BE740214A - - Google Patents
Info
- Publication number
- BE740214A BE740214A BE740214DA BE740214A BE 740214 A BE740214 A BE 740214A BE 740214D A BE740214D A BE 740214DA BE 740214 A BE740214 A BE 740214A
- 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
- G08B29/18—Prevention or correction of operating errors
- G08B29/181—Prevention or correction of operating errors due to failing power supply
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77225968A | 1968-10-31 | 1968-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE740214A true BE740214A (xx) | 1970-04-13 |
Family
ID=25094469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE740214D BE740214A (xx) | 1968-10-31 | 1969-10-13 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3618069A (xx) |
| BE (1) | BE740214A (xx) |
| CA (1) | CA918776A (xx) |
| DE (1) | DE1952229C3 (xx) |
| FR (1) | FR2021981B1 (xx) |
| GB (1) | GB1257729A (xx) |
| NL (1) | NL158952B (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855480A (en) * | 1971-05-21 | 1974-12-17 | Merestechnikai Kozponti | Fault-indicating circuit for a flow-metering system |
| US3811126A (en) * | 1972-06-07 | 1974-05-14 | Smelting Refining And Mining C | Alarm system |
| US3792470A (en) * | 1972-07-17 | 1974-02-12 | Johnson Service Co | Coded tone multiplexed alarm transmission system |
| US4144528A (en) * | 1976-12-29 | 1979-03-13 | Compalarm Systems Co. | Alarm system |
| US4253091A (en) * | 1977-01-05 | 1981-02-24 | Mobil Oil Corporation | Method and apparatus for detection of alarm conditions |
| CN106823226A (zh) * | 2017-02-20 | 2017-06-13 | 广州市景彤机电设备有限公司 | 一种智能消防系统 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2441502A (en) * | 1940-08-01 | 1948-05-11 | American District Telegraph Co | Unit transmitter and signaling system |
| US2938197A (en) * | 1954-09-14 | 1960-05-24 | Automatic Fire Alarm Company | Automatic alarm transmitter |
| US2996652A (en) * | 1956-11-21 | 1961-08-15 | Automatic Fire Alarm Company | Battery charging and supervisory apparatus for closed circuit alarm systems |
| US3002105A (en) * | 1959-08-20 | 1961-09-26 | Charles A Cady | Emergency power supply |
| US3085235A (en) * | 1959-11-18 | 1963-04-09 | Morse Signal Devices Inc | Power supply for burglar or fire alarm |
| US3060416A (en) * | 1960-03-18 | 1962-10-23 | Honeywell Regulator Co | Supervised signal system |
| US3176283A (en) * | 1962-02-15 | 1965-03-30 | Honeywell Inc | Supervised annunciator |
| US3267450A (en) * | 1964-01-06 | 1966-08-16 | Honeywell Inc | Alarm apparatus |
| US3267288A (en) * | 1964-10-20 | 1966-08-16 | Newmark Products Inc | System for floating a battery on a load line |
| US3500377A (en) * | 1966-10-21 | 1970-03-10 | American District Telegraph Co | Noninterfering electrical signaling system |
| US3505531A (en) * | 1966-11-15 | 1970-04-07 | Bendix Corp | Control circuit for electrical systems having redundant power supplies |
-
1968
- 1968-10-31 US US3618069D patent/US3618069A/en not_active Expired - Lifetime
-
1969
- 1969-05-16 CA CA051769A patent/CA918776A/en not_active Expired
- 1969-07-09 GB GB1257729D patent/GB1257729A/en not_active Expired
- 1969-10-13 BE BE740214D patent/BE740214A/xx unknown
- 1969-10-15 FR FR6935328A patent/FR2021981B1/fr not_active Expired
- 1969-10-16 DE DE1952229A patent/DE1952229C3/de not_active Expired
- 1969-10-17 NL NL6915785A patent/NL158952B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1952229C3 (de) | 1975-04-10 |
| US3618069A (en) | 1971-11-02 |
| NL158952B (nl) | 1978-12-15 |
| FR2021981B1 (xx) | 1973-04-06 |
| DE1952229A1 (de) | 1970-05-06 |
| DE1952229B2 (de) | 1974-08-29 |
| NL6915785A (xx) | 1970-05-04 |
| GB1257729A (xx) | 1971-12-22 |
| FR2021981A1 (xx) | 1970-07-24 |
| CA918776A (en) | 1973-01-09 |