JPS576405A - Recording characteristic adjusting device of two-head tape recorder - Google Patents

Recording characteristic adjusting device of two-head tape recorder

Info

Publication number
JPS576405A
JPS576405A JP7967880A JP7967880A JPS576405A JP S576405 A JPS576405 A JP S576405A JP 7967880 A JP7967880 A JP 7967880A JP 7967880 A JP7967880 A JP 7967880A JP S576405 A JPS576405 A JP S576405A
Authority
JP
Japan
Prior art keywords
recording
signal
adjusting
level
adjusting device
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
JP7967880A
Other languages
Japanese (ja)
Inventor
Takao Kuwajima
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP7967880A priority Critical patent/JPS576405A/en
Publication of JPS576405A publication Critical patent/JPS576405A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing

Abstract

PURPOSE:To automatically adjust a recording characteristics by a simple constitution, by controlling a recording signal and a reproducing signal by a circuit containing a counting means. CONSTITUTION:Two frequencies f1, f2 are used as signals for adjusting a recording characteristics, they are applied to a gate circuit 1 and a signal which intermits periodically is generated, it is recorded into a tape 11 through a level variable means 6 and a recording characteristic variable means 7, also its reproducing signal is compared with a prescribed level by a comparator 17, and when they are in coincidence with each other, a signal is outputted. On the other hand, a counter 4 is provided, the number of times of generation of a recording output, and the number of times of generation of a reproducing output are counted, a level variable means 6 is controlled in accordance with said contents, and also its counting operation is stopped by a signal of the comparator 17. Accordingly, when adjusting a level, only f1 is recorded EQ, and when adjusting a recording bias, f1 and f2 are superposed and used, by which a recording characteristics are adjusted automatically by a simple constitution.
JP7967880A 1980-06-13 1980-06-13 Recording characteristic adjusting device of two-head tape recorder Pending JPS576405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7967880A JPS576405A (en) 1980-06-13 1980-06-13 Recording characteristic adjusting device of two-head tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7967880A JPS576405A (en) 1980-06-13 1980-06-13 Recording characteristic adjusting device of two-head tape recorder

Publications (1)

Publication Number Publication Date
JPS576405A true JPS576405A (en) 1982-01-13

Family

ID=13696850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7967880A Pending JPS576405A (en) 1980-06-13 1980-06-13 Recording characteristic adjusting device of two-head tape recorder

Country Status (1)

Country Link
JP (1) JPS576405A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5098309A (en) * 1973-12-26 1975-08-05
JPS5477115A (en) * 1977-12-01 1979-06-20 Matsushita Electric Ind Co Ltd Magnetic recording and reproducing device
JPS54116206A (en) * 1978-03-01 1979-09-10 Pioneer Electronic Corp Magnetic recorder*reproducer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5098309A (en) * 1973-12-26 1975-08-05
JPS5477115A (en) * 1977-12-01 1979-06-20 Matsushita Electric Ind Co Ltd Magnetic recording and reproducing device
JPS54116206A (en) * 1978-03-01 1979-09-10 Pioneer Electronic Corp Magnetic recorder*reproducer

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