GB236301A - Improvements in automatic switches for use in telephone systems - Google Patents
Improvements in automatic switches for use in telephone systemsInfo
- Publication number
- GB236301A GB236301A GB923624A GB923624A GB236301A GB 236301 A GB236301 A GB 236301A GB 923624 A GB923624 A GB 923624A GB 923624 A GB923624 A GB 923624A GB 236301 A GB236301 A GB 236301A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shoe
- brushes
- shoes
- contact
- caps
- 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
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000011810 insulating material Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H63/00—Details of electrically-operated selector switches
- H01H63/02—Contacts; Wipers; Connections thereto
- H01H63/04—Contact-making or contact-breaking wipers; Position indicators therefor
Landscapes
- Measuring Leads Or Probes (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL16159D NL16159C (enrdf_load_stackoverflow) | 1924-04-11 | ||
GB923624A GB236301A (en) | 1924-04-11 | 1924-04-11 | Improvements in automatic switches for use in telephone systems |
FR590965D FR590965A (fr) | 1924-04-11 | 1924-12-26 | Perfectionnements aux commutateurs automatiques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB923624A GB236301A (en) | 1924-04-11 | 1924-04-11 | Improvements in automatic switches for use in telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB236301A true GB236301A (en) | 1925-07-09 |
Family
ID=9868005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB923624A Expired GB236301A (en) | 1924-04-11 | 1924-04-11 | Improvements in automatic switches for use in telephone systems |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR590965A (enrdf_load_stackoverflow) |
GB (1) | GB236301A (enrdf_load_stackoverflow) |
NL (1) | NL16159C (enrdf_load_stackoverflow) |
-
0
- NL NL16159D patent/NL16159C/xx active
-
1924
- 1924-04-11 GB GB923624A patent/GB236301A/en not_active Expired
- 1924-12-26 FR FR590965D patent/FR590965A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR590965A (fr) | 1925-06-26 |
NL16159C (enrdf_load_stackoverflow) | 1926-10-15 |
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