Title: Key controlled, position sensitive, portable alarm

Abstract: A portable alarm device senses movement of the device and actuates an alarm. A pendulum with attached magnet, set in motion by movement of the device, causes closing of alarm circuit reed switches to actuate a continuous alarm. The pendulum may be set by a control member and removable key to a hold position to prevent its oscillation or to a release position to allow its oscillation.

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Inventors: Okamura (Hazime, Miyazaki, JP)

Application Number: 06/010489
Filing Date: 1979-02-08
Publication_date: 1981-06-23
Assignee: HONDA LOCK MFG CO LTD

Primary Class(es): 340/571 340/689, 340/546, 200/61.45R, 200/61.45M, 340/547, 20
Other Classes: G08B13/14; G08B13/08; G08B13/14
US Patent Ref:

3261010	July, 1966	Kardel	340/546	Portable door alarm
3548400	December, 1970	Boyd et al.	200/61.52	SHIP'S TRIM INDICATOR
3725896	April, 1973	Wagner	340/546	POSITION SENSITIVE ALARM WITH MAGNETIC LATCHING PENDULUM SWITCH
4012611	March, 1977	Peterson	200/61.45R	Inertia switch for anti-intrusion sensing systems
4030087	June, 1977	Ritchie et al.	340/571	Anti-theft alarm system

Other Refs:
Primary Examiner: Swann III, Glen R.
Assistant Examiner:
Attorney: Fidelman, Wolffe & Waldron

Claims: