GB260291A - Improvements relating to the control of continuous electro-magnetic interrupters - Google Patents
Improvements relating to the control of continuous electro-magnetic interruptersInfo
- Publication number
- GB260291A GB260291A GB2642626A GB2642626A GB260291A GB 260291 A GB260291 A GB 260291A GB 2642626 A GB2642626 A GB 2642626A GB 2642626 A GB2642626 A GB 2642626A GB 260291 A GB260291 A GB 260291A
- Authority
- GB
- United Kingdom
- Prior art keywords
- grid
- condenser
- potential
- circuit
- resistances
- 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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/288—Modifications for introducing a time delay before switching in tube switches
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
- Toys (AREA)
Abstract
260,291. British Thomson-Houston Co., Ltd., (Assignees of Carter, E. F.). Oct. 22, 1925, [Convention date]. Thermionic valve circuits. - In order to close and open a circuit 3 intermittently, auxiliary contacts 12 on the interrupter are arranged to control the potential of the grid 7 of a threeelectrode thermionic valve through which the actuating coil 4 is supplied, and the charging of a condenser 10 across the grid circuit serves to determine the time-interval between opening and closing. With the arrangement as shown, the negative potential on the grid is gradually decreasing owing to the discharge of the condenser 10 through the resistance 11. When the potential is low enough the valve is " open," that is to say it conducts, and, in consequence, the winding 4 is energized and the circuit 3 is completed by the bridge 2. The condenser is now connected to the suorce 19 and is charged at a rate depending on the adjustment of the resistances 11, 20. The grid gradually assumes a potential which causes it to " shut," whereupon the relay opens again. This action is continuous, the timing being dependent on the adjustments of the resistances. An auxiliary relay 15 which closes when the bridge 2 closes (by current supplied from the filament battery) is employed to ensure that the full voltage 19 is applied to the condenser during the latter part of the charging period.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6427625 US1819869A (en) | 1925-10-22 | 1925-10-22 | Control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB260291A true GB260291A (en) | 1927-09-08 |
Family
ID=22054790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2642626A Expired GB260291A (en) | 1925-10-22 | 1926-10-22 | Improvements relating to the control of continuous electro-magnetic interrupters |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1819869A (en) |
| GB (1) | GB260291A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2461266A (en) * | 1946-05-31 | 1949-02-08 | Godwin R F Gay | Timing device |
| US2563828A (en) * | 1945-10-16 | 1951-08-14 | Joseph A Fahrner | Electronic timing device |
| US2581158A (en) * | 1949-05-05 | 1952-01-01 | Servo Corp Of America | Relay-operated amplifier |
| US2927254A (en) * | 1955-10-04 | 1960-03-01 | Gen Telephone Lab Inc | Impulse generator with impulse relay |
-
1925
- 1925-10-22 US US6427625 patent/US1819869A/en not_active Expired - Lifetime
-
1926
- 1926-10-22 GB GB2642626A patent/GB260291A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2563828A (en) * | 1945-10-16 | 1951-08-14 | Joseph A Fahrner | Electronic timing device |
| US2461266A (en) * | 1946-05-31 | 1949-02-08 | Godwin R F Gay | Timing device |
| US2581158A (en) * | 1949-05-05 | 1952-01-01 | Servo Corp Of America | Relay-operated amplifier |
| US2927254A (en) * | 1955-10-04 | 1960-03-01 | Gen Telephone Lab Inc | Impulse generator with impulse relay |
Also Published As
| Publication number | Publication date |
|---|---|
| US1819869A (en) | 1931-08-18 |
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