Invention Grant
- Patent Title: Lens cover
- Patent Title (中): 镜头盖
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Application No.: US11082589Application Date: 2005-03-17
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Publication No.: US07264362B2Publication Date: 2007-09-04
- Inventor: Stephan R. Clark , Glen Allen Oross , Peter M. On , Dennis R. Esterberg
- Applicant: Stephan R. Clark , Glen Allen Oross , Peter M. On , Dennis R. Esterberg
- Applicant Address: US TX Houston
- Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee Address: US TX Houston
- Main IPC: G03B21/14
- IPC: G03B21/14 ; G03B21/22
Abstract:
A lens cover that may be secured to a case of a projector is herein disclosed. The lens cover has incorporated therein a lens that may be aligned with a lens of the projector to modify the throw ratio of the projector lens.
Public/Granted literature
- US20060209271A1 Lens cover Public/Granted day:2006-09-21
Information query
