Signal emitting apparatus and signal transmission/reception system

A signal emitting apparatus provided in a vehicle to which power is transferred from a ground side power supplying apparatus by noncontact, the signal emitting apparatus comprising:

• a signal emitting device for emitting a signal including information relating to the vehicle wirelessly toward the ground side power supplying apparatus;
• and
• a processor, wherein
• the processor is configured to:
• acquire information relating to an outside environment at surroundings of the ground side power supplying apparatus, and
• control the signal emitting device,
• the processor is configured to change a mode of wireless signal emission of the signal emitting device in accordance with the outside environment,
• the signal emitting device comprises:
• a magnetic field signal emitting device for emitting the signal toward the ground side power supplying apparatus not utilizing an electric wave but utilizing a magnetic field, and
• an electric wave signal emitting device for emitting the signal toward the ground side power supplying apparatus utilizing an electric wave,
• the processor is configured to switch the device used for emitting the signal toward the ground side power supplying apparatus, in accordance with the outside environment, between the magnetic field signal emitting device and the electric wave signal emitting device,
• the processor is configured to acquire an amount of moisture at the road at the surroundings of the ground side power supplying apparatus as information relating to the outside environment,
• the processor is configured to make the magnetic field signal emitting device emit the signal toward the ground side power supplying apparatus in response to the information relating to the outside environment indicating that the amount of moisture is greater than or equal to a predetermined reference amount of moisture, and
• the processor is configured to acquire the information relating to the outside environment from a server.

A signal emitting apparatus provided in a vehicle to which power is transferred from a ground side power supplying apparatus by noncontact, the signal emitting apparatus comprising:

• a signal emitting device for emitting a signal including information relating to the vehicle wirelessly toward the ground side power supplying apparatus;
• and
• a processor, wherein
• the processor is configured to:
• acquire information relating to an outside environment at surroundings of the ground side power supplying apparatus, and
• control the signal emitting device,
• the processor is configured to change a mode of wireless signal emission of the signal emitting device in accordance with the outside environment,
• the signal emitting device has an electric wave signal emitting device for emitting the signal toward the ground side power supplying apparatus wirelessly by electric waves of different frequencies,
• the processor is configured to acquire information relating to a presence of any precipitation at the surroundings of the ground side power supplying apparatus as the information relating to the outside environment,
• the processor is configured to make the signal emitting device emit the signal toward the ground side power supplying apparatus
• by an electric wave of a first frequency, in response to the information relating to the outside environment indicating that there is currently precipitation at the surroundings of the ground side power supplying apparatus, and
• by an electric wave of a second frequency higher than the first frequency, in response to the information relating to the outside environment indicating that there is not currently precipitation, and
• the processor is configured to acquire the information relating to the outside environment based on an amount of raindrops on a surface of the vehicle detected by a rain sensor.