Optical communication apparatus and method for telephone supervisory and audio signals
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United States of America Patent
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Mar 28, 1989
Grant Date -
N/A
app pub date -
Jan 29, 1987
filing date -
Jan 29, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention is for an optical communication apparatus for bidirectionally transmitting and receiving supervisory and audio signals. The apparatus includes a telephone line interface unit that receives electric audio and supervisory signals and converts them to optical signals. It is also includes means for receiving optical signals representing audio and supervisory signals. A data unit receives the optical audio and supervisory signals from the interface unit and converts them to electric audio and supervisory signals, and also includes means for receiving electric audio signals and supervisory signals and converting them to corresponding optical signals. An optical link connects the telephone line interface unit and data unit for bidirectional optical communication. A method of practicing the invention is also included.
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