JPS63181015U - - Google Patents

Info

Publication number
JPS63181015U
JPS63181015U JP7151487U JP7151487U JPS63181015U JP S63181015 U JPS63181015 U JP S63181015U JP 7151487 U JP7151487 U JP 7151487U JP 7151487 U JP7151487 U JP 7151487U JP S63181015 U JPS63181015 U JP S63181015U
Authority
JP
Japan
Prior art keywords
power switch
impact noise
circuit
manual
noise prevention
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
JP7151487U
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 JP7151487U priority Critical patent/JPS63181015U/ja
Publication of JPS63181015U publication Critical patent/JPS63181015U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (AREA)
  • Amplifiers (AREA)

Description

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

第1図及び第3図は本考案の衝撃音防止回路の
第1及び第3実施例を搭載したTV受像機のブロ
ツク図、第2図は本考案の衝撃音防止回路の第2
実施例を説明するためのブロツク図、第4図は従
来の衝撃音防止回路を搭載したTV受像機のブロ
ツク図、第5図は従来の衝撃音防止回路図、第6
図は電源切断時に閉成する接点を備えた電源スイ
ツチの動作原理図である。 2…TV(テレビジヨン)受像機本体、3…電
源回路、4…整流&電圧設定回路、5…リセツト
回路、6…制御回路、7…リモコン信号受光部、
8…音声ミユート回路、9…音声出力回路、11
…音量制御回路、Sw…主電源スイツチ(手動式
の電源開閉器)、RY…リレー(電磁式の電源開
閉器)、X〜X…検出端子、C…コンデンサ
、D〜D…ダイオード、Q〜Q…NPN
トランジスタ。
1 and 3 are block diagrams of a TV receiver equipped with the first and third embodiments of the impact noise prevention circuit of the present invention, and FIG. 2 is a block diagram of a TV receiver equipped with the first and third embodiments of the impact noise prevention circuit of the present invention.
FIG. 4 is a block diagram for explaining the embodiment, and FIG. 4 is a block diagram of a TV receiver equipped with a conventional impact noise prevention circuit. FIG. 5 is a conventional impact noise prevention circuit diagram.
The figure is a diagram illustrating the operating principle of a power switch equipped with a contact that closes when the power is turned off. 2...TV (television) receiver body, 3...power supply circuit, 4...rectification & voltage setting circuit, 5...reset circuit, 6...control circuit, 7...remote control signal receiver,
8...Audio mute circuit, 9...Audio output circuit, 11
...Volume control circuit, Sw...Main power switch (manual power switch), RY...Relay (electromagnetic power switch), X1 to X5 ...Detection terminal, C...Capacitor, D1 to D3 ... Diode, Q1 to Q3 ...NPN
transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 手動式の電源開閉器と、電磁式の電源開閉器と
、該電磁式の電源開閉器を作動させるスイツチン
グ素子と、音声ミユート回路とを少なくとも有す
る電子機器における衝撃音防止回路であつて、上
記手動式の電源開閉器、電磁式の電源開閉器、及
びスイツチング素子とを直列に接続すると共に、
それらの接続点のうちいずれか1つの接続点に検
出端子を接続して、該検出端子より上記音声ミユ
ート回路に動作信号を供給するよう構成すること
により、上記手動式の電源開閉器の開成時におけ
る衝撃音の発生を防止することを特徴とする衝撃
音防止回路。
An impact noise prevention circuit for an electronic device having at least a manual power switch, an electromagnetic power switch, a switching element for operating the electromagnetic power switch, and an audio mute circuit, the above-mentioned manual In addition to connecting a type power switch, an electromagnetic power switch, and a switching element in series,
By connecting a detection terminal to any one of these connection points and configuring the detection terminal to supply an operating signal to the audio mute circuit, when the manual power switch is opened, An impact noise prevention circuit characterized in that it prevents impact noise from occurring.
JP7151487U 1987-05-13 1987-05-13 Pending JPS63181015U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7151487U JPS63181015U (en) 1987-05-13 1987-05-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7151487U JPS63181015U (en) 1987-05-13 1987-05-13

Publications (1)

Publication Number Publication Date
JPS63181015U true JPS63181015U (en) 1988-11-22

Family

ID=30914137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7151487U Pending JPS63181015U (en) 1987-05-13 1987-05-13

Country Status (1)

Country Link
JP (1) JPS63181015U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854119B2 (en) * 1980-08-28 1983-12-02 隆 藤井 Production method of α-alumina single crystal
JPS60223211A (en) * 1985-03-25 1985-11-07 Hitachi Ltd Noise preventing circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854119B2 (en) * 1980-08-28 1983-12-02 隆 藤井 Production method of α-alumina single crystal
JPS60223211A (en) * 1985-03-25 1985-11-07 Hitachi Ltd Noise preventing circuit

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