GB8923307D0 - Intruder alarm - Google Patents

Intruder alarm

Info

Publication number
GB8923307D0
GB8923307D0 GB8923307A GB8923307A GB8923307D0 GB 8923307 D0 GB8923307 D0 GB 8923307D0 GB 8923307 A GB8923307 A GB 8923307A GB 8923307 A GB8923307 A GB 8923307A GB 8923307 D0 GB8923307 D0 GB 8923307D0
Authority
GB
United Kingdom
Prior art keywords
intruder alarm
intruder
alarm
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Withdrawn
Application number
GB8923307A
Other versions
GB2224146A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HAMMOND ROY K
Original Assignee
HAMMOND ROY K
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HAMMOND ROY K filed Critical HAMMOND ROY K
Publication of GB8923307D0 publication Critical patent/GB8923307D0/en
Publication of GB2224146A publication Critical patent/GB2224146A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/028—Communication between parent and child units via remote transmission means, e.g. satellite network
    • 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
    • B60R25/1012—Zone surveillance means, e.g. parking lots, truck depots
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/023—Power management, e.g. system sleep and wake up provisions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0241—Data exchange details, e.g. data protocol
    • G08B21/0247—System arrangements wherein the alarm criteria uses signal strength
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0286—Tampering or removal detection of the child unit from child or article
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Burglar Alarm Systems (AREA)
GB8923307A 1988-10-22 1989-10-16 Intruder alarm system Withdrawn GB2224146A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8824797A GB8824797D0 (en) 1988-10-22 1988-10-22 Intruder alarm

Publications (2)

Publication Number Publication Date
GB8923307D0 true GB8923307D0 (en) 1989-12-06
GB2224146A GB2224146A (en) 1990-04-25

Family

ID=10645646

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8824797A Pending GB8824797D0 (en) 1988-10-22 1988-10-22 Intruder alarm
GB8923307A Withdrawn GB2224146A (en) 1988-10-22 1989-10-16 Intruder alarm system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8824797A Pending GB8824797D0 (en) 1988-10-22 1988-10-22 Intruder alarm

Country Status (1)

Country Link
GB (2) GB8824797D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248018A (en) * 1990-09-21 1992-03-25 John Edward Doohan A system for extinguishing fires
BE1004724A3 (en) * 1991-04-16 1993-01-19 Garot Jospeh Device for monitoring the proximity of a portable object
GB2274531A (en) * 1993-01-26 1994-07-27 Richard Henry White Vehicle theft alarm
GB2362015A (en) * 2000-05-04 2001-11-07 Maria Minott Vehicle alarm system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1397796A (en) * 1972-05-15 1975-06-18 Litman A L Intruder alarm systems
US4187497A (en) * 1978-03-22 1980-02-05 Harless Orville F Portable vehicle alarm system
SE7902187L (en) * 1979-03-12 1980-09-13 Siemens Elema Ab DEVICE FOR MONITORING OF RING PRESSURE WHEELS ON A VEHICLE
GB2070833A (en) * 1980-02-29 1981-09-09 Key Executive Safeguard Ltd Vehicle security system
GB2112600A (en) * 1981-09-02 1983-07-20 Kunwar Chander Jeet Singh Out of proximity alarm system
EP0093463A1 (en) * 1982-04-29 1983-11-09 Michael Givaty System, method and apparatus for protecting objects, individuals and entities

Also Published As

Publication number Publication date
GB8824797D0 (en) 1988-11-30
GB2224146A (en) 1990-04-25

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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)