Invention Grant
- Patent Title: Automatic hue correction circuit
- Patent Title (中): 自动色相校正电路
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Application No.: US835844Application Date: 1986-03-03
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Publication No.: US4695875APublication Date: 1987-09-22
- Inventor: Hiroyasu Kishi
- Applicant: Hiroyasu Kishi
- Applicant Address: JPX Osaka
- Assignee: Sanyo Electric Co., Ltd.
- Current Assignee: Sanyo Electric Co., Ltd.
- Current Assignee Address: JPX Osaka
- Priority: JPX60-50867 19850314; JPX60-50868 19850314; JPX60-50869 19850314; JPX60-176551 19850810; JPX60-182422 19850820
- Main IPC: H04N9/64
- IPC: H04N9/64
Abstract:
An automatic hue correction circuit in a television receiver has been found. The present circuit forms a Q signal and an I signal by demodulated three color difference signals. Then, the present circuit compensates hue automatically by rotating demodulation axes so that a level of the Q signal becomes smaller, when a level of the I signal is larger than a reference level.
Public/Granted literature
- US5163409A Vehicle mounted LNG delivery system Public/Granted day:1992-11-17
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