JPS5247780A - Revolution detecting device - Google Patents
Revolution detecting deviceInfo
- Publication number
- JPS5247780A JPS5247780A JP12342275A JP12342275A JPS5247780A JP S5247780 A JPS5247780 A JP S5247780A JP 12342275 A JP12342275 A JP 12342275A JP 12342275 A JP12342275 A JP 12342275A JP S5247780 A JPS5247780 A JP S5247780A
- Authority
- JP
- Japan
- Prior art keywords
- detecting device
- revolution detecting
- revolution
- abnormality
- occurence
- 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.)
- Pending
Links
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
PURPOSE: To transmit and abnormality signal to a revolution detecting system in the event of occurence of abnormality, thereby obtaining an optical revolution detecting device that secures safe operation of servo-mechanisms, etc.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12342275A JPS5247780A (en) | 1975-10-14 | 1975-10-14 | Revolution detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12342275A JPS5247780A (en) | 1975-10-14 | 1975-10-14 | Revolution detecting device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5247780A true JPS5247780A (en) | 1977-04-15 |
Family
ID=14860152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12342275A Pending JPS5247780A (en) | 1975-10-14 | 1975-10-14 | Revolution detecting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5247780A (en) |
-
1975
- 1975-10-14 JP JP12342275A patent/JPS5247780A/en active Pending
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