DE3071795D1 - Digitally controlled automatic bias circuit for magnetic recording - Google Patents

Digitally controlled automatic bias circuit for magnetic recording

Info

Publication number
DE3071795D1
DE3071795D1 DE8181900034T DE3071795T DE3071795D1 DE 3071795 D1 DE3071795 D1 DE 3071795D1 DE 8181900034 T DE8181900034 T DE 8181900034T DE 3071795 T DE3071795 T DE 3071795T DE 3071795 D1 DE3071795 D1 DE 3071795D1
Authority
DE
Germany
Prior art keywords
magnetic recording
bias circuit
digitally controlled
controlled automatic
automatic bias
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.)
Expired
Application number
DE8181900034T
Other languages
English (en)
Inventor
Lucas K Tin
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.)
Ampex Corp
Original Assignee
Ampex 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 Ampex Corp filed Critical Ampex Corp
Application granted granted Critical
Publication of DE3071795D1 publication Critical patent/DE3071795D1/de
Expired 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
DE8181900034T 1979-11-01 1980-10-31 Digitally controlled automatic bias circuit for magnetic recording Expired DE3071795D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/090,137 US4280153A (en) 1979-11-01 1979-11-01 Digitally controlled automatic bias circuit for magnetic recording
PCT/US1980/001476 WO1981001342A1 (en) 1979-11-01 1980-10-31 Digitally controlled automatic bias circuit for magnetic recording

Publications (1)

Publication Number Publication Date
DE3071795D1 true DE3071795D1 (en) 1986-11-13

Family

ID=22221487

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181900034T Expired DE3071795D1 (en) 1979-11-01 1980-10-31 Digitally controlled automatic bias circuit for magnetic recording

Country Status (6)

Country Link
US (1) US4280153A (de)
EP (1) EP0038858B1 (de)
JP (1) JPS56501546A (de)
CA (1) CA1150397A (de)
DE (1) DE3071795D1 (de)
WO (1) WO1981001342A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5386326A (en) * 1993-02-25 1995-01-31 Wangtek, Inc. Oscillating erase current circuit
US6122126A (en) * 1993-08-03 2000-09-19 Sony Corporation Digital magnetic reproducing apparatus and digital magnetic recording/reproducing apparatus employing detection of second harmonic distortion and bias current control
KR100562146B1 (ko) 1998-03-04 2006-05-25 삼성전자주식회사 엠.알-바이어스 전류 최적화방법
EP1333427A3 (de) * 2002-01-31 2008-04-30 Texas Instruments Incorporated Schaltung zum Lesen von differentialen Daten einer Platte mittels Spannungsanlegen zur Vorspannung eines Lesekopfes
US9559682B2 (en) * 2015-01-12 2017-01-31 Infineon Technologies Ag Protected switching element
US11385698B1 (en) * 2020-12-30 2022-07-12 Innogrit Technologies Co., Ltd. Voltage drop management for VLSI and SoC

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5751161B2 (de) * 1974-03-12 1982-10-30
US4011585A (en) * 1974-07-12 1977-03-08 Pioneer Electronic Corporation Magnetic recording reproducing system
JPS5276909A (en) * 1975-12-23 1977-06-28 Shin Shirasuna Electric Corp Method of setting bias for magnetic recorder* reproducer
JPS5914808B2 (ja) * 1977-11-28 1984-04-06 國洋電機工業株式会社 磁気ヘツドの最適バイアス電流値自動検出装置
JPS6058527B2 (ja) * 1978-03-01 1985-12-20 パイオニア株式会社 磁気録音再生装置

Also Published As

Publication number Publication date
JPS56501546A (de) 1981-10-22
EP0038858B1 (de) 1986-10-08
EP0038858A1 (de) 1981-11-04
CA1150397A (en) 1983-07-19
EP0038858A4 (de) 1982-03-08
WO1981001342A1 (en) 1981-05-14
US4280153A (en) 1981-07-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee