G - Physics – 01 – D
Patent
G - Physics
01
D
G01D 5/39 (2006.01) B23K 26/40 (2006.01) G01D 5/32 (2006.01) G01D 5/347 (2006.01) G06K 1/12 (2006.01) G06K 7/10 (2006.01)
Patent
CA 2585151
A mechanical element comprising an optically readable marking, the optically readable marking comprising a surface having a first reflectivity and a plurality of areas having a second reflectivity, said areas having a second reflectivity have a width which is generally constant in a direction parallel to the direction of movement of the mechanical element, wherein the optically readable marking comprises a plurality of code elements, each having a plurality of said areas of second reflectivity, each code element encoding a different numerical value in binary digits, wherein each binary digit is indicated by the distance between two of said areas having a second reflectivity.
Brassington Roger William
Moore Ian Arnold
Shepherd John
Whatley Mark Lewis
J. C. Bamford Excavators Limited
J.c. Bamford Excavators Limited
Ridout & Maybee Llp
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