FR941112A - Système de téléphonie multiplex - Google Patents
Système de téléphonie multiplexInfo
- Publication number
- FR941112A FR941112A FR941112DA FR941112A FR 941112 A FR941112 A FR 941112A FR 941112D A FR941112D A FR 941112DA FR 941112 A FR941112 A FR 941112A
- Authority
- FR
- France
- Prior art keywords
- telephone system
- multiplex telephone
- multiplex
- telephone
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1676—Time-division multiplex with pulse-position, pulse-interval, or pulse-width modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/17—Ground-based stations employing pulse modulation, e.g. pulse code modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/08—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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US506803A US2395467A (en) | 1943-10-19 | 1943-10-19 | Multiplex telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR941112A true FR941112A (fr) | 1949-01-03 |
Family
ID=24016071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR941112D Expired FR941112A (fr) | 1943-10-19 | 1945-08-02 | Système de téléphonie multiplex |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2395467A (enrdf_load_stackoverflow) |
| BE (1) | BE462299A (enrdf_load_stackoverflow) |
| FR (1) | FR941112A (enrdf_load_stackoverflow) |
| GB (1) | GB587489A (enrdf_load_stackoverflow) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736007A (en) * | 1956-02-21 | Teledata system | ||
| US2616977A (en) * | 1952-11-04 | Sheetsxsheet i | ||
| US2406803A (en) * | 1941-12-16 | 1946-09-03 | Standard Telephones Cables Ltd | High-frequency electrical communication system |
| BE477832A (enrdf_load_stackoverflow) * | 1942-03-12 | |||
| US2474244A (en) * | 1944-05-19 | 1949-06-28 | Standard Telephones Cables Ltd | Amplitude modulated time modulated pulse system |
| US2472705A (en) * | 1944-07-17 | 1949-06-07 | John H Homrighous | Time division carrier multiplex telephone system |
| BE479412A (enrdf_load_stackoverflow) * | 1944-08-07 | |||
| BE480306A (enrdf_load_stackoverflow) * | 1945-01-03 | |||
| BE477651A (enrdf_load_stackoverflow) * | 1945-03-01 | |||
| US3924074A (en) * | 1945-05-19 | 1975-12-02 | Bell Telephone Labor Inc | Pulse position modulation key signaling system |
| US2520534A (en) * | 1945-08-18 | 1950-08-29 | Bell Telephone Labor Inc | Multiplex pulse repeater |
| GB604817A (en) * | 1945-12-28 | 1948-07-09 | Standard Telephones Cables Ltd | Improvements relating to multi-channel pulse communication systems |
| BE476632A (enrdf_load_stackoverflow) * | 1945-12-31 | |||
| US3934078A (en) * | 1946-05-01 | 1976-01-20 | Bell Telephone Laboratories, Incorporated | Key generating system |
| US4396801A (en) * | 1946-06-11 | 1983-08-02 | Bell Telephone Laboratories, Incorporated | Multiplex communication system employing pulse code modulation |
| BE479963A (enrdf_load_stackoverflow) * | 1946-06-22 | |||
| US2523703A (en) * | 1946-06-25 | 1950-09-26 | Research Corp | System for transmitting signal modulated pulses |
| US2497411A (en) * | 1946-07-25 | 1950-02-14 | Stromberg Carlson Co | Pulse transmission system |
| US2721899A (en) * | 1946-07-25 | 1955-10-25 | Gen Dynamics Corp | Pulse communication system |
| BE478251A (enrdf_load_stackoverflow) * | 1946-07-27 | |||
| BE477244A (enrdf_load_stackoverflow) * | 1946-08-24 | |||
| US2468703A (en) * | 1946-09-26 | 1949-04-26 | Serdex Inc | Chronometric electronic radiosonde system |
| GB652357A (en) * | 1946-11-21 | 1951-04-25 | Gen Electric Co Ltd | Improvements in and relating to multi-channel signalling systems |
| US2557581A (en) * | 1947-02-15 | 1951-06-19 | Rock Ola Mfg Corp | Remote control system |
| US2610295A (en) * | 1947-10-30 | 1952-09-09 | Bell Telephone Labor Inc | Pulse code modulation communication system |
| US2597038A (en) * | 1947-11-19 | 1952-05-20 | Int Standard Electric Corp | Two-way electric pulse communication system |
| GB680702A (en) * | 1947-12-07 | 1952-10-08 | Standard Telephones Cables Ltd | Mixed modulation in pulsed intercommunication systems |
| US2587734A (en) * | 1947-12-22 | 1952-03-04 | Meguer V Kalfaian | Modulator tube and circuits |
| US2658189A (en) * | 1948-01-09 | 1953-11-03 | Bell Telephone Labor Inc | Signaling system based on orthogonal functions |
| US2541932A (en) * | 1948-05-19 | 1951-02-13 | Bell Telephone Labor Inc | Multiplex speech interpolation system |
| US2750566A (en) * | 1948-06-04 | 1956-06-12 | Raytheon Mfg Co | Telemetering transmission system |
| US2655652A (en) * | 1948-06-28 | 1953-10-13 | John H Homrighous | Multiplex time division telephone systems |
| US2680153A (en) * | 1949-01-14 | 1954-06-01 | Philco Corp | Multichannel communication system |
| NL86409C (enrdf_load_stackoverflow) * | 1949-10-26 |
-
0
- BE BE462299D patent/BE462299A/xx unknown
-
1943
- 1943-10-19 US US506803A patent/US2395467A/en not_active Expired - Lifetime
-
1944
- 1944-09-29 GB GB18684/44A patent/GB587489A/en not_active Expired
-
1945
- 1945-08-02 FR FR941112D patent/FR941112A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE462299A (enrdf_load_stackoverflow) | |
| GB587489A (en) | 1947-04-28 |
| US2395467A (en) | 1946-02-26 |
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