KR920702077A - 제어회로 - Google Patents
제어회로Info
- Publication number
- KR920702077A KR920702077A KR1019910701371A KR910701371A KR920702077A KR 920702077 A KR920702077 A KR 920702077A KR 1019910701371 A KR1019910701371 A KR 1019910701371A KR 910701371 A KR910701371 A KR 910701371A KR 920702077 A KR920702077 A KR 920702077A
- Authority
- KR
- South Korea
- Prior art keywords
- control circuit
- changeover switch
- voltage
- control range
- switch
- Prior art date
Links
- 230000007423 decrease Effects 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 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
- Engineering & Computer Science (AREA)
- Power Engineering (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)
- Massaging Devices (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Electrotherapy Devices (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Control Of Velocity Or Acceleration (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 공지의 제어회로, 제2도는 본 발명에 따라 형성된 제어회로, 제3,4도는 제2도에 따른 회로의 작용에 관한 다이어그램.
Claims (7)
- 편차로부터 얻어진 펄스폭 변조된 신호(3)는 2개의 서로 다른 높은 직류전압 (+U, -U)사이에서 전환 스위치(4)의출력을 전환 스위칭하며 또한 출력은 아날로그 제어전압(Ur)을 제공하는 저역필터(5)의 입력과 연결되어 있는 제어 회로에 있어서, 저역필터(5)의 입력은 편차(f1,f2)에 따라 동작하는 선택스위치(7)를 거쳐 펄스폭 변조된 동일신호(3)에 의해 제어된 제2의 전환스위치(4b)의 출력에 스위칭될 수 있으며, 다른 크기(±8V)의 직류전압이 제1의 전환스위치(4a)로 부터 상기 전환스위치(4b)에 인가되는 것을 특징으로 하는 제어회로.
- 제1항에 있어서, 전환스위치(4a,4b)의 각각의 입력에 인가된 2개의 직류전압 (±1V;±8V)가 반대부호의 동일값을 가지는 것을 특징으로 하는 제어회로.
- 제1항에 있어서, 인가된 작은 직류전압(±1V)을 가지는 제1의 전환스위치(4a)가 100%의펄스폭변조 및 작은 주파수편차(±f1)에 대한 미세 제어범위를 위해 제공되며 인가된 더 큰 직류전압(±8V)를 가지는 제2의 전환스위치(4b)가 100%펄스폭 변조 및 큰 주파수 편차를 가지는 개략 제어범위(B2)를 위해 제공되는 것을 특징으로 하는 제어회로.
- 제3항에 있어서, 미세제어범위(B1)로 부터 개략제어범위(B2)로의 전이점(P)에서 PWM의 변조 깊이는, 만들어진 아날로그 제어전압(Ur)의 연속파형이 2개의 제어범위(B1,B2)에 걸쳐 발생하도록 효과적인 각각의 전환스위치(4a,4b)에 인가된 직류전압(1V,8V)의 상승에 따라 감소되는 것을 특징으로 하는 제어회로.
- 제1항에 있어서, 2개의 전환스위치(4a,4b)와 선택스위치(7)는, 다른 높은 직류전압(1V,8V)이 선택적으로 입력에 인가되는 그 입력을 가진 전환스위치로 바뀔수 있는 것을 특징으로 하는 제어회로.
- 제1항에 있어서, 전환스위치(4a)에 의해 형성된 미세제어범위(B1)의 위치는 다른 전환 스위치(4b)에 의해 형성된 개략제어범위(B2)내의 알맞은 장소에 놓이는 것을 특징으로 하는 제어회로.
- 제6항에 있어서, 미세제어범위(B1)의 폭과 분해능은 개략제어범위(B2)에 비해 작은 것을 특징으로 하는 제어회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3912837A DE3912837A1 (de) | 1989-04-19 | 1989-04-19 | Regelschaltung |
DEP39128377 | 1989-04-19 | ||
DEP3912837.7 | 1989-04-19 | ||
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 (2)
Publication Number | Publication Date |
---|---|
KR920702077A true KR920702077A (ko) | 1992-08-12 |
KR0151596B1 KR0151596B1 (ko) | 1998-12-15 |
Family
ID=40386227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910701371A KR0151596B1 (ko) | 1989-04-19 | 1990-04-10 | 제어회로 |
Country Status (15)
Country | Link |
---|---|
US (1) | US5298812A (ko) |
EP (1) | EP0468989B1 (ko) |
JP (1) | JP2877949B2 (ko) |
KR (1) | KR0151596B1 (ko) |
CN (1) | CN1019339B (ko) |
AT (1) | ATE91203T1 (ko) |
AU (1) | AU5402390A (ko) |
DD (1) | DD293906A5 (ko) |
DE (2) | DE3912837A1 (ko) |
DK (1) | DK0468989T3 (ko) |
ES (1) | ES2043368T3 (ko) |
HK (1) | HK120894A (ko) |
SG (2) | SG121594G (ko) |
TR (1) | TR25489A (ko) |
WO (1) | WO1990013172A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101004790B1 (ko) * | 2009-07-13 | 2011-01-04 | 엘아이지넥스원 주식회사 | 신호 컨버팅 장치 |
Families Citing this family (11)
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 |
KR20010092257A (ko) * | 1999-01-25 | 2001-10-24 | 마츠시타 덴끼 산교 가부시키가이샤 | 디스크 장치 |
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 |
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*** |
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***激励信号源 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
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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 DE DE9090905508T patent/DE59001894D1/de not_active Expired - Lifetime
- 1990-04-10 ES ES90905508T patent/ES2043368T3/es not_active Expired - Lifetime
- 1990-04-10 AU AU54023/90A patent/AU5402390A/en not_active Abandoned
- 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 AT AT90905508T patent/ATE91203T1/de not_active IP Right Cessation
- 1990-04-10 WO PCT/EP1990/000560 patent/WO1990013172A1/de active IP Right Grant
- 1990-04-10 DK DK90905508.9T patent/DK0468989T3/da active
- 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
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101004790B1 (ko) * | 2009-07-13 | 2011-01-04 | 엘아이지넥스원 주식회사 | 신호 컨버팅 장치 |
Also Published As
Publication number | Publication date |
---|---|
HK120894A (en) | 1994-11-11 |
SG121594G (en) | 1995-01-13 |
DD293906A5 (de) | 1991-09-12 |
CN1046633A (zh) | 1990-10-31 |
US5298812A (en) | 1994-03-29 |
ATE91203T1 (de) | 1993-07-15 |
EP0468989B1 (de) | 1993-06-30 |
DK0468989T3 (da) | 1993-08-30 |
EP0468989A1 (de) | 1992-02-05 |
DE3912837A1 (de) | 1990-10-25 |
WO1990013172A1 (de) | 1990-11-01 |
JPH04504798A (ja) | 1992-08-20 |
TR25489A (tr) | 1993-05-01 |
SG138894G (en) | 1995-01-13 |
AU5402390A (en) | 1990-11-16 |
KR0151596B1 (ko) | 1998-12-15 |
CN1019339B (zh) | 1992-12-02 |
ES2043368T3 (es) | 1993-12-16 |
JP2877949B2 (ja) | 1999-04-05 |
DE59001894D1 (de) | 1993-08-05 |
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Legal Events
Date | Code | Title | Description |
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A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20090609 Year of fee payment: 12 |
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LAPS | Lapse due to unpaid annual fee |