HK120894A - Control circuit - Google Patents
Control circuitInfo
- Publication number
- HK120894A HK120894A HK120894A HK120894A HK120894A HK 120894 A HK120894 A HK 120894A HK 120894 A HK120894 A HK 120894A HK 120894 A HK120894 A HK 120894A HK 120894 A HK120894 A HK 120894A
- Authority
- HK
- Hong Kong
- Prior art keywords
- disc
- signal
- delta
- factor
- pickup device
- Prior art date
Links
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/24—Arrangements for providing constant relative speed between record carrier and head
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
- H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means
- H03D13/004—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means the logic means delivering pulses at more than one terminal, e.g. up and down pulses
Landscapes
- Power Engineering (AREA)
- Engineering & Computer Science (AREA)
- Control Of Electric Motors In General (AREA)
- Feedback Control In General (AREA)
- Selective Calling Equipment (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Rotational Drive Of Disk (AREA)
- Control Of Velocity Or Acceleration (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Massaging Devices (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3912837A DE3912837A1 (de) | 1989-04-19 | 1989-04-19 | Regelschaltung |
PCT/EP1990/000560 WO1990013172A1 (de) | 1989-04-19 | 1990-04-10 | Regelschaltung |
SG121594A SG121594G (en) | 1989-04-19 | 1994-08-23 | Control circuit |
SG138894A SG138894G (en) | 1989-04-19 | 1994-09-30 | Process for the production of dinitrotoluene using an inorganic salt as a phase separation agent |
Publications (1)
Publication Number | Publication Date |
---|---|
HK120894A true HK120894A (en) | 1994-11-11 |
Family
ID=40386227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK120894A HK120894A (en) | 1989-04-19 | 1994-11-03 | Control circuit |
Country Status (15)
Country | Link |
---|---|
US (1) | US5298812A (zh) |
EP (1) | EP0468989B1 (zh) |
JP (1) | JP2877949B2 (zh) |
KR (1) | KR0151596B1 (zh) |
CN (1) | CN1019339B (zh) |
AT (1) | ATE91203T1 (zh) |
AU (1) | AU5402390A (zh) |
DD (1) | DD293906A5 (zh) |
DE (2) | DE3912837A1 (zh) |
DK (1) | DK0468989T3 (zh) |
ES (1) | ES2043368T3 (zh) |
HK (1) | HK120894A (zh) |
SG (2) | SG121594G (zh) |
TR (1) | TR25489A (zh) |
WO (1) | WO1990013172A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07176141A (ja) * | 1993-12-15 | 1995-07-14 | Nippon Columbia Co Ltd | 光ディスク及び光ディスク記録装置 |
KR100329151B1 (ko) * | 1995-04-27 | 2002-11-29 | 삼성전자 주식회사 | 디스크구동기록장치의스핀들모터구동제어회로 |
JP3637437B2 (ja) * | 1998-11-19 | 2005-04-13 | パイオニア株式会社 | 光学式記録媒体のドライブ装置 |
US6597646B1 (en) | 1999-01-25 | 2003-07-22 | Matsushita Electric Industrial Co., Ltd. | Disk device |
TW544669B (en) * | 2000-11-30 | 2003-08-01 | Via Tech Inc | Searching method and device for position of optical pick-up head |
US20080007983A1 (en) * | 2006-06-28 | 2008-01-10 | Honeywell International, Inc. | Frequency-to-voltage converter with analog multiplication |
US8698414B2 (en) * | 2009-04-13 | 2014-04-15 | Microchip Technology Incorporated | High resolution pulse width modulation (PWM) frequency control using a tunable oscillator |
KR101004790B1 (ko) * | 2009-07-13 | 2011-01-04 | 엘아이지넥스원 주식회사 | 신호 컨버팅 장치 |
FR2963510B1 (fr) * | 2010-08-02 | 2012-10-05 | Alstom Transport Sa | Chaine de traction pour un vehicule de transport, notamment ferroviaire, et procede de commande d'une telle chaine |
CN103813602B (zh) * | 2014-02-24 | 2016-01-27 | 福州大学 | 无电极荧光灯调光方法 |
CN104360642B (zh) * | 2014-11-17 | 2018-04-27 | 大族激光科技产业集团股份有限公司 | 一种激光切割机数控系统 |
CN109361379A (zh) * | 2018-09-18 | 2019-02-19 | 天津大学 | 一种基于脉宽调制电路的电磁层析成像系统激励信号源 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2000907C3 (de) * | 1970-01-09 | 1978-05-18 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Phasenvergleichsschaltung, z.B. für einen geregelten Oszillator in einem Fernsehgerät |
US3711641A (en) * | 1971-03-22 | 1973-01-16 | Rca Corp | Velocity adjusting system |
DE2650822C3 (de) * | 1976-11-06 | 1980-03-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Abstimmschaltung für einen Überlagerungsempfänger |
US4167711A (en) * | 1978-05-26 | 1979-09-11 | Motorola, Inc. | Phase detector output stage for phase locked loop |
JPS5671856A (en) * | 1979-11-15 | 1981-06-15 | Sony Corp | Playback device of disc |
US4388713A (en) * | 1979-12-27 | 1983-06-14 | Victor Company Of Japan, Ltd. | Rotation control system in a rotary recording medium reproducing apparatus |
JPS5764371A (en) * | 1980-09-30 | 1982-04-19 | Toshiba Corp | Rotation control system of disk recording medium |
JPS583118A (ja) * | 1981-06-30 | 1983-01-08 | Sony Corp | デイスク再生装置の波形変換回路 |
JPS58130631A (ja) * | 1982-01-28 | 1983-08-04 | Fujitsu Ltd | フエイズロツクドル−プ |
JPS58186385A (ja) * | 1982-04-21 | 1983-10-31 | Hitachi Ltd | 周波数電圧変換装置 |
JPS59185071A (ja) * | 1983-04-04 | 1984-10-20 | Hitachi Ltd | 情報記録デイスクの再生速度制御装置 |
US4660100A (en) * | 1983-05-12 | 1987-04-21 | Victor Company Of Japan, Ltd. | Rotary recording medium reproducing apparatus for reproducing pre-recorded signals from a rotary recording medium having track turns recorded with digital signal and track turns recorded with analog signal |
US4745372A (en) * | 1985-10-17 | 1988-05-17 | Matsushita Electric Industrial Co., Ltd. | Phase-locked-loop circuit having a charge pump |
JPH0787362B2 (ja) * | 1986-03-17 | 1995-09-20 | 日本電気株式会社 | 位相同期ル−プ |
CA1284361C (en) * | 1986-08-29 | 1991-05-21 | Mitel Corporation | Analog phase locked loop |
JPS63154087A (ja) * | 1986-12-16 | 1988-06-27 | Canon Inc | モ−タの制御装置 |
JPH02231989A (ja) * | 1989-03-03 | 1990-09-13 | Sharp Corp | モータ制御方法 |
SE8903799D0 (sv) * | 1989-11-13 | 1989-11-13 | Ericsson Telefon Ab L M | Foerfarande och anordning foer att variera slingbandbredden hos en faslaast slinga |
US5081427A (en) * | 1990-11-29 | 1992-01-14 | Motorola, Inc. | Fast lock time phase locked loop |
US5121085A (en) * | 1991-06-28 | 1992-06-09 | Digital Equipment Corporation | Dual-charge-pump bandwidth-switched phase-locked loop |
-
1989
- 1989-04-19 DE DE3912837A patent/DE3912837A1/de not_active Withdrawn
-
1990
- 1990-04-10 KR KR1019910701371A patent/KR0151596B1/ko not_active IP Right Cessation
- 1990-04-10 JP JP2505610A patent/JP2877949B2/ja not_active Expired - Lifetime
- 1990-04-10 EP EP90905508A patent/EP0468989B1/de not_active Expired - Lifetime
- 1990-04-10 ES ES90905508T patent/ES2043368T3/es not_active Expired - Lifetime
- 1990-04-10 DE DE9090905508T patent/DE59001894D1/de not_active Expired - Lifetime
- 1990-04-10 DK DK90905508.9T patent/DK0468989T3/da active
- 1990-04-10 AT AT90905508T patent/ATE91203T1/de not_active IP Right Cessation
- 1990-04-10 AU AU54023/90A patent/AU5402390A/en not_active Abandoned
- 1990-04-10 WO PCT/EP1990/000560 patent/WO1990013172A1/de active IP Right Grant
- 1990-04-11 TR TR90/0329A patent/TR25489A/xx unknown
- 1990-04-17 DD DD90339802A patent/DD293906A5/de not_active IP Right Cessation
- 1990-04-18 CN CN90102191A patent/CN1019339B/zh not_active Expired
-
1991
- 1991-10-18 US US07/779,719 patent/US5298812A/en not_active Expired - Lifetime
-
1994
- 1994-08-23 SG SG121594A patent/SG121594G/en unknown
- 1994-09-30 SG SG138894A patent/SG138894G/en unknown
- 1994-11-03 HK HK120894A patent/HK120894A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2877949B2 (ja) | 1999-04-05 |
TR25489A (tr) | 1993-05-01 |
DD293906A5 (de) | 1991-09-12 |
EP0468989A1 (de) | 1992-02-05 |
DK0468989T3 (da) | 1993-08-30 |
SG121594G (en) | 1995-01-13 |
DE3912837A1 (de) | 1990-10-25 |
CN1046633A (zh) | 1990-10-31 |
AU5402390A (en) | 1990-11-16 |
KR920702077A (ko) | 1992-08-12 |
ATE91203T1 (de) | 1993-07-15 |
EP0468989B1 (de) | 1993-06-30 |
DE59001894D1 (de) | 1993-08-05 |
WO1990013172A1 (de) | 1990-11-01 |
SG138894G (en) | 1995-01-13 |
ES2043368T3 (es) | 1993-12-16 |
KR0151596B1 (ko) | 1998-12-15 |
JPH04504798A (ja) | 1992-08-20 |
US5298812A (en) | 1994-03-29 |
CN1019339B (zh) | 1992-12-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SG121594G (en) | Control circuit | |
EP0381314A3 (en) | Servo circuit | |
JPS53135306A (en) | Linearly moving type tone arm device | |
JPS5412816A (en) | Isolinear velocity controller of rotary recording media | |
GB1527834A (en) | Photometry | |
JPS5769423A (en) | Rotation controller | |
JPS5541582A (en) | Speed servo control system | |
JPS6428047A (en) | Vehicle mounted touch switch device | |
JPS54146607A (en) | Tone-arm device | |
JPS5720970A (en) | Control system for magnetic head position | |
JPS5755567A (en) | Tracking controller | |
JPS55112570A (en) | Position detector | |
JPS5387203A (en) | Stabilizing system for rotary mirror in optical information recorder/reproducer | |
JPS5667409A (en) | Locating motor driving control system | |
JPS53110496A (en) | Auotmatic tracking apparatus of antenna | |
JPS6443849A (en) | Medium driving system for optical recording/reproducing device | |
JPS5512528A (en) | Drive unit of positioner | |
JPS56145551A (en) | Tape speed control device of video tape recorder | |
JPS57189587A (en) | Controlling circuit for motor | |
JPS641169A (en) | Optical disk device | |
JPS57203262A (en) | Magnetic disc device | |
JPS5515375A (en) | Signal controlling apparatus for car | |
JPS5730144A (en) | Disk motor driving circuit for video disk player | |
JPS554742A (en) | Integrated circuit for small-size tape recorder | |
JPS6485585A (en) | Ultrasonic motor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PE | Patent expired |
Effective date: 20100409 |