ClassID:

229444

H04N5/18 - CPC Classification

Classification description:

Details of television systems; Picture signal circuitry for video frequency region; Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit

Sub-classes:
Recent Application in this class:
#1
20180176497
2018-06-21

Column line clamp circuit for imaging array

#2
20150316776
2015-11-05

Naked-eye 3D backlight module, naked-eye 3D display device, and naked-eye 3D display method

#3
20140307142
2014-10-16

Solid-state imaging device, signal processing method thereof, and electronic apparatus

#4
20140176211
2014-06-26

Signal coupling circuit and associated method

#5
20120249208
2012-10-04

Clamp circuit, semiconductor device, signal processing system, and signal clamping method

#6
20120133838
2012-05-31

Video signal output circuit

#7
20120019718
2012-01-26

Multimedia device capable of detecting connection status of external display devices

#8
20100271104
2010-10-28

Image signal input circuit

#9
20100182067
2010-07-22

AC clamp circuit for video applications

#10
20100073485
2010-03-25

System and method for video transmission line fault detection

#11
20100020243
2010-01-28

VIDEO SIGNAL PROCESSOR

#12
20090003695
2009-01-01

Method and circuit for correcting signals and image correcting method and circuit using the same

#13
20080252783
2008-10-16

Device for separating synchronous signal and method thereof

#14
20080062473
2008-03-13

Image processing device and method thereof

#15
20080062316
2008-03-13

SOG signal detection circuit

#16
20070285577
2007-12-13

Image correction circuit, image correction method and image display

#17
20070182856
2007-08-09

Automatic clamping analog-to-digital converter

#18
20070176645
2007-08-02

Active current cancellation for high performance video clamps

#19
20060280436
2006-12-14

System and method for video transmission line fault detection

#20
20060077303
2006-04-13

Method and apparatus to improve ADC dynamic range in a video decoder

#21
20060050456
2006-03-09

Semiconductor integrated circuit and video signal amplification method

#22
20050270421
2005-12-08

Method and device for dynamically adjusting sync-on-green (SOG) signal of video signal

#23
20050248665
2005-11-10

Clamp level adjusting apparatus, electronic camera, image processing apparatus, and image processing program

#24
20050128359
2005-06-16

Clamping system for clamping a video signal by using a charge-pump circuit