CH569336A5 - - Google Patents
Info
- Publication number
- CH569336A5 CH569336A5 CH1808773A CH1808773A CH569336A5 CH 569336 A5 CH569336 A5 CH 569336A5 CH 1808773 A CH1808773 A CH 1808773A CH 1808773 A CH1808773 A CH 1808773A CH 569336 A5 CH569336 A5 CH 569336A5
- Authority
- CH
- Switzerland
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
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
- G08B25/085—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines using central distribution transmission lines
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972146584U JPS523955Y2 (US06492441-20021210-C00072.png) | 1972-12-22 | 1972-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH569336A5 true CH569336A5 (US06492441-20021210-C00072.png) | 1975-11-14 |
Family
ID=15410996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1808773A CH569336A5 (US06492441-20021210-C00072.png) | 1972-12-22 | 1973-12-21 |
Country Status (6)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5266397A (en) * | 1975-11-29 | 1977-06-01 | Maspro Denko Kk | Communication system |
| GB1526027A (en) * | 1976-03-30 | 1978-09-27 | Hochiki Co | Subscription alarm system |
| JPS5333015A (en) * | 1976-09-08 | 1978-03-28 | Hochiki Co | Twooways wire television set |
| JPS53136500A (en) * | 1977-05-02 | 1978-11-29 | Hochiki Co | Alarm system |
| JPS53149799A (en) * | 1977-05-31 | 1978-12-27 | Hochiki Co | Alarm employing television party reception equipment |
| US4114150A (en) * | 1977-09-13 | 1978-09-12 | Hochiki Corporation | Alarm system |
| US4168494A (en) * | 1977-09-15 | 1979-09-18 | Dickey-John Corporation | Livestock confinement structure monitor |
| US4476488A (en) * | 1983-03-23 | 1984-10-09 | Zenith Electronics Corporation | Control circuit for CATV alert system |
| US4494138A (en) * | 1983-05-11 | 1985-01-15 | Comsonics, Inc. | Segmented upstream management for cable television |
| US4524243A (en) * | 1983-07-07 | 1985-06-18 | Lifeline Systems, Inc. | Personal alarm system |
| US4574305A (en) * | 1983-08-11 | 1986-03-04 | Tocum, Incorporated | Remote hub television and security systems |
| GB9201996D0 (en) * | 1992-01-30 | 1992-03-18 | Millicom Satellite Tv Services | Communication systems |
| US5493328A (en) * | 1993-04-09 | 1996-02-20 | Alcatel Network Systems, Inc. | Method and system for addressing a home terminal unit using a fiber-to-the-curb system |
| FR2878061B1 (fr) * | 2004-11-16 | 2007-02-02 | Domfort Soc Par Actions Simpli | Systeme et procede de videosurveillance, centrale et terminal, adaptes pour ce systeme |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3054858A (en) * | 1959-05-12 | 1962-09-18 | Ar & T Electronics Inc | Signal distribution arrangement for closed-circuit communications systems |
| US3534161A (en) * | 1966-01-24 | 1970-10-13 | Gordon A Friesen Intern Inc | Television communication systems |
| US3668307A (en) * | 1970-03-30 | 1972-06-06 | Kms Ind Inc | Two-way community antenna television system |
| US3803491A (en) * | 1971-05-26 | 1974-04-09 | Tocom | Communications system |
| US3761914A (en) * | 1972-03-10 | 1973-09-25 | Bell Television Inc | Alarm system |
-
1972
- 1972-12-22 JP JP1972146584U patent/JPS523955Y2/ja not_active Expired
-
1973
- 1973-12-07 US US05/422,923 patent/US3996578A/en not_active Expired - Lifetime
- 1973-12-10 CA CA187,745A patent/CA1012625A/en not_active Expired
- 1973-12-11 GB GB5726473A patent/GB1432857A/en not_active Expired
- 1973-12-21 CH CH1808773A patent/CH569336A5/xx not_active IP Right Cessation
- 1973-12-21 FR FR7346124A patent/FR2211702B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS523955Y2 (US06492441-20021210-C00072.png) | 1977-01-27 |
| DE2362327A1 (de) | 1974-07-04 |
| US3996578A (en) | 1976-12-07 |
| CA1012625A (en) | 1977-06-21 |
| FR2211702B1 (US06492441-20021210-C00072.png) | 1976-11-19 |
| GB1432857A (en) | 1976-04-22 |
| JPS49101622U (US06492441-20021210-C00072.png) | 1974-09-02 |
| DE2362327B2 (de) | 1975-08-21 |
| FR2211702A1 (US06492441-20021210-C00072.png) | 1974-07-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |