On November 2nd news, Hammer Technology will hold a new autumn product launch conference in Chengdu next Tuesday. The long-rumored air purifier seems to be the focus of many people. Recently, Luo Zhenyu and Jiang Nanchun and other microblogging V have mentioned that they have tried a new brand of air purifier, which is probably a hammer purifier. Hammer released air purifier next week: multiple large V has been tried (picture from weibo) Luo Zhenyu said in his Weibo: "Trying to use a new brand of air purifier, has not been released, the specific information is not allowed to say. On-site test, a group of people smoking in the conference room at the same time (the largest amount of smoke The inferior smoke), the three smashing watches are falling down. The purifier war began, I wish this big sale. Pure advertising. "Jiangnanchun also released a similar Weibo, it is worth mentioning that two No one has leaked the shape of the hammer purifier. On Tuesday, Jingdong Mall launched the appointment interface for the hammer new machine. It is not difficult to see from the appointment page that the new mobile phone product launched by Hammer Technology will adopt a comprehensive screen. So quickly announced the pre-sales page, this hammer new machine is likely to be released again after the release. The frame of the machine looks rounder and still uses a single camera. At present, the security work of Hammer Technology is relatively strict, and there is no credible spy photos out of this mobile phone. I believe it will appear again after a while. On Monday night, Hammer Technology officially announced on its official Weibo that Hammer Technology's 2017 new product launch conference will be held at the Chengdu Rubik's Performing Arts Center on November 7th at 19:30. There have been rumors that in addition to the new series of nuts, the hammer will also introduce an air purifier.
The RCA interface (CVBS)
Composite Video Broadcast Signal
CVBS is short for Composite Video Broadcast Signal. This is the most common video interface, the first application in the field of radio and television, then a lot of camera output support the CVBS interface, CVBS signals are interlaced video signal, and a resolution of 720 x576 (PAL) or 720 x480 (NTSC), CVBS is the analog video signal interface, has gradually been digital video signal interface and replace the hd video signal interface.
The AV interface (CVBS)
AV video interface English full name is: "Composite video connector", AV terminal is usually consists of three lines, transmission of video is usually yellow RCA terminal, the other with two red and white RCA terminal transmit audio, transmitted in AV terminal is analog TV signal source of three elements: Y, U, V, as well as the benchmark of the pulse signal synchronization. Y represents the brightness of the image (luminance, also called brightness), and contains the sync pulse, as long as there is signal Y can see black and white television image (in fact, this is the method of color TV and early black and white TV compatible). The U and V signals are loaded with color data. The U and V are first mixed into two sets of orthogonal phases ina signal (the mixed signal is called Chrominance), and then summed with the Y signal. Since Y is the fundamental signal and UV is mixed with the carrier, this summing action is equivalent to frequency division multiplexing.
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