Communication apparatus and method with off-hook detection and power supply control
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United States of America Patent
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Aug 4, 2015
Grant Date -
Dec 18, 2014
app pub date -
May 28, 2014
filing date -
Jun 18, 2013
priority date (Note) -
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Abstract
A communication apparatus has an off-hook detection function, and has a first electric power supply for supplying electric power to a telephone control unit for controlling a telephone apparatus, and a second electric power supply for supplying electric power to an off-hook detection unit for detecting an off-hook of the telephone apparatus. The apparatus causes the off-hook detection unit to detect an off-hook of the telephone apparatus when, from a first power mode, a second power mode, in which electric power consumption is less than in the first power mode, is transitioned into.
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