Wireless audio output assembly for projectors

Details Wireless audio output assembly for projectors Wireless audio output assembly for projectors

2007-08-07

2007-08-07

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

With sound accompaniment

C353S030000, C353S119000, C353S122000, C348S838000

Reexamination Certificate

active

11014826

ABSTRACT:
The present invention discloses an improved wireless audio output assembly for projectors, which comprises a system unit having a projector circuit therein and a projector lens disposed on the exterior of the system unit, and the system unit has a card-type wireless audio output circuit installed therein and a wireless active speaker installed on the exterior of the system unit, so that a projector can be used as a standalone device without connecting to external cables to read data from a memory card, view video images, and read audio/video signals of an optical disk. The projector can be upgraded to the user's desired wireless audio output circuit by inserting various different cards for the expansion.

REFERENCES:
patent: 6959991 (2005-11-01), Ho et al.
patent: 6966651 (2005-11-01), Johnson

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