Title:
ビデオ信号の処理及び表示装置
Document Type and Number:
Japanese Patent JP2528291
Kind Code:
B2
Abstract:
A television receiver responsive to a broadcast television signal in a normal operating mode includes a television signal channel with high frequency peaking circuits, followed by a display driver to which an auxiliary video signal may be applied. A low pass filter is connected between the output of the television signal channel and the display driver, which exhibits a wide bandwidth when the receiver is intended to display auxiliary video information. The bandwidth of the low pass filter is inversely related to the bandwidth of the driver such that the low pass filter exhibits a narrow bandwidth relative to the bandwidth of a wideband display driver. In addition, the low pass filter exhibits a trapping characteristic at the second harmonic frequency of the chrominance signal in a color television receiver.
Inventors:
アイザツク マイケル ベル
デービツド エドワード ホリンデン
デービツド エドワード ホリンデン
Application Number:
JP22407086A
Publication Date:
August 28, 1996
Filing Date:
September 22, 1986
Export Citation:
Assignee:
アールシーエー トムソン ライセンシング コーポレイシヨン
International Classes:
H04N5/14; H04N5/205; H04N5/44; H04N9/64; (IPC1-7): H04N5/44; H04N5/14; H04N5/205
Domestic Patent References:
| JP58173977B |
Other References:
「テレビ技術」８１年１０月号Ｐ３５〜４０
Attorney, Agent or Firm:
田中 浩 （外１名）