Method of transforming geographic coordinate

Details Method of transforming geographic coordinate Method of transforming geographic coordinate

2011-03-08

2011-03-08

Williams, Howard (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from mixed base codes

C701S200000

Reexamination Certificate

active

07903005

ABSTRACT:
A method of transforming a geographic coordinate to a geographic location code includes the steps of: retrieving a latitude value and a longitude value of the geographic coordinate; quantizing the latitude value to a first integer value; quantizing the longitude value to a second integer value; converting the first integer value to a first code string, said first code string including a first digit representing a non-numeric character, a second digit representing a non-numeric character, and a third digit representing a numeric character; converting the second integer value to a second code string, said second code string including a fourth digit representing a non-numeric character, a fifth digit representing a non-numeric character, and a sixth digit representing a numeric character; and combining the first code string and the second code string to obtain the geographic location code having a fixed pattern of radix in a mixed radix notation system representation.

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Keizo Sugiyama et al., Technical Report of IEICE, vol. 93 No. 486, p. 7-14 Feb. 1994.

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