FR948214A - Installation télégraphique - Google Patents
Installation télégraphiqueInfo
- Publication number
- FR948214A FR948214A FR948214DA FR948214A FR 948214 A FR948214 A FR 948214A FR 948214D A FR948214D A FR 948214DA FR 948214 A FR948214 A FR 948214A
- Authority
- FR
- France
- Prior art keywords
- telegraph
- installation
- telegraph installation
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H67/00—Electrically-operated selector switches
- H01H67/22—Switches without multi-position wipers
- H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Gear-Shifting Mechanisms (AREA)
- Selective Calling Equipment (AREA)
- Mechanical Operated Clutches (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US599322A US2505728A (en) | 1945-06-14 | 1945-06-14 | Selective signaling system and apparatus |
US15350A US2574138A (en) | 1945-06-14 | 1948-03-17 | Selector mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
FR948214A true FR948214A (fr) | 1949-07-26 |
Family
ID=26687269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR948214D Expired FR948214A (fr) | 1945-06-14 | 1947-06-19 | Installation télégraphique |
Country Status (4)
Country | Link |
---|---|
US (1) | US2574138A (fr) |
BE (1) | BE476007A (fr) |
FR (1) | FR948214A (fr) |
GB (2) | GB652152A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2766318A (en) * | 1949-10-01 | 1956-10-09 | Bell Telephone Labor Inc | Printing telegraph automatic switching system |
US2951893A (en) * | 1953-11-25 | 1960-09-06 | Bell Telephone Labor Inc | Teletypewriter switching system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2117580A (en) * | 1929-07-17 | 1938-05-17 | Union Switch & Signal Co | Remote controlling apparatus |
US1943475A (en) * | 1932-06-14 | 1934-01-16 | American Telephone & Telegraph | System for selective calling of telegraph stations |
US2154547A (en) * | 1935-12-11 | 1939-04-18 | American Telephone & Telegraph | Teletypewriter system |
US2112234A (en) * | 1936-09-09 | 1938-03-29 | Western Electric Co | Teletypewriter system |
US2334205A (en) * | 1940-04-10 | 1943-11-16 | Edward E Kleinschmidt | Selective switching |
US2404814A (en) * | 1945-01-24 | 1946-07-30 | Rca Corp | Selector |
-
0
- BE BE476007D patent/BE476007A/xx unknown
-
1946
- 1946-06-06 GB GB17178/46A patent/GB652152A/en not_active Expired
-
1947
- 1947-06-19 FR FR948214D patent/FR948214A/fr not_active Expired
- 1947-07-04 GB GB17685/47A patent/GB652157A/en not_active Expired
-
1948
- 1948-03-17 US US15350A patent/US2574138A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB652152A (en) | 1951-04-18 |
GB652157A (en) | 1951-04-18 |
US2574138A (en) | 1951-11-06 |
BE476007A (fr) |
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