Magnetic reading head having a tapered reading opening and/or a

Details Magnetic reading head having a tapered reading opening and/or a Magnetic reading head having a tapered reading opening and/or a

1991-07-05

1993-11-02

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235450, 360117, 360 2, G06K 708

Patent

active

052586030

ABSTRACT:
The invention concerns a reading head with a tapered reading opening and/or a tapered reading stylus for reading bar-type, especially passive magnetic information on a data carrier. A high resolution in reading this information with a high output signal is obtained by tapering the reading opening in direction of the end face of the reading head. The reading head is located in a casing pot and has at least one field plate sensor, on which side remote from the face a permanent magnet is placed with a magnetic shunt to the casing pot.

REFERENCES:
patent: 3710362 (1973-01-01), Manzo et al.
patent: 3723669 (1973-03-01), Bose et al.
patent: 4291351 (1981-09-01), Pennell et al.
Hall-effect magnetic sensor, Electronics, Feb. 1, 1973, pp. 91-96.

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