Image display apparatus

Details Image display apparatus Image display apparatus

2011-03-01

2011-03-01

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S196100, C359S197100, C359S208100, C359S212100

Reexamination Certificate

active

07898713

ABSTRACT:
At least one exemplary embodiment is directed to an image display apparatus which displays an image on a surface to be scanned and includes a light source configured to emit a light beam modulated on the basis of image information, a scanner configured to scan the surface to be scanned with the light beam emitted from the light source, a light receiver configured to receive the light beam that is incident upon a particular area of the surface to be scanned when the surface to be scanned is scanned with the light beam, a first determiner configured to determine whether or not an output signal from the light receiver are output at a predetermined time interval, and a controller configured to control driving of the light source on the basis of a determination signal from the determiner.

REFERENCES:
patent: 5489950 (1996-02-01), Masuda
patent: 7711175 (2010-05-01), Endo et al.
patent: 2004/0264006 (2004-12-01), Hatakeyama et al.
patent: 2004-094199 (2004-03-01), None
patent: 2004-264670 (2004-09-01), None
patent: 2005-024695 (2005-01-01), None

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