Telephonic communications – Substation or terminal circuitry – Conversion of signal form
Patent
1996-03-27
1999-04-06
Hunter, Daniel S.
Telephonic communications
Substation or terminal circuitry
Conversion of signal form
379 6, 379392, 379404, H04M 900
Patent
active
058928235
ABSTRACT:
The present invention overcomes interface problems between proprietary handset ports on telephone base units and voice/data accessory products by allowing a user to automatically calibrate the telephone accessory product for an optimal interface match with the intended telephone base unit. This is accomplished through the use of a "Smart Interface Technology" (SIT) integrated chip set consisting of a full custom analog and semi-custom digital integrated circuit. The SIT incorporates three different methods for "learning " the characteristics of 4-wire port modular interfaces found in all telephone station sets. Basically, these methods determine the appropriate 4-wire terminal configurations, the transmit and receive channels of the intended telephone base unit, and adjust the channel sensitivities until an optimal and clear signal is provided for the user.
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Hunter Daniel S.
Saint-Surin Jacques
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