Image analysis – Histogram processing – For setting a threshold
Patent
1985-06-04
1988-05-31
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
382 12, G06K 918
Patent
active
047486732
ABSTRACT:
A reader for reading magneto-optical characters, with the options of printing them or storing them.
A track is provided for driving a check from an inlet plate (T1) over various portions of path (T2, T3 and T4). Wheels (G1 and G2) are provided beneath the path, and may be motor driven. Above said wheels there are heads (TM1 and TM2) respectively for premagnetizating and reading CMC7 characters. Each head is mounted on one arm of a corresponding bell crank (L1, L2) which cranks are pivoted to a frame at their corners (L10 and L20). The other arm (L12 and L22) of said bell cranks are resiliently urged by springs (L15 and L25) mounted on an actuator rod (AC) which is itself driven by an electromagnet (EM2). It has turned out that such an assembly ensures effective transducer operation of the heads (TM1 and TM2) for reading CMC7 characters.
REFERENCES:
patent: 3949363 (1976-04-01), Holm
patent: 4023203 (1977-05-01), Baba et al.
patent: 4040108 (1977-08-01), Nakata
patent: 4331863 (1982-05-01), Sidline et al.
patent: 4345168 (1982-08-01), Fisher
patent: 4385285 (1983-05-01), Horst et al.
patent: 4404649 (1983-09-01), Nunley et al.
Article entitled "Handpulled Magnetic Card, Mass Storage System for a Portable Computer"--by K. R. Hoecker et al--pp. 15-23, Jun. 83.
Barre Yvon
Deleuze Bernard
Maury Lionel
Boudreau Leo H.
Brim Steven
Dubno Herbert
Electronique Serge Dassault
Ross Karl F.
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