JPS51144213A - Current switching-shaped writing in amplification circuit - Google Patents

Current switching-shaped writing in amplification circuit

Info

Publication number
JPS51144213A
JPS51144213A JP6762775A JP6762775A JPS51144213A JP S51144213 A JPS51144213 A JP S51144213A JP 6762775 A JP6762775 A JP 6762775A JP 6762775 A JP6762775 A JP 6762775A JP S51144213 A JPS51144213 A JP S51144213A
Authority
JP
Japan
Prior art keywords
current switching
amplification circuit
shaped writing
transistor
current
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
JP6762775A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5737931B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Masahiro Mitamura
Tadamichi Kawada
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
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone 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 Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP6762775A priority Critical patent/JPS51144213A/ja
Publication of JPS51144213A publication Critical patent/JPS51144213A/ja
Publication of JPS5737931B2 publication Critical patent/JPS5737931B2/ja
Granted 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
    • G11B5/09—Digital recording
    • 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

Landscapes

  • Digital Magnetic Recording (AREA)
JP6762775A 1975-06-06 1975-06-06 Current switching-shaped writing in amplification circuit Granted JPS51144213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6762775A JPS51144213A (en) 1975-06-06 1975-06-06 Current switching-shaped writing in amplification circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6762775A JPS51144213A (en) 1975-06-06 1975-06-06 Current switching-shaped writing in amplification circuit

Publications (2)

Publication Number Publication Date
JPS51144213A true JPS51144213A (en) 1976-12-11
JPS5737931B2 JPS5737931B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-08-12

Family

ID=13350396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6762775A Granted JPS51144213A (en) 1975-06-06 1975-06-06 Current switching-shaped writing in amplification circuit

Country Status (1)

Country Link
JP (1) JPS51144213A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131413A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-04-23 1974-12-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131413A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-04-23 1974-12-17

Also Published As

Publication number Publication date
JPS5737931B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-08-12

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