JPS6132967U - Pulse transmission circuit - Google Patents
Pulse transmission circuitInfo
- Publication number
- JPS6132967U JPS6132967U JP11738484U JP11738484U JPS6132967U JP S6132967 U JPS6132967 U JP S6132967U JP 11738484 U JP11738484 U JP 11738484U JP 11738484 U JP11738484 U JP 11738484U JP S6132967 U JPS6132967 U JP S6132967U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- pulse
- edge
- discrimination
- frequency
- 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.)
- Granted
Links
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Manipulation Of Pulses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
・第1図は本考案のパルス伝達回路の一実施例を示すブ
ロック図、第2図〜第4図は同実施例の作動を示すタイ
ムチャート、第5図は従来技術である。
50・・・・・・回転体、1・・・・・・第1パルス発
生器、2・・・・・・第2パルス発生器、11・・・・
・・第1エッジ検出回路、21・・・・・・第2エッジ
検出回路、12・・・・・・第1分周回路、22・・・
・・・第2分周回路、13・・・・・・第1エッジ判別
回路、23・・・・・・第2エッジ判別回路、14・・
・・・・第1ラッチ回路、24・・・・・・第2ラッチ
回路、30・・・・・・弁別回路、31・・・・・・切
換回路。- Fig. 1 is a block diagram showing one embodiment of the pulse transmission circuit of the present invention, Figs. 2 to 4 are time charts showing the operation of the same embodiment, and Fig. 5 is a conventional technique. 50... Rotating body, 1... First pulse generator, 2... Second pulse generator, 11...
...First edge detection circuit, 21...Second edge detection circuit, 12...First frequency dividing circuit, 22...
...Second frequency dividing circuit, 13...First edge discrimination circuit, 23...Second edge discrimination circuit, 14...
...First latch circuit, 24...Second latch circuit, 30...Discrimination circuit, 31...Switching circuit.
Claims (2)
をそれそれ出力する第1および第2パルス発生器を備え
、一方のパルス発生器からのパルスを伝達するパルス伝
達回路において、 前記両パルス発生器からのそれぞれのパルスのエツシを
検出する第1および第2エッジ検出回路と、前記両パル
ス発生器からのそれぞれのパルスを1/n(ただし、n
は1以上の整数)に分周する第1および第2分周回路と
、該第2分周回路からの第2分周パルスの1周期におけ
る第1エッジ検出回路からの第1エッジ信号の有無を判
別する第1エッジ判別回路と、該第1エツシ判別回路か
らの第1判別信号を前記第2分周パルスによりラッチす
る第1ラッチ回路と、前記第1分周回路からの第1分周
パルスの1周期における第2エッジ検出回路からの第2
エツシ信号の有無を判別する第2エッジ判別回−路と、
該第2エッジ判別回路からの第2判別信号を前記第1分
周パルスによりラッチする第2ラッチ回路と、これら両
ラッチ回路からのラツチ出力にもとづいて正常なパルス
発生器を弁別する弁別回路と、該弁別回路からの弁別信
号にもとつき両パルス発生器が正常なときいずれが一方
からのパルスを選択し一方が異常なとき他方からの正常
なパルスを選択する切換回路と、を設けて成るパルス伝
達回路。(1) A pulse transmission circuit that includes first and second pulse generators that output pulses with a frequency corresponding to the rotational speed of one rotating body, and that transmits pulses from one of the pulse generators, first and second edge detection circuits for detecting the edge of each pulse from the pulse generator;
is an integer greater than or equal to 1), and the presence or absence of a first edge signal from the first edge detection circuit in one period of the second frequency-divided pulse from the second frequency divider circuit. a first edge discriminating circuit that discriminates, a first latch circuit that latches a first discrimination signal from the first edge discriminating circuit with the second frequency dividing pulse, and a first frequency dividing circuit from the first frequency dividing circuit. the second edge from the second edge detection circuit during one period of the pulse.
a second edge determination circuit that determines the presence or absence of an edge signal;
a second latch circuit that latches a second discrimination signal from the second edge discrimination circuit using the first frequency-divided pulse; and a discrimination circuit that discriminates a normal pulse generator based on the latch outputs from both of these latch circuits. , and a switching circuit that selects a pulse from one of the pulse generators when both pulse generators are normal, and selects a normal pulse from the other when one of the pulse generators is abnormal, based on the discrimination signal from the discrimination circuit. A pulse transmission circuit consisting of
録請求の範囲第1項記載のパルス伝達回路。(2) The pulse transmission circuit according to claim 1, in which the rotating body is a marine main engine propulsion shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11738484U JPS6132967U (en) | 1984-07-30 | 1984-07-30 | Pulse transmission circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11738484U JPS6132967U (en) | 1984-07-30 | 1984-07-30 | Pulse transmission circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6132967U true JPS6132967U (en) | 1986-02-27 |
JPH0225172Y2 JPH0225172Y2 (en) | 1990-07-11 |
Family
ID=30676296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11738484U Granted JPS6132967U (en) | 1984-07-30 | 1984-07-30 | Pulse transmission circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6132967U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2006051590A1 (en) * | 2004-11-11 | 2008-05-29 | 株式会社日立製作所 | Rotation detector |
-
1984
- 1984-07-30 JP JP11738484U patent/JPS6132967U/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2006051590A1 (en) * | 2004-11-11 | 2008-05-29 | 株式会社日立製作所 | Rotation detector |
Also Published As
Publication number | Publication date |
---|---|
JPH0225172Y2 (en) | 1990-07-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0181379B1 (en) | Pulse detector for missing or extra pulses | |
JPS6347105Y2 (en) | ||
EP0089171B1 (en) | Quadrature tach decoder circuit | |
JPS6132967U (en) | Pulse transmission circuit | |
US4599600A (en) | Conversion of quadrature signals into counter control pulses | |
JPH0527176B2 (en) | ||
JPS594398Y2 (en) | alarm device | |
SU1169125A1 (en) | Digital electric drive | |
SU720779A1 (en) | Digital frequency detector | |
JPS61202548A (en) | Data demodulation system | |
JPS58183096U (en) | Servo motor control circuit | |
JPS606700U (en) | Elastic joint monitoring device for ship's main shaft system | |
JPS58100495U (en) | Inverter gate signal generation circuit | |
JPS5859232U (en) | Rotating pulse generator | |
JPH01128252A (en) | Head switching signal preparing circuit | |
JPS57187662A (en) | Signal discriminator | |
JPS59170212U (en) | Load position detection device using resolver | |
JPH0535505B2 (en) | ||
JPS58102831U (en) | Clutch slip warning device | |
JPS59135415U (en) | Rotation detection circuit to prevent false counting | |
JPS6145324A (en) | Data transfer system | |
JPS58169513U (en) | Inclinometer | |
JPH0467701B2 (en) | ||
JPH0828703B2 (en) | Signal transmission circuit | |
JPS5859234U (en) | Rotating pulse generator |