IT7947852A0 - Perfezionamento nei sistemi di trascinamento in apparecchi di registrazione e riproduzione a nastro - Google Patents

Perfezionamento nei sistemi di trascinamento in apparecchi di registrazione e riproduzione a nastro

Info

Publication number
IT7947852A0
IT7947852A0 IT7947852A IT4785279A IT7947852A0 IT 7947852 A0 IT7947852 A0 IT 7947852A0 IT 7947852 A IT7947852 A IT 7947852A IT 4785279 A IT4785279 A IT 4785279A IT 7947852 A0 IT7947852 A0 IT 7947852A0
Authority
IT
Italy
Prior art keywords
improvement
tracking systems
tape recording
reproduction equipment
reproduction
Prior art date
Application number
IT7947852A
Other languages
English (en)
Other versions
IT1114077B (it
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25364456&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT7947852(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ampex filed Critical Ampex
Publication of IT7947852A0 publication Critical patent/IT7947852A0/it
Application granted granted Critical
Publication of IT1114077B publication Critical patent/IT1114077B/it

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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/54—Controlling, regulating, or indicating speed by stroboscope; by tachometer
    • 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808—Driving of both record carrier and head
    • 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • 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
    • G11B15/60—Guiding record carrier
    • G11B15/602—Guiding record carrier for track selection, acquisition or following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/005—Reproducing at a different information rate from the information rate of recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
IT47852/79A 1978-02-03 1979-02-01 Perfezionamento nei sistemi di trascinamento in apparecchi di registrazione e riproduzione a nastro IT1114077B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05874739 US4224645B1 (en) 1978-02-03 1978-02-03 Method and apparatus for controlling the movement of a recording medium

Publications (2)

Publication Number Publication Date
IT7947852A0 true IT7947852A0 (it) 1979-02-01
IT1114077B IT1114077B (it) 1986-01-27

Family

ID=25364456

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47852/79A IT1114077B (it) 1978-02-03 1979-02-01 Perfezionamento nei sistemi di trascinamento in apparecchi di registrazione e riproduzione a nastro

Country Status (12)

Country Link
US (1) US4224645B1 (it)
JP (1) JPS54107212A (it)
AT (1) AT388834B (it)
BE (1) BE873901A (it)
CA (1) CA1120148A (it)
DE (1) DE2904009C2 (it)
FR (1) FR2416524A1 (it)
GB (1) GB2013936B (it)
HK (1) HK687A (it)
IT (1) IT1114077B (it)
NL (1) NL174095C (it)
SU (1) SU1105128A3 (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322747A (en) * 1980-07-30 1982-03-30 Rca Corporation Rapid synchronization of information on separate recorded mediums
JPS57140083A (en) * 1981-02-24 1982-08-30 Sony Corp Video signal reproducing device
JPS58104581A (ja) * 1981-12-16 1983-06-22 Akai Electric Co Ltd 可変スピ−ド画像再生操作装置
JPS58125556A (ja) * 1982-01-13 1983-07-26 Fuji Photo Film Co Ltd テ−プ巻取方法
KR920004249B1 (ko) * 1989-06-10 1992-05-30 삼성전자 주식회사 디지탈 오디오 테이프 레코더의 고속 서치방법
US5276569A (en) * 1991-06-26 1994-01-04 Digital Equipment Corporation Spindle controller with startup correction of disk position
US5502602A (en) * 1992-07-21 1996-03-26 Sony Corporation Recording and/reproducing apparatus having no capstan and no pinch roller and method of controlling the same
US5448428A (en) * 1993-04-23 1995-09-05 Quantum Corporation Phase locking a disk drive spindle to a reference signal
US5438464A (en) * 1993-04-23 1995-08-01 Quantum Corporation Synchronization of multiple disk drive spindles
DE19652771A1 (de) * 1996-12-18 1998-06-25 Thomson Brandt Gmbh Adaptive Bandantriebssteuerung in einem Videorecorder
TW468333B (en) * 2000-04-10 2001-12-11 Umax Data Systems Inc Accelerating method for scanner motor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1312853A (en) * 1969-09-30 1973-04-11 Sanyo Electric Co Video tape recorders
DE2059426A1 (de) * 1969-12-05 1971-06-09 Rca Corp Servoeinrichtung fuer den Transport eines Aufzeichnungstraegers od.dgl.
US3639688A (en) * 1970-08-24 1972-02-01 Ibm Servomechanism for incrementing strip record transporting systems
AU4472272A (en) * 1971-07-21 1974-01-24 Imperial Chemical Industries Limited Foam moulding processes
GB1445337A (en) * 1972-08-24 1976-08-11 Independent Broadcastin Author Television systems
DE2316803C2 (de) * 1973-04-04 1975-05-22 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth Anordnung zur automatischen Spursuche bei Schrägspuraufzeichnungen
GB1423683A (en) * 1973-05-02 1976-02-04 Burroughs Corp Magnetic tape transport system and motor drive speed control system
US3900890A (en) * 1974-05-06 1975-08-19 Sperry Rand Corp Speed tolerant recording and recovery system
US3931639A (en) * 1974-07-12 1976-01-06 International Business Machines Corporation Transverse track location device with calibrated stepper motor
JPS5177310A (it) * 1974-12-27 1976-07-05 Matsushita Electric Ind Co Ltd
JPS5255611A (en) * 1975-10-31 1977-05-07 Matsushita Electric Ind Co Ltd Magnetic recording and playback apparatus
US4044389A (en) * 1976-03-19 1977-08-23 Ampex Corporation Method and apparatus for measuring the speed at which a tape was recorded
GB1587798A (en) * 1977-05-31 1981-04-08 Victor Company Of Japan Tape driving system in a recording and/or reproducing apparatus

Also Published As

Publication number Publication date
NL174095B (nl) 1983-11-16
DE2904009C2 (de) 1983-12-01
NL7900879A (nl) 1979-08-07
NL174095C (nl) 1984-04-16
FR2416524B1 (it) 1984-12-28
GB2013936B (en) 1982-09-15
SU1105128A3 (ru) 1984-07-23
US4224645A (en) 1980-09-23
FR2416524A1 (fr) 1979-08-31
BE873901A (fr) 1979-05-29
AT388834B (de) 1989-09-11
US4224645B1 (en) 1999-08-03
CA1120148A (en) 1982-03-16
DE2904009A1 (de) 1979-08-23
GB2013936A (en) 1979-08-15
ATA79979A (de) 1989-01-15
HK687A (en) 1987-01-09
JPS54107212A (en) 1979-08-22
IT1114077B (it) 1986-01-27

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