Collision detecting system

Details Collision detecting system Collision detecting system

1976-02-12

1977-05-10

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

310 30, 73517AV, H02K 3500

Patent

active

040230562

ABSTRACT:
A collision detecting system is mounted on the front part of an automobile to detect collisions thereof and comprises a permanent magnet, a generating coil and a plunger as its principal component elements. In the system, the plunger in bar form is composed of a magnetic material and it is extended through and displaced within a space which is defined by the cylindrical permanent magnet and disk pole pieces provided at each end of the permanent magnet and having central openings, and the generating coil is mounted in the space to provide a magnetic circuit along with the plunger and the permanent magnet.

REFERENCES:
patent: 3024374 (1962-03-01), Stauder
patent: 3768832 (1973-10-01), Schmidt
patent: 3943390 (1976-03-01), Ochiai

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