GB304222A - Improvements in or relating to thermionic valve circuits - Google Patents
Improvements in or relating to thermionic valve circuitsInfo
- Publication number
- GB304222A GB304222A GB2755927A GB2755927A GB304222A GB 304222 A GB304222 A GB 304222A GB 2755927 A GB2755927 A GB 2755927A GB 2755927 A GB2755927 A GB 2755927A GB 304222 A GB304222 A GB 304222A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- circuit
- rectifier
- resilient members
- charging
- 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
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
- H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2755927A GB304222A (en) | 1927-10-17 | 1927-10-17 | Improvements in or relating to thermionic valve circuits |
FR659177D FR659177A (fr) | 1927-10-17 | 1928-08-20 | Système de couplage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2755927A GB304222A (en) | 1927-10-17 | 1927-10-17 | Improvements in or relating to thermionic valve circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
GB304222A true GB304222A (en) | 1929-01-17 |
Family
ID=10261577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2755927A Expired GB304222A (en) | 1927-10-17 | 1927-10-17 | Improvements in or relating to thermionic valve circuits |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR659177A (fr) |
GB (1) | GB304222A (fr) |
-
1927
- 1927-10-17 GB GB2755927A patent/GB304222A/en not_active Expired
-
1928
- 1928-08-20 FR FR659177D patent/FR659177A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR659177A (fr) | 1929-06-25 |
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