BE833670A - Perfectionnements au dispositif de telediffusion par cable et relatifs a ceux-ci - Google Patents
Perfectionnements au dispositif de telediffusion par cable et relatifs a ceux-ciInfo
- Publication number
- BE833670A BE833670A BE160247A BE160247A BE833670A BE 833670 A BE833670 A BE 833670A BE 160247 A BE160247 A BE 160247A BE 160247 A BE160247 A BE 160247A BE 833670 A BE833670 A BE 833670A
- Authority
- BE
- Belgium
- Prior art keywords
- broadcasting device
- cable broadcasting
- cable
- broadcasting
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Electronic Switches (AREA)
- Interface Circuits In Exchanges (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB41196/74A GB1509713A (en) | 1974-09-21 | 1974-09-21 | Switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE833670A true BE833670A (fr) | 1976-01-16 |
Family
ID=10418563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE160247A BE833670A (fr) | 1974-09-21 | 1975-09-22 | Perfectionnements au dispositif de telediffusion par cable et relatifs a ceux-ci |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4058770A (it) |
| JP (2) | JPS5158054A (it) |
| BE (1) | BE833670A (it) |
| CA (1) | CA1064110A (it) |
| CH (1) | CH591788A5 (it) |
| DE (1) | DE2539940C3 (it) |
| ES (2) | ES455981A1 (it) |
| FR (1) | FR2285758A1 (it) |
| GB (1) | GB1509713A (it) |
| IL (1) | IL48110A (it) |
| IT (1) | IT1047066B (it) |
| NL (1) | NL7511022A (it) |
| SE (1) | SE404116B (it) |
| ZA (1) | ZA755724B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2623682A1 (fr) * | 1987-11-24 | 1989-05-26 | Cgv Comp Gen Videotech | Grille de commutation |
| US5117123A (en) * | 1990-04-30 | 1992-05-26 | Thomson Consumer Electronics, Inc. | Diode switch providing temperature compensated d.c. bias for cascaded amplifier |
| EP2556083A4 (en) | 2010-04-05 | 2013-12-04 | Validus Biopharma Inc | NONHORMONAL STEROID MODULATORS OF NF-KAPPA-B FOR DISEASE TREATMENT |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1068763B (de) * | 1955-08-23 | 1959-11-12 | Automatic Electric Laboratories, Inc., Chicago, 111. (V. St. A.) | Schaltungsanordnung zum zweidrahtmäßigen Verbinden von Leitungsabschnitten über eine Zeitmultiplexubertragungsleitung |
| GB954916A (en) * | 1961-03-01 | 1964-04-08 | Pye Ltd | Signal distribution system |
| US3146357A (en) * | 1962-02-23 | 1964-08-25 | Sanders Associates Inc | High frequency solid state switch employing diodes with shiftable bias to control signal transmission |
| US3277318A (en) * | 1964-04-30 | 1966-10-04 | Gen Electric | Gamma correction circuits |
| JPS4328598Y1 (it) * | 1964-09-03 | 1968-11-25 | ||
| US3527886A (en) * | 1967-03-30 | 1970-09-08 | Rca Corp | Composite television video switching circuit |
| GB1272594A (en) * | 1968-08-09 | 1972-05-03 | Communications Patents Ltd | Improvements in and relating to wired broadcasting systems |
| US3596110A (en) * | 1969-01-06 | 1971-07-27 | Viscount Electronics Ltd | Wide band switching crosspoint system |
| US3710142A (en) * | 1970-07-04 | 1973-01-09 | Sony Corp | Signal gating circuit |
| GB1382990A (en) * | 1971-12-09 | 1975-02-05 | Knox J H | Intercommunication systems |
| US3806814A (en) * | 1972-04-26 | 1974-04-23 | Hughes Aircraft Co | Phantom subscriber |
| US3889050A (en) * | 1974-04-11 | 1975-06-10 | Gte Sylvania Inc | Subscription television system and switching station therefor |
-
1974
- 1974-09-21 GB GB41196/74A patent/GB1509713A/en not_active Expired
-
1975
- 1975-09-08 ZA ZA00755724A patent/ZA755724B/xx unknown
- 1975-09-09 DE DE2539940A patent/DE2539940C3/de not_active Expired
- 1975-09-09 CA CA235,083A patent/CA1064110A/en not_active Expired
- 1975-09-15 IT IT51342/75A patent/IT1047066B/it active
- 1975-09-16 SE SE7510295A patent/SE404116B/xx not_active IP Right Cessation
- 1975-09-16 IL IL48110A patent/IL48110A/en unknown
- 1975-09-17 US US05/613,981 patent/US4058770A/en not_active Expired - Lifetime
- 1975-09-18 CH CH1212975A patent/CH591788A5/xx not_active IP Right Cessation
- 1975-09-18 NL NL7511022A patent/NL7511022A/xx not_active Application Discontinuation
- 1975-09-19 FR FR7529688A patent/FR2285758A1/fr active Granted
- 1975-09-22 BE BE160247A patent/BE833670A/xx not_active IP Right Cessation
- 1975-09-22 JP JP50113805A patent/JPS5158054A/ja active Pending
-
1977
- 1977-02-16 ES ES455981A patent/ES455981A1/es not_active Expired
- 1977-02-16 ES ES441116A patent/ES441116A1/es not_active Expired
-
1983
- 1983-12-24 JP JP1983197968U patent/JPS59111347U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IL48110A0 (en) | 1975-11-25 |
| ES455981A1 (es) | 1978-02-16 |
| GB1509713A (en) | 1978-05-04 |
| DE2539940C3 (de) | 1980-01-31 |
| ES441116A1 (es) | 1977-07-01 |
| DE2539940A1 (de) | 1976-04-08 |
| IL48110A (en) | 1977-07-31 |
| SE7510295L (sv) | 1976-03-22 |
| US4058770A (en) | 1977-11-15 |
| SE404116B (sv) | 1978-09-18 |
| JPS59111347U (ja) | 1984-07-27 |
| CA1064110A (en) | 1979-10-09 |
| FR2285758A1 (fr) | 1976-04-16 |
| CH591788A5 (it) | 1977-09-30 |
| DE2539940B2 (de) | 1979-06-07 |
| JPS5158054A (it) | 1976-05-21 |
| FR2285758B1 (it) | 1982-10-08 |
| AU8480175A (en) | 1977-03-17 |
| ZA755724B (en) | 1976-08-25 |
| NL7511022A (nl) | 1976-03-23 |
| IT1047066B (it) | 1980-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: COMMUNICATIONS PATENTS LTD Effective date: 19870930 |