Antenna driving apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 11, 2018
Grant Date -
Feb 2, 2017
app pub date -
Apr 18, 2016
filing date -
Jul 30, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An antenna driving apparatus includes: a direct current power source supplying direct current power to a human detecting IC detecting contact to a human detecting area by a user, the power source outputting a power source voltage to a first connecting line connected to a power source terminal of the IC and outputting a reference potential to a second connecting line connected to a GND terminal of the IC; an antenna driving circuit driving an antenna transmitting a signal to a portable device, the antenna driving circuit outputting a first antenna drive signal to the first connecting line and outputting an antenna drive signal; and a control unit performing switching control of the power source voltage and the antenna drive signal to be output to the first and second connecting lines and switching control of the antenna driving circuit.
First Claim
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International Classification(s)
- G07C:TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDIC....
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- H04B:TRANSMISSION
- B60R:VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT ....
- B60C:VEHICLE TYRES
- H01Q:AERIALS
- G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....
- G01D:MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VAR....
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