COMMUNICATION EQUIPMENT AND ELECTRONIC EQUIPMENT
A communication equipment includes a conductor element, a capacitive proximity detection sensor circuit, and a wireless communication circuit. The capacitive proximity detection sensor circuit processes a capacitance detection signal that the conductor element transmits or receives, and the wireless communication circuit processes a wireless signal that the conductor element transmits or receives.
1 . A communication equipment comprising:
a conductor element;
a capacitive proximity detection sensor circuit configured to process a capacitance detection signal that the conductor element transmits or receives; and
a wireless communication circuit configured to process a wireless signal that the conductor element transmits or receives.
2 . The communication equipment as claimed in claim 1 , further comprising a first filter connected between the conductor element and the capacitive proximity detection sensor circuit.
3 . The communication equipment as claimed in claim 2 ,
wherein the first filter is a low-pass filter whose transmission coefficient S 21 is equal to or larger than a predetermined value in a frequency band lower than a predetermined frequency.
4 . The communication equipment as claimed in claim 3 ,
wherein the first filter passes the capacitance detection signal therethrough.
5 . The communication equipment as claimed in claim 1 , further comprising a second filter connected between the conductor element and the wireless communication circuit.
6 . The communication equipment as claimed in claim 5 ,
wherein the second filter is a high-pass filter whose transmission coefficient S 21 is equal to or larger than a predetermined value in a frequency band higher than a predetermined frequency.
7 . The communication equipment as claimed in claim 5 ,
wherein the second filter passes the wireless signal.
8 . The communication equipment as claimed in claim 1 , further comprising:
a first filter connected between the conductor element and the capacitive proximity detection sensor circuit; and
a second filter connected between the conductor element and the wireless communication circuit.
9 . The communication equipment as claimed in claim 8 ,
wherein the first filter is a low-pass filter whose transmission coefficient S 21 is equal to or larger than a predetermined value in a frequency band lower than a predetermined frequency, and
wherein the second filter is a high-pass filter whose transmission coefficient S 21 is equal to or larger than a predetermined value in a frequency band higher than a predetermined frequency.
10 . The communication equipment as claimed in claim 9 ,
wherein the first filter passes the capacitance detection signal therethrough, and
wherein the second filter passes the wireless signal therethrough.
11 . The communication equipment as claimed in claim 1 , further comprising a first transmission line configured to connect a connection point between the capacitive proximity detection sensor circuit and the wireless communication circuit with the conductor element.
12 . The communication equipment as claimed in claim 11 ,
wherein the first transmission line is one of a coaxial cable and a micro-strip line.
13 . The communication equipment as claimed in claim 5 , further comprising a second transmission line to connect the wireless communication circuit with the second filter.
14 . The communication equipment as claimed in claim 13 ,
wherein the second transmission line is a coaxial cable or a micro-strip line.
15 . The communication equipment as claimed in claim 1 ,
wherein the capacitive proximity detection sensor circuit generates a detection signal when a human body is detected by the capacitance detection, and
wherein the equipment further comprises a controller configured to reduce a transmitting power of the wireless signal on the basis of the detection signal.
16 . The communication equipment as claimed in claim 1 ,
wherein the capacitive proximity detection sensor circuit generates a detection signal by the capacitance detection, and
wherein the equipment further comprises a controller configured to reduce a transmitting power of the wireless signal when a human body is detected on the basis of the detection signal.
17 . An electronic equipment comprising a communication equipment,
wherein the communication equipment comprising:
a conductor element;
a capacitive proximity detection sensor circuit configured to process a capacitance detection signal that the conductor element transmits or receives; and
a wireless communication circuit configured to process a wireless signal that the conductor element transmits or receives.