Method and apparatus for reading a key

Details Method and apparatus for reading a key Method and apparatus for reading a key

E - Fixed Constructions

05

B

70/1

E05B 39/00 (2006.01) E05B 19/00 (2006.01) G01B 11/24 (2006.01) G01D 5/34 (2006.01)

Patent

CA 1167658

ABSTRACT OF THE DISCLOSURE A method and apparatus for reading a key, preferably a key of the type having indentations formed in the flat sides of the key blade. Typical uses for such method and apparatus include incorporating the same in a machine for making a lock to be opened by that key or incorpora- tion in a door lock to identify a given key and by this means a given holder of the key. Movement of reading pins which sense the key indentations are multiplied to cover or uncover groups of juxtaposed light paths to electronically record the depth of the key indentations. Plural indentations on a key can be read either sequen- tially or simultaneously in parallel.

377534

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