KR100494311B1 - 모터의회전유무출력장치 - Google Patents
모터의회전유무출력장치 Download PDFInfo
- Publication number
- KR100494311B1 KR100494311B1 KR1019970017289A KR19970017289A KR100494311B1 KR 100494311 B1 KR100494311 B1 KR 100494311B1 KR 1019970017289 A KR1019970017289 A KR 1019970017289A KR 19970017289 A KR19970017289 A KR 19970017289A KR 100494311 B1 KR100494311 B1 KR 100494311B1
- Authority
- KR
- South Korea
- Prior art keywords
- output
- motor
- comparator
- rotation
- output device
- Prior art date
Links
- 238000010586 diagram Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
Claims (1)
- 모터의 회전유무를 출력하는 장치에 있어서,상기 모터의 회전을 검출하기 위한 제2홀센서(12)와;상기 제2홀센서(12)의 출력신호를 디지털 신호로 변환하고, 그 변환된 디지털 신호를 상기 모터의 회전유무 값으로 후단의 중앙처리장치(18)에 제공해주는 제2비교기(14)를 포함하여 구성된 것을 특징으로 하는 모터의 회전유무 출력 장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970017289A KR100494311B1 (ko) | 1997-05-06 | 1997-05-06 | 모터의회전유무출력장치 |
US09/004,201 US6310924B1 (en) | 1997-05-06 | 1998-01-08 | Digital demodulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970017289A KR100494311B1 (ko) | 1997-05-06 | 1997-05-06 | 모터의회전유무출력장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980082392A KR19980082392A (ko) | 1998-12-05 |
KR100494311B1 true KR100494311B1 (ko) | 2005-08-10 |
Family
ID=19504932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970017289A KR100494311B1 (ko) | 1997-05-06 | 1997-05-06 | 모터의회전유무출력장치 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6310924B1 (ko) |
KR (1) | KR100494311B1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BRPI9909676B1 (pt) * | 1998-04-17 | 2015-09-01 | Thomson Licensinc S A | Sistema de pesquisa de deslocamento lnb para produtos dbs |
US7099642B2 (en) * | 2001-11-09 | 2006-08-29 | Qualcomm, Incorporated | Method and apparatus for matching receiver carrier frequency |
KR100466589B1 (ko) * | 2002-02-18 | 2005-01-24 | 한국전자통신연구원 | 디지털 심볼 동기 장치 및 그 방법 |
JP4514616B2 (ja) * | 2005-02-01 | 2010-07-28 | 富士通セミコンダクター株式会社 | 周波数同期または位相同期を自動確立する無線受信装置 |
KR20130068050A (ko) | 2011-12-15 | 2013-06-25 | 한국전자통신연구원 | 홀 센서 신호 발생 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0238194A2 (en) * | 1986-02-18 | 1987-09-23 | Sony Corporation | Methods of and apparatus for recording signals on a disc-shaped recording medium |
JPH02143949A (ja) * | 1988-11-25 | 1990-06-01 | Nec Corp | 光ディスク装置 |
KR920017055A (ko) * | 1991-02-28 | 1992-09-26 | 강진구 | 디지탈 비데오 테이프 레코더의 서보장치 및 방법 |
JPH07262679A (ja) * | 1994-03-22 | 1995-10-13 | Hitachi Ltd | 再生速度制御装置 |
KR950034176A (ko) * | 1994-05-09 | 1995-12-26 | 김광호 | 스핀들모터 제어방법 및 회로 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69217140T2 (de) * | 1991-08-07 | 1997-07-03 | Toshiba Ave Kk | QPSK-Demodulator mit automatischer Frequenznachregelung |
JP2994836B2 (ja) * | 1992-01-30 | 1999-12-27 | 富士通株式会社 | 復調器のafc回路 |
JPH07147529A (ja) * | 1993-06-28 | 1995-06-06 | Hitachi Ltd | 分割帯域信号強度測定法を用いた自動周波数制御装置及び制御方法 |
JPH0787145A (ja) * | 1993-09-16 | 1995-03-31 | Toshiba Corp | Afc回路 |
US6023491A (en) * | 1994-06-21 | 2000-02-08 | Matsushita Electric Industrail Co., Ltd. | Demodulation apparatus performing different frequency control functions using separately provided oscillators |
US5754591A (en) * | 1994-08-03 | 1998-05-19 | Broadcom Corporation | System for, and method of, processing quadrature amplitude modulated signals |
US5673293A (en) * | 1994-09-08 | 1997-09-30 | Hitachi America, Ltd. | Method and apparatus for demodulating QAM and VSB signals |
US5621767A (en) * | 1994-09-30 | 1997-04-15 | Hughes Electronics | Method and device for locking on a carrier signal by dividing frequency band into segments for segment signal quality determination and selecting better signal quality segment |
JP3077881B2 (ja) * | 1995-03-07 | 2000-08-21 | 日本電気株式会社 | 復調方法及び復調装置 |
US5832043A (en) * | 1995-04-03 | 1998-11-03 | Motorola, Inc. | System and method for maintaining continuous phase during up/down conversion of near-zero hertz intermediate frequencies |
US5737694A (en) * | 1995-11-30 | 1998-04-07 | Scientific-Atlanta, Inc. | Highly stable frequency synthesizer loop with feedforward |
US5666084A (en) * | 1995-12-01 | 1997-09-09 | Motorola, Inc. | Multi-level demodulator and VCO circuit |
US5825241A (en) * | 1995-12-11 | 1998-10-20 | Delco Electronics Corporation | Differential demodulator |
US5872815A (en) * | 1996-02-16 | 1999-02-16 | Sarnoff Corporation | Apparatus for generating timing signals for a digital television signal receiver |
US5943363A (en) * | 1996-07-17 | 1999-08-24 | Stanford Telecommunications, Inc. | Digital spread spectrum GPS navigation receiver |
US5987069A (en) * | 1996-12-24 | 1999-11-16 | Gte Government Systems Corporation | Method and apparatus for variably allocating upstream and downstream communication spectra |
-
1997
- 1997-05-06 KR KR1019970017289A patent/KR100494311B1/ko not_active IP Right Cessation
-
1998
- 1998-01-08 US US09/004,201 patent/US6310924B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0238194A2 (en) * | 1986-02-18 | 1987-09-23 | Sony Corporation | Methods of and apparatus for recording signals on a disc-shaped recording medium |
JPH02143949A (ja) * | 1988-11-25 | 1990-06-01 | Nec Corp | 光ディスク装置 |
KR920017055A (ko) * | 1991-02-28 | 1992-09-26 | 강진구 | 디지탈 비데오 테이프 레코더의 서보장치 및 방법 |
JPH07262679A (ja) * | 1994-03-22 | 1995-10-13 | Hitachi Ltd | 再生速度制御装置 |
KR950034176A (ko) * | 1994-05-09 | 1995-12-26 | 김광호 | 스핀들모터 제어방법 및 회로 |
Also Published As
Publication number | Publication date |
---|---|
US6310924B1 (en) | 2001-10-30 |
KR19980082392A (ko) | 1998-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4315200A (en) | Servo control apparatus | |
JPH0378658A (ja) | 適応性回転―測定装置 | |
KR100494311B1 (ko) | 모터의회전유무출력장치 | |
US4511830A (en) | Servo control apparatus | |
US4201472A (en) | Apparatus for converting light signals into digital electrical signals | |
JPH06147922A (ja) | 変位測定装置 | |
EP0166699B1 (en) | Circuit for detecting the passage through zero of the signal generated by an electromagnetic sensor of the phonic wheel type | |
JPS6038658A (ja) | 速度検出装置 | |
JPH0757180A (ja) | 位置検出装置 | |
KR100982696B1 (ko) | 엔코더 및 엔코더 출력 변환기 | |
JPH05240664A (ja) | エンコーダ | |
JPH0717008Y2 (ja) | 速度検出回路装置 | |
JPH01314016A (ja) | デイジタルサーボシステムの入力信号変換方法 | |
JP3453826B2 (ja) | 積分値または平均値を得る演算器 | |
KR0131374B1 (ko) | 위치설정 제어장치의 이동속도 검출회로 | |
SU907439A1 (ru) | Бесконтактный датчик частоты вращени | |
JPS6370118A (ja) | 回転数検出回路 | |
SU1651229A1 (ru) | Цифровой фазометр | |
JPS6277803A (ja) | 車両用速度検知装置 | |
KR890008414Y1 (ko) | 엔코더펄스를 이용한 비동기방식 모터 속도검출회로 | |
KR890001480Y1 (ko) | 직류모우터의 속도 제어회로 | |
JPS6042530Y2 (ja) | アナログ・ディジタル変換装置 | |
RU2057308C1 (ru) | Устройство для определения амплитуды и фазы дисбаланса | |
RU2045006C1 (ru) | Устройство для определения амплитуды и фазы дисбаланса | |
JP3302864B2 (ja) | モータ回転速度検出回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19970506 |
|
PG1501 | Laying open of application | ||
N231 | Notification of change of applicant | ||
PN2301 | Change of applicant |
Patent event date: 20001229 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20020506 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19970506 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20040728 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20050331 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20050531 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20050601 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20071227 Year of fee payment: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20071227 Start annual number: 4 End annual number: 4 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20100410 |