Method for encoding a machine-readable measurement scale

Details Method for encoding a machine-readable measurement scale Method for encoding a machine-readable measurement scale

1994-10-19

1996-11-05

Hajec, Donald T.

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Particular code pattern

G06V 1906

Patent

active

055720099

ABSTRACT:
A method for encoding a machine-readable scale in which a BP code is formed from a P code with length k and whose half-bits and whole bits are alternately provided with light and dark coloring. The method comprises the steps of forming an additional coding by means of a half-bit-by-half-bit comparison of the colors of the half-bit of the BP code of length k with the colors of the bits of a P code of length k+1, and further including the steps of assigning a light or dark coloring to the bits corresponding to their significance, and placing an additional bar with a complementary color of the respective half-bit of the BP code of length k in the center of the respective half-bit alternatively, depending on the agreement or disagreement of colors.

REFERENCES:
patent: 4084511 (1977-05-01), McJohnson
patent: 4605846 (1986-08-01), Duret et al.
patent: 4644143 (1987-08-01), McJohnson et al.
patent: 4707612 (1987-11-01), Martin
patent: 5298731 (1994-03-01), Ett
patent: 5446791 (1995-08-01), Wooley et al.

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