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JPS563414A - Sound recorder/reproducer - Google Patents

Sound recorder/reproducer

Info

Publication number
JPS563414A
JPS563414A JP7987779A JP7987779A JPS563414A JP S563414 A JPS563414 A JP S563414A JP 7987779 A JP7987779 A JP 7987779A JP 7987779 A JP7987779 A JP 7987779A JP S563414 A JPS563414 A JP S563414A
Authority
JP
Japan
Prior art keywords
recording
supplied
switching element
active switching
control signal
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
JP7987779A
Other languages
Japanese (ja)
Inventor
Makoto Fukuyama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7987779A priority Critical patent/JPS563414A/en
Publication of JPS563414A publication Critical patent/JPS563414A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain the desired sound recording and reproducing characteristics, by providing the active switching element in order to secure the perfect separation between the sound recording action and the reproducing action.
CONSTITUTION: Active switching element 13 which operates on the control signal is connected between record amplifier gain control circuit 8 and record amplifier 4. In the case of the recording action, the control signal supplied is then supplied to both electronic change-over switch 11 and active switching element 13. Thus element 13 is turned on, and then the recording is carried out with the desired recording characteristics and via circuit 8. In the case of the reproduction, no control signal is supplied and the earth level is supplied to both electronic change-over switch 11 and active switching element 13. As a result, control terminal 13a of element 13 is turned off with the recording circuit cut off. Accordingly, the desired reproduction characteristics can be obtained in the same way as the recording characteristics.
COPYRIGHT: (C)1981,JPO&Japio
JP7987779A 1979-06-22 1979-06-22 Sound recorder/reproducer Pending JPS563414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7987779A JPS563414A (en) 1979-06-22 1979-06-22 Sound recorder/reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7987779A JPS563414A (en) 1979-06-22 1979-06-22 Sound recorder/reproducer

Publications (1)

Publication Number Publication Date
JPS563414A true JPS563414A (en) 1981-01-14

Family

ID=13702452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7987779A Pending JPS563414A (en) 1979-06-22 1979-06-22 Sound recorder/reproducer

Country Status (1)

Country Link
JP (1) JPS563414A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144009A (en) * 1983-02-06 1984-08-17 Rohm Co Ltd Sound recording and reproducing circuit
JPH06100927A (en) * 1992-08-05 1994-04-12 Nippon Steel Corp Production of grain-oriented silicon steel sheet
KR20210110682A (en) 2019-01-16 2021-09-08 닛폰세이테츠 가부시키가이샤 A unidirectional electrical steel sheet and its manufacturing method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144009A (en) * 1983-02-06 1984-08-17 Rohm Co Ltd Sound recording and reproducing circuit
JPH06100927A (en) * 1992-08-05 1994-04-12 Nippon Steel Corp Production of grain-oriented silicon steel sheet
KR20210110682A (en) 2019-01-16 2021-09-08 닛폰세이테츠 가부시키가이샤 A unidirectional electrical steel sheet and its manufacturing method

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