GB2223869B - Apparatus for the transmission of alarm signals - Google Patents
Apparatus for the transmission of alarm signalsInfo
- Publication number
- GB2223869B GB2223869B GB8821267A GB8821267A GB2223869B GB 2223869 B GB2223869 B GB 2223869B GB 8821267 A GB8821267 A GB 8821267A GB 8821267 A GB8821267 A GB 8821267A GB 2223869 B GB2223869 B GB 2223869B
- Authority
- GB
- United Kingdom
- Prior art keywords
- transmission
- alarm signals
- alarm
- signals
- 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title 1
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
- G08B25/009—Signalling of the alarm condition to a substation whose identity is signalled to a central station, e.g. relaying alarm signals in order to extend communication range
-
- 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
- G08B25/016—Personal emergency signalling and security systems
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8821267A GB2223869B (en) | 1988-09-12 | 1988-09-12 | Apparatus for the transmission of alarm signals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8821267A GB2223869B (en) | 1988-09-12 | 1988-09-12 | Apparatus for the transmission of alarm signals |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8821267D0 GB8821267D0 (en) | 1988-10-12 |
GB2223869A GB2223869A (en) | 1990-04-18 |
GB2223869B true GB2223869B (en) | 1992-07-22 |
Family
ID=10643394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8821267A Expired - Lifetime GB2223869B (en) | 1988-09-12 | 1988-09-12 | Apparatus for the transmission of alarm signals |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2223869B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3521491B2 (en) * | 1994-08-31 | 2004-04-19 | トヨタ自動車株式会社 | Road-to-vehicle communication device |
US6032035A (en) * | 1997-05-21 | 2000-02-29 | Elcombe Systems Limited | Emergency response system |
GB2324632B (en) | 1997-10-20 | 1999-08-11 | Steven Derek Pike | Microphone unit |
CA2251996A1 (en) * | 1997-12-18 | 1999-06-18 | Lucent Technologies Inc. | Automatically locating individuals utilizing a combination of wireless media |
US6236858B1 (en) | 1998-06-30 | 2001-05-22 | Avaya Technology Corp. | Wireless terminal automatically alerting user upon wireless terminal entering a specified physical location |
US6195560B1 (en) | 1998-09-29 | 2001-02-27 | Lucent Technologies Inc. | Dynamic associative group pickup |
US6198938B1 (en) | 1998-09-29 | 2001-03-06 | Avaya Technology Corp. | Dynamic associative terminating extension groups |
JP3949312B2 (en) | 1999-03-11 | 2007-07-25 | シャープ株式会社 | Communication device position detection system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980000630A1 (en) * | 1978-09-15 | 1980-04-03 | Ericsson Telefon Ab L M | Installation for transmitting alarm signals |
-
1988
- 1988-09-12 GB GB8821267A patent/GB2223869B/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980000630A1 (en) * | 1978-09-15 | 1980-04-03 | Ericsson Telefon Ab L M | Installation for transmitting alarm signals |
GB2051444A (en) * | 1978-09-15 | 1981-01-14 | Ericsson Telefon Ab L M | Installation for transmitting alarm signals |
Also Published As
Publication number | Publication date |
---|---|
GB8821267D0 (en) | 1988-10-12 |
GB2223869A (en) | 1990-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0167331A3 (en) | Signal transmission apparatus | |
EP0303450A3 (en) | Digital signal transmission apparatus | |
EP0316746A3 (en) | Optical apparatus for the detection of holes | |
GB2138212B (en) | Signal coupling apparatus | |
GB8813525D0 (en) | Apparatus for eliminating noise signal | |
AU541029B2 (en) | Alarm sensor monitor | |
GB8408037D0 (en) | Signal transmission device | |
GB2223869B (en) | Apparatus for the transmission of alarm signals | |
GB8703554D0 (en) | Signal transmission system | |
GB2103446B (en) | Apparatus for the line-guided transmission of signals | |
AU1260188A (en) | Alarm devices | |
GB8828234D0 (en) | Device for adding r f signals | |
GB2203276B (en) | Alarm apparatus | |
GB2225113B (en) | State of fill-determining apparatus | |
GB8927263D0 (en) | Apparatus for the production of ice | |
GB8926505D0 (en) | Method and apparatus for transmitting signals | |
GB8820877D0 (en) | Emergency signal device | |
GB2225519B (en) | Method of transmitting teletext signals and apparatus for receiving the same | |
ZA872747B (en) | Apparatus for the transmission of data | |
GB8815668D0 (en) | Signal amplitude-determining apparatus | |
GB2139398B (en) | Signal transmitting and/or receiving apparatus | |
AU2211388A (en) | Signal locating apparatus | |
PL266260A2 (en) | Alarm signal transmission system | |
GB8915395D0 (en) | Signal transmission | |
GB8826874D0 (en) | Alarm apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960912 |