BR7506506A - ELECTRONIC SWITCHING CENTER FOR TELECOMMUNICATIONS SYSTEM - Google Patents
ELECTRONIC SWITCHING CENTER FOR TELECOMMUNICATIONS SYSTEMInfo
- Publication number
- BR7506506A BR7506506A BR7506506*A BR7506506A BR7506506A BR 7506506 A BR7506506 A BR 7506506A BR 7506506 A BR7506506 A BR 7506506A BR 7506506 A BR7506506 A BR 7506506A
- Authority
- BR
- Brazil
- Prior art keywords
- telecommunications system
- switching center
- electronic switching
- electronic
- telecommunications
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7434275A FR2287820A1 (en) | 1974-10-11 | 1974-10-11 | Telecommunication switching equipment - interconnects transmitters and receivers by generating pseudo random coded signals |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7506506A true BR7506506A (en) | 1976-08-17 |
Family
ID=9144004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7506506*A BR7506506A (en) | 1974-10-11 | 1975-10-06 | ELECTRONIC SWITCHING CENTER FOR TELECOMMUNICATIONS SYSTEM |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5214305A (en) |
BE (1) | BE834419R (en) |
BR (1) | BR7506506A (en) |
ES (1) | ES441682A1 (en) |
FR (1) | FR2287820A1 (en) |
IT (1) | IT1043197B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53146787U (en) * | 1977-04-23 | 1978-11-18 | ||
KR870004587A (en) * | 1985-10-16 | 1987-05-11 | 엘리 와이스 | Wireless local area network |
GB8700458D0 (en) * | 1987-01-09 | 1987-02-11 | Unvala Ltd | Communications systems |
GB9523002D0 (en) * | 1995-11-09 | 1996-01-10 | Raychem Ltd | Flame-retarded adhesive composition |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3475558A (en) * | 1964-09-01 | 1969-10-28 | Magnavox Co | Time gated pseudonoise multiplexing system |
US3715508A (en) * | 1967-09-15 | 1973-02-06 | Ibm | Switching circuits employing orthogonal and quasi-orthogonal pseudo-random code sequences |
-
1974
- 1974-10-11 FR FR7434275A patent/FR2287820A1/en active Granted
-
1975
- 1975-10-06 BR BR7506506*A patent/BR7506506A/en unknown
- 1975-10-08 IT IT28066/75A patent/IT1043197B/en active
- 1975-10-08 JP JP50120849A patent/JPS5214305A/en active Granted
- 1975-10-10 ES ES441682A patent/ES441682A1/en not_active Expired
- 1975-10-13 BE BE2054616A patent/BE834419R/en active
Also Published As
Publication number | Publication date |
---|---|
IT1043197B (en) | 1980-02-20 |
JPS564076B2 (en) | 1981-01-28 |
ES441682A1 (en) | 1977-04-01 |
FR2287820B1 (en) | 1979-07-06 |
JPS5214305A (en) | 1977-02-03 |
FR2287820A1 (en) | 1976-05-07 |
BE834419R (en) | 1976-04-13 |
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