Transmitter/receiver and transmitting/receiving method

A transmitting/receiving method, comprising:

• controlling electrical connection between a second electrode and a third electrode by a transmitter/receiver that one of turns ON or turns OFF a switch, wherein the transmitter/receiver includes:
• a first electrode within a first specific distance from a communication medium;
• the second electrode that faces the first electrode;
• the third electrode within a second specific distance from the communication medium;
• a transmission circuit configured to transmit a signal, wherein the transmission circuit is connected to the first electrode and the second electrode;
• a reception circuit configured to receive the signal, wherein the reception circuit is connected to the first electrode and the second electrode;
• and
• the switch configured to electrically connect the second electrode to the third electrode;
• connecting the second electrode to the third electrode during the transmission of the signal;
• and
• disconnecting the electrical connection between the second electrode and the third electrode when power consumption required for the transmission of the signal exceeds a specific value during the transmission of the signal.

A transmitter/receiver, comprising:

• a first electrode within a first specific distance from a communication medium;
• a second electrode that faces the first electrode;
• a third electrode within a second specific distance from the communication medium;
• a transmission circuit configured to transmit a signal, wherein the transmission circuit is connected to the first electrode and the second electrode;
• a reception circuit configured to receive the signal, wherein the reception circuit is connected to the first electrode and the second electrode;
• a switch configured to electrically connect the second electrode to the third electrode;
• and
• an electrode control unit configured to:
• control the electrical connection between the second electrode and the third electrode by one of a turn ON operation or a turn OFF operation of the switch;
• connect the second electrode to the third electrode during the transmission of the signal;
• and
• disconnect the electrical connection between the second electrode and the third electrode when electric field intensity generated by the transmission of the signal exceeds a specific value during the transmission of the signal.

A transmitter/receiver, comprising:

• a first electrode within a first specific distance from a communication medium;
• a second electrode that faces the first electrode;
• a third electrode within a second specific distance from the communication medium;
• a transmission circuit configured to transmit a signal, wherein the transmission circuit is connected to the first electrode and the second electrode;
• a reception circuit configured to receive the signal, wherein the reception circuit is connected to the first electrode and the second electrode;
• a switch configured to electrically connect the second electrode to the third electrode;
• and
• an electrode control unit configured to:
• control the electrical connection between the second electrode and the third electrode by one of a turn ON operation or a turn OFF operation of the switch,
• wherein the second electrode is one of electrically connected or electrically disconnected from the third electrode based on detection of an error in data included in the received signal.

A transmitter/receiver, comprising:

• a first electrode within a first specific distance from a communication medium;
• a second electrode that faces the first electrode;
• a third electrode within a second specific distance from the communication medium;
• a transmission circuit configured to transmit a signal, wherein the transmission circuit is connected to the first electrode and the second electrode;
• a reception circuit configured to receive the signal, wherein the reception circuit is connected to the first electrode and the second electrode;
• a switch configured to electrically connect the second electrode to the third electrode;
• and
• an electrode control unit configured to:
• control the electrical connection between the second electrode and the third electrode by one of a turn ON operation or a turn OFF operation of the switch, wherein:
• the second electrode is one of electrically connected to or electrically disconnected from the third electrode based on detection of an error in data included in the received signal on reception of an acknowledgement signal, and
• the acknowledgement signal is based on the transmitted signal.

A transmitter/receiver, comprising:

• a first electrode within a first specific distance from a communication medium;
• a second electrode that faces the first electrode;
• a third electrode with in a second specific distance from the communication medium;
• a transmission circuit configured to transmit a signal, wherein the transmission circuit is connected to the first electrode and the second electrode;
• a reception circuit configured to receive the signal, wherein the reception circuit is connected to the first electrode and the second electrode;
• a switch configured to electrically connect the second electrode to the third electrode;
• and
• an electrode control unit configured to:
• control the electrical connection between the second electrode and the third electrode by one of a turn ON operation or a turn OFF operation of the switch,
• wherein the second electrode is one of electrically connected or electrically disconnected from the third electrode based on a received signal strength indicator (RSSI) of the received signal.