2020-03-11
Technical Analysis of USB Cameras
To determine the quality of a camera based on the composition of a USB camera, the hardware mainly includes: 1. Lens: A lens is composed of a lens structure, consisting of several lenses, generally including plastic or glass lenses. The lens head structures commonly used for USB cameras are: 1P, 2P, 1G1P2G2P, 4G, etc. The more lenses there are, the higher the cost; Glass lenses are more expensive than plastic, so a high-quality camera should have a glass head, and the imaging effect will be better than plastic lenses. Most camera products on the market now use plastic lenses or semi plastic and semi glass lenses to reduce costs
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2020-03-07
What is the principle of the camera module
The working principle of the camera module is to project the scene onto the surface of the image sensor through the lens, convert it into an electrical signal, and then convert it into a digital image signal by A/D (A/D). It is then sent to the digital signal processing chip (DSP) for processing, and then transmitted to the computer through a USB port for processing. The main components of the camera module include the main control chip, photosensitive chip, lens, and power supply. Good power is also a way to ensure camera operation. Camera lens: Five glass lens is the mainstream.
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2020-03-03
Camera module technology
At present, various types of electronic products, such as mobile phones, cameras, tablets and other portable electronic products, generally have photography and camera functions, and camera modules have also been widely used in various electronic products. At present, the thickness of electronic products is getting thinner and the screen to body ratio is also getting higher, but the pixels are getting higher and higher, which also puts forward smaller and thinner requirements for their camera modules.
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2020-02-28
The advantages of USB cameras
The USB camera uses a USB interface, plug and play, foolproof operation, no need for capture card, no power supply, no need to disassemble the chassis, and supports laptop security cameras. Lower cost and remote network viewing compared to traditional surveillance cameras. Convenient and practical, easy to operate.
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2020-02-25
The composition of USB cameras
USB cameras can be called computer cameras, computer eyes, etc. As a video input device, they have been widely used in video conferencing, remote medical care, and real-time monitoring in the past. Nowadays, with the continuous progress of network technology and the continuous improvement of social technology, coupled with the maturity of photosensitive imaging device technology and its widespread use in camera manufacturing, its price has dropped to a level that ordinary people can afford. Ordinary people can also have video and audio conversations and communication with each other through cameras on the internet. In addition, people can also use it for various popular digital video and audio processing.
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