Sensor element for revolution counter

Details Sensor element for revolution counter Sensor element for revolution counter

2007-07-03

2007-07-03

Patidar, Jay M. (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

C324S207250, C324S252000

Reexamination Certificate

active

10525518

ABSTRACT:
The invention concerns a sensor element (11) designed in particular for a revolution counter (10). It is possible to pass a magnetic field in front of said sensor element (11). The latter (11) has a laminated structure (2) and a shape (30) such that power supply is not needed to cause a modification of magnetization in the sensor element (11) when the magnetic field passes in front thereof, and in that several such modifications can be stored.

REFERENCES:
patent: 5475304 (1995-12-01), Prinz
patent: 6219212 (2001-04-01), Gill et al.
patent: 197 46 199 (1999-04-01), None
patent: 0 721 563 (2000-06-01), None
patent: WO 00/17660 (2000-03-01), None
International Search Report (PCT/ISA/210).
International Preliminary Examination Report (PCT/IPEA/409).
European Office Action dated Oct. 26, 2006.

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