projecticodis

Commercial projectors are usually connected with VGA interface, HDMI interface and U disk interface of computers to present PPT, PDF graphic content, excel table content or high-resolution picture content in large format.

Resolution of commercial projectors: The mainstream resolutions of commercial projectors in the market are SVGA(800*600), XGA(1024*768), SXGA(1280*1024), and Full HD(1920*1080) level. Many people think that the higher the resolution is, the better it will be, but what needs to be explained is that the resolution is generally selected in combination with input equipment computers. Business office users prefer to use notebook computers for office work, while the resolution of mainstream notebook computers is usually not up to the full HD level. Therefore, consideration must be taken in the selection of projectors, otherwise, not only the expected projection effect cannot be achieved, but also the idle and waste of funds and resources will be caused.

Brightness of business projectors: The light of the venue is generally not ideal when conducting business office working and meeting, especially the indoor environment which is too bright. It is well known that the stronger the ambient light, the darker the brightness of the image perceived by human eyes. Therefore, the strong interference of external light requires the brightness of the projector to make up for, so as to obtain a clear and brilliant picture effect. 3000-3500 lumens is a mainstream bright spot interval with both sides.

Business projector color: Color expression is very important for an output display terminal, and the advantages and disadvantages of business projector color lie in technology implantation and optimization. Projector technology on the market is mainly DLP, LCD (single chip) and 3DLCD (red, green and blue chips, altogether three). DLP projection is stronger than the latter not only in color, but also in brightness, contrast and service life, so DLP projector is more suitable for commercial use.

The development status of commercial projectors: The above-mentioned parameter nouns are in fact the basic guarantee for commercial use and the innovation of the needs of commercial users, which also puts forward higher research and development requirements for brands, and the status is being realized one by one as people expect. In view of the business projection market, the elites are sparing no effort to meet the needs of users.

Business projectors should change from time to time: Just like the emerging new demand points in the business projection market, the development of business projectors requires brands to go deep into the market to discover and dig, and then satisfy through the implantation and optimization of new technologies. These hot words such as wireless, Internet of Things, green and health and so on are pursued by users, which also reflects the development trend of commercial projection in the future. Although these keywords have been reflected in the business projection market, most products have not brought good experience to users.

Main uses of business projectors: Many service and sales companies are equipped with business projector, which is mainly used to hold small meetings, train employees, show and explain products to customers.

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The performance index of projector is a standard to distinguish the grade of projector, mainly including the following indexes:

Light output: It refers to the light energy output by the projector in "lumens" (lm). A physical quantity related to light output is brightness, which refers to the ratio of the light energy emitted by the surface of the screen irradiated by light to the screen area. The commonly used unit of brightness is "Lux" (lx, 1lx=1lm/m2). When the light output by the projector passes through a certain amount, the larger the projection area is, the lower the brightness is, if not, the higher the brightness is. The factors that determine the projector's light output include projection and screen area, performance and lens performance. Usually, if the screen area is large, the light output will be large, too. The projector lens with the liquid coupling lens has good performance, and the light output of the projector can be correspondingly improved.

Horizontal scanning frequency: The movement of electrons from left to right on the screen is called horizontal scanning, also called line scanning. The scanning times per second are called horizontal scanning frequency. The horizontal scanning frequency of the video projector is fixed, which is 15.625KHz(PAL system) or 15.725KHz(NTSC system) data and the scanning frequency of the graphic projector are not different frequency bands. In this frequency band, the projector can automatically track the line frequency of the input signal, and the phase-locked circuit realizes complete synchronization with the line frequency of the input signal. Horizontal scanning frequency is an important projector index to distinguish projector grades. Projectors with frequencies ranging from 15kHz-60kHz are usually called data projectors. Those whose upper frequency exceeds 60kHz are usually called graphic projectors.

Vertical scanning frequency: The electron beam moves from top to bottom while scanning horizontally. This process is called vertical scanning. Every time an image is scanned, the number of scans per second is called the vertical scanning frequency, and the vertical scanning frequency is also called the refresh frequency, which indicates the times this image is refreshed per second. The vertical scanning frequency is generally not lower than 50Hz, otherwise the image will have flicker.

Video Bandwidth: The total bandwidth of the video channel of the projector, which is defined as the upper limit frequency of the corresponding signal when the amplitude of the video signal drops to 0.707 times. The corresponding increment of 0.707 times is -3db, so it is also called -3db bandwidth.

Resolution: The resolution includes addressable resolution, RGB resolution and video resolution.

1.For projectors, addressable resolution refers to the highest resolution pixel of the projection tube, which is mainly determined by the focusing performance of the projection tube and is an important parameter of the quality index of the projection tube. Addressable resolution should be higher than RGB resolution.

2.RGB resolution refers to the highest pixel that the projector can reach when receiving RGB resolution video signals. For example, the resolution is 1024×768, which means the horizontal resolution is 1024 and the vertical resolution is 768,RGB resolution is related to horizontal scanning frequency, vertical scanning frequency and video bandwidth.

3.Video resolution refers to the highest resolution when the projector displays composite video. Here, it is necessary to analyze the relationship between video band, horizontal scanning frequency, vertical scanning frequency and RGB resolution: First, realize the relationship between horizontal scanning frequency and vertical scanning frequency.

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The scanner is a device that uses photoelectric technology and digital processing technology to convert graphics or image information into digital signals by scanning.

Scanners are usually used for external computer equipment. By capturing images and converting them into digital input devices that computers can display, edit, store, and output. The scanner can be used to scan photos, text pages, drawings, art pictures, photographic negatives, photographic films, and even three-dimensional objects such as textiles, sign panels, printed board samples to extract and convert original lines, graphics, text, photos, and planar objects into devices that can be edited and added to files. The scanner belongs to the input system of computer-aided design (CAD). Through computer software and computer, the interface of output equipment (laser printer, laser plotter) forms the computer processing system before screen printing. It is suitable for office automation (OA) and is widely used in sign panel, printed board, printing industry, etc.

Scanners can be divided into three types: drum scanners, flat scanners, and emerging scanners, including pen scanner,portable scanner, and paper-feed scanner, which are only available in recent years.

Pen scanner appeared in around 2000, and its scanning width was only about the size of the 4th Chinese character. When it was used, it was used to scan line by line on paper and was mainly used for character recognition.

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Supporting software

The functions of the scanner should be realized by corresponding software. Except for the driver and scanning operation interface, almost every scanner will give away some image editing software, OCR text recognition software and others at random. Different scanning software varies in performance and operation method. For users who are not familiar with graphic processing, it is recommended to choose a scanner with simple operation and convenient use.

Interface

Interface refers to the connection mode between scanner and computer. Common interfaces include SCSI interface, EPP interface and USB interface.

SCSI interface scanner is connected to computer through SCSI interface card, and data transmission speed is fast. The disadvantage is that the installation is complicated, requiring an expansion slot and limited computer resources (interrupt number and address). If you scan a large number of drawing files frequently, you should choose SISC interface scanner, which can save a lot of time.

The EPP interface (printer parallel port), easy to install, can be connected to scanner, printer and computer by cable. It can connect notebook computer. However, its data transmission speed is slightly slower than SCSI interface scanner. For users with low requirement for scanning speed, small scanning volume and infrequent use of scanner, it is recommended to purchase EPP interface scanner.

USB interface scanner is fast and supports plug and play. It is very convenient to connect with your computer, but it requires your computer support USB interface. If it is affordable for you, this one is recommended.

The working principle of scanner is as follows: Every kind of object in nature will absorb specific light waves, and the light waves that have not been absorbed will be reflected. The scanner uses the above principle to read the manuscript. When the scanner works, the strong light shines on the manuscript, and the unabsorbed light will be reflected to the optical sensor. After receiving these signals, the light sensor transmits these signals to an analog-to-digital (A/D) converter, which converts them into signals that can be read by a computer, and then converts them into correct images that can be seen on a display through a driver program. Manuscripts to be scanned can usually be divided into reflection and transmission. The former refers to general opaque documents such as newspapers and magazines, while the latter includes slides (positive) or exposures (negative). If it is often necessary to scan transmitted documents, a best document scanner with a mask (light plate) function must be selected.

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Classification by application environment

1.Home cinema projector: It is characterized by brightness of about 2,000 lumens (with the development of projection, the number is constantly increasing and the contrast ratio is relatively high). The projected screen width-to-height ratio is mostly 16: 9. All kinds of video ports are complete, suitable for playing movies and high-definition TV, and designed for home users.

2.Business portable projector: Projectors weighing less than 2kg are generally defined as business portable projectors, which are as heavy as light notebook computers. It has the advantages of small size, light weight and strong mobility. They are substitutes for traditional slide projectors, large and medium-sized projectors. The combination of light notebook computers and business portable projectors is the first choice for business users when performing business presentations.

3.Educational conference projector: It is generally used in schools and enterprises, with the mainstream resolution, the brightness of about 2000-3000 lumens, moderate weight, good heat dissipation, and dust prevention, suitable for installation and short-distance movement, rich functional interfaces, easy maintenance, relatively high performance-price ratio, and suitable for mass purchase and popularization.

4.Mainstream engineering projectors: Compared with mainstream common projectors, engineering projectors have larger projection area, longer distance, and higher brightness, and generally support multi-bulb mode, which can better cope with large and changeable installation environment and is applicable to education, media, government, and other fields.

5.Professional projector: This kind of projector pays more attention to stability, emphasizes low failure rate, and does a good job in projector aspects such as heat dissipation, network function, and ease of use. Of course, in order to adapt to various professional applications, the most important feature of the shadow meter is its high brightness, which can generally reach more than 5000 lumens, and the highest can exceed 10000 lumens. Due to its large size and heavyweight, it is usually used for special purposes, such as theaters, museums, city halls, public areas, as well as monitoring traffic, public security command centers, firefighting, and air traffic control centers, etc.

Measuring projector: This type of projector is different from the above types. It was called the contour projector in the early days. With the popularity of a grating ruler, projectors are equipped with a high-precision grating ruler. People also call it measuring projector (or projector, such as CPJ-3015 produced by Gaocheng Company, a famous measuring projector in China). To distinguish it from traditional projectors, this type of projector is called a measuring projector. Its main function is to form an enlarged projector through the transmission of light, and then use standard film or grating ruler to determine the size of the product. Due to the development of industrialization, this measuring projector has become one of the most commonly used testing instrument

Classification of Projectors Application

ts in the manufacturing industry. Regular projection can be divided into the vertical projector and horizontal projector. According to the comparison standard, it is divided into contour projector and digital projector.

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High-speed camera is a hot office product in recent years. It not only can be used for photographing, video recording, photocopying and faxing, but also has a smaller size, convenient to carry and more perfect in function compared with traditional scanners. It can be said to be a perfect solution to make office easier, faster and environmentally friendly. Which brand of high-speed camera is good? How is it used? Follow iCODIS to uncover the mysterious veil of the high-speed camera.

What is a high-speed camera

The high-speed camera is a newly developed super-portable low-carbon office product and an innovative product in the office field. With an extraordinarily convenient folding design and OCR text recognition function, it can complete high-speed scanning in one second and convert scanned pictures into editable word documents. It can also take photos, record videos, copy, fax without paper on the internet, make electronic books, trim edges and straighten up. Its perfect solution makes office easier, faster and more environmentally friendly.

The use of a high-speed camera

Document scanning: The high-speed camera uses USB2.0 interface, and its transmission speed can reach 480Mbps. The 2003005m pixel sensor is equipped with 3005008m high-definition lens, which provides high-quality scanning. Its maximum scanning size can reach A3 format. Whether it is a color book, a bill ID card or a manuscript file and the like, its JPG or a set format file can be easily stored in computer.

E-books making: It can automatically organize an e-book into PDF file format by shooting the pages of books, and store it on hard disk for easy storage and transmission.

Physical photography: By folding the product, it is convenient to photograph the physical objects, including the photographer, physical objects, etc. and save the data. At the same time, continuous shooting is accessible, with the time interval set by itself.

Video recording: The high-speed camera provides real-time DV recording function, with simple operation and high recording quality. The recording time can be set according to the size of the hard disk.

High definition million video capture: It can provide smooth high definition images in QQ video or online video.

Signature making: After owning a high-definition camera, 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 handwritten signature, fax and document printing.

Physical projector: The high-speed camera has a movable structure, which can shoot any object in space and finally display it on the computer screen. It can be directly projected onto the curtain with the projector.

Fax mail copying: It can quickly obtain paper documents, objects and other image documents, and can be printed in real time by a black and white or color printer, or directly sent by network fax.

Which brand of high-speed camera is good?

The more products there are, the more choices there are, and the harder it is to decide. In the face of so many brand names in the market, many friends do not know which is better, and whether it is easy to use? How to choose the most suitable one from so many high-speed cameras in the market is very difficult! The following is a brief introduction to purchasing skills:

1. Look at the sales volume:

Generally speaking, most people approve the products with high sales volume. At least many people have used them. Taking the evaluation into consideration, we can see how the functional quality of each product is.

2. Look at the evaluation:

The evaluation information of a product is the best information of whether a product is good or bad. In the case of similar sales volume, the better the evaluation is, the higher the recognition of the product is!

3. Look at the price:

On the basis of functional recognition, choose a high-end metronome with acceptable price, and then choose the best one for you!

4. Look at the service:

After-sales service is also an important criterion to consider. It is related to the user experience of the product.

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Scanner performance parameters

When choosing a scanner, first look at the performance parameters, including: scanning width (size), optical resolution (mostly positioned at 600x1200 dpi and higher), color digit (the higher the digit is, the richer the color is), and photosensitive elements (CCD technology is currently the most mature one, with superior performance, while CIS is suitable for mobile office environment).

Scanner software

Users who are unfamiliar with graphic processing can choose a scanner provided with simple operation. It is difficult to master the operation due to improper selection. It is better to provide more detailed instructions in Chinese. The selection of OCR software is very important for office users, and attention should be paid to whether they can recognize various printed handwriting, forms, mixed arrangement of Chinese and English, etc.

Scanner interface

Common interfaces include SCSI interface, EPP interface and USB interface (USB1.1 and 2.0), firewire (1394). It is recommended to purchase USB2.0 interface, which is fast, supports plug and play, and is very convenient to connect with computers.

Scanner machine inspection

First look at the appearance, and then carry out detection, including checking the scanner's adaptability to paper, photosensitive elements, transmission mechanism, gray level, color and OCR character recognition input detection.

Brand selection of scanner

The scanner should be of good quality and durability. The scanner of iCODIS not only has guaranteed quality, but also has perfect after-sales service.

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This is too easy to understand, because LED is expensive! The 100-inch Sony TV has already sold for 500,000 yuan! At present, with the increase of LED size, the price has doubled. If the LED is put into cinemas and made into a length of more than 10 meters, the cost is unimaginable. If the LED screen is damaged, artificially damaged, etc., these will cost an arm and a leg.

Using a projector is usually called watching a movie, will using an LED screen watching TV. What if consumers complain about paying for movie tickets but watching TV?

In fact, it mainly attributes to cost, portability and image quality. The fineness of images displayed on LED screen cannot equal with that of projectors, especially when digital projectors now have technically up to 2048*1080p resolution and can easily achieve high-definition effects.

At present, projection is the most eye-friendly one. Objects in nature, which we usually see, do not emit light themselves. Only when natural light is reflected onto the objects can we see them. If it is dark, nothing is visible. LED, working on self-illumination, is anti-human and is not good for eyes. Projection is to project light onto screen cloth. When we look at projection cloth, it does not emit light. Just like looking at objects in nature, it can give people a more real feeling. The reason why reading on kindle will not make eyes easily tired is that ink screen is not self-luminous but reflective screen. In the same way, LED cinema does more harm than benefit. Blinding your eyes in order to watch a movie, it’s more than worth it!

Theater T700 projector is 1080p in native resolution

TResolution: For small-pitch LED, higher pixels per inch means that the difficulty of stability design increases geometrically, pixel pitch decreases by 50%, and backplane density increases by 4 times, so the resolution of small-pitch LED is difficult to further improve. At present, cinemas have basically reached 2K level, so small spacing LED still cannot meet the standards of cinemas in terms of picture definition.

At the same time, in addition to poor heat dissipation, LED display screens are also prone to some problems, such as "bad spots". At present, most of the LED screens seen have bad spots more or less. If maintenance is not carried out in time, diffusion will be formed, which will affect other normal bright spots and eventually lead to abnormal display of some or all of the display screens. Compared with the easy-to-care screen, the maintenance cost of LED screen cannot be ignored.

In fact, that piece of cloth in the cinema is quite expensive,so is the projector. Items like 3D, laser, etc. are quite expensive. In fact, many LED screens can be assembled on the spot, and the size is not limited. Pieces of LED screens are assembled one by one, and the cost is not too high. Why are they not used in cinemas, mainly because the existing machines in cinemas still work well. New machines will increase costs. The other reasons are inertia and conformity.

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What is a high-speed camera scanner? A high-speed camera is a kind of equipment used in educational institutions, which can be used for preparing lessons. A high-speed camera is a piece of ultra-portable office equipment, which belongs to low-carbon office equipment. The high-speed camera can be used to scan characters and images and can convert pictures and texts. The camera can also take photos and copy documents. Do you know what's the difference between a high-speed camera and a scanner? Which is better, a high-speed camera or a scanner?

The high-speed camera is a folding type of high-speed scanning equipment. It can recognize characters, convert pictures and texts, edit word documents, copy, take photos, and record videos. It has many functions. The scanner is a kind of equipment that uses photoelectric technology and digital processing technology. It can only carry out the graphic conversion, and it is a kind of equipment that can only use digital signals. Scanners are classified into drum scanners, portable scanners, and flat scanners. Scanners are bulky and cannot be carried around. The speed of operation is not as fast as that of the high-speed camera. Generally speaking, the high-speed camera is a multifunctional scanner.

The high-speed camera is a very mini scanning device, which can scan a variety of information and has rich functions. Many people do not know what is the difference between a high-speed camera and a scanner, and the two are obviously different in size. The high-speed camera is a kind of ultra-light equipment that can be carried around, while the scanner can only be fixed in a certain place and is not suitable for movement. I believe many people who went to school have seen a high-speed camera, which is generally used to scan teaching contents and belongs to teaching equipment.

The difference between a high-speed camera and a scanner

1. Size: Compared with scanners, high-speed cameras are small and portable, and some models can be carried around.

2. Speed: Scanners generally need to be warmed up, while high-speed cameras do not, so scanning speed is faster.

3. Some differences in functions

（1）The camera can recognize OCR characters；

（2）SDK secondary development package for high-speed camera；

（3）Automatic edge searching can be carried out during scanning；

（4）The image merging function combines two pictures together；

（5）Removing the ash can keep the document clean and tidy；

（6）PDF conversion；

（7）Customizable picture watermarking.

Which is better, a high-speed camera or a scanner?

Traditional scanners are generally bulky and inconvenient to carry. In the process of use, the scanning operation is inconvenient or the scanning speed is slow due to different situations such as file size, paper thickness, etc. Moreover, the traditional scanner can only scan flat files and cannot scan solid objects. The high-speed camera breaks through the limitation of traditional scanning, combines the purposes of copying, projection, scanning, photographing, fax, mail, and the like, has faster scanning speed than the traditional scanner, can be folded, and is convenient to carry. A single machine can handle all kinds of daily and commercial affairs and improve efficiency.

Icodis provide icodis projector, icodis scanner, COMPACT PRO G3, mini office projector, dlp pocket projector, mini hd movie projector and etc, want to know more? Please contact us.

High-speed camera is a hot office product in recent years. It can not only be used for photographing, video recording, photocopying and faxing, but also has a smaller size, which is convenient to carry and is more perfect in function compared with traditional scanners. It can be said to be a perfect solution to make office easier, faster and environmentally friendly. How to use a high-speed camera? What is the difference between a high-speed camera and a scanner?

1. What is a high-speed camera?

The high-speed camera is a newly developed ultra-portable low-carbon office product and an innovative product in the office field. It has a folding ultra-convenient design, can complete one-second high-speed scanning, has OCR text recognition function, and can convert scanned pictures into editable word documents. It can also take photos, record videos, copy, fax without paper on the internet, make electronic books, trim edges and straighten up. Its perfect solution makes office easier, faster and more environmentally friendly.

2. Use of high-speed camera

File scan

High-quality scanning, with the maximum scanning size up to A3 format. Whether it is color books, bill ID cards or manuscript files, its JPG or set format files can be easily acquired and saved on a computer.

Making Electronic Books

By shooting the pages of books, they are automatically organized into an electronic book in PDF file format, which is stored on the hard disk for convenient storage and transmission.

File scan

High-quality scanning, with the maximum scanning size up to A3 format. Whether it is color books, bill ID cards or manuscript files, its JPG or set format files can be easily acquired and saved on a computer.

Physical photography

By folding the product, it is convenient to take pictures of real objects, including people, objects, etc., and save the data. At the same time, continuous shooting can be carried out, and the spacing can be set by yourself.

Video recording

The high-speed camera provides a real-time DV recording function, with simple operation and high recording quality. The recording time can be set according to the size of the hard disk.

HD million video camera

Provide smooth and high-definition images in QQ video or online video.

Make a signature

You can make your own handwritten signature. In future electronic documents, you only need to paste your name on the document to realize direct handwritten signature, fax and document printing.

Physical projector

The high-speed camera has a movable structure, which can shoot anything in space and finally display it on the computer screen. It can be directly projected onto the curtain with a projector.

Copy fax mail

It can quickly obtain paper files, objects and other image files, and can be printed by black and white or color printers in real time, or directly sent by fax through the network.

The difference between a high-speed camera and a scanner

High -speed camera

1. Size: Compared with the scanner, the high-speed camera is relatively small and portable.

2. Speed: The high-speed camera scans faster.

3. Functions: The high-speed camera can perform OCR text recognition, PDF conversion, gray background removal, and automatic edge finding. Its function is more perfect.

Scanner

1. Size: The scanner is bulky and inconvenient to carry.

2. Speed: Scanners generally need preheating.

3. Function: Traditional scanner can only scan flat files, but cannot scan solid objects.

Summary

Although the high-speed camera is a new technical product with small volume, fast speed and powerful functions, the traditional scanner is still slightly better than the high-speed camera in scanning quality. Therefore, the high-speed camera and scanner should be rationally selected according to your own needs.

Icodis provide icodis projector, icodis scanner, COMPACT PRO G3, mini office projector, dlp pocket projector, mini hd movie projector, hdmi led projector and etc, want to know more? Please contact us.