CA1123945A - Dispositif de detection par vibration - Google Patents

Dispositif de detection par vibration

Info

Publication number
CA1123945A
CA1123945A CA330,137A CA330137A CA1123945A CA 1123945 A CA1123945 A CA 1123945A CA 330137 A CA330137 A CA 330137A CA 1123945 A CA1123945 A CA 1123945A
Authority
CA
Canada
Prior art keywords
signal
vibratory
alarm
detector
vibratory mechanism
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
Application number
CA330,137A
Other languages
English (en)
Inventor
Helen M. Walker
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA330,137A priority Critical patent/CA1123945A/fr
Application granted granted Critical
Publication of CA1123945A publication Critical patent/CA1123945A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems, e.g. audible personal calling systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
CA330,137A 1979-06-19 1979-06-19 Dispositif de detection par vibration Expired CA1123945A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA330,137A CA1123945A (fr) 1979-06-19 1979-06-19 Dispositif de detection par vibration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA330,137A CA1123945A (fr) 1979-06-19 1979-06-19 Dispositif de detection par vibration

Publications (1)

Publication Number Publication Date
CA1123945A true CA1123945A (fr) 1982-05-18

Family

ID=4114499

Family Applications (1)

Application Number Title Priority Date Filing Date
CA330,137A Expired CA1123945A (fr) 1979-06-19 1979-06-19 Dispositif de detection par vibration

Country Status (1)

Country Link
CA (1) CA1123945A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0318637A3 (fr) * 1987-12-02 1989-11-15 VDO Adolf Schindling AG Emetteur
EP2444945A1 (fr) 2010-10-20 2012-04-25 Bellman & Symfon Europe AB Système d'alerte et procédé pour personnes malentendantes ou sourdes
CN105225390A (zh) * 2015-10-30 2016-01-06 宁波赛特威尔电子有限公司 一种电子警报系统

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0318637A3 (fr) * 1987-12-02 1989-11-15 VDO Adolf Schindling AG Emetteur
EP2444945A1 (fr) 2010-10-20 2012-04-25 Bellman & Symfon Europe AB Système d'alerte et procédé pour personnes malentendantes ou sourdes
CN105225390A (zh) * 2015-10-30 2016-01-06 宁波赛特威尔电子有限公司 一种电子警报系统

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Legal Events

Date Code Title Description
MKEX Expiry