GB1500395A - Wiping contact relays - Google Patents
Wiping contact relaysInfo
- Publication number
- GB1500395A GB1500395A GB2339775A GB2339775A GB1500395A GB 1500395 A GB1500395 A GB 1500395A GB 2339775 A GB2339775 A GB 2339775A GB 2339775 A GB2339775 A GB 2339775A GB 1500395 A GB1500395 A GB 1500395A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- circuit
- supply voltage
- capacitors
- voltage
- 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.)
- Expired
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
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/226—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil for bistable relays
Landscapes
- Relay Circuits (AREA)
Abstract
1500395 Relay energizing circuit SCHLEICHER GmbH & CO RELAIS-WERKE KG 29 May 1975 [6 June 1974] 23397/75 Heading H3T A relay Re energizing circuit as shown has the property that it energizes the relay momentarily either when a supply voltage Uv is applied to the circuit or when the voltage is removed from the circuit depending upon which of two contact-pairs AN and AB is bridged, respectively. In effect the circuit shown acts as a differentiator causing a positive voltage pulse to be applied across the relay when the supply voltage is connected and a negative voltage pulse when the supply is disconnected, one of these pulses being shunted around the relay by one of the diodes. Connection of the supply voltage Uv, which may be either A.C. or D.C., causes capacitors C3 and C4 to charge via a resistor R1 and either relay winding Re or a diode Gr3. Capacitors C1 and C2 also charge, the potential across C I being limited to about 0À6 v by a diode Gr2, thereby maintaining a transistor T off. With all four capacitors charged disconnection of the supply voltage Uv causes C2, C3 and C4 to discharge initially via a resistor R2 and the baseemitter path of transistor T and then, when T becomes conductive, via R3 which is considerably smaller than R4. A potentiometer R6 varies the relay "on" time.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742427436 DE2427436C2 (en) | 1974-06-06 | Wiping pulse relay with switching and / or switching off function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1500395A true GB1500395A (en) | 1978-02-08 |
Family
ID=5917508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2339775A Expired GB1500395A (en) | 1974-06-06 | 1975-05-29 | Wiping contact relays |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT341042B (en) |
| CH (1) | CH589936A5 (en) |
| FR (1) | FR2274132A1 (en) |
| GB (1) | GB1500395A (en) |
| IT (1) | IT1035941B (en) |
-
1975
- 1975-05-20 CH CH644975A patent/CH589936A5/xx not_active IP Right Cessation
- 1975-05-26 AT AT398275A patent/AT341042B/en not_active IP Right Cessation
- 1975-05-29 GB GB2339775A patent/GB1500395A/en not_active Expired
- 1975-06-04 IT IT4991375A patent/IT1035941B/en active
- 1975-06-05 FR FR7517592A patent/FR2274132A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2274132B1 (en) | 1977-07-08 |
| AT341042B (en) | 1978-01-10 |
| ATA398275A (en) | 1977-05-15 |
| DE2427436B1 (en) | 1975-10-30 |
| DE2427436A1 (en) | 1975-10-30 |
| IT1035941B (en) | 1979-10-20 |
| FR2274132A1 (en) | 1976-01-02 |
| CH589936A5 (en) | 1977-07-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920529 |