Dial inbound meter interface unit which derives power from telephone line when telephone is ringing
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United States of America Patent
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-
Nov 9, 1999
Grant Date -
N/A
app pub date -
Jul 8, 1996
filing date -
Jul 8, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention is a dial inbound MIU which includes a rechargeable power supply, such as a double layer capacitor (sometimes called a 'supercapacitor' or a 'SuperCap') or a rechargeable battery. The power supply can be recharged from the telephone line, either from the DC current available when the phone line is on-hook or off-hook or from the AC current which is available when the telephone line is ringing.
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