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1. BRANDS OF PROJECTOR
Brands are very important. The projectors of good brands are naturally good, and the quality assurance services are also very good.
2. THROW RATIO AND RESOLUTION OF PROJECTOR
This depends on the size of the room where you plan to place the projector. The throw ratio refers to the ratio between the distance from the projector to the projection screen and the size of the screen you want to project. This data is different for different projectors. It is recommended to determine how large the screen size you want to have, and then select the projector that can meet your requirements according to the distance of your room.
In terms of resolution, if you just watch movies and play on Xbox, the 1080P resolution is basically enough. 720P resolution projectors are not recommended here, because the resolution is a little tight at a large screen size. In addition, if you are pursuing a high-quality picture, you can use 4K projection, which is effective.
3. LUMEN AND CONTRAST OF PROJECTOR
Lumen can be understood as brightness here, and home projectors sometimes do not require high brightness. This is based on personal actual conditions. If you just turn off the lights and watch a movie at night, the lumen is only normal. But if you want to use the projection during the day or even with the lights on, it is recommended to choose a projection with a larger lumen, such as a 3500 lumens projector.
Of course, in terms of the contrast, the higher is the better. The colors will be more vivid under high contrast, and the details will be displayed more clearly.
4. NOISE AND OTHERS
I personally feel that the amount of noise is also very important here. During projection use, heat is generated, which requires a fan to dissipate heat. But if the fan's sound is too loud and affects the overall viewing experience, it is really very frustrated. Before buying, please pay attention to whether there is any obvious noise level mark on the projector, or judge based on the comments of the purchaser.
5. THE DARKER THE ENVIRONMENT, THE BETTER THE VIEWING EFFECT
The projection brightness is limited. So when you watch it in daylight or under strong light, no matter how high the lumens or contrast is, the effect will not be as good as TV. So, the first thing to determine is the time you want to watch the video. It would be great if it was night. But if you are free during the day and want to watch movies, you must first pay attention to whether you can create a good projection environment for you to watch.
6. THE PROJECTION SCREEN IS VERY IMPORTANT
Please consider getting a good screen before getting your projector. Compared with the wall, the curtain really brings very different effects. Another thing to consider is that the screen will take up a certain amount of space. If you need to hang the screen to the roof and need some hands-on installation, you should consider these factors in advance. If it is a bracket type screen, consider whether there is enough space for the screen in the home. And then you can choose a projector for big screen or other kinds of screen.
7. AUDIO OUTPUT OF PROJECTOR
Some projectors have speaker equipment, but they are all very basic, and there is no sound quality at all. Some more expensive projectors still have good speaker effects. Speakers are inevitable for higher quality video and audio, so you need to consider these issues when buying.
8. PRICE OF PROJECTOR
In fact, the price of a good projector on the market is really not as high as expected. Compared with TV, there are sometimes advantages. But the price consideration must not just stop at the single price of the projector. You also need to consider the prices of cables, audio equipment, curtains, etc. that you need later. Budget is very important.
There are actually many projectors that can be recommended. The key of this article is to help you understand what you should pay attention to when choosing a projector. How to choose a suitable projector according to your budget and actual situation is the most important.
iCODIS projector will be a best choice!

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There should be only one reason to buy a projector, and that is the immersive feeling that a huge screen can bring. Whether you use a projector to watch a movie or play a game, this feeling is something that TV can't provide.
Through simple settings, with a mini home theater projector, you can create a visual experience at home that is almost the same as in a movie theater. Watching a movie on a projector in a private space with yourself, or with your lover and friends is more relaxing and more pleasant than in a movie theater.
1. TYPES OF iCODIS HOME PROJECTOR
The most common mini home projector on the market illuminate the original image with a light source, and then project it on the wall or screen through the lens. Among them, the more traditional light source uses a halogen lamp or a mercury lamp as the light source for projection, which is somewhat similar to the halogen lamp on a car.
Although the lamp has a service life, the current general projector has reached a service life of 4000 hours or more. So the projector can serve you for a few years. In addition, because the lamp needs a certain amount of warm-up and waiting to reach a certain brightness, it takes a while to start the projection playback when the projection is turned on and off. I believe that all the friends who have used projection to give PPT presentations in class have experience.
In addition to traditional lamp projections, projectors that use LEDs or lasers as light sources have begun commercial use. Long service life, accurate color, and high contrast are their advantages.
2. THE WORKING PRINCIPLE OF LASER PROJECTOR
The reflection of RGB (Red, Green, Blue) three-color lasers is projected on the screen through the lens to achieve the effect of displaying the picture. However, many manufacturers currently use two blue colors in the production of such projectors, and use the lens to subdivide one of the blue colors into red and green.
All the above is not the point. In fact, the point is why you should buy a projector. The characteristics of TV are long life, and clear picture quality, and brightness is not affected by external brightness. It is also very simple to buy a projector. This is like why you go to a movie theater. The projection can easily display 100-inch, 120-inch, and even higher screen sizes. Regardless of the price of an 80-inch TV, it is a headache just to think about how to take it home.

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Today we have more and more office tools. In addition to computers and printers, there are also some auxiliary tools emerging in endlessly.
The high-speed photographic apparatus is a new technology and high-tech product. Many people may know the rich and powerful functions of high-speed photographic apparatus (also known as high speed camera scanner), but some friends may not be very familiar with its use method. At present, due to the changes in teaching exchanges and school teaching methods in the market, the use of high-speed photographic apparatus is becoming more and more frequent. It has a folding ultra-convenient design, can complete one-second high-speed scanning, and has OCR text recognition. The scanned picture can be recognized and converted into an editable word document. It can also perform operations such as photographing, video recording, copying, network paperless faxing, making e-books, and cutting edges. Its perfect solution makes office easier, faster and more environmentally friendly.
LET'S TAKE A LOOK AT HOW iCODIS HIGH-SPEED PHOTOGRAPHIC APPARATUS IS CONNECTED TO THE COMPUTER
The high-speed photographic apparatus is connected to a computer by a universal serial bus port (USB). There is a USB data cable in the accessories. Turn on the computer, connect one end of the USB cable to the high-speed photographic apparatus, and connect the other end to the USB port of the computer. After the connection is completed, the system will automatically find the new hardware device. Note: Please make sure that the USB interface of the computer can be used normally and it is a USB2.0 interface, otherwise the device may not be used normally.
WHAT SHOULD I DO IF THE SOFTWARE CANNOT BE OPENED?
Solutions:
① Check whether the hardware is a matching high speed scanner.
② Check if both ends of the USB cable are connected properly.
③ Open "Start Menu" and find "All Programs" and open it, then find and open "High-speed photographic apparatus", then find and open "Video Recorder" to check whether the image is displayed normally. (Note: Please make sure that only one video device is connected to the computer at this time.)
④ Right-click "My Computer", select "Manage" in the pop-up menu, select "Device Manager" in "Management" and open it, and then select "Image Processing Device". There are no other symbols on the device name. If it is not, it is recommended to deal with the driver installation problem or reinstall the driver.
HOW TO GENERATE PDF FILES?
Convert one or several pictures into corresponding PDF documents
(1) Select "Convert selected files" in the option of selecting image files to be converted, and click the button to select the images to be converted. (Note: Do not select "Auto Clear" when converting multiple pictures.)
(2) In the conversion result, select "Each image is converted into a PDF file and store it in a folder:", and click the button to select the folder where the PDF file is stored.
(3) Select "Start Conversion".
Convert a few pictures into a PDF document
(1) Select "Convert selected files" in the option of selecting image files to be converted, and click the button to select the images to be converted. (Note: Do not select "Auto Clear" when converting multiple pictures.)
(2) Select "Save all to a PDF file:" in the conversion result, and click the button to set the PDF file name and save path.
(3) Select "Start Conversion".
Convert all files in a folder into a PDF document
(1). Select "Convert files in selected folder" in the option of selecting image files to be converted, and click the button to select the folder to be converted.
(2). Select "Save all to a PDF file:" in the conversion result, and click the button to reset the PDF file name and save path.
(3). Select "Start to Convert".

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The high-speed photographic apparatus is a new equipment in office, education and other fields. Many people say that the high-speed photographic apparatus is actually used to scan documents, and some people say that it is actually an upgraded version of the scanner. Anyway, there are various statements. Today, iCODIS is here to tell you what a high-speed photographic apparatus is, and the difference between a high-speed photographic apparatus and a scanner.
What is a high-speed photographic apparatus?
The high-speed photographic apparatus can be used in a wide range of fields, and its functions are much more powerful than ordinary scanners. For example, in the office field, it can be used to scan, as a OCR document scanner, perform OCR text recognition, convert paper documents into electronic versions of Word and other format documents, and shoot videos. In the field of education, it can be used to scan books to achieve the purpose of scanning without disassembling and binding, and it can also realize electronic test papers, electronic management of student information files and so on. In the financial field, it can be used for image capture, electronic ticketing, image archiving, video and audio recording. It can also be applied in the government, enterprises, institutions, communications industry and other fields.
What is the difference between a high-speed photographic apparatus and a scanner?
First, the appearance of a high-speed photographic apparatus is different from that of a scanner. Viewed from the outside of the high-speed photographic apparatus, it is portable, which does not occupy too much space in daily work, and it is very convenient and simple to use. On the contrary, everyone knows that scanners take up more space and are inconvenient to carry and use.
In terms of price, high-speed photographic apparatus is cheaper than a scanner. The price of high-speed photographic apparatus generally ranges from a few hundred to several thousand, whose different prices have different pixels and functions. However, the price of a slightly better scanner is already tens of thousands.
Second, the high speed camera scanner has rich functions. It can meet different office needs in different fields, but the function of the scanner is relatively single. Next, iCODIS high-speed photographic apparatus will specifically explain the specific functional differences between the scanner and the high-speed photographic apparatus.
(1) The high-speed photographic apparatus has a fast scanning speed. It can basically complete the scanning in 1 second, while the scanning time of the scanner is relatively long.
The high-speed photographic apparatus can realize OCR text recognition for scanning documents, and convert paper documents into electronic documents, which could edit word format, PDF format and various image formats. The format that the scanner can convert is relatively simple and usually can only be converted into a picture format.
(3) The high-speed photographic apparatus can scan three-dimensional objects and books. For example, it can scan books without disassembling and binding, and it can also scan physical objects such as coffee cups and staplers. But the scanner can only scan paper documents.
(4) The high-speed camera scanner can realize video and audio recording, and is widely used in education and finance. Usually, the scanner can only scan.
(5) The high-speed photographic apparatus can have the functions of biological intelligent recognition, face comparison, recognition of certificates and cards, and is widely used in government offices, banks, insurance and other industries.
Of course, the high-speed photographic apparatus has lots of other functions, I will not introduce them one by one. Speaking of this, many people may also have questions: Since the high-speed photographic apparatus is so good, why are so many people using scanners? In fact, the scanner also has an advantage, that is, the imaging effect of the scanner is clearer than that of the high-speed photographic apparatus.
Summary
The high-speed photographic apparatus and scanner each has its own advantages. In general, the high-speed photographic apparatus has more functions, more application contexts, and much cheaper price. The function of the scanner is relatively single but the image quality is relatively clear. But with the complexity and diversity of office applications in the future, the prospects of high-speed photographic apparatus will be much better than that of scanners.

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The high-speed photographic apparatus is a portable high-efficiency digital image capture device. It is a low-carbon, energy-saving and environmentally friendly office equipment. It completely changes the design concept of traditional scanners. It converts media such as paper documents into digital signals through the camera to quickly take pictures, input them to peripheral devices such as computers, and save them in various image formats and text formats. It is convenient for users to manage information.
The hardware of the high-speed photographic apparatus (also known as high speed portable hd doc scanner) adopts a folding ultra-convenient design. The document table is divided into soft rubber positioning pad and hard document table. It is more accurate in document positioning, product placement is more stable, and adapts to industry office needs.
The high-speed photographic apparatus can complete 1 second/frame high-speed scanning. Through the software that comes with the high-speed photographic apparatus, functions such as document management, OCR text recognition, physical display, and video recording can be realized.
The main functions of the high-speed photographic apparatus are high-speed scanning (1 second/sheet), physical display, video recording, document management, OCR recognition, etc.
FEATURES OF iCODIS HIGH-SPEED PHOTOGRAPHIC APPARATUS:
Shooting mode: It has three modes: color, grayscale and black and white;
Image merging: It supports the free merging of certificates and files, and the merging method is upper and lower merge or left and right merge;
Intelligent direction detection: When inserting documents, bills, pictures and other materials, it has the function of intelligent direction detection. It does not require manual rotation, and instantly previews the correct document orientation in real time, which is convenient for users to scan;
Intelligent edge finding: It supports automatic righting, automatic edge trimming without bottom, automatic edge finding function (it refers to the ability to find the edge of multiple documents, bills and multiple areas, and trim the edges to output at the same time when taking pictures), automatic correction function. For manuscripts placed at any angle, it can automatically recognize the black edges of the text, and the image will be corrected after shooting; it also does not need to trim the edges, and you can customize the scan area size with the mouse;
Storage settings: It has three storage settings (fixed prefix, time naming, free naming);
Image background color removal: it can achieve document shadow removal, background color removal and document deformation processing;
Image rotation function: it supports 360-degree dynamic and free rotation of screen images;
Picture format: It supports color / black and white / grayscale, and it supports JPG, TIF, PNG, BMP, PDF and other formats; it can shoot black and white binary JPG format; it can generate PDF or TIFF with one click; it can generate multiple pages in PDF or TIFF format; when manually shooting multiple pages of TIF or PDF, it can add or delete documents, and support document order adjustment;
Intelligent continuous scanning: It supports intelligent batch continuous scanning of documents, just like a book and document scanner, automatically detects scanned documents and scanning direction, and supports automatic scanning of paper changes;
Add watermark: The picture supports adding watermark, and you can customize the watermark, date and display position settings;
Barcode recognition: It supports barcode, one-dimensional code, and two-dimensional code recognition functions;
Certificate recognition: Through OCR recognition core and template configuration, the certificate can be accurately recognized and exported to file formats such as EXECL;
Text recognition: The professional OCR recognition software can realize table text recognition with a recognition rate of over 98%;
Support system: It can be applied to multiple operating systems such as WIN2000/XP/NT/WINCE/WIN7/WIN8/WIN10;
SDK development: it provides SDK secondary development kit, supports C#/C++/DELPHI/VB/VC/JAVA and other programming language development methods, realizes seamless docking with system platform.

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FEATURES OF iCODIS HIGH-SPEED PHOTOGRAPHIC APPARATUS
It is energy-saving, environmentally friendly, diverse in appearance, small in size, easy to carry, and especially suitable for mobile office; it is only 1/10 of the ordinary scanner in size.
It can scan documents within A3 to the computer in one second, which greatly improves office efficiency and reduces office hours.
It can be used for physical display and record audio DV images.
The photographed document can be directly printed 1:1, replacing the photocopier.
It can perform OCR recognition on the pictures taken, convert the pictures into WORD editable documents, and automatically typeset.
It incorporates paperless fax technology; even if there is no fax machine, it can still send faxes, which significantly improves fax efficiency.
It can directly E-Mail books, magazines, contracts and other documents, saving time and effort.
It is convenient to carry; undoubtedly, the foldable high-speed photographic apparatus can be carried around.
FUNCTIONS OF HIGH-SPEED PHOTOGRAPHIC APPARATUS
Document scanning
The transmission speed of the high speed scanner adopting the USB2.0 interface can reach 480Mbps; the transmission speed of the high-speed photographic apparatus adopting the USB3.0 interface can reach 5Gb/s. 200\300\500\1000\1400\16 million pixel sensor is equipped with 300\500\800\1000\1400\16 million high-definition lens to provide high-quality scanning. Its maximum scan size can reach A3 format. Whether it is color books, bills, ID cards, or manuscript files, you can easily obtain JPG or set format files and save them on your computer.
Make an e-book
By shooting the book, it is automatically organized into an e-book in PDF file format. It is stored in hard disk for easy storage and transmission.
Physical shooting
By folding the product, it is convenient to shoot physical objects, including people and objects and save their data. At the same time, continuous shooting can be performed, and the time interval can be set by yourself.
Video recording
The high-speed photographic apparatus provides real-time DV recording function. The operation is simple, the recording quality is high, and the recording time can be set according to the size of the hard disk.
HD million video camera
In online video, it provides smooth high-definition pictures just like a high speed camera scanner.
Make a signature
With a high-speed photographic apparatus, you can make your own handwritten signature and extract the name. In future electronic documents, you only need to paste the name on the document to realize direct autograph, fax and document printing.
Physical projector
The high-speed photographic apparatus has a movable structure, which can take pictures of any object in the space, and finally display it on the computer screen, which can be directly projected on the screen with a projector.
Copy fax mail
Image files such as paper documents and objects can be quickly obtained, and can be printed in real time by a black-and-white or color printer, or sent directly by network fax.

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What are the functions of the high-speed photographic apparatus?
In fact, the current high-speed photographic apparatus has many functions. (iCODIS is here to give some more commonly used examples. It is not that the high-speed photographic apparatus only has these functions.) It has shooting functions, multiple resolutions, multiple shooting formats, and multiple modes of choice; it has powerful intelligent continuous shooting and manual continuous shooting functions to improve efficiency and reduce workload.
It has a professional OCR function what the high speed ocr scanner has, which can realize full text recognition, and it can also recognize part of the content in the frame selection area.
It has a perfect image uniting function, which can unite collected manuscripts into multi-page PDF and multi-page TIFF.
It has a multi-image splitting function, placing multiple pictures in the collection area, and it can realize intelligent collection and separate storage.
It has a powerful intelligent trimming correction function to ensure the perfect output of the image. It has comprehensive image management and editing functions, integrating image acquisition, management, and editing.
It has the function of automatically adjusting the direction of the text, which can automatically rotate the direction of the text to determine the content of the original
It has a powerful watermark function; users can customize the watermark content, time and display location; it can meet the needs of special users.
It has a powerful signature function; users can embed stamps, logos, and signatures by themselves to prevent counterfeiting and tampering of image data.
The quality of the image output can be set freely, and users can set the quality of the captured image according to their needs.
It has a professional bar code/two-dimensional code recognition function; users can identify the bar code/two-dimensional code information through the collected bar code/two-dimensional code image, which is convenient for extraction and archiving.
WHERE IS THE HIGH-SPEED PHOTOGRAPHIC APPARATUS USED?
Generally speaking, as far as the main users of high-speed photographic apparatus are concerned, they are divided into individuals, enterprises, and government departments.
Personal use is to use high-speed photographic apparatus to take photos and synthesize into an electronic album; or to scan and synthesize a physical book into an e-book, which is convenient for viewing by mobile phones and other devices.
For the use of enterprises and institutions, iCODIS will give a few examples:
The Social Security Center: Through digital processing, important written materials, business vouchers and certificates can be stored in a long-term and safe manner; it helps to quickly and conveniently query and browse scanned data and improve work efficiency.
Public Security Organs: the input speed of high speed camera scanner is fast and accurate. File information is shared via local area network or wide area network. It reduces the cost of storage and management, and avoids the risk of loss or damage to the original file.
After reading this article, have you already understood what the functions of high-speed photographic apparatus are? Technology changes the office. A more efficient, green, and environmentally friendly office model can
make your work more efficient!
You may also like:
easy book scanner
smart book scanner

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The following lists some possible failures and solutions during use. Hope to help you solve some common problems. You can also consult our online customer service.
The high-speed photographic apparatus software cannot be installed normally or an error occurs when installing the software.
It is recommended to choose a disk other than the C disk for the installation path.
Exit the antivirus software temporarily before installing the software.
Go to the iCODIS official website to download the latest software or contact the after-sales staff to upload the latest software in electronic version.
The LED light does not light up
Check whether the USB cable is plugged in and plug it in again.
Change the computer U port.
There is no image when the software camera interface is opened (white screen)
The USB cable is loose or not plugged in properly. Reconnect both ends of the USB cable. For a desktop computer, plug it into the back of the computer's host (the front port has insufficient power supply).
If the software is not installed, reinstall the software.
Check whether other imaging devices such as scanners, all-in-ones, cameras are connected (these devices sometimes affect the imaging of the high speed camera scanner, and try to disconnect other imaging devices.
It may also be a computer problem. That requires repairing the computer or changing the computer.
The software camera interface opens without image (black screen)
The camera lever is not open.
The USB cable is loose or not plugged in properly. Reconnect both ends of the USB cable. For a desktop computer, plug it into the back of the computer's host (the front port has insufficient power supply).
Reinstall the high-speed photographic apparatus software.
It may also be a computer problem. That requires repairing the computer or changing the computer.
The preview picture is not clear
The preview picture is not the finished picture, but the picture taken is the actual effect. There will be a clear picture in the save location of files.
The picture taken is not clear and fuzzy
Adjust the shooting resolution to the maximum.
Adjust the image quality to maximum.
Adjust the exposure and brightness as required.
Turn on the fill light and adjust the brightness of the fill light.
The picture taken is dark
The ambient light is dark, so take pictures in a well-lit place.
Adjust the brightness.
Turn on the fill light and adjust the brightness of the fill light.
How to convert the captured text pictures into Word documents and text
Install the high-speed photographic apparatus software, open the "OCR recognized document" button in the main interface homepage menu, and select the image to be recognized to perform the recognition operation. Open the main interface image editing menu to find the "OCR recognition to text", select the image to be recognized, and then recognize the image.
OCR recognizes garbled characters and low recognition rate
The manuscript must be a text (Chinese, English, digital) document, and forms and images cannot be recognized. Forms and images can be recognized by professional OCR recognition software.
Confirm that the original font is clear.
When text is recognized, the font on the image must be positive.
Preview image is jerky and flickers
The USB cable is loose or not plugged in properly. Reconnect both ends of the USB cable. For a desktop computer, plug it into the back of the computer's host (the front port has insufficient power supply).
It may also be a computer problem. That requires repairing the computer or changing the computer.
Change the USB cable if there is an error in the cable.
The captured image cannot be printed at 1:1 ratio
Install the office version of high-speed photographic apparatus software, select "1:1 printing" in the print settings, and select "copy".
You may also like:
high speed book scanner
high speed portable hd doc scanner

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In the past, many office workers, companies and government officials asked: "are there any equipment that can improve office efficiency? Are there equipment that can achieve a low-carbon and environmentally friendly office paperless office?" In the current society, there will definitely be a corresponding solution when there is a demand. I believe everyone now knows that this solution is a high-speed photographic apparatus!
The high-speed photographic apparatus, also known as high speed camera scanner, is a newly developed ultra-portable low-carbon office appliance and an innovative product in the office field. The ultra-convenient design of the foldable high-speed photographic apparatus can complete high-speed scanning in one second. It has a 500/100/16 million-pixel camera with OCR text recognition function, which can recognize and convert scanned images into editable word documents. It can also take pictures, video, copy, network paperless fax, make e-books, and cut edges and straighten. Its perfect solution makes office easier, faster, and more environmentally friendly (iCODIS believes that as long as people who have used it can prove that the above is true). So what exactly is a high-speed photographic apparatus? What's it for? Please listen to me carefully.
1. WHAT IS A HIGH-SPEED PHOTOGRAPHIC APPARATUS?
In our work and life, traditional scanners take more than 10 seconds to scan a document. And when inputting a large number of documents and relatively worn paper, ordinary scanners are useless. Because it is slow and the worn-out paper cannot automatically feed, so there is a way to take a document with a digital camera and upload it to a computer. In view of this concept, the high-speed photographic apparatus was born. It is a scanner that can use this principle to directly shoot document documents and real objects at high speed and save them directly in the computer to ensure good clarity, rich colors and no distortion.
2. WHAT ARE THE BENEFITS OF HIGH-SPEED PHOTOGRAPHIC APPARATUS?
The staff can focus on their work without wasting the large amount of time in waiting for scanning and manual operation that traditional scanners consume. Because the current high-speed photographic apparatus all have the function of 1 second high-speed scanning, it greatly improves the work efficiency.
More efficient work process speed translates into faster response time to business opportunities, while speeding up the work process cycle and eliminating the time delay between the steps of the work process.
The high speed camera scanner strengthens the ability to control documents, realizes the digitization of documents, reduces the risk of document loss or damage, and supports multi-party sharing of documents. This is based on the concept of paperless office, low carbon and environmental protection!
The high-speed photographic apparatus can also save the space occupied by paper documents, thereby reducing or eliminating the space occupied by storage equipment and cabinets, microfilm.
Finally, the high-speed photographic apparatus is easy to carry, which solves the inconvenience sometimes when going out. Most high-speed photographic apparatuses have a folding function.

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Although the projector is good, a complex set of parameters prevents most people from making passionate choices.
Is the picture projected by the projector clear? Do you need to draw curtains during the day? Does watching the projection ruin your eyes in the dark? ...These questions from novices are concise, sincere, and sharp.
① Is the quality of the projector good?
The resolution of the projector determines whether you can see a mosaic with a touching texture or a blockbuster with clear pores. The resolution is mainly divided into three categories, the order of which is 4K>1080P>720P. The clearer the display, the higher the price. When watching movies at home, 1080P projectors is basic. With the same configuration, anyone who is willing to improve in technology and hardware will win at the starting line.
② Can I use a projector if my home space is small?
If the room is small and you want to project a pleasing large screen, it is recommended to choose a mini home projector with a smaller projection ratio. For example, a projection ratio of 1.2:1 means that when the distance between the projector and the wall is 1.2 meters, a 1 meter long picture can be displayed on the white wall.
③ Do I have to turn off the light when using the projector?
ANSI lumens is a common unit of projector brightness and a relatively standard unit. This parameter determines whether you can see the projection clearly during the day and whether the picture is dazzling when you watch the projection at night. Commonly used projectors are generally between 500-2000 ANSI lumens. If the brightness is too low, it is equivalent to look at the light and shadow on the white wall, which is comparable to watching a white cat in the snow. If the brightness is too high, the eyes will be tired after watching for a long time.
The low-brightness projection allows you to watch blockbusters in the bedroom at night; the high-brightness projection can also be used in the bright living room during the day. But the brightness is too high, and the eyes will be tired after watching for a long time. Of course, the overall visual effect of projection cannot be based on brightness. High brightness does not mean good picture quality. Good visual effects also depend on picture quality technology.
④ Will it ruin your eyes if you look too much?
Young people may just ask casually, but moms are really worried. The principle of the projector is that the light does not directly enter the eyes, but is projected on the wall to be seen by the human eye. This is more eye-catching than devices such as TVs, computers, and mobile phones that directly hit the human eye.
⑤ Is the running noise annoying?
In your childhood, at the instant the door lock sounded, you turned off the TV at the speed of a sprint of 100 meters. But it was always caught because of the heat that the fuselage could not dissipate. At that time, your dream was to let all the machines under the world cool down in real time.
If you buy a projector with poor heat dissipation, not only is the shadow of childhood heat dissipation again, its noise is also comparable to a helicopter that is about to break out of the machine. The most sensible way is to choose a brand with quality assurance.
After the popularization of science, there is only one last problem to buy a projector: money. Young renters with small budgets and limited space may consider a projector with a high cost performance. People who are more mature and pursue higher quality can choose to a high resolution mini projector with high configuration.
More and more young people do not have TVs in the living room, and a new era of entertainment has really arrived. More and more young people are looking for happiness on the projector. If you still have a TV at home, you are 99% likely to live with your elders, and your proficiency in operating a TV box is not as good as your grandma. But with a little pointer, your grandma may be more proficient at playing projectors.
iCODIS projector will be a good choice!
