JPH02123731U - - Google Patents

Info

Publication number
JPH02123731U
JPH02123731U JP2866089U JP2866089U JPH02123731U JP H02123731 U JPH02123731 U JP H02123731U JP 2866089 U JP2866089 U JP 2866089U JP 2866089 U JP2866089 U JP 2866089U JP H02123731 U JPH02123731 U JP H02123731U
Authority
JP
Japan
Prior art keywords
switch means
supply line
pwm signal
switch
tape
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
JP2866089U
Other languages
Japanese (ja)
Other versions
JPH087548Y2 (en
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 JP1989028660U priority Critical patent/JPH087548Y2/en
Publication of JPH02123731U publication Critical patent/JPH02123731U/ja
Application granted granted Critical
Publication of JPH087548Y2 publication Critical patent/JPH087548Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は実施例の構成を示すブロツク図、第２
図は動作説明のための波形図である。 １……キヤプスタンモータ、２……サーボ回路
、４……シスコン、６……第１スイツチ手段、７
……コンデンサ、８……第２スイツチ手段。 Figure 1 is a block diagram showing the configuration of the embodiment, Figure 2 is a block diagram showing the configuration of the embodiment.
The figure is a waveform diagram for explaining the operation. DESCRIPTION OF SYMBOLS 1... Capstan motor, 2... Servo circuit, 4... System controller, 6... First switch means, 7
. . . Capacitor, 8 . . . Second switch means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] テープを駆動するための駆動用モータと、この
駆動用モータに駆動のための制御電圧を供給する
電圧供給手段と、この制御電圧の供給ラインと、
この供給ラインと基準電位点間に接続された第１
のスイツチ手段と、同じく前記供給ラインと基準
電位点間に接続されたコンデンサと第２のスイツ
チ手段の直列回路と、テープ駆動モードの変更時
にデユーテイが徐々に変化するＰＷＭ信号を作成
して前記第１スイツチ手段を制御するＰＷＭ信号
作成手段と、少なくともこのＰＷＭ信号が供給さ
れている期間前記第２スイツチ手段オン状態とす
る第２スイツチ手段の制御信号を作成する第２ス
イツチ制御信号作成手段とを備えてなるテープ駆
動装置。 A drive motor for driving the tape, a voltage supply means for supplying a control voltage for driving to the drive motor, a supply line for the control voltage,
The first line connected between this supply line and the reference potential point
a series circuit of a capacitor and a second switch means connected between the supply line and the reference potential point, and a PWM signal whose duty gradually changes when changing the tape drive mode. a PWM signal generating means for controlling the first switch means; and a second switch control signal generating means for generating a control signal for the second switch means to keep the second switch means on at least for a period during which the PWM signal is supplied. Equipped with a tape drive.
JP1989028660U 1989-03-13 1989-03-13 Tape drive Expired - Lifetime JPH087548Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989028660U JPH087548Y2 (en) 1989-03-13 1989-03-13 Tape drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989028660U JPH087548Y2 (en) 1989-03-13 1989-03-13 Tape drive

Publications (2)

Publication Number Publication Date
JPH02123731U true JPH02123731U (en) 1990-10-11
JPH087548Y2 JPH087548Y2 (en) 1996-03-04

Family

ID=31252208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989028660U Expired - Lifetime JPH087548Y2 (en) 1989-03-13 1989-03-13 Tape drive

Country Status (1)

Country Link
JP (1) JPH087548Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022763A (en) * 1984-06-28 1985-02-05 Matsushita Electric Ind Co Ltd Cartridge type tape recorder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022763A (en) * 1984-06-28 1985-02-05 Matsushita Electric Ind Co Ltd Cartridge type tape recorder

Also Published As

Publication number Publication date
JPH087548Y2 (en) 1996-03-04

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term