JPS53127983A - Signal identifier circuit - Google Patents
Signal identifier circuitInfo
- Publication number
- JPS53127983A JPS53127983A JP4288777A JP4288777A JPS53127983A JP S53127983 A JPS53127983 A JP S53127983A JP 4288777 A JP4288777 A JP 4288777A JP 4288777 A JP4288777 A JP 4288777A JP S53127983 A JPS53127983 A JP S53127983A
- Authority
- JP
- Japan
- Prior art keywords
- signal identifier
- identifier circuit
- trouble
- detected
- signal
- 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
- Safety Devices In Control Systems (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Abstract
PURPOSE: To realize a fail safe operation of a signal identifier circuit by constituting same such that a trouble is detected by identifying whether or not an input signal to a differential amplifier therein is continued after elapse of a predetermined period of time in order to stop operation of the load device if a trouble has been detected.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4288777A JPS5828639B2 (en) | 1977-04-13 | 1977-04-13 | signal detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4288777A JPS5828639B2 (en) | 1977-04-13 | 1977-04-13 | signal detection circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53127983A true JPS53127983A (en) | 1978-11-08 |
JPS5828639B2 JPS5828639B2 (en) | 1983-06-17 |
Family
ID=12648537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4288777A Expired JPS5828639B2 (en) | 1977-04-13 | 1977-04-13 | signal detection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5828639B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5682909A (en) * | 1979-10-31 | 1981-07-07 | Valeron Corp | Machine process controller |
-
1977
- 1977-04-13 JP JP4288777A patent/JPS5828639B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5682909A (en) * | 1979-10-31 | 1981-07-07 | Valeron Corp | Machine process controller |
JPH0413723B2 (en) * | 1979-10-31 | 1992-03-10 | Valeron Corp |
Also Published As
Publication number | Publication date |
---|---|
JPS5828639B2 (en) | 1983-06-17 |
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