Mechanical convergence fixture apparatus and method

Details Mechanical convergence fixture apparatus and method Mechanical convergence fixture apparatus and method

1998-03-24

2000-08-22

Dowling, William

Optics: image projectors

Housing

353121, 349 58, G03B 2114

Patent

active

061061204

ABSTRACT:
A mechanical convergence fixture apparatus (10) having an LCD frame assembly (12) which is positioned in relation to a projector chassis (14) using an alignment assembly (12) which is positioned in relation to a projector chassis (14) using an alignment assembly (16). The LCD frame assembly (12) has a micro LCD (24) rigidly affixed thereto and a field lens (32) adjustably affixed thereto. A vacuum chuck (40) holds the LCD frame assembly (12) on the alignment assembly (16) while the LCD frame assembly (12) is positioned. A drop of adhesive (62) is then placed on each of a plurality of locating studs (18) and a like plurality of locating holes (20) to affix the LCD frame assembly (12) in position on the chassis (14). The alignment assembly (16) is then detached from the LCD frame assembly (12) to be reused.

REFERENCES:
patent: 5092671 (1992-03-01), Van Os
patent: 5329391 (1994-07-01), Miyamoto et al.
patent: 5418586 (1995-05-01), Fujimori et al.
patent: 5455678 (1995-10-01), Loucks
patent: 5624174 (1997-04-01), Loucks
patent: 5754260 (1998-05-01), Ooi et al.
patent: 5842761 (1998-12-01), Futakami et al.
patent: 5868485 (1999-02-01), Fujimori et al.

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