JPS6145710U - Tape recorder bias current switching device - Google Patents

Tape recorder bias current switching device

Info

Publication number
JPS6145710U
JPS6145710U JP12742984U JP12742984U JPS6145710U JP S6145710 U JPS6145710 U JP S6145710U JP 12742984 U JP12742984 U JP 12742984U JP 12742984 U JP12742984 U JP 12742984U JP S6145710 U JPS6145710 U JP S6145710U
Authority
JP
Japan
Prior art keywords
bias current
tape
tape recorder
switching device
resistors
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
JP12742984U
Other languages
Japanese (ja)
Other versions
JPH0319048Y2 (en
Inventor
信幸 高橋
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP12742984U priority Critical patent/JPS6145710U/en
Publication of JPS6145710U publication Critical patent/JPS6145710U/en
Application granted granted Critical
Publication of JPH0319048Y2 publication Critical patent/JPH0319048Y2/ja
Granted legal-status Critical Current

Links

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) [Summary] 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 the drawing]

第１図は本考案の一実施例を示す回路図、及び第２図は
従来のバイアス電流切換え装置を示す回路図である。 主な図番の説明、１主・・・テープセレクタ回路、２４
，２５，２６・・・出力端子、２７，２８．２９・・・
抵抗、３０・・・スイッチングトランジスタ、３１・・
・発振回路。FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a conventional bias current switching device. Explanation of main drawing numbers, 1 Main...tape selector circuit, 24
, 25, 26...output terminal, 27, 28.29...
Resistor, 30...Switching transistor, 31...
・Oscillation circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ′ 磁気テープの種類に対応したバイアス電流を録音信
号に重晶畳して該磁気テープに録音する為のテ１−プレ
コーダにおいて、前記バイアス電流を発生する発振回路
と、磁気テープの種類に対応してｒＨヨ信号を発生する
出力端子が切り換わるテープセレクタ回路と、一端が該
テープセレクタ回路のそれぞれの出力端子に接続され、
該出力端子から出力される信号のレベルを制限する複数
の抵抗と、テープレコーダの録音操作が行われた時にオ
ンし、オン状態において前記抵抗のそれぞれの他端に得
られる信号を前記発振回路に供給するスイッチングトラ
ンジスタとから成るテープレコーダのバイアス電流切換
え装置。' In a tape recorder that superimposes a bias current corresponding to the type of magnetic tape on a recording signal and records it on the magnetic tape, an oscillation circuit that generates the bias current and a bias current corresponding to the type of magnetic tape are used. a tape selector circuit whose output terminals for generating the rH yaw signal are switched; and one end connected to each output terminal of the tape selector circuit;
a plurality of resistors that limit the level of the signal output from the output terminal; and a plurality of resistors that are turned on when a recording operation of the tape recorder is performed, and in the on state, a signal obtained at the other end of each of the resistors is sent to the oscillation circuit. A tape recorder bias current switching device consisting of a switching transistor that supplies
JP12742984U 1984-08-22 1984-08-22 Tape recorder bias current switching device Granted JPS6145710U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12742984U JPS6145710U (en) 1984-08-22 1984-08-22 Tape recorder bias current switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12742984U JPS6145710U (en) 1984-08-22 1984-08-22 Tape recorder bias current switching device

Publications (2)

Publication Number Publication Date
JPS6145710U true JPS6145710U (en) 1986-03-26
JPH0319048Y2 JPH0319048Y2 (en) 1991-04-23

Family

ID=30686073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12742984U Granted JPS6145710U (en) 1984-08-22 1984-08-22 Tape recorder bias current switching device

Country Status (1)

Country Link
JP (1) JPS6145710U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55178824U (en) * 1979-06-11 1980-12-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55178824U (en) * 1979-06-11 1980-12-22

Also Published As

Publication number Publication date
JPH0319048Y2 (en) 1991-04-23

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