Apparatus and method for determining the position of a...

Details Apparatus and method for determining the position of a... Apparatus and method for determining the position of a...

2006-08-29

2008-11-25

Nguyen, Hung T. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S686100, C340S539100, C340S539130, C340S870030, C340S870030, C235S383000, C235S385000, C705S014270, C705S014270, C705S026640

Reexamination Certificate

active

07456742

ABSTRACT:
A mobile platform such as a shopping cart, flatbed cart or lift truck is provided with a plurality of radiation detectors which are screened or limited in scope of view and which cooperate with circuitry which can distinguish from the interaction of the sensors with emitters the position of the platform. Position consists of location and orientation. Each detector or sensor is screened to limit its view to a defined portion of a sphere.

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