Project equipped with ultrasonic speaker, and method for...

Details Project equipped with ultrasonic speaker, and method for... Project equipped with ultrasonic speaker, and method for...

2011-03-22

2011-03-22

Epps, Georgia Y (Department: 2878)

Optics: image projectors

With sound accompaniment

C353S121000, C073S001820, C073S001460, C381S116000

Reexamination Certificate

active

07909466

ABSTRACT:
A projector includes an ultrasonic speaker, a visual information generation unit that generates visual information relating to a sound reproduction range of the ultrasonic speaker, and an image projection unit that displays the visual information generated by the visual information generation unit on a screen.

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Translation of JP 11-095324 A. Sep. 4, 1999.
International Search Report and Written Opinion of the International Searching Authority (in English) dated May 23, 2005; ISA/JP.

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