Registers – Coded record sensors
Patent
1981-04-09
1984-01-17
Pitts, Harold I.
Registers
Coded record sensors
235449, 235454, 235458, 235480, 235494, 360 40, G06K 700, G06K 708, G06K 710, G06K 1906
Patent
active
RE0315010
ABSTRACT:
A method of representing decimal numbers in a quasi binary coded decimal (BCD) form is disclosed along with apparatus for using the same. The value assigned to a combination of binary bits is dependent on the location of the combination on the medium which is encoded. Use is made of the direction of motion of the medium to determine the position and hence the decimal value of specific combinations of binary bits. By interpreting certain combinations of bits in two different ways, an additional binary bit of information can be obtained from a given number of bits increasing the obtainable information from conventional BCD codes.
REFERENCES:
patent: 3064887 (1962-11-01), Waters
patent: 3114144 (1963-12-01), Woo
patent: 3345500 (1967-10-01), Russell
Pitney Bowes Inc.
Pitts Harold I.
Scribner Albert
Soltow, Jr. William
Vrahotes Peter
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