KR940003383Y1 - 모터의 회전속도 검출회로 - Google Patents
모터의 회전속도 검출회로 Download PDFInfo
- Publication number
- KR940003383Y1 KR940003383Y1 KR2019880016391U KR880016391U KR940003383Y1 KR 940003383 Y1 KR940003383 Y1 KR 940003383Y1 KR 2019880016391 U KR2019880016391 U KR 2019880016391U KR 880016391 U KR880016391 U KR 880016391U KR 940003383 Y1 KR940003383 Y1 KR 940003383Y1
- Authority
- KR
- South Korea
- Prior art keywords
- amplifier
- output value
- output
- comparing
- comparator
- 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 - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/489—Digital circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Description
Claims (1)
- 모터의 회전속도 검출회로에 있어서, 회전식 엔코더에서 출력된 A상 및 B상의 신호를 입력받아 소정의 직류 전압이 중첩된 정현파 신호를 출력하는 제1증폭기(11)및 제2증폭기(12)와 ; 상기 정현파 신호의 1주기를 8등분하기 위해 비반전 단자에 직류전압이 공통으로 입력되는 제3증폭기(13)와 제4증폭기(14)와, 여기에서 반전단자가 접지된 상기 제3증폭기(13)의 출력이 상기 제4증폭기(14)의 반전단자에 접속되고 ; 상기 제1증폭기(11)의 출력값(a)과 상기 제3증폭기(13)의 출력값(c)를 비교하는 제1비교기(15) ; 상기 제3증폭기(13)의 출력값(a)과 상기제4증폭기(14)의 출력값(d)를 비교하는 제2비교기(16) ; 상기 제2증폭기(12)의 출력값(b)과 상기 제3증폭기(13)의 출력값(c)를 비교하는 제3비교기(17) ; 상기 제2증폭기(12)의 출력값(b)과 상기 제4증폭기(14)의 출력값(d)를 비교하는 제4비교기(18)와 ; 상기 4개의 비교기(18,17,16,15)에서 출력되는 값(Bl,Bh,Al,Ah)을 2진수로 변환된 2비트 값(b0,b1)과 1클럭 지연된 2비트 값(b'0,b'1)에 의해 4배 및 8배의 펄스열과, 2비트값(b0,b1)의 변환순서에 의한 방향값을 출력하는 논리회로(PAL)를 포함하는 모터의 회전속도 검출회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880016391U KR940003383Y1 (ko) | 1988-09-30 | 1988-09-30 | 모터의 회전속도 검출회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880016391U KR940003383Y1 (ko) | 1988-09-30 | 1988-09-30 | 모터의 회전속도 검출회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900007111U KR900007111U (ko) | 1990-04-03 |
KR940003383Y1 true KR940003383Y1 (ko) | 1994-05-23 |
Family
ID=19279991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019880016391U Expired - Fee Related KR940003383Y1 (ko) | 1988-09-30 | 1988-09-30 | 모터의 회전속도 검출회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940003383Y1 (ko) |
-
1988
- 1988-09-30 KR KR2019880016391U patent/KR940003383Y1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR900007111U (ko) | 1990-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19880930 |
|
UG1501 | Laying open of application | ||
A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19910909 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19880930 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
E902 | Notification of reason for refusal | ||
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19940131 |
|
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19940428 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19940730 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19940809 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19940808 |
|
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |