ELEVATOR COMMUNICATIONS SYSTEM
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Feb 13, 2020
app pub date -
Aug 8, 2019
filing date -
Aug 8, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
An elevator system includes a hoistway; an elevator car configured to travel in the hoistway; a local gateway device configured to communicate with a remote system over a communications network; a communications apparatus installed at the elevator car, the communications apparatus including a codec configured to encode audio data from the elevator car prior to transmission to the local gateway device.
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