FR937953A - Dispositif de signalisation électrique - Google Patents
Dispositif de signalisation électriqueInfo
- Publication number
- FR937953A FR937953A FR937953DA FR937953A FR 937953 A FR937953 A FR 937953A FR 937953D A FR937953D A FR 937953DA FR 937953 A FR937953 A FR 937953A
- Authority
- FR
- France
- Prior art keywords
- signaling device
- electrical signaling
- electrical
- signaling
- 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
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/04—Distributors combined with modulators or demodulators
- H04J3/045—Distributors with CRT
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US461439A US2379221A (en) | 1942-10-09 | 1942-10-09 | Communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR937953A true FR937953A (fr) | 1948-09-01 |
Family
ID=23832564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR937953D Expired FR937953A (fr) | 1942-10-09 | 1946-09-09 | Dispositif de signalisation électrique |
Country Status (3)
Country | Link |
---|---|
US (1) | US2379221A (fr) |
FR (1) | FR937953A (fr) |
GB (1) | GB565314A (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125716A (en) * | 1964-03-17 | Machlis | ||
GB565665A (en) * | 1942-08-06 | 1944-11-21 | Automatic Telephone & Elect | Improvements in telephone systems |
US2492136A (en) * | 1946-03-14 | 1949-12-27 | Fed Telecomm Lab Inc | Electronic telephone exchange |
US2570274A (en) * | 1946-03-14 | 1951-10-09 | Int Standard Electric Corp | Electron beam switching tube and system |
BE486836A (fr) * | 1948-01-16 | |||
US2670405A (en) * | 1948-06-10 | 1954-02-23 | Bell Telephone Labor Inc | Signaling system employing electron beams |
US2521229A (en) * | 1949-06-08 | 1950-09-05 | Nat Union Radio Corp | Electronic time division channel scanning system |
US2609455A (en) * | 1949-11-30 | 1952-09-02 | Bell Telephone Labor Inc | Telephone system |
US2671824A (en) * | 1949-12-02 | 1954-03-09 | Bell Telephone Labor Inc | Electron beam register signaling system |
US2721938A (en) * | 1950-01-27 | 1955-10-25 | Gen Dynamics Corp | Pulse generating means |
US2872518A (en) * | 1951-11-23 | 1959-02-03 | Gen Dynamics Corp | Party line telephone system |
US2868881A (en) * | 1955-05-10 | 1959-01-13 | Gen Dynamics Corp | Electronic telephone system |
EP0717337B1 (fr) * | 1994-12-13 | 2001-08-01 | International Business Machines Corporation | Méthode et système de distribution sécurisé de logiciels |
US10694352B2 (en) | 2015-10-28 | 2020-06-23 | Activision Publishing, Inc. | System and method of using physical objects to control software access |
-
1942
- 1942-10-09 US US461439A patent/US2379221A/en not_active Expired - Lifetime
-
1943
- 1943-08-20 GB GB13593/43A patent/GB565314A/en not_active Expired
-
1946
- 1946-09-09 FR FR937953D patent/FR937953A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB565314A (en) | 1944-11-06 |
US2379221A (en) | 1945-06-26 |
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