CH227863A - Installationsschalter. - Google Patents
Installationsschalter.Info
- Publication number
- CH227863A CH227863A CH227863DA CH227863A CH 227863 A CH227863 A CH 227863A CH 227863D A CH227863D A CH 227863DA CH 227863 A CH227863 A CH 227863A
- Authority
- CH
- Switzerland
- Prior art keywords
- installation switch
- installation
- switch
- Prior art date
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
- H01H19/02—Details
- H01H19/04—Cases; Covers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
- H03F1/542—Replacing by standby devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US203604A US2153528A (en) | 1938-04-22 | 1938-04-22 | Broad band transmission system |
Publications (1)
Publication Number | Publication Date |
---|---|
CH227863A true CH227863A (de) | 1943-07-15 |
Family
ID=22754627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH227863D CH227863A (de) | 1938-04-22 | 1942-05-06 | Installationsschalter. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2153528A (de) |
BE (2) | BE445505A (de) |
CH (1) | CH227863A (de) |
FR (1) | FR853067A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3163809A (en) * | 1961-01-10 | 1964-12-29 | Ling Temco Vought Inc | Random noise system for vibration testing |
-
0
- BE BE433887D patent/BE433887A/xx unknown
- BE BE445505D patent/BE445505A/xx unknown
-
1938
- 1938-04-22 US US203604A patent/US2153528A/en not_active Expired - Lifetime
-
1939
- 1939-04-13 FR FR853067D patent/FR853067A/fr not_active Expired
-
1942
- 1942-05-06 CH CH227863D patent/CH227863A/de unknown
Also Published As
Publication number | Publication date |
---|---|
US2153528A (en) | 1939-04-04 |
BE433887A (de) | |
FR853067A (fr) | 1940-03-09 |
BE445505A (de) |
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