JPS5381219A - Writing and driving circuit for magnetic head of two terminal type - Google Patents

Writing and driving circuit for magnetic head of two terminal type

Info

Publication number
JPS5381219A
JPS5381219A JP15867676A JP15867676A JPS5381219A JP S5381219 A JPS5381219 A JP S5381219A JP 15867676 A JP15867676 A JP 15867676A JP 15867676 A JP15867676 A JP 15867676A JP S5381219 A JPS5381219 A JP S5381219A
Authority
JP
Japan
Prior art keywords
writing
driving circuit
magnetic head
terminal type
writing operation
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
JP15867676A
Other languages
Japanese (ja)
Inventor
Akira Kakehi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15867676A priority Critical patent/JPS5381219A/en
Publication of JPS5381219A publication Critical patent/JPS5381219A/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
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/125—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams conditioned by the operating function of the apparatus
    • 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
    • G11B5/09—Digital recording

Abstract

PURPOSE:To accomplish the writing and reading operations at a high speed with the use of a simple construction by supplying a reversible current to a magnetic head of two terminal type in accordance with the input signals, when in the writing operation, and by changing the output a writing and driving circuit to the condition of high impedance when in the writing operation.
JP15867676A 1976-12-27 1976-12-27 Writing and driving circuit for magnetic head of two terminal type Pending JPS5381219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15867676A JPS5381219A (en) 1976-12-27 1976-12-27 Writing and driving circuit for magnetic head of two terminal type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15867676A JPS5381219A (en) 1976-12-27 1976-12-27 Writing and driving circuit for magnetic head of two terminal type

Publications (1)

Publication Number Publication Date
JPS5381219A true JPS5381219A (en) 1978-07-18

Family

ID=15676922

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15867676A Pending JPS5381219A (en) 1976-12-27 1976-12-27 Writing and driving circuit for magnetic head of two terminal type

Country Status (1)

Country Link
JP (1) JPS5381219A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03276404A (en) * 1990-03-26 1991-12-06 Teac Corp Digital recording circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03276404A (en) * 1990-03-26 1991-12-06 Teac Corp Digital recording circuit

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