Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent
1995-04-05
1996-12-10
Chan, Wing F.
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
379 97, 379207, H04M 1100
Patent
active
055839223
ABSTRACT:
A telecommunication system provides voice and data communications over a conventional telephone line between a server station and a client station using visual forms. The client station includes a processor, display, telephone, and data circuit-terminating equipment (DCE) for data communications. The server station includes a processor, DCE, and either a telephone or a voice card for audio communications. Each DCE includes a modem, a start signal generator for transmitting a start signal over the telephone line prior to transmission of data by the modem, a start signal detector, and a switch that automatically switches the DCE from voice mode to data mode while data is being communicated. The client processor also includes a definition of a visual form having a number of controls with predetermined properties, including properties defining permissible actions that can be taken with respect to each control and instructions to be executed in response to specified actions. The client employs a mouse, keyboard, or the like to select a control in the visual form and to perform an action on the selected control. At least some of the controls include a property directing the client processor to switch the DCE to data mode, transmit data identifying the action, and then return to voice mode. The server processor is programmed to execute steps in response to the actions received from said client station. The visual forms at both stations can be linked so that they are automatically updated to reflect actions at the other station.
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"intel Proshare Video System" advertisement, ABA Journal (page 17, Feb. 1995).
Brittain Anthony J.
Davis Richard A.
Smith Richard A.
Chan Wing F.
Radish Communication Systems, Inc.
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