SHOCK SENSOR - OKI ELECTRIC IND CO LTD

Title:

SHOCK SENSOR

Document Type and Number:

WIPO Patent Application WO/1993/026026

Kind Code:

A1

Abstract:

A shock sensor (300) comprises: a lead switch (310) fixed in the sensor case, and having a lead contact which changes from a first state to a second state by a magnetic force; a magnet (315) fixed apart from the lead switch by a given distance in the sensor case; a shielding member (317) having a sufficient area to shield the lead contact from the magnet force when the member is in the steady-state position; and resilient members (323) holding the shielding member in the steady-state position between the lead contact and the magnet when the sensor is in the steady state so as to hold the lead contact in the first state, and moving the member to a position so as to cause the lead contact to reach the second state when the sensor receives a shock.

Inventors:

KOBAYASHI TATSUO (JP)
NAKAMURA KIYOTAKA (JP)
MATSUEDA HISAHARU (JP)
MAKIKI KAYOKO (JP)
HAMAZAKI ISAMU (JP)
WATANABE KAZUYA (JP)

Application Number:

PCT/JP1993/000790

Publication Date:

December 23, 1993

Filing Date:

June 14, 1993

Export Citation:

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Assignee:

OKI ELECTRIC IND CO LTD (JP)
KOBAYASHI TATSUO (JP)
NAKAMURA KIYOTAKA (JP)
MATSUEDA HISAHARU (JP)
MAKIKI KAYOKO (JP)
HAMAZAKI ISAMU (JP)
WATANABE KAZUYA (JP)

International Classes:

G01P15/135; H01H35/14; G01P21/00; H01H36/00; (IPC1-7): H01H35/14

Foreign References:

US4705922A	1987-11-10
JPS5247078Y2	1977-10-26
JPH04164258A	1992-06-09
JPH0161665U	1989-04-19

Other References: