Projecting apparatus with shooting function, program for...

Details Projecting apparatus with shooting function, program for... Projecting apparatus with shooting function, program for...

2006-08-15

2006-08-15

Tran, Thai (Department: 2616)

Television

Camera, system and detail

Optics

C348S552000

Reexamination Certificate

active

07092028

ABSTRACT:
After power is turned on, a control section causes a distance detecting section to detect a distance up to a screen, and controls focus positions of a projector lens and an imaging lens in synchronization with each other based on the detected distance (projection distance and subject distance) and an initialized zoom ratio. Moreover, when a change operation in angle of view is executed by a user in a user control apparatus, the control section changes a zoom ratio of the projector lens according to the user's operation and changes a zoom ratio of the imaging lens to correspond to the zoom ratio of the projector lens. The control section controls the zoom ratio and the focus position of the imaging lens in synchronization with setting of the zoom ratio and the focus position of the projector lens.

REFERENCES:
patent: 5027219 (1991-06-01), Stuttler et al.
patent: 2004/0130685 (2004-07-01), Wu
patent: 04-109235 (1992-10-01), None
patent: 11-305335 (1999-05-01), None
patent: 11-305335 (1999-11-01), None

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