GB9905984D0 - An alarm apparatus - Google Patents

An alarm apparatus

Info

Publication number
GB9905984D0
GB9905984D0 GBGB9905984.2A GB9905984A GB9905984D0 GB 9905984 D0 GB9905984 D0 GB 9905984D0 GB 9905984 A GB9905984 A GB 9905984A GB 9905984 D0 GB9905984 D0 GB 9905984D0
Authority
GB
United Kingdom
Prior art keywords
alarm apparatus
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.)
Granted
Application number
GBGB9905984.2A
Other versions
GB2348081B (en
GB2348081A (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.)
MCNALLY STANLEY P
Original Assignee
MCNALLY STANLEY P
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 MCNALLY STANLEY P filed Critical MCNALLY STANLEY P
Priority to GB9905984A priority Critical patent/GB2348081B/en
Publication of GB9905984D0 publication Critical patent/GB9905984D0/en
Publication of GB2348081A publication Critical patent/GB2348081A/en
Application granted granted Critical
Publication of GB2348081B publication Critical patent/GB2348081B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/022—Means for monitoring or calibrating
    • G01S1/024—Means for monitoring or calibrating of beacon transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/04—Details
    • G01S1/045—Receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Remote Sensing (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Alarm Systems (AREA)
  • Transmitters (AREA)
GB9905984A 1999-03-17 1999-03-17 An alarm apparatus Expired - Lifetime GB2348081B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9905984A GB2348081B (en) 1999-03-17 1999-03-17 An alarm apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9905984A GB2348081B (en) 1999-03-17 1999-03-17 An alarm apparatus

Publications (3)

Publication Number Publication Date
GB9905984D0 true GB9905984D0 (en) 1999-05-12
GB2348081A GB2348081A (en) 2000-09-20
GB2348081B GB2348081B (en) 2002-01-23

Family

ID=10849686

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9905984A Expired - Lifetime GB2348081B (en) 1999-03-17 1999-03-17 An alarm apparatus

Country Status (1)

Country Link
GB (1) GB2348081B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU8068394A (en) * 1993-11-05 1995-05-23 Personal Safety Limited Warning device

Also Published As

Publication number Publication date
GB2348081B (en) 2002-01-23
GB2348081A (en) 2000-09-20

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20180621 AND 20180627

PE20 Patent expired after termination of 20 years

Expiry date: 20190316