HK7087A - An automatically calibrated rf envelope detector system - Google Patents

An automatically calibrated rf envelope detector system

Info

Publication number
HK7087A
HK7087A HK70/87A HK7087A HK7087A HK 7087 A HK7087 A HK 7087A HK 70/87 A HK70/87 A HK 70/87A HK 7087 A HK7087 A HK 7087A HK 7087 A HK7087 A HK 7087A
Authority
HK
Hong Kong
Prior art keywords
detector system
envelope detector
automatically calibrated
calibrated
automatically
Prior art date
Application number
HK70/87A
Other languages
English (en)
Inventor
Raymond F Ravizza
Original Assignee
Ampex
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 filed Critical Ampex
Publication of HK7087A publication Critical patent/HK7087A/xx

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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
HK70/87A 1978-03-23 1987-01-15 An automatically calibrated rf envelope detector system HK7087A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/889,597 US4197564A (en) 1978-03-23 1978-03-23 Automatically calibrated RF envelope detector circuit

Publications (1)

Publication Number Publication Date
HK7087A true HK7087A (en) 1987-01-23

Family

ID=25395423

Family Applications (1)

Application Number Title Priority Date Filing Date
HK70/87A HK7087A (en) 1978-03-23 1987-01-15 An automatically calibrated rf envelope detector system

Country Status (11)

Country Link
US (1) US4197564A (sl)
JP (1) JPS54163617A (sl)
AT (1) AT380606B (sl)
BE (1) BE875024A (sl)
CA (1) CA1128199A (sl)
DE (1) DE2911083A1 (sl)
FR (1) FR2420891B1 (sl)
GB (1) GB2035731B (sl)
HK (1) HK7087A (sl)
IT (1) IT1115052B (sl)
NL (1) NL181391C (sl)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54138324A (en) * 1978-04-19 1979-10-26 Sony Corp Magnetic recording and reproducing unit
AU539426B2 (en) * 1979-03-15 1984-09-27 Sony Corporation Automatic head height control apparatus
EP0037738B1 (en) * 1980-04-08 1983-08-17 Minnesota Mining And Manufacturing Company Automatic track following feature for helical video recorder
US4470079A (en) * 1981-02-13 1984-09-04 Victor Company Of Japan, Ltd. Tracking control system in a magnetic recording and reproducing apparatus
JPS57170680A (en) * 1981-04-13 1982-10-20 Matsushita Electric Ind Co Ltd Magnetic recorder and reproducer
JPS57203228A (en) * 1981-06-09 1982-12-13 Sony Corp Tracking adjuster
GB2124052B (en) * 1982-05-06 1985-11-13 Questech Ltd Reducing cross-colour in colour television decoding apparatus
US4595960A (en) * 1982-11-03 1986-06-17 Rca Corporation Phase-reversed dithered automatic scan tracking system
US4843496A (en) * 1986-10-29 1989-06-27 Eastman Kodak Company Track-finding servomechanism utilizing the sampled output of an envelope comparison
US5001579A (en) * 1988-05-27 1991-03-19 Eastman Kodak Company Method and apparatus for centering a transducer over a recorded track on a rotary storage medium
US5113525A (en) * 1989-11-06 1992-05-12 Mitsubishi Denki Kabushiki Kaisha Linear-modulation type radio transmitter
JPH04311854A (ja) * 1991-04-11 1992-11-04 Sony Corp トラッキング調整回路
US5243473A (en) * 1991-08-06 1993-09-07 R-Byte, Inc. Automatic helical scan head drum calibration and track timing generation
US5656779A (en) * 1992-12-04 1997-08-12 Trw Inc. Apparatus and method for producing structural and acoustic vibrations
US5774299A (en) * 1996-08-13 1998-06-30 Seagate Technology, Inc. Adaptive calibration of read/write elements in a disc drive
US7240250B2 (en) * 2002-08-29 2007-07-03 Seagate Technology Llc Head degradation characterization for a data storage device
JP4134066B2 (ja) * 2005-02-24 2008-08-13 富士通株式会社 ヘッド位置検出方法および記録媒体駆動装置
JP2007115349A (ja) * 2005-10-20 2007-05-10 Orion Denki Kk リピート再生機能を備えた再生装置及びリピート再生機能実行プログラム及びリピート範囲の再設定方法
US11567549B2 (en) * 2019-05-31 2023-01-31 Texas Instruments Incorporated Reset circuit for battery management system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375331A (en) * 1963-10-21 1968-03-26 Nippon Electric Co System for recording and reproducing a periodic signal
US3585291A (en) * 1967-09-20 1971-06-15 Sony Corp Magnetic recording and reproducing system with tape-to-head speed control
GB1312853A (en) * 1969-09-30 1973-04-11 Sanyo Electric Co Video tape recorders
US3663764A (en) * 1970-04-06 1972-05-16 Ampex Automatic tracking circuit for transverse scan magnetic tape transport
DE2216077C3 (de) * 1972-04-01 1978-04-20 Loewe Opta Gmbh, 1000 Berlin Automatische Spurabtast-Regelschaltung für Video-Magnetband-Aufzeichnungsund Wiedergabegerät
JPS5650329B2 (sl) * 1972-05-22 1981-11-28
JPS5633772B2 (sl) * 1972-12-20 1981-08-06
JPS598891B2 (ja) * 1974-11-26 1984-02-28 ソニー株式会社 回転磁気ヘッド装置
JPS587117B2 (ja) * 1975-10-01 1983-02-08 ソニー株式会社 イロシンゴウシヨリカイロ
US4080636A (en) * 1976-03-19 1978-03-21 Ampex Corporation System for damping vibrations in a deflectable transducer
US4093885A (en) * 1976-03-19 1978-06-06 Ampex Corporation Transducer assembly vibration sensor
US4165523A (en) * 1976-03-19 1979-08-21 Ampex Corporation Automatic scan tracking using an additional sensing means on a bimorph
US4151570A (en) * 1976-03-22 1979-04-24 Ampex Corporation Automatic scan tracking using a magnetic head supported by a piezoelectric bender element
US4099211A (en) * 1976-09-13 1978-07-04 Ampex Corporation Positionable transducing mounting structure and driving system therefor
JPS5466809A (en) * 1977-11-08 1979-05-29 Matsushita Electric Ind Co Ltd Magnetic reproducer

Also Published As

Publication number Publication date
JPS54163617A (en) 1979-12-26
DE2911083C2 (sl) 1987-01-15
FR2420891A1 (fr) 1979-10-19
FR2420891B1 (fr) 1986-09-19
IT7948426A0 (it) 1979-03-21
DE2911083A1 (de) 1979-09-27
BE875024A (fr) 1979-07-16
CA1128199A (en) 1982-07-20
GB2035731B (en) 1982-07-07
NL181391B (nl) 1987-03-02
ATA217179A (de) 1985-10-15
NL181391C (nl) 1987-08-03
AT380606B (de) 1986-06-25
GB2035731A (en) 1980-06-18
NL7902273A (nl) 1979-09-25
IT1115052B (it) 1986-02-03
US4197564A (en) 1980-04-08

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