FR959685A - - Google Patents
Info
- Publication number
- FR959685A FR959685A FR959685DA FR959685A FR 959685 A FR959685 A FR 959685A FR 959685D A FR959685D A FR 959685DA FR 959685 A FR959685 A FR 959685A
- Authority
- FR
- France
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/10—Intermediate station arrangements, e.g. for branching, for tapping-off
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2421333X | 1941-04-17 | ||
| GB406642A GB553220A (en) | 1942-03-27 | 1942-03-27 | Carrier current communication systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR959685A true FR959685A (es) | 1950-03-31 |
Family
ID=32178827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR959685D Expired FR959685A (es) | 1941-04-17 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2421333A (es) |
| BE (1) | BE446492A (es) |
| FR (1) | FR959685A (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2634334A (en) * | 1948-02-20 | 1953-04-07 | Harry N Kalb | Carrier current communication system |
| US2874220A (en) * | 1952-08-26 | 1959-02-17 | Bell Telephone Labor Inc | Carrier distribution circuit |
| US2767245A (en) * | 1953-04-29 | 1956-10-16 | Kenneth J Guge | Signal level control for transmitters |
| US4187493A (en) * | 1974-11-27 | 1980-02-05 | Texas Instruments Incorporated | Frequency multiplexed seismic cable |
| US4646295A (en) * | 1985-02-04 | 1987-02-24 | Rca Corporation | Frequency-division multiplex communications system having grouped transmitters and receivers |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1313483A (en) * | 1919-08-19 | High-freqttency-carrier telephony | ||
| US1450254A (en) * | 1919-09-26 | 1923-04-03 | American Telephone & Telegraph | Balancing arrangement for multiplex carrier circuits |
| US1542121A (en) * | 1922-04-01 | 1925-06-16 | Western Electric Co | Carrier-wave communicating system |
| US1666651A (en) * | 1922-12-30 | 1928-04-17 | Western Electric Co | Plural channel secrecy system |
| US1579256A (en) * | 1923-11-09 | 1926-04-06 | Western Electric Co | Carrier-wave communicating and switching system |
| US1617392A (en) * | 1924-03-04 | 1927-02-15 | Western Electric Co | Carrier-wave-transmission system |
| US1606131A (en) * | 1925-10-07 | 1926-11-09 | Western Electric Co | Carrier-wave signaling system |
| US1602131A (en) * | 1925-10-12 | 1926-10-05 | F M Poore | Auxiliary draft device |
| NL38451C (es) * | 1929-05-23 | |||
| NL40798C (es) * | 1931-05-21 | |||
| US2009438A (en) * | 1931-07-31 | 1935-07-30 | Bell Telephone Labor Inc | Carrier wave transmission system |
| US2035545A (en) * | 1932-06-18 | 1936-03-31 | American Telephone & Telegraph | Coaxial conductor transmission system |
| US2038202A (en) * | 1933-11-02 | 1936-04-21 | Bell Telephone Labor Inc | Carrier wave system |
| US2034857A (en) * | 1934-04-06 | 1936-03-24 | Bell Telephone Labor Inc | Carrier repeater system |
| US2064907A (en) * | 1934-05-26 | 1936-12-22 | American Telephone & Telegraph | Common medium multichannel exchange system |
| BE420598A (es) * | 1936-04-07 | 1900-01-01 | ||
| US2272613A (en) * | 1940-05-22 | 1942-02-10 | Bell Telephone Labor Inc | Transmission with level equalizing |
-
0
- FR FR959685D patent/FR959685A/fr not_active Expired
- BE BE446492D patent/BE446492A/xx unknown
-
1943
- 1943-04-13 US US482906A patent/US2421333A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE446492A (es) | |
| US2421333A (en) | 1947-05-27 |