Method for locating a light source relative to optics in an...

Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device

Reexamination Certificate

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C345S163000, C345S164000, C345S165000, C345S167000

Reexamination Certificate

active

10840068

ABSTRACT:
An optical tracking assembly for an optical mouse includes a light source, an optical sensor chip, and an integral optics assembly. The integral optics assembly includes lenses and alignment features receiving the light source. The alignment features center the light source to the lenses and control a distance the light source is placed away from a navigation surface that reflects light onto the optical sensor chip. The lenses may include (1) collimating lenses for collimating light from the light source along a first optical axis to the navigation surface, and (2) imaging lenses for imaging reflected light from the navigation surface along a second optical axis to the optical sensor chip.

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patent: 6421045 (2002-07-01), Venkat et al.
patent: 7068257 (2006-06-01), Bohn
patent: 7131751 (2006-11-01), Theytaz et al.
patent: 2003/0034959 (2003-02-01), Davis et al.
Solid-State Optical Mouse Sensor with PS/2 and Quadrature Outputs Application Note 1179 HDNS 2000, HDNS-2100 & HDNS-2200 Oct. 24, 2001.
Solid-State Optical Mouse Lens Agilent HDNS-2100 Data Sheet Apr. 25, 2001.
Agilent ADNS-2620 Optical Mouse Sensor Product Overview Jun. 17, 2003.
Agilent ADNK-2623 Optical Mouse Designer's Kit Product Overview Jul. 3, 2003.
Solid-State Optical Mouse LED Assembly Clip Technical Data HDNS-2200 & HDNS-2200 #001.

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