Computer-to-telephone interface

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5790644
SERIAL NO

08725183

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A portable computer, such as a laptop, notebook, or palmtop computer, comprises control routines for providing a sophisticated touch-tone dialer operable through an existing or supplied output speaker, enabling calls to be routed without making a wired direct connection between the telephone equipment and the computer. In one embodiment a system is provided for transmitting computer-usable data over a phone connection through a pre-stored relationship between DTMF tones and ASCII code.

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Patent Owner(s)

Patent OwnerAddress
PDACO LTDP O BOX 119 MARTELLO COURT ADMIRAL PARK ST PETER PORT GUERNSEY CHANNEL ISLANDS GY1 3HB

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kikinis, Dan Saratoga, CA 371 20645

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