JPS5217762A - Monitoring circuit of operating relays condition - Google Patents
Monitoring circuit of operating relays conditionInfo
- Publication number
- JPS5217762A JPS5217762A JP9303575A JP9303575A JPS5217762A JP S5217762 A JPS5217762 A JP S5217762A JP 9303575 A JP9303575 A JP 9303575A JP 9303575 A JP9303575 A JP 9303575A JP S5217762 A JPS5217762 A JP S5217762A
- Authority
- JP
- Japan
- Prior art keywords
- condition
- monitoring circuit
- operating relays
- relays
- operating
- 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
Abstract
PURPOSE: To monitor the condition of the relays in a circuit composed of magnetic relays (used in telephone switch board etc.) by photo-couplers.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9303575A JPS5217762A (en) | 1975-08-01 | 1975-08-01 | Monitoring circuit of operating relays condition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9303575A JPS5217762A (en) | 1975-08-01 | 1975-08-01 | Monitoring circuit of operating relays condition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5217762A true JPS5217762A (en) | 1977-02-09 |
Family
ID=14071226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9303575A Pending JPS5217762A (en) | 1975-08-01 | 1975-08-01 | Monitoring circuit of operating relays condition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5217762A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5427706A (en) * | 1977-08-04 | 1979-03-02 | Fujitsu Ltd | Traffic measurement system |
JPS59149087A (en) * | 1983-02-15 | 1984-08-25 | 松下電器産業株式会社 | Transfer unit for printing curved surface |
JPS61121060U (en) * | 1985-07-04 | 1986-07-30 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4834030B1 (en) * | 1969-05-02 | 1973-10-18 |
-
1975
- 1975-08-01 JP JP9303575A patent/JPS5217762A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4834030B1 (en) * | 1969-05-02 | 1973-10-18 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5427706A (en) * | 1977-08-04 | 1979-03-02 | Fujitsu Ltd | Traffic measurement system |
JPS59149087A (en) * | 1983-02-15 | 1984-08-25 | 松下電器産業株式会社 | Transfer unit for printing curved surface |
JPH032067B2 (en) * | 1983-02-15 | 1991-01-14 | Matsushita Electric Ind Co Ltd | |
JPS61121060U (en) * | 1985-07-04 | 1986-07-30 |
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