BE708467A - - Google Patents
Info
- Publication number
- BE708467A BE708467A BE708467DA BE708467A BE 708467 A BE708467 A BE 708467A BE 708467D A BE708467D A BE 708467DA BE 708467 A BE708467 A BE 708467A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire Alarms (AREA)
- Alarm Systems (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60438266A | 1966-12-23 | 1966-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE708467A true BE708467A (da) | 1968-05-02 |
Family
ID=24419377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE708467D BE708467A (da) | 1966-12-23 | 1967-12-22 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3500394A (da) |
| BE (1) | BE708467A (da) |
| DE (1) | DE1566708A1 (da) |
| GB (1) | GB1182700A (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2102135A1 (da) * | 1970-08-08 | 1972-04-07 | Danfoss As |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4518177Y1 (da) * | 1967-11-25 | 1970-07-24 | ||
| US3550120A (en) * | 1968-12-09 | 1970-12-22 | Honeywell Inc | Control apparatus |
| US3641570A (en) * | 1969-04-02 | 1972-02-08 | Francis T Thompson | Alarm system |
| US3599206A (en) * | 1969-11-17 | 1971-08-10 | Gulf & Western Systems Co N | Alarm circuit supervisory means |
| US3653041A (en) * | 1969-12-02 | 1972-03-28 | Gulf & Western Syst Co | Annunciator system |
| US3641547A (en) * | 1970-05-25 | 1972-02-08 | Alarmtronics Eng Inc | Line security system |
| GB1345412A (en) * | 1971-02-04 | 1974-01-30 | Lewis N W | Electrical alarm systems |
| US3699569A (en) * | 1972-01-28 | 1972-10-17 | Minnesota Mining & Mfg | Security system for indicating fire, intrusion or the like |
| US3978476A (en) * | 1973-12-17 | 1976-08-31 | Hochiki Corporation | Circuit conduction test arrangement for emergency alarm systems |
| JPS5417047Y2 (da) * | 1974-06-24 | 1979-07-03 | ||
| US4199029A (en) * | 1978-04-10 | 1980-04-22 | Fike Metal Products Corporation | Multiple, independently actuatable fire suppression devices each having individual actuating power source |
| US4191954A (en) * | 1978-07-03 | 1980-03-04 | Swiss Aluminium Ltd. | Interrupted circuit test with memory and display device |
| US4529970A (en) * | 1982-10-18 | 1985-07-16 | Baker Industries Inc. | Supervision system for monitoring the integrity of a transmission line |
| US4506254A (en) * | 1982-11-10 | 1985-03-19 | General Signal Corporation | Alarm system with detectors and signaling devices on the same cable pair |
| US4716401A (en) * | 1985-09-19 | 1987-12-29 | Deere & Company | Tamper-resistant supervisory system |
| EP1777671A1 (en) * | 2005-10-19 | 2007-04-25 | Honeywell International, Inc. | Monitoring of alarm system wiring |
| DE102008048929B4 (de) * | 2008-09-25 | 2010-06-24 | Novar Gmbh | Prüfung der Meldelinien einer Gefahrenmeldeanlage |
| CN104658203B (zh) * | 2013-11-22 | 2017-08-25 | 西门子瑞士有限公司 | 用于报警系统的线末端模块、控制器及控制方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3195043A (en) * | 1961-05-19 | 1965-07-13 | Westinghouse Electric Corp | Hall effect proximity transducer |
| US3230440A (en) * | 1962-04-02 | 1966-01-18 | North American Aviation Inc | Power supply with short circuit protection |
| US3254334A (en) * | 1963-12-19 | 1966-05-31 | American District Telegraph Co | Electrical protection system utilizing reverse polarity line testing with unidirectional current devices having reverse breakdown characteristic |
| US3311907A (en) * | 1964-06-08 | 1967-03-28 | Hugh E Teal | Solid state over-voltage and under-voltage detector |
| US3304547A (en) * | 1964-12-30 | 1967-02-14 | Iii Benedict Bristol | Alarm system |
| US3382409A (en) * | 1965-04-20 | 1968-05-07 | Ericsson Telefon Ab L M | Overcurrent-and overvoltage-protection arrangement |
-
1966
- 1966-12-23 US US604382A patent/US3500394A/en not_active Expired - Lifetime
-
1967
- 1967-12-20 DE DE19671566708 patent/DE1566708A1/de active Pending
- 1967-12-21 GB GB58170/67A patent/GB1182700A/en not_active Expired
- 1967-12-22 BE BE708467D patent/BE708467A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2102135A1 (da) * | 1970-08-08 | 1972-04-07 | Danfoss As |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1182700A (en) | 1970-03-04 |
| US3500394A (en) | 1970-03-10 |
| DE1566708A1 (de) | 1970-10-22 |