BE815030A - Dispositif d'alarme par radio - Google Patents

Dispositif d'alarme par radio

Info

Publication number
BE815030A
BE815030A BE6044589A BE6044589A BE815030A BE 815030 A BE815030 A BE 815030A BE 6044589 A BE6044589 A BE 6044589A BE 6044589 A BE6044589 A BE 6044589A BE 815030 A BE815030 A BE 815030A
Authority
BE
Belgium
Prior art keywords
alarm device
radio alarm
radio
alarm
Prior art date
Application number
BE6044589A
Other languages
English (en)
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 filed Critical
Publication of BE815030A publication Critical patent/BE815030A/fr

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)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Gerontology & Geriatric Medicine (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Transmitters (AREA)
BE6044589A 1973-05-16 1974-05-14 Dispositif d'alarme par radio BE815030A (fr)

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
BE815030A true BE815030A (fr) 1974-09-02

Family

ID=10194127

Family Applications (1)

Application Number Title Priority Date Filing Date
BE6044589A BE815030A (fr) 1973-05-16 1974-05-14 Dispositif d'alarme par radio

Country Status (5)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148526A (ja) * 1982-02-26 1983-09-03 Mitsubishi Electric Corp 救難用信号装置
JPS60141886U (ja) * 1984-02-29 1985-09-19 株式会社　タカラ オ−デイオ玩具
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 (fr) * 2006-09-22 2010-09-15 Synapse S A R L Dispositif de télé assistance et montre pour un tel dispositif.

Also Published As

Publication number Publication date
GB1469508A (en) 1977-04-06
ZA743001B (en) 1975-05-28
AU1981476A (en) 1977-02-03
AU6896974A (en) 1975-11-20
FR2230029B1 (fr) 1982-01-29
FR2230029A1 (fr) 1974-12-13

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