DE2800499A1 - Video-magnetbandgeraet - Google Patents

Video-magnetbandgeraet

Info

Publication number
DE2800499A1
DE2800499A1 DE19782800499 DE2800499A DE2800499A1 DE 2800499 A1 DE2800499 A1 DE 2800499A1 DE 19782800499 DE19782800499 DE 19782800499 DE 2800499 A DE2800499 A DE 2800499A DE 2800499 A1 DE2800499 A1 DE 2800499A1
Authority
DE
Germany
Prior art keywords
speed
signal
circuit
motor
servo circuit
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
DE19782800499
Other languages
German (de)
English (en)
Other versions
DE2800499C2 (US20100223739A1-20100909-C00005.png
Inventor
Isao Saito
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.)
Sony Corp
Original Assignee
Sony 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
Priority claimed from JP1977000499U external-priority patent/JPS581866Y2/ja
Priority claimed from JP49777U external-priority patent/JPS5647800Y2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE2800499A1 publication Critical patent/DE2800499A1/de
Application granted granted Critical
Publication of DE2800499C2 publication Critical patent/DE2800499C2/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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808—Driving of both record carrier and head

Landscapes

  • Control Of Electric Motors In General (AREA)
  • Television Signal Processing For Recording (AREA)
  • Control Of Multiple Motors (AREA)
DE19782800499 1977-01-08 1978-01-05 Video-magnetbandgeraet Granted DE2800499A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1977000499U JPS581866Y2 (ja) 1977-01-08 1977-01-08 磁気テ−プ走行制御装置
JP49777U JPS5647800Y2 (US20100223739A1-20100909-C00005.png) 1977-01-08 1977-01-08

Publications (2)

Publication Number Publication Date
DE2800499A1 true DE2800499A1 (de) 1978-07-13
DE2800499C2 DE2800499C2 (US20100223739A1-20100909-C00005.png) 1987-10-15

Family

ID=26333489

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782800499 Granted DE2800499A1 (de) 1977-01-08 1978-01-05 Video-magnetbandgeraet

Country Status (8)

Country Link
US (1) US4161002A (US20100223739A1-20100909-C00005.png)
AT (1) AT378299B (US20100223739A1-20100909-C00005.png)
AU (1) AU508779B2 (US20100223739A1-20100909-C00005.png)
CA (1) CA1114498A (US20100223739A1-20100909-C00005.png)
DE (1) DE2800499A1 (US20100223739A1-20100909-C00005.png)
FR (1) FR2377072A1 (US20100223739A1-20100909-C00005.png)
GB (1) GB1557490A (US20100223739A1-20100909-C00005.png)
NL (1) NL192898C (US20100223739A1-20100909-C00005.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058059A1 (en) * 1981-02-04 1982-08-18 Matsushita Electric Industrial Co., Ltd. Video tape recording and reproducing apparatus

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631605A (en) * 1984-09-20 1986-12-23 Ampex Corporation Multiple speed scanner servo system for protecting the heads and tape of helical recorders
US5313344A (en) * 1988-04-28 1994-05-17 Sanyo Electric Co., Ltd. Stand-by mode setting/releasing device for video cassette recorder
JPH06203436A (ja) * 1992-12-28 1994-07-22 Canon Inc 磁気記録装置及び磁気再生装置
JP3397248B2 (ja) * 1993-03-31 2003-04-14 富士写真フイルム株式会社 カメラのパワーセーブ方法
KR0108670Y1 (en) * 1993-12-04 1997-11-19 Lg Semicon Co Ltd Recording mode selection apparatus for vcr
US5452277A (en) * 1993-12-30 1995-09-19 International Business Machines Corporation Adaptive system for optimizing disk drive power consumption
JPH08235761A (ja) * 1994-11-17 1996-09-13 Integral Peripherals Inc ディスク駆動装置における電力節減の方法
US5682273A (en) * 1995-06-30 1997-10-28 International Business Machines Corporation Disk drive for portable computer with adaptive demand-driven power management
US5954820A (en) * 1997-09-26 1999-09-21 International Business Machines Corporation Portable computer with adaptive demand-driven power management
CA2639749A1 (en) 2008-09-23 2010-03-23 Thomas Gradek Hydrocarbon extraction by oleophilic beads from aqueous mixtures

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2328948A1 (de) * 1972-06-05 1973-12-20 Matsushita Electric Ind Co Ltd Videobandgeraet

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1416045A (fr) * 1964-11-13 1965-10-29 Rank Bush Murphy Ltd Montage pour reproduire des signaux de télévision enregistrés sur une bande magnétique
DE1815889B2 (de) * 1968-12-20 1971-08-15 Grundig EMV Elektro Mechanische Versuchsanstalt Max Grundig, 8510 Furth Schaltungsanordnung bei magnetischen aufzeichnungs bez wiedergabegeraeten mit rotierenden magnetkoepfen
GB1301094A (en) * 1969-03-21 1972-12-29 Rca Corp Servo system
DE1963626B2 (de) * 1969-12-19 1971-09-23 Blaupunkt-Werke Gmbh, 3200 Hildesheim Schaltungsanordnung zur regelung der drehzahl und phasenlage eines kopfrades in einem videobandgeraet
JPS5229923Y2 (US20100223739A1-20100909-C00005.png) * 1972-07-27 1977-07-08
JPS524013Y2 (US20100223739A1-20100909-C00005.png) * 1972-09-29 1977-01-27
JPS5631662B2 (US20100223739A1-20100909-C00005.png) * 1974-07-17 1981-07-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2328948A1 (de) * 1972-06-05 1973-12-20 Matsushita Electric Ind Co Ltd Videobandgeraet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058059A1 (en) * 1981-02-04 1982-08-18 Matsushita Electric Industrial Co., Ltd. Video tape recording and reproducing apparatus

Also Published As

Publication number Publication date
FR2377072B1 (US20100223739A1-20100909-C00005.png) 1985-03-22
US4161002A (en) 1979-07-10
ATA10178A (de) 1984-11-15
AT378299B (de) 1985-07-10
CA1114498A (en) 1981-12-15
AU3193177A (en) 1979-06-28
DE2800499C2 (US20100223739A1-20100909-C00005.png) 1987-10-15
FR2377072A1 (fr) 1978-08-04
AU508779B2 (en) 1980-04-03
NL192898B (nl) 1997-12-01
NL192898C (nl) 1998-04-02
GB1557490A (en) 1979-12-12
NL7800259A (nl) 1978-07-11

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

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