DE69133381D1 - Trommelservosystem - Google Patents
TrommelservosystemInfo
- Publication number
- DE69133381D1 DE69133381D1 DE69133381T DE69133381T DE69133381D1 DE 69133381 D1 DE69133381 D1 DE 69133381D1 DE 69133381 T DE69133381 T DE 69133381T DE 69133381 T DE69133381 T DE 69133381T DE 69133381 D1 DE69133381 D1 DE 69133381D1
- Authority
- DE
- Germany
- Prior art keywords
- servo system
- drum servo
- drum
- servo
- 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 - Lifetime
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
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
- G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
-
- 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
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
- G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
- G11B15/4731—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads control of headwheel rotation
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33612690 | 1990-11-30 | ||
JP2336126A JP2536689B2 (ja) | 1990-11-30 | 1990-11-30 | ドラムサ―ボ回路 |
JP3121966A JP2601058B2 (ja) | 1991-03-29 | 1991-03-29 | ドラムサーボシステム |
JP12196691 | 1991-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69133381D1 true DE69133381D1 (de) | 2004-05-19 |
DE69133381T2 DE69133381T2 (de) | 2005-05-04 |
Family
ID=26459204
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69122051T Expired - Lifetime DE69122051T2 (de) | 1990-11-30 | 1991-11-29 | Trommelservosystem |
DE69133381T Expired - Lifetime DE69133381T2 (de) | 1990-11-30 | 1991-11-29 | Trommelservosystem |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69122051T Expired - Lifetime DE69122051T2 (de) | 1990-11-30 | 1991-11-29 | Trommelservosystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US5751509A (de) |
EP (2) | EP0489375B1 (de) |
KR (1) | KR950011518B1 (de) |
DE (2) | DE69122051T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07130092A (ja) * | 1993-11-05 | 1995-05-19 | Sony Corp | ディスク記録装置、ディスク再生装置およびディスク状記録媒体 |
SG34287A1 (en) | 1994-10-28 | 1996-12-06 | Hitachi Ltd | Input-output circuit recording apparatus and reproduction apparatus for digital video signal |
EP1209923B1 (de) * | 1995-04-27 | 2006-05-24 | Hitachi, Ltd. | Verfahren und Vorrichtung zum Empfang und/oder Wiedergabe von digitalen Signalen |
DE60104629T2 (de) | 2001-05-22 | 2005-08-11 | Agilent Technologies Inc., A Delaware Corp., Palo Alto | Polarisationskorrigierte optische Messeinheit |
JP4379031B2 (ja) * | 2003-07-17 | 2009-12-09 | 日本ビクター株式会社 | 情報伝送方式及びそれに用いる情報送信装置及び情報受信装置 |
JP4469758B2 (ja) * | 2005-07-04 | 2010-05-26 | パナソニック株式会社 | 音声処理装置 |
JP5358306B2 (ja) * | 2008-06-17 | 2013-12-04 | パナソニック株式会社 | 撮像装置およびその起動方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5456119A (en) * | 1977-10-11 | 1979-05-04 | Sony Corp | Speed controller for motor |
JPS55153159A (en) * | 1979-05-15 | 1980-11-28 | Sony Corp | Digital signal recorder |
US4296446A (en) * | 1979-11-15 | 1981-10-20 | Rca Corporation | Motor speed control circuit |
JPS56157291A (en) * | 1980-05-06 | 1981-12-04 | Ricoh Co Ltd | Control system for motor |
JPS5845651A (ja) * | 1981-09-07 | 1983-03-16 | Victor Co Of Japan Ltd | ヘツドサ−ボ回路 |
US4550345A (en) * | 1981-12-09 | 1985-10-29 | Hitachi, Ltd. | Magnetic video pilot signal recording/reproducing system |
JPS58186811A (ja) * | 1982-04-26 | 1983-10-31 | Fuji Xerox Co Ltd | 速度制御装置 |
CA1243774A (en) * | 1983-06-15 | 1988-10-25 | Takaharu Noguchi | Pcm signal recording/reproducing apparatus |
JPS60171663A (ja) * | 1984-02-15 | 1985-09-05 | Mitsubishi Electric Corp | 回転ヘツド型磁気記録再生装置 |
JPS60171604A (ja) * | 1984-02-16 | 1985-09-05 | Mitsubishi Electric Corp | 回転ヘツド型記録再生装置 |
JPS6167114A (ja) * | 1984-09-10 | 1986-04-07 | Ntn Toyo Bearing Co Ltd | デイスク線速度一定制御装置 |
DE3584609D1 (de) * | 1984-11-02 | 1991-12-12 | Sony Corp | Geraet zur erzeugung digitaler signale. |
US4807055A (en) * | 1985-09-11 | 1989-02-21 | Pioneer Electronic Corporation | Multi-speed magnetic recording playback |
JPH0650581B2 (ja) * | 1986-10-30 | 1994-06-29 | ロ−ム株式会社 | 磁気テ−プの記録速度自動判別装置 |
US5012352A (en) * | 1987-08-10 | 1991-04-30 | Canon Kabushiki Kaisha | Digital signal recording apparatus time-division multiplexing video and audio signals |
KR970008642B1 (ko) * | 1988-01-30 | 1997-05-27 | 소니 가부시끼가이샤 | 자기 기록 및 플레이백 장치 |
US5130863A (en) * | 1988-04-11 | 1992-07-14 | Canon Kabushiki Kaisha | Digital signal recording apparatus for recording plural kinds of digital information signals having different respective bit rates |
US4872073A (en) * | 1988-09-02 | 1989-10-03 | Ampex Corporation | Apparatus for playback of magnetically recorded data having a variable input rate |
JP2773224B2 (ja) * | 1989-04-18 | 1998-07-09 | ソニー株式会社 | スピンドルサーボ回路 |
JPH03168976A (ja) * | 1989-11-25 | 1991-07-22 | Sony Corp | デイジタル信号記録装置及び再生装置 |
-
1991
- 1991-11-29 DE DE69122051T patent/DE69122051T2/de not_active Expired - Lifetime
- 1991-11-29 DE DE69133381T patent/DE69133381T2/de not_active Expired - Lifetime
- 1991-11-29 EP EP91120619A patent/EP0489375B1/de not_active Expired - Lifetime
- 1991-11-29 EP EP96101855A patent/EP0720165B1/de not_active Expired - Lifetime
- 1991-12-11 KR KR1019910021903A patent/KR950011518B1/ko not_active IP Right Cessation
-
1995
- 1995-06-06 US US08/470,727 patent/US5751509A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR950011518B1 (ko) | 1995-10-05 |
EP0489375A3 (en) | 1993-03-31 |
DE69122051T2 (de) | 1997-02-27 |
EP0720165B1 (de) | 2004-04-14 |
KR920010565A (ko) | 1992-06-26 |
EP0489375A2 (de) | 1992-06-10 |
EP0489375B1 (de) | 1996-09-11 |
EP0720165A3 (de) | 2000-10-25 |
DE69122051D1 (de) | 1996-10-17 |
EP0720165A2 (de) | 1996-07-03 |
DE69133381T2 (de) | 2005-05-04 |
US5751509A (en) | 1998-05-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |