Device for examination of distances in a picture

Details Device for examination of distances in a picture Device for examination of distances in a picture

1978-02-13

1979-10-02

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

250560, 3401463H, 3401463Y, 356372, G06K 912

Patent

active

041700031

ABSTRACT:
A device for the examination of distances between two spaced apart objects in a two-dimensional digitized picture. A logical unit senses the binary values of the elements of a test pattern. Based on certain transitions in the values of the test pattern elements, the unit determines whether the distance between the two objects is less than a smallest allowable distance. A warning signal is generated if the objects are closer than the smallest allowable distance.

REFERENCES:
patent: 3255437 (1966-06-01), Singer
patent: 3395283 (1968-07-01), Sefton et al.
patent: 3671941 (1972-06-01), Takahashi et al.
patent: 3887762 (1975-06-01), Uno et al.
patent: 3890596 (1975-06-01), Beun et al.
patent: 4021778 (1977-05-01), Ueda et al.

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