JPS623171U - - Google Patents

Info

Publication number
JPS623171U
JPS623171U JP9501785U JP9501785U JPS623171U JP S623171 U JPS623171 U JP S623171U JP 9501785 U JP9501785 U JP 9501785U JP 9501785 U JP9501785 U JP 9501785U JP S623171 U JPS623171 U JP S623171U
Authority
JP
Japan
Prior art keywords
video signal
analog switch
switch means
composite video
reference power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9501785U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9501785U priority Critical patent/JPS623171U/ja
Publication of JPS623171U publication Critical patent/JPS623171U/ja
Pending legal-status Critical Current

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  • Television Signal Processing For Recording (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の一実施例を示す回路図、第2
図、第3図は本考案を説明するための各部の波形
図、第4図は従来の実施例の回路図、第5図は従
来の実施例の回路図を説明するための波形図であ
る。 1……複合映像信号入力端子、3……クランプ
用コンデンサ、4A,4B,4C……アナログス
イツチ、5,48……直流電源。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
Figure 3 is a waveform diagram of each part to explain the present invention, Figure 4 is a circuit diagram of a conventional embodiment, and Figure 5 is a waveform diagram to explain a circuit diagram of a conventional embodiment. . 1... Composite video signal input terminal, 3... Clamp capacitor, 4A, 4B, 4C... Analog switch, 5, 48... DC power supply.

Claims (1)

【実用新案登録請求の範囲】 複合映像信号から同期信号部分を削除し映像信
号部分のみを取り出す同期信号削除回路において (a) 複合映像信号のバツクポーチ期間に基準電
源を供給する第1のアナログスイツチ手段と (b) 前記複合映像信号の映像信号伝送期間に前
記基準電源の電位を保持しつつ映像信号を伝達す
る第2のアナログスイツチ手段と (c) 前記複合映像信号の水平帰線消去期間に基
準電源に導通する第3のアナログスイツチ手段 とを備えた同期信号削除回路。
[Claims for Utility Model Registration] In a synchronization signal deletion circuit for deleting a synchronization signal portion from a composite video signal and extracting only the video signal portion, (a) a first analog switch means for supplying a reference power during a backport period of the composite video signal; and (b) a second analog switch means for transmitting the video signal while maintaining the potential of the reference power source during the video signal transmission period of the composite video signal; and third analog switch means conducting to the power supply.
JP9501785U 1985-06-22 1985-06-22 Pending JPS623171U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9501785U JPS623171U (en) 1985-06-22 1985-06-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9501785U JPS623171U (en) 1985-06-22 1985-06-22

Publications (1)

Publication Number Publication Date
JPS623171U true JPS623171U (en) 1987-01-09

Family

ID=30653940

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9501785U Pending JPS623171U (en) 1985-06-22 1985-06-22

Country Status (1)

Country Link
JP (1) JPS623171U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08266696A (en) * 1995-03-30 1996-10-15 Jiyapaana:Kk Gold bag

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014566B2 (en) * 1980-01-12 1985-04-15 藤井電工株式会社 Self-propelled spacecraft for multi-conductor power transmission lines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014566B2 (en) * 1980-01-12 1985-04-15 藤井電工株式会社 Self-propelled spacecraft for multi-conductor power transmission lines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08266696A (en) * 1995-03-30 1996-10-15 Jiyapaana:Kk Gold bag

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