DE3201935A1 - Videorecorder mit selbsttaetiger band-endabschaltung - Google Patents

Videorecorder mit selbsttaetiger band-endabschaltung

Info

Publication number
DE3201935A1
DE3201935A1 DE19823201935 DE3201935A DE3201935A1 DE 3201935 A1 DE3201935 A1 DE 3201935A1 DE 19823201935 DE19823201935 DE 19823201935 DE 3201935 A DE3201935 A DE 3201935A DE 3201935 A1 DE3201935 A1 DE 3201935A1
Authority
DE
Germany
Prior art keywords
tape
control circuit
video recorder
low
automatic end
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
DE19823201935
Other languages
German (de)
English (en)
Other versions
DE3201935C2 (enrdf_load_stackoverflow
Inventor
Hans-Jürgen Ing. grad. 3008 Garbsen Kluth
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.)
Deutsche Thomson OHG
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to DE19823201935 priority Critical patent/DE3201935A1/de
Publication of DE3201935A1 publication Critical patent/DE3201935A1/de
Application granted granted Critical
Publication of DE3201935C2 publication Critical patent/DE3201935C2/de
Granted 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
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/06—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape
    • G11B15/08—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape by photoelectric sensing

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
DE19823201935 1982-01-22 1982-01-22 Videorecorder mit selbsttaetiger band-endabschaltung Granted DE3201935A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823201935 DE3201935A1 (de) 1982-01-22 1982-01-22 Videorecorder mit selbsttaetiger band-endabschaltung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823201935 DE3201935A1 (de) 1982-01-22 1982-01-22 Videorecorder mit selbsttaetiger band-endabschaltung

Publications (2)

Publication Number Publication Date
DE3201935A1 true DE3201935A1 (de) 1983-08-04
DE3201935C2 DE3201935C2 (enrdf_load_stackoverflow) 1989-05-24

Family

ID=6153661

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823201935 Granted DE3201935A1 (de) 1982-01-22 1982-01-22 Videorecorder mit selbsttaetiger band-endabschaltung

Country Status (1)

Country Link
DE (1) DE3201935A1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6606220B1 (en) * 1999-06-11 2003-08-12 Quantum Corporation Systems and methods for providing beginning-of-tape and end-of-tape indicators
US6980390B2 (en) 2003-02-05 2005-12-27 Quantum Corporation Magnetic media with embedded optical servo tracks
US7187515B2 (en) 2003-02-05 2007-03-06 Quantum Corporation Method and system for tracking magnetic media with embedded optical servo tracks

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2249656B (en) * 1990-11-12 1994-09-28 Daewoo Electronics Co Ltd A multi-deck video cassette recorder system
DE4123012A1 (de) * 1991-07-11 1993-01-14 Klaus Zeiske Video-ueberwachungseinrichtung
GB2335785B (en) 1998-03-24 2002-09-18 Quantum Corp Multi-channel magnetic tape system having optical tracking servo
US7153366B1 (en) 1998-03-24 2006-12-26 Quantum Corporation Systems and method for forming a servo pattern on a magnetic tape
US7029726B1 (en) 1999-07-27 2006-04-18 Quantum Corporation Method for forming a servo pattern on a magnetic tape
AU2441099A (en) 1999-02-16 2000-09-04 Quantum Corporation Method of writing servo signal on magnetic tape
EP1205913A4 (en) 1999-02-17 2002-08-14 Quantum Corp METHOD FOR WRITING SERVO SIGNALS ON MAGNETIC TAPE
US6961200B2 (en) 1999-07-27 2005-11-01 Quantum Corporation Optical servo track identification on tape storage media
US6558774B1 (en) 1999-08-17 2003-05-06 Quantum Corporation Multiple-layer backcoating for magnetic tape
US6940676B1 (en) 2000-06-07 2005-09-06 Quantum Corporation Triple push-pull optical tracking system
US6940681B2 (en) 2001-08-20 2005-09-06 Quantum Corporation Optical to magnetic alignment in magnetic tape system
US7023650B2 (en) 2001-11-07 2006-04-04 Quantum Corporation Optical sensor to recording head alignment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656199C3 (de) * 1975-12-13 1980-10-16 Victor Company Of Japan, Ltd., Yokohama, Kanagawa (Japan) Abtastvorrichtung für ein kassettiertes Magnetband

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656199C3 (de) * 1975-12-13 1980-10-16 Victor Company Of Japan, Ltd., Yokohama, Kanagawa (Japan) Abtastvorrichtung für ein kassettiertes Magnetband

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6606220B1 (en) * 1999-06-11 2003-08-12 Quantum Corporation Systems and methods for providing beginning-of-tape and end-of-tape indicators
US6980390B2 (en) 2003-02-05 2005-12-27 Quantum Corporation Magnetic media with embedded optical servo tracks
US7187515B2 (en) 2003-02-05 2007-03-06 Quantum Corporation Method and system for tracking magnetic media with embedded optical servo tracks

Also Published As

Publication number Publication date
DE3201935C2 (enrdf_load_stackoverflow) 1989-05-24

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: TELEFUNKEN FERNSEH UND RUNDFUNK GMBH, 3000 HANNOVE

8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: THOMSON CONSUMER ELECTRONICS SALES GMBH, 30453 HAN

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee