Distance measurement method and apparatus, and relative position

Details Distance measurement method and apparatus, and relative position Distance measurement method and apparatus, and relative position

1990-11-26

1992-07-07

Tarcza, Thomas H.

Pulse or digital communications

Repeaters

Testing

342458, 380 48, 364717, H04L 900

Patent

active

051289610

ABSTRACT:
A distance measurement apparatus receives pseudo noise reflected from a target object. The apparatus then obtains a cross-correlation value from cross-correlation of the received pseudo noise with pseudo noise which has been convoluted with expected measurement values. The apparatus measures a distance to the target object based upon the cross-correlation value. Also, a relative position measurement apparatus measures distances to an operator from plural points on the apparatus and then measures a relative position of the operator with respect to the apparatus based upon the plural distances.

REFERENCES:
patent: 4041391 (1977-08-01), Deerkoski
patent: 4206462 (1980-06-01), Rabow et al.
patent: 4926440 (1990-05-01), Mikoshiba et al.
patent: 4943975 (1990-07-01), Kurihara et al.
patent: 5031130 (1991-07-01), Harada
patent: 5036330 (1991-07-01), Imae et al.

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