Introduction to the camera module (CCM)

　　Camera module(CCM)introduce:

　　1、camera

　　Camera module, full namecameracompact module, which is abbreviated asCC, is an electronic device that is crucial for image capture.

2. Camera working principlecameraThe role of each component

First, we disassemble and analyze the components of the camera module to see how the camera module works.As shown in the following figure:

　　① Camera module (CCMA）Includes four major parts: Lens (lens),sensor(sensor）、Soft board(fpc）、Image processing chip(dspThe important parts that determine the quality of a camera are: lens (lens）、Image Processing Chip (dsp),sensor(sensor)。

　　② Working principle: Object passes through the lens (lens) gathers light, passing throughcmosorccdIntegrated circuit, converts the optical signal into an electrical signal, and then passes through the internal image processor (isp) is converted into a digital image signal and output to a digital signal processor (dsp) processing and converting into standardgrb、yuvEquivalent pattern picture signal.

Lens(lens) is the soul of the camera, the lens (lens) plays an important role in the imaging effect. It uses the refraction principle of the lens. The scene light passes through the lens and forms a clear impression on the focal plane.cmosorccdThe sensor records the impression of the scene. Lens manufacturers are mainly concentrated in Taiwan, Japan and South Korea. The industry of lens, which has high optical technology content, has a relatively high threshold. Well-known companies in the industry include Fuji Precision, Konica Minolta, Largan,enplaswait.

　　sensor(sensor)yesCCThere are two widely used core modules:ccd(charge coupled) element; the other iscmos(Complementary Metal Oxide Conductor) devices.

Charge Coupled Device Image Sensorccd(charge coupled device)It is made of a highly sensitive semiconductor material that can convert light into electric charges and then convert them into digital signals through an analog-to-digital converter chip.ccdIt is composed of a number of photosites, usually measured in megapixels.ccdWhen the surface is illuminated by light, each photosensitive unit reflects the charge on the component, and the signals generated by all photosensitive units are added together to form a complete picture.ccdSensor modules are dominated by Japanese manufacturers, which monopolize more than 90% of the global market, led by Sony, Panasonic and Sharp.

Complementary Metal Oxide Semiconductorcmos(complementary l-oxide semiconductor)First of all, it is a semiconductor made of two elements, silicon and germanium, which makes itcmoscoexistence zonen(charged) and pThe current generated by these two complementary effects can be recorded and read as an image by the processing chip.cmosSensors are mainly dominated by the United States, Taiwan and South Korea, and the main manufacturers are the United Statesomnivision、agilent、micron, Taiwan's Sharp, Original Image, Thai Television, etc., South Korea's Samsung and Hyundai.

　　Image processing chip (dsp)yesCCIts function is to transmit the data obtained by the photosensitive chip to the central processor in a timely and rapid manner and refresh the photosensitive chip.dspThe quality of the chip directly affects the picture quality (such as color saturation, clarity, etc.).

　　iCatch ICIt is the world's leading low-power, high-performance digital image processing chip.

　　iCatch ICChip strategic core partnerHuaxing Video，Already usediCatch IC V50, V37 V39, V35, V33A series of video processing chips have been developedCamera Solution。

　　fpcFlexible circuit board (flexiblepcb): Abbreviated as "soft board", also known as "flexible circuit board", it connects the chip and mobile phone and plays the role of electrical signal transmission.

The above is about the camera module (CCMA) is introduced in detail. As a camera solution R&D company, Huaxing Video develops camera solutions that can be matched with different camera modules according to needs.Wide-angle distortion-free camera module、Optical image stabilization camera module、Three-axis anti-shake gimbal camera moduleEach camera module has different characteristics and parameters to meet the different needs of our customers.