GB1349742A - Combination burglar and fire alarm systems - Google Patents
Combination burglar and fire alarm systemsInfo
- Publication number
- GB1349742A GB1349742A GB1349742DA GB1349742A GB 1349742 A GB1349742 A GB 1349742A GB 1349742D A GB1349742D A GB 1349742DA GB 1349742 A GB1349742 A GB 1349742A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- burglar
- switch
- fire
- activate
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/018—Thief traps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/1004—Alarm systems characterised by the type of sensor, e.g. current sensing means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
- G08B19/005—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow combined burglary and fire alarm systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fire Alarms (AREA)
Abstract
1349742 Burglar/fire alarms A J PLUMMER 26 Aug 1971 [29 May 1970 16 Nov 1970] 26089/70 and 54390/70 Heading G4N A burglar and fire alarm comprises a control circuit housed in a box 50 having plug-type connections to a bell alarm device B and a flasher lamp alarm device L2 and to a plurality of switch-like contacts 20 and thermal fuses or fire sensors 21, all the said components being arranged in closed circuit connected by lengths 23 of flexible aluminium strip. The strip 23 may have adhesive on one side and be mounted on the walls, &c. of the building and the contacts 20 may comprise a series of dimpled, conductive fingers (15), (17), Fig. 4 (not shown) outstanding from a common strip 18 sprung away from a fixed contact strip (19) mounted in normally closed condition in a door jamb, &c. The control circuit comprises a transistor switching circuit Fig. 2 (not shown) adapted to activate a relay switch to cause the alarms B, L2 to respond to a breaking of the circuit at any point 20, 21 after a delay period to allow an authorized person to de-activate the system by switch S1.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2608970 | 1970-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1349742A true GB1349742A (en) | 1974-04-10 |
Family
ID=10238195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1349742D Expired GB1349742A (en) | 1970-05-29 | 1970-05-29 | Combination burglar and fire alarm systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1349742A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2488010A1 (en) * | 1980-08-01 | 1982-02-05 | Otis Elevator Co | Alarm system for lift cabin - includes pushbutton switch in cabin initiating alarm signal which is only transmitted if lift doors do not open in specified time |
GB2122002A (en) * | 1982-06-10 | 1984-01-04 | Spirax Sarco Ltd | Fluid flow monitoring |
WO1994019218A1 (en) * | 1993-02-16 | 1994-09-01 | Jan Zikl | Circuit arrangement of a safety system |
-
1970
- 1970-05-29 GB GB1349742D patent/GB1349742A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2488010A1 (en) * | 1980-08-01 | 1982-02-05 | Otis Elevator Co | Alarm system for lift cabin - includes pushbutton switch in cabin initiating alarm signal which is only transmitted if lift doors do not open in specified time |
GB2122002A (en) * | 1982-06-10 | 1984-01-04 | Spirax Sarco Ltd | Fluid flow monitoring |
WO1994019218A1 (en) * | 1993-02-16 | 1994-09-01 | Jan Zikl | Circuit arrangement of a safety system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |