FR2138931A1 - - Google Patents
Info
- Publication number
- FR2138931A1 FR2138931A1 FR7218366A FR7218366A FR2138931A1 FR 2138931 A1 FR2138931 A1 FR 2138931A1 FR 7218366 A FR7218366 A FR 7218366A FR 7218366 A FR7218366 A FR 7218366A FR 2138931 A1 FR2138931 A1 FR 2138931A1
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
- G08B26/005—Alarm systems in which substations are interrogated in succession by a central station with substations connected in series, e.g. cascade
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14611171A | 1971-05-24 | 1971-05-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2138931A1 true FR2138931A1 (fr) | 1973-01-05 |
Family
ID=22515891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7218366A Pending FR2138931A1 (fr) | 1971-05-24 | 1972-05-23 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3765016A (fr) |
CA (1) | CA1003066A (fr) |
DE (1) | DE2225244A1 (fr) |
FR (1) | FR2138931A1 (fr) |
GB (1) | GB1383777A (fr) |
IT (1) | IT958001B (fr) |
ZA (1) | ZA723558B (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3939460A (en) * | 1974-04-24 | 1976-02-17 | Barry N. Horn | Security alarm system |
DE2536946C2 (de) * | 1975-08-19 | 1986-02-27 | Firecom Inc., Woodside, N.Y. | Schaltungsanordnung zur Überwachung von Ferneinheiten |
JPS53136500A (en) * | 1977-05-02 | 1978-11-29 | Hochiki Co | Alarm system |
CA1216340A (fr) * | 1982-05-14 | 1987-01-06 | Dale R. Younge | Detecteur d'effraction |
US4538138A (en) * | 1982-12-17 | 1985-08-27 | American District Telegraph Company | Integrated security system having a multiprogrammed controller |
US4528610A (en) * | 1983-07-05 | 1985-07-09 | Apollo Fire Detectors Limited | Short circuit fault isolation means for electrical circuit arrangements |
JPS60186994A (ja) * | 1984-03-05 | 1985-09-24 | ホーチキ株式会社 | 火災感知器 |
GB8431883D0 (en) * | 1984-12-18 | 1985-01-30 | Gent Ltd | Transmission system |
GB2173618B (en) * | 1985-04-12 | 1988-09-14 | Emi Ltd | Alarm monitoring installation |
US4796025A (en) * | 1985-06-04 | 1989-01-03 | Simplex Time Recorder Co. | Monitor/control communication net with intelligent peripherals |
CH668496A5 (de) * | 1985-07-10 | 1988-12-30 | Cerberus Ag | Verfahren zur uebertragung von messwerten in einem ueberwachungssystem. |
JPH0632517B2 (ja) * | 1985-07-19 | 1994-04-27 | ホーチキ株式会社 | 異常監視装置 |
FR2633761B1 (fr) * | 1988-06-30 | 1995-03-17 | Hugon Emile | Detecteur de fumees avec circuit integre pour adresse |
FR2636157A1 (fr) * | 1988-09-08 | 1990-03-09 | Hugon Emile | Centrale d'adresse et de programmation de detecteur d'alarme incendie |
GB2259797B (en) * | 1991-09-19 | 1995-08-16 | Rockwell International Corp | Fault tolerant multi-drop communications system |
EP0626743B1 (fr) * | 1993-05-25 | 1999-09-08 | Hochiki Corporation | Appareil de contrÔle de faute de ligne |
US5687215A (en) * | 1995-04-10 | 1997-11-11 | Ford Motor Company | Vehicular emergency message system |
US5686910A (en) * | 1995-04-10 | 1997-11-11 | Ford Motor Company | Vehicular emergency message system with automatic periodic call-in |
US5572204A (en) * | 1995-04-10 | 1996-11-05 | Ford Motor Company | Vehicular emergency message system |
US5890061A (en) * | 1996-02-09 | 1999-03-30 | Ford Motor Company | Vehicular emergency message system with call restriction defeating |
US5801913A (en) * | 1996-04-29 | 1998-09-01 | Kiddie-Fenwal, Inc. | Isolation circuitry |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3214734A (en) * | 1959-06-19 | 1965-10-26 | American District Telegraph Co | Protection signalling system having channel impedance alteration means for providing indications of remote station conditions |
US3349374A (en) * | 1963-08-05 | 1967-10-24 | Motorola Inc | Supervisory control system with message traffic control |
US3350580A (en) * | 1965-11-30 | 1967-10-31 | Sperry Rand Corp | Monitor employing logic gate and counter to indicate normal pulse-train failure after predetermined time interval |
GB1178957A (en) * | 1968-04-29 | 1970-01-28 | Goodwin Alfred George Ive | Improvements in and relating to Electrical Protective Systems |
US3676878A (en) * | 1968-10-14 | 1972-07-11 | Riley Co The | Variable monitoring system |
US3624649A (en) * | 1969-10-10 | 1971-11-30 | Honeywell Inc | Period readout error checking apparatus |
-
1971
- 1971-05-24 US US00146111A patent/US3765016A/en not_active Expired - Lifetime
-
1972
- 1972-05-19 CA CA142,677A patent/CA1003066A/en not_active Expired
- 1972-05-22 IT IT50413/72A patent/IT958001B/it active
- 1972-05-23 FR FR7218366A patent/FR2138931A1/fr active Pending
- 1972-05-24 GB GB2451872A patent/GB1383777A/en not_active Expired
- 1972-05-24 ZA ZA723558A patent/ZA723558B/xx unknown
- 1972-05-24 DE DE19722225244 patent/DE2225244A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2225244A1 (de) | 1972-12-14 |
IT958001B (it) | 1973-10-20 |
GB1383777A (en) | 1974-02-12 |
US3765016A (en) | 1973-10-09 |
ZA723558B (en) | 1973-03-28 |
CA1003066A (en) | 1977-01-04 |