MY141546A - Automatic equalization of video signals - Google Patents
Automatic equalization of video signalsInfo
- Publication number
- MY141546A MY141546A MYPI20030508A MY141546A MY 141546 A MY141546 A MY 141546A MY PI20030508 A MYPI20030508 A MY PI20030508A MY 141546 A MY141546 A MY 141546A
- Authority
- MY
- Malaysia
- Prior art keywords
- compensation
- responses
- new
- path
- green
- Prior art date
Links
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Picture Signal Circuits (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
A VIDEO COMPENSATION SYSTEM FOR ANALOG VIDEO TRANSMISSION IS DESCRIBED. THE COMPENSATION SYSTEM IS EMPLOYED IN AN ANALOG VIDEO SWITCHING CIRCUIT SUCH THAT EACH TIME A CONDUCTIVE PATH IS SWITCHED, THE SYSTEM AUTOMATICALLY TESTS THE NEW SWITCH PATH FOR A NEW COMPENSATION VALUE. THE COMPENSATION VALUE IS DETERMINED BY MEASURING THE RESPONSE OF THE NEW PATH TO A SET OF TONES THAT ARE APPLIED TO THE CONDUCTIVE PATH, THE RESPONSE TO WHICH IS MEASURED AGAINST A TABLE OF RESPONSES PREVIOUSLY RECORDED. THE MEASURED RESPONSES ARE COMPARED TO THE RECORDED RESPONSES TO DETERMINE AN APPROPRIATE COMPENSATION CONTROL VOLTAGE (VL, VM, VH), WHICH IS APPLIED TO AN EQUALIZER SYSTEM (50, 51, 52, 53, 54). IN AN ALTERNATIVE EMBODIMENT, THE SKEW COMPENSATIONS ALSO PROVIDED BETWEEN RED, GREEN, AND BLUE TWISTED PAIR LINES IN THE CABLES BY PERFORMING COMPARATIVE ANALYSIS BETWEEN CORRESPONDING PAIRS OF THE RED, GREEN, AND BLUE SIGNALS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35670602P | 2002-02-15 | 2002-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
MY141546A true MY141546A (en) | 2010-05-14 |
Family
ID=37191301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI20030508 MY141546A (en) | 2002-02-15 | 2003-02-14 | Automatic equalization of video signals |
Country Status (2)
Country | Link |
---|---|
MY (1) | MY141546A (en) |
TW (1) | TWI246009B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI402820B (en) * | 2008-11-27 | 2013-07-21 | Tangtop Technology Co Ltd | Signal compensation method and structure thereof |
TW201502930A (en) * | 2013-07-08 | 2015-01-16 | Anapex Technology Inc | Capacitance sensing circuit for excluding effect of parasitic capacitance |
-
2003
- 2003-02-14 MY MYPI20030508 patent/MY141546A/en unknown
- 2003-02-17 TW TW92103235A patent/TWI246009B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW200400452A (en) | 2004-01-01 |
TWI246009B (en) | 2005-12-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2278790A3 (en) | Automatic equalization of video signals | |
US4090035A (en) | Line access module | |
HU9501358D0 (en) | Communications channel testing arrangement | |
KR860006881A (en) | Adaptive equalizer | |
MY141546A (en) | Automatic equalization of video signals | |
US6265951B1 (en) | Method and apparatus for equalizing channel characteristics in a computer extension system | |
US8271225B2 (en) | Test system for connectors with multi-input | |
CA1205530A (en) | Duplex signaling circuit | |
JP2000031786A5 (en) | ||
JP3081554B2 (en) | Control device for analog circuit using microcomputer | |
JPS63136726A (en) | Device for correcting line unbalance | |
SE520184C2 (en) | Ekosläckningsanordning | |
JP2550551B2 (en) | Color difference signal processing circuit | |
GB2071945A (en) | Apparatus for controlling the amplitude of an analog signal | |
JPS62136178A (en) | Switching circuit for switching input | |
JPS6325797Y2 (en) | ||
JP2525746B2 (en) | Video signal processing device, video signal measuring device, and video signal measuring method | |
CN103052004A (en) | Signal receiving device, earphone and conversion joint | |
JP2595975B2 (en) | Signal processing circuit | |
JPS6349971Y2 (en) | ||
NO924717L (en) | DISPLAY REMOTE CONTROL | |
CN110855262A (en) | System and method for realizing multi-type audio output impedance | |
RU2012160C1 (en) | Device for measuring color saturation | |
US1397975A (en) | Electrical testing system | |
JP2002271236A (en) | Equalizer and adaptive video transmitter/receiver using the same and method for removing deviation of video frequency from video signal |