ZA743001B - A radio alarm system - Google Patents

A radio alarm system

Info

Publication number
ZA743001B
ZA743001B ZA00743001A ZA743001A ZA743001B ZA 743001 B ZA743001 B ZA 743001B ZA 00743001 A ZA00743001 A ZA 00743001A ZA 743001 A ZA743001 A ZA 743001A ZA 743001 B ZA743001 B ZA 743001B
Authority
ZA
South Africa
Prior art keywords
alarm system
radio alarm
radio
alarm
Prior art date
Application number
ZA00743001A
Inventor
S Swales
Original Assignee
S Swales
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 S Swales filed Critical S Swales
Publication of ZA743001B publication Critical patent/ZA743001B/en

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
    • G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/02—Installations within mirrors, pictures, furniture or other household articles
    • G04B47/025—Installations within mirrors, pictures, furniture or other household articles in musical instruments or loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Gerontology & Geriatric Medicine (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Transmitters (AREA)
ZA00743001A 1973-05-16 1974-05-10 A radio alarm system ZA743001B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2334473A GB1469508A (en) 1973-05-16 1973-05-16 Radio alarm system

Publications (1)

Publication Number Publication Date
ZA743001B true ZA743001B (en) 1975-05-28

Family

ID=10194127

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00743001A ZA743001B (en) 1973-05-16 1974-05-10 A radio alarm system

Country Status (5)

Country Link
AU (2) AU6896974A (en)
BE (1) BE815030A (en)
FR (1) FR2230029B1 (en)
GB (1) GB1469508A (en)
ZA (1) ZA743001B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148526A (en) * 1982-02-26 1983-09-03 Mitsubishi Electric Corp Device for rescue signal
JPS60141886U (en) * 1984-02-29 1985-09-19 株式会社　タカラ audio toys
US4769656A (en) * 1987-01-28 1988-09-06 Timex Corporation Expansion band antenna for a wrist instrument and method of making it
US4800543A (en) * 1987-12-03 1989-01-24 Ramtron Corporation Timepiece communication system
CH673748GA3 (en) * 1988-04-08 1990-04-12 Wrist-watch with HF transmitter and deployable antenna - has provision for completion of power supply circuit from battery as wire antenna is pulled out
GB2393301A (en) * 2002-09-17 2004-03-24 Nigel Jonathan Davies Personal defence system
CH700487B1 (en) * 2006-09-22 2010-09-15 Synapse S A R L Device for TV shows and support for such a device.

Also Published As

Publication number Publication date
BE815030A (en) 1974-09-02
AU1981476A (en) 1977-02-03
FR2230029A1 (en) 1974-12-13
AU6896974A (en) 1975-11-20
FR2230029B1 (en) 1982-01-29
GB1469508A (en) 1977-04-06

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