GB2336014A - Monitoring system - Google Patents
Monitoring systemInfo
- Publication number
- GB2336014A GB2336014A GB9917539A GB9917539A GB2336014A GB 2336014 A GB2336014 A GB 2336014A GB 9917539 A GB9917539 A GB 9917539A GB 9917539 A GB9917539 A GB 9917539A GB 2336014 A GB2336014 A GB 2336014A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pick
- monitoring system
- location
- sound
- emitting
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- G08B25/06—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 power transmission lines
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
A monitoring system comprising pick-up means to pick up sound from a first location and emitting means to emit sound at a second location generally as picked up by the pick-up means, wherein the pick-up means and emitting means are adapted to be linked, in use, by means for supplying electricity to the first and second locations.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9917539A GB2336014A (en) | 1997-11-27 | 1998-11-27 | Monitoring system |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9725057.5A GB9725057D0 (en) | 1997-11-27 | 1997-11-27 | Monitoring system |
GBGB9821617.9A GB9821617D0 (en) | 1998-10-06 | 1998-10-06 | Monitoring system |
GB9917539A GB2336014A (en) | 1997-11-27 | 1998-11-27 | Monitoring system |
PCT/GB1998/003533 WO1999028883A1 (en) | 1997-11-27 | 1998-11-27 | Monitoring system |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9917539D0 GB9917539D0 (en) | 1999-09-29 |
GB2336014A true GB2336014A (en) | 1999-10-06 |
Family
ID=27269107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9917539A Withdrawn GB2336014A (en) | 1997-11-27 | 1998-11-27 | Monitoring system |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2336014A (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2508449A1 (en) * | 1974-03-19 | 1975-09-25 | Yoshihara Electric Co | Sound signal transmission system - uses the already existing internal wiring as a transmission network |
US3909618A (en) * | 1973-01-19 | 1975-09-30 | Sharp Kk | Carrier transmission system utilizing commercial power lines as transmission lines |
FR2289017A1 (en) * | 1974-10-23 | 1976-05-21 | Crit Telephonie | Centralised surveillance system - connects noise detectors to central receivers above set noise level or on break in |
FR2435170A1 (en) * | 1978-08-30 | 1980-03-28 | Begouen Jean Paul | Selective intercommunication on electrical mains wiring - monitors acoustic noise frequency and transmits only anomalous conditions esp. during stables at night |
FR2588682A1 (en) * | 1985-10-16 | 1987-04-17 | Gurba Jean Luc | Alarm device comprising at least one sensor |
US4918717A (en) * | 1988-08-23 | 1990-04-17 | Knight Protective Industries | Alarm system having bidirectional communication with secured area |
GB2226901A (en) * | 1989-01-10 | 1990-07-11 | Austen Cleeton | Alarm system |
WO1996013117A1 (en) * | 1994-10-21 | 1996-05-02 | Wybe Tuinman | A security device |
-
1998
- 1998-11-27 GB GB9917539A patent/GB2336014A/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3909618A (en) * | 1973-01-19 | 1975-09-30 | Sharp Kk | Carrier transmission system utilizing commercial power lines as transmission lines |
DE2508449A1 (en) * | 1974-03-19 | 1975-09-25 | Yoshihara Electric Co | Sound signal transmission system - uses the already existing internal wiring as a transmission network |
FR2289017A1 (en) * | 1974-10-23 | 1976-05-21 | Crit Telephonie | Centralised surveillance system - connects noise detectors to central receivers above set noise level or on break in |
FR2435170A1 (en) * | 1978-08-30 | 1980-03-28 | Begouen Jean Paul | Selective intercommunication on electrical mains wiring - monitors acoustic noise frequency and transmits only anomalous conditions esp. during stables at night |
FR2588682A1 (en) * | 1985-10-16 | 1987-04-17 | Gurba Jean Luc | Alarm device comprising at least one sensor |
US4918717A (en) * | 1988-08-23 | 1990-04-17 | Knight Protective Industries | Alarm system having bidirectional communication with secured area |
GB2226901A (en) * | 1989-01-10 | 1990-07-11 | Austen Cleeton | Alarm system |
WO1996013117A1 (en) * | 1994-10-21 | 1996-05-02 | Wybe Tuinman | A security device |
Also Published As
Publication number | Publication date |
---|---|
GB9917539D0 (en) | 1999-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |