Technique for lensless optical positioning with a plurality...

Details Technique for lensless optical positioning with a plurality... Technique for lensless optical positioning with a plurality...

2006-10-24

2006-10-24

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S206100

Reexamination Certificate

active

07126105

ABSTRACT:
Systems and methods for determining a position of an object are provided by the present invention. Light is captured by at least one collector. Each collector has a first opening through which light enters that is larger than a second opening through which light exits. The exiting light is used by at least one light detector to generate signals. The position of the object is determined based upon the generated signals.

REFERENCES:
patent: 4212516 (1980-07-01), Sawamura

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