Optics: measuring and testing – Document pattern analysis or verification
Patent
1994-03-17
1996-05-14
Rosenberger, Richard A.
Optics: measuring and testing
Document pattern analysis or verification
356394, G07C 1100
Patent
active
055172997
ABSTRACT:
A key plate examination apparatus and examination method whereby the form of an examined key plate can be recognized accurately and form information of a reference key plate can be compared with the recognized key plate form to determine their conformity rapidly. The form of the examined key plate is recognized by form recognition means, and form information is generated by form information generation means in response to the recognized form of the examined key plate. On the other hand, form information of the key number corresponding to a key number input externally is retrieved by key number retrieval means from a key information memory means storing the key number proper to the reference key plate and its corresponding form information. The form information generated by the form information generation means is compared with the form information retrieved by the key number retrieval means to determine their conformity by determination means. The operator is informed of the determination result of the determination means by communication means.
REFERENCES:
patent: 3797936 (1974-03-01), Dimitriadis
patent: 4079605 (1978-03-01), Bartels
patent: 4283859 (1981-08-01), Roland
Katayama Tsuyoshi
Mishima Yasuo
Teratani Tatsuo
Rosenberger Richard A.
Toyota Jidosha & Kabushiki Kaisha
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