Pulse or digital communications – Receivers – Angle modulation
Patent
1994-10-04
1997-02-18
Bocure, Tesfaldet
Pulse or digital communications
Receivers
Angle modulation
375327, H04L 2706, H03D 324
Patent
active
056047711
ABSTRACT:
A system transmits computer data by converting and modulating the data into a sound file, allowing the sound file to be stored for later retrieval and transmission. The system includes a sound file creator for modulating input computer data and storing the data. In one embodiment the invention is used with a voice processing system, and can create data prompts, that are either stored or immediately transmitted to a screen telephone. The data prompts can include text and graphics for display on a remote screen telephone the connects to the voice processing system. The sound file creator uses a three layer communications protocol to translate the data into a data format, then modulates and equalizes the data for transmission over a telecommunications line. The data prompts are transmitted in response to a caller's inputs into the voice processing system. The transmitted data is received by a sound file receiver in a screen telephone, or like device, that demodulates the data and outputs to an appropriate display, printer or memory unit. Alternative embodiments of the invention include a facsimile like device for scanning, digitizing and transmitting input documents, and a system for outputting stored data from a memory unit such as a compact disc.
REFERENCES:
patent: 4682117 (1987-07-01), Gibson
patent: 5268647 (1993-12-01), Ichiyoshi
patent: 5473637 (1995-12-01), Gardner
"Radish Hits the Road", PC Week, Apr. 4, 1994 (1 page).
Radish Communications Voice View Promotional Document (5 pages).
Scanfone promotional document (3 pages).
Radish Communications Voice View, Press Release, Feb. 17, 1994 (4 pages).
Radish Communications Voice View Application Profile (2 pages).
Melvyl Search results on "Analog Display Services Interface", Jan. 26, 1994 (6 pages).
Bocure Tesfaldet
Smith A. C.
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