Invention Grant
- Patent Title: Burst gate and backporch clamping circuitry
- Patent Title (中): 突发门和后门钳夹电路
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Application No.: US544278Application Date: 1975-01-27
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Publication No.: US3949418APublication Date: 1976-04-06
- Inventor: Gopal Krishna Srivastava
- Applicant: Gopal Krishna Srivastava
- Applicant Address: CT Stamford
- Assignee: GTE Sylvania Incorporated
- Current Assignee: GTE Sylvania Incorporated
- Current Assignee Address: CT Stamford
- Main IPC: H04N9/455
- IPC: H04N9/455 ; H04N9/72 ; H04N9/46 ; H04N9/535
Abstract:
In a signal receiver utilizing a video signal having a blanking signal with a backporch portion whereat a color burst signal is disposed includes a ramp potential development means responsive to a pulse signal as well as a potential storage, clamping, and slope altering means for effecting alterations in the width of a burst gate potential. In another aspect, a potential storage, clamping, and slope altering means is responsive to the ramp potential development means for effecting clamping of the backporch portion of the blanking signal.
Public/Granted literature
- US5700449A Dentifrice composition Public/Granted day:1997-12-23
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