JPS5545157A - Automatic adjustment circuit of tape recorder - Google Patents

Automatic adjustment circuit of tape recorder

Info

Publication number
JPS5545157A
JPS5545157A JP11794378A JP11794378A JPS5545157A JP S5545157 A JPS5545157 A JP S5545157A JP 11794378 A JP11794378 A JP 11794378A JP 11794378 A JP11794378 A JP 11794378A JP S5545157 A JPS5545157 A JP S5545157A
Authority
JP
Japan
Prior art keywords
recording
reproduction
switch
test
malfunction
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
JP11794378A
Other languages
Japanese (ja)
Other versions
JPS5916327B2 (en
Inventor
Koichi Tomatsuri
Toru Sanbe
Naoya Fujita
Shigemitsu Higuchi
Masamichi Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11794378A priority Critical patent/JPS5916327B2/en
Priority to DE2933004A priority patent/DE2933004C2/en
Publication of JPS5545157A publication Critical patent/JPS5545157A/en
Priority to US06/383,958 priority patent/US4422108A/en
Publication of JPS5916327B2 publication Critical patent/JPS5916327B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To prevent an error adjustment due to malfunction by activating a control circuit which performs the automatic compensation of a recording system by recording and reproducing reference signals only when test, recording and reproduction switches are all operated.
CONSTITUTION: When reference signals are recorded and subsequently reproduced, the automatic compensating adjustment of a recording system is made by a reproduction output passing through holding circuit 10, A/D converter 11, arithmetic circuit 12, etc. Those circuits 10W12 and reference signal oscillator 13 are controlled by control circuit 14, which is activated with test-switch closing signal recording and reproduction switches 16 and 17 both closed only when recording and reproduction mode signals outputted by memories 18 and 19 are AND-ed by AND gate 20. Therefore, only when the recording switch and reproduction switch are both closed, closing a test switch makes the automatic compensating adjustment, thereby preventing an error adjustment due to malfunction.
COPYRIGHT: (C)1980,JPO&Japio
JP11794378A 1978-08-16 1978-09-27 Automatic adjustment circuit for tape recorder Expired JPS5916327B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP11794378A JPS5916327B2 (en) 1978-09-27 1978-09-27 Automatic adjustment circuit for tape recorder
DE2933004A DE2933004C2 (en) 1978-08-16 1979-08-14 Tape recorder with improved frequency response equalization
US06/383,958 US4422108A (en) 1978-08-16 1982-06-01 Tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11794378A JPS5916327B2 (en) 1978-09-27 1978-09-27 Automatic adjustment circuit for tape recorder

Publications (2)

Publication Number Publication Date
JPS5545157A true JPS5545157A (en) 1980-03-29
JPS5916327B2 JPS5916327B2 (en) 1984-04-14

Family

ID=14724056

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11794378A Expired JPS5916327B2 (en) 1978-08-16 1978-09-27 Automatic adjustment circuit for tape recorder

Country Status (1)

Country Link
JP (1) JPS5916327B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57120210A (en) * 1981-01-14 1982-07-27 Nippon Gakki Seizo Kk Setting device for optimum operation characteristics of magnetic recorder and reproducer
JPS57120211A (en) * 1981-01-14 1982-07-27 Nippon Gakki Seizo Kk Setting device for optimum operation characteristics of magnetic recorder and reproducer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57120210A (en) * 1981-01-14 1982-07-27 Nippon Gakki Seizo Kk Setting device for optimum operation characteristics of magnetic recorder and reproducer
JPS57120211A (en) * 1981-01-14 1982-07-27 Nippon Gakki Seizo Kk Setting device for optimum operation characteristics of magnetic recorder and reproducer
JPS6327765B2 (en) * 1981-01-14 1988-06-06 Yamaha Kk

Also Published As

Publication number Publication date
JPS5916327B2 (en) 1984-04-14

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