System for playing pre-recorded audio encoded in infra-red...

Details System for playing pre-recorded audio encoded in infra-red... System for playing pre-recorded audio encoded in infra-red...

2005-06-21

2005-06-21

Ometz, David L. (Department: 2655)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Application

C713S193000, C396S312000

Reexamination Certificate

active

06910014

ABSTRACT:
A device is disclosed for playing prerecorded audio encoded in a fault tolerant manner as a series of infra-red ink dots printed on a card, in substantially the same area as an image printed on the card, using a page-width ink-jet printhead, the device comprising an infra-red scanner for scanning the infra-red (IR) form of the prerecorded audio; a decoder interconnected to the IR scanner for decoding the scanned audio encoding to produce a corresponding audio signal; and an audio emitter interconnected to the processor for emitting or playing the corresponding audio signal on demand. The encoding can include Reed-Solomon encoding of the prerecorded audio and can comprise an array of infrared ink dots which are high frequency modulated to aid scanning. The device can include a wand-like arm having a slot through which the card may be inserted.

REFERENCES:
patent: 5521663 (1996-05-01), Norris, III
patent: 5655164 (1997-08-01), Tsai
patent: 6252971 (2001-06-01), Wang
patent: 6322181 (2001-11-01), Silverbrook
patent: 6522767 (2003-02-01), Moskowitz et al.
patent: 6607267 (2003-08-01), Testardi et al.
patent: 6690881 (2004-02-01), Tomita et al.
patent: 0 907 139 (1999-04-01), None

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