JPS5810244U - Mode switching control circuit for magnetic recording/reproducing device - Google Patents

Mode switching control circuit for magnetic recording/reproducing device

Info

Publication number
JPS5810244U
JPS5810244U JP10211581U JP10211581U JPS5810244U JP S5810244 U JPS5810244 U JP S5810244U JP 10211581 U JP10211581 U JP 10211581U JP 10211581 U JP10211581 U JP 10211581U JP S5810244 U JPS5810244 U JP S5810244U
Authority
JP
Japan
Prior art keywords
mode
switching control
control signal
threshold
circuit
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.)
Granted
Application number
JP10211581U
Other languages
Japanese (ja)
Other versions
JPH0210588Y2 (en
Inventor
並木　康臣
松田　晶二
照尾　康史
博司 鹿野
岩船　嘉助
正和 太田
牧　孝一
Original Assignee
日本ビクター株式会社
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 by 日本ビクター株式会社 filed Critical 日本ビクター株式会社
Priority to JP10211581U priority Critical patent/JPS5810244U/en
Publication of JPS5810244U publication Critical patent/JPS5810244U/en
Application granted granted Critical
Publication of JPH0210588Y2 publication Critical patent/JPH0210588Y2/ja
Granted legal-status Critical Current

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  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案回路の一実施例の回路系統図、第２図は
第１図示の回路モード切換動作を説明するための図であ
る。 １．２・・・３値ル制御信号入力端子、３・・・ピン、
４・・・モード切換制御信号発生回路、５・・・モード
切換スイッチ回路、Ｑｌ、Ｑ２・・・トランジスタ、Ｒ
□、Ｒ２・・・抵抗、Ｖｃｃ・・・電源。FIG. 1 is a circuit system diagram of one embodiment of the circuit of the present invention, and FIG. 2 is a diagram for explaining the circuit mode switching operation shown in FIG. 1. 1.2...3-level control signal input terminal, 3...pin,
4...Mode switching control signal generation circuit, 5...Mode switching circuit, Ql, Q2...Transistor, R
□, R2...resistance, Vcc...power supply.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）記録モード、再生モード、Ｅ−Ｅモードを夫々切
換制御するスイッチを同−ＩＣ内に組込み、該ＩＣの１
個のピンに該記録モード、再生モード、Ｅ−Ｅモードを
夫々切換制御するための３値制御信号を供給する回路と
、該３値制御信号に応じて該各モードを夫々切換えるた
めの信号をとり出すモード切換制御信号発生回路とを設
けてなる磁気記録再生装置のモード切換制御回路。(1) A switch for controlling recording mode, playback mode, and E-E mode is built into the same IC, and one of the IC
A circuit that supplies a three-value control signal to each pin to control switching between the recording mode, playback mode, and E-E mode, and a circuit that supplies a signal to switch each mode according to the three-value control signal. A mode switching control circuit for a magnetic recording/reproducing device, comprising a mode switching control signal generation circuit for outputting a mode switching control signal. （２）該モード切換制御信号発生回路は、夫々値の異な
る２つの閾値を設定されており、該３値制御信号が一方
の閾値より下の場合記録モード、該一方の閾値と他方の
閾値との間の場合Ｅ−Ｅモード、該他方の閾値より上の
場合再生モードにする切換制御信号を発生する回路であ
る実用新案登録請求の範囲第１項記載の磁気記録再生装
置のモード切換制御回路。(2) The mode switching control signal generation circuit is set with two thresholds each having a different value, and when the three-value control signal is lower than one threshold, the recording mode is changed to one threshold and the other threshold. A mode switching control circuit for a magnetic recording and reproducing apparatus according to claim 1, which is a circuit that generates a switching control signal that selects the E-E mode when the threshold is between EE and EE, and the reproduction mode when the threshold is higher than the other threshold. .
JP10211581U 1981-07-09 1981-07-09 Mode switching control circuit for magnetic recording/reproducing device Granted JPS5810244U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10211581U JPS5810244U (en) 1981-07-09 1981-07-09 Mode switching control circuit for magnetic recording/reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10211581U JPS5810244U (en) 1981-07-09 1981-07-09 Mode switching control circuit for magnetic recording/reproducing device

Publications (2)

Publication Number Publication Date
JPS5810244U true JPS5810244U (en) 1983-01-22
JPH0210588Y2 JPH0210588Y2 (en) 1990-03-15

Family

ID=29896767

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10211581U Granted JPS5810244U (en) 1981-07-09 1981-07-09 Mode switching control circuit for magnetic recording/reproducing device

Country Status (1)

Country Link
JP (1) JPS5810244U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5155252U (en) * 1974-10-24 1976-04-28
JPS53142158A (en) * 1977-05-17 1978-12-11 Omron Tateisi Electronics Co Switch state detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5155252U (en) * 1974-10-24 1976-04-28
JPS53142158A (en) * 1977-05-17 1978-12-11 Omron Tateisi Electronics Co Switch state detector

Also Published As

Publication number Publication date
JPH0210588Y2 (en) 1990-03-15

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