Guidance system and method

Details Guidance system and method Guidance system and method

2011-07-12

2011-07-12

Chowdhury, Tarifur (Department: 2886)

Optics: measuring and testing

Position or displacement

C356S620000

Reexamination Certificate

active

07978345

ABSTRACT:
The invention teaches using a directional light source to direct light at a target having directional indicia thereon. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

REFERENCES:
patent: 5285205 (1994-02-01), White
patent: 6163253 (2000-12-01), Yaron et al.
patent: 6184800 (2001-02-01), Lewis
patent: 6946973 (2005-09-01), Yanda
patent: 7286230 (2007-10-01), Salmon
patent: 2003/0037718 (2003-02-01), Randhawa

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