HK5778A - Improvements in or relating to relay circuits - Google Patents
Improvements in or relating to relay circuitsInfo
- Publication number
- HK5778A HK5778A HK57/78A HK5778A HK5778A HK 5778 A HK5778 A HK 5778A HK 57/78 A HK57/78 A HK 57/78A HK 5778 A HK5778 A HK 5778A HK 5778 A HK5778 A HK 5778A
- Authority
- HK
- Hong Kong
- Prior art keywords
- relating
- relay circuits
- relay
- circuits
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/002—Monitoring or fail-safe circuits
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1701174A GB1472275A (en) | 1974-04-18 | 1974-04-18 | Relay circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
HK5778A true HK5778A (en) | 1978-02-03 |
Family
ID=10087619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK57/78A HK5778A (en) | 1974-04-18 | 1978-01-26 | Improvements in or relating to relay circuits |
Country Status (7)
Country | Link |
---|---|
DE (1) | DE2515214A1 (en) |
FR (1) | FR2268345B1 (en) |
GB (1) | GB1472275A (en) |
HK (1) | HK5778A (en) |
IE (1) | IE41228B1 (en) |
IT (1) | IT1065751B (en) |
ZA (1) | ZA752040B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2624913C2 (en) * | 1976-06-03 | 1982-10-07 | Sds-Elektro Gmbh, 8024 Deisenhofen | Circuit arrangement for controlling bistable relays |
DE2760222C2 (en) * | 1977-10-24 | 1991-11-28 | Sds-Elektro Gmbh, 8024 Deisenhofen | Circuit arrangement for controlling a bistable relay |
FR2406884A1 (en) * | 1977-10-24 | 1979-05-18 | Matsushita Electric Works Ltd | Bistable relay control circuit - switches to deactivated state when excitation voltage is removed, with semiconductor switch short-circuiting excitation coil capacitor |
DE2747607C2 (en) * | 1977-10-24 | 1991-05-08 | Sds-Elektro Gmbh, 8024 Deisenhofen | Circuit arrangement for controlling a bistable relay |
FR2498807A1 (en) * | 1981-01-23 | 1982-07-30 | Socapex | Low power consumption monostable relay - has ON=OFF switch coupled to bistable relay by capacitor connected transistor pulse generator |
US5079667A (en) * | 1989-01-26 | 1992-01-07 | Matsushita Electric Works, Ltd. | Relay driving circuit for a latch-in relay |
JP2527041B2 (en) * | 1989-07-31 | 1996-08-21 | 日本電気株式会社 | Power supply circuit |
CA2033534A1 (en) * | 1990-09-10 | 1992-03-11 | Mark Coldebella | Control circuit for a multiple power level solenoid |
-
1974
- 1974-04-18 GB GB1701174A patent/GB1472275A/en not_active Expired
-
1975
- 1975-04-02 ZA ZA00752040A patent/ZA752040B/en unknown
- 1975-04-07 IE IE775/75A patent/IE41228B1/en unknown
- 1975-04-08 DE DE19752515214 patent/DE2515214A1/en active Pending
- 1975-04-14 IT IT22273/75A patent/IT1065751B/en active
- 1975-04-18 FR FR7512062A patent/FR2268345B1/fr not_active Expired
-
1978
- 1978-01-26 HK HK57/78A patent/HK5778A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2515214A1 (en) | 1975-10-30 |
IE41228B1 (en) | 1979-11-21 |
FR2268345A1 (en) | 1975-11-14 |
ZA752040B (en) | 1976-03-31 |
FR2268345B1 (en) | 1978-12-08 |
IE41228L (en) | 1975-10-18 |
IT1065751B (en) | 1985-03-04 |
GB1472275A (en) | 1977-05-04 |
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