Hall effect device assembly

Details Hall effect device assembly Hall effect device assembly

1987-09-03

1988-05-03

Jordan, Charles T.

Ammunition and explosives

Miscellaneous

102200, F42C 1906

Patent

active

H00004669

ABSTRACT:
A system for sensing the angular position of a code ring of magnetic matel which is rotatable about a cylindrical housing, also magnetic material, to any one of a predetermined number of code ring settings. Either or both the cylindrical housing and the code ring include permanent magnets to provide a magnetic circuit including both of these elements. The code ring has an inner surface which carries an N-bit digital code of magnetic material in N tracks. N Hall effect digital switches are disposed on the cylindrical housing adjacent the N tracks of digital code bits, respectively. Each Hall effect digital switch senses whether a code bit is adjacent to it. The Hall effect digital switches are read by associated electronics within the housing to provide a digital signal indicating the code ring setting.

REFERENCES:
patent: 4594944 (1986-06-01), Rongus et al.
Engineering Bulletin 27607A, Sprague Electric Company, Concord, NH 03301.

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