JPS607696U - Tape recorder reel motor drive control circuit - Google Patents

Tape recorder reel motor drive control circuit

Info

Publication number
JPS607696U
JPS607696U JP9952483U JP9952483U JPS607696U JP S607696 U JPS607696 U JP S607696U JP 9952483 U JP9952483 U JP 9952483U JP 9952483 U JP9952483 U JP 9952483U JP S607696 U JPS607696 U JP S607696U
Authority
JP
Japan
Prior art keywords
reel motor
control circuit
tape recorder
motor drive
drive control
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
JP9952483U
Other languages
Japanese (ja)
Inventor
栗林　泰治
大祐 笠松
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 JP9952483U priority Critical patent/JPS607696U/en
Publication of JPS607696U publication Critical patent/JPS607696U/en
Pending legal-status Critical Current

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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 drawings]

第１図は一般のカセットテープレコーダのリールディス
ク近傍の概略平面図、第２図は従来回路の一例の回路図
、′第３図及び第４図は夫々本考案の第１及び第２実施
例の回路図である。 １・・・・・・リールモータ、４・・・・・・アイドラ
、８・・・・・・リールモータ駆動回路、９・・・・・
・電圧部切換用端子、Ｑ、〜Ｑ３・・・・・・トランジ
スタ、ｚＤ１〜ｚＤ３・・・・・・ツェナーダイオード
、Ｄｌ、Ｄ２・・・・・・ダイオード、Ｒ１〜Ｒ７・・
・・・・抵抗。Figure 1 is a schematic plan view of the vicinity of the reel disk of a general cassette tape recorder, Figure 2 is a circuit diagram of an example of a conventional circuit, and Figures 3 and 4 are a first and second embodiment of the present invention, respectively. FIG. 1... Reel motor, 4... Idler, 8... Reel motor drive circuit, 9...
・Voltage section switching terminal, Q, ~Q3...Transistor, zD1-zD3...Zener diode, Dl, D2...Diode, R1-R7...
····resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 制御素子へモードに応じて大きさの夫々異なる２種の電
圧を夫々切換え印加して被制御リールモータへの印加電
圧を切換える電圧切換え回路と、該リールモータへの供
給電流の大きさを検出する電流検出回路と、該リールモ
ータへ高電圧印加時に該電流検出回路により該供給電流
が所定値に達したことが検出された際、該電圧切換え回
路の制御素子を制御してモータ供給電圧を減少せしめる
制御回路とより構成してなるテープレコーダのリールモ
ータ駆動制御回路。A voltage switching circuit that switches the voltage applied to the controlled reel motor by switching and applying two voltages of different magnitudes to the control element according to the mode, and detects the magnitude of the current supplied to the reel motor. a current detection circuit; and when the current detection circuit detects that the supply current has reached a predetermined value when a high voltage is applied to the reel motor, the control element of the voltage switching circuit is controlled to reduce the motor supply voltage; A reel motor drive control circuit for a tape recorder, which is comprised of a control circuit for controlling the drive.
JP9952483U 1983-06-28 1983-06-28 Tape recorder reel motor drive control circuit Pending JPS607696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9952483U JPS607696U (en) 1983-06-28 1983-06-28 Tape recorder reel motor drive control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9952483U JPS607696U (en) 1983-06-28 1983-06-28 Tape recorder reel motor drive control circuit

Publications (1)

Publication Number Publication Date
JPS607696U true JPS607696U (en) 1985-01-19

Family

ID=30235817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9952483U Pending JPS607696U (en) 1983-06-28 1983-06-28 Tape recorder reel motor drive control circuit

Country Status (1)

Country Link
JP (1) JPS607696U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4863214A (en) * 1971-12-09 1973-09-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4863214A (en) * 1971-12-09 1973-09-03

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