JPS477076A - - Google Patents
Info
- Publication number
- JPS477076A JPS477076A JP7374771A JP7374771A JPS477076A JP S477076 A JPS477076 A JP S477076A JP 7374771 A JP7374771 A JP 7374771A JP 7374771 A JP7374771 A JP 7374771A JP S477076 A JPS477076 A JP S477076A
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/181—Prevention or correction of operating errors due to failing power supply
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702046945 DE2046945C (en) | 1970-09-23 | Electronic switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS477076A true JPS477076A (en) | 1972-04-18 |
Family
ID=5783212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7374771A Pending JPS477076A (en) | 1970-09-23 | 1971-09-21 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS477076A (en) |
| AU (1) | AU467455B2 (en) |
| IT (1) | IT938789B (en) |
| NL (1) | NL170565C (en) |
| SE (1) | SE378958B (en) |
-
1971
- 1971-09-07 AU AU33183/71A patent/AU467455B2/en not_active Expired
- 1971-09-20 NL NLAANVRAGE7112902,A patent/NL170565C/en not_active IP Right Cessation
- 1971-09-21 JP JP7374771A patent/JPS477076A/ja active Pending
- 1971-09-22 IT IT28906/71A patent/IT938789B/en active
- 1971-09-22 SE SE7111977A patent/SE378958B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU3318371A (en) | 1973-03-15 |
| SE378958B (en) | 1975-09-15 |
| NL7112902A (en) | 1972-03-27 |
| NL170565C (en) | 1982-11-16 |
| NL170565B (en) | 1982-06-16 |
| IT938789B (en) | 1973-02-10 |
| DE2046945B1 (en) | 1972-06-08 |
| AU467455B2 (en) | 1975-12-04 |