Electric isolation between infrared receiver and further electronic circuits

A subscriber callback modem, includes a source of callback data. A modem is coupled to a subscriber telephone line, and a control circuit is coupled between the data source and the modem, for conditioning the modem to automatically call a central computer and transfer the callback data from the data...

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Bibliographic Details
Main Authors N.D. BOETTNER, R.A. PITSCH, J.P. MANNING
Format Patent
LanguageEnglish
Published 01.01.2003
Edition7
Subjects
BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
HANDLING RECORD CARRIERS
NATURALLY-OCCURRING ELECTRICITY
PHYSICS
PRESENTATION OF DATA
PULSE TECHNIQUE
RECOGNITION OF DATA
RECORD CARRIERS
SELECTING
SELECTING RESONANT CIRCUITS
STATIC ELECTRICITY
TELEPHONIC COMMUNICATION
TRANSMISSION
TUNING RESONANT CIRCUITS
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Summary:A subscriber callback modem, includes a source of callback data. A modem is coupled to a subscriber telephone line, and a control circuit is coupled between the data source and the modem, for conditioning the modem to automatically call a central computer and transfer the callback data from the data source to the central computer.
Bibliography:Application Number: CN19961080025