Vehicle occupant information acquisition system

A vehicle occupant information acquisition system, comprising:

• an onboard device mounted to a vehicle used by a plurality of users;
• and
• at least one vehicular portable device associated with the onboard device,
• wherein:
• the onboard device includes:
• a vehicle-side transmission unit that sends a predetermined signal from a plurality of transmission antenna provided to send a signal in a frequency band receivable by the vehicular portable device;
• a vehicle-side reception unit that receives a signal sent from the vehicular portable device via a reception antenna;
• and
• a portable device location identification unit that identifies a portable device location which is a location where the vehicular portable device is present, by receiving a response signal sent from the vehicular portable device in response to the signal sent from the plurality of transmission antennae;
• the vehicle-side transmission unit sends from the transmission antennae a command signal requesting to identify a holder's terminal which is the portable terminal that is carried by the user carrying the vehicular portable device;
• the vehicular portable device includes:
• a first communication unit that sends a signal to and receives a signal from the onboard device and sends the response signal in response to a signal sent from the onboard device when the signal is received;
• a second communication unit that is provided to perform short-range wireless communication with each of a plurality of portable terminals carried by the plurality of users;
• a received signal strength indication detection unit that detects a received signal strength indication of the signal that the second communication unit receives from the portable terminal;
• a holder's terminal identification unit that identifies the holder's terminal based on the received signal strength indications detected by the received signal strength indication detection unit in a time zone defined in reference to a time point when the first communication unit receives the command signal;
• and
• a frequency characteristic analysis unit that, for each of the plurality of portable terminals, performs frequency characteristic analysis processing to analyze a frequency characteristic of waveform data indicating a temporal change in the received signal strength indication of the signal received from the portable terminal;
• when a portable terminal with the received signal strength indication at or above a predetermined finalization threshold is present, the portable terminal is identified as the holder's terminal by the holder's terminal identification unit;
• when the portable terminal with the received signal strength indication at or above the finalization threshold is absent, a portable terminal with which a frequency component corresponding to hand swing motion associated with walking is detected by the frequency characteristic analysis unit among the plurality of portable terminals is identified as the holder's terminal by the holder's terminal identification unit;
• the first communication unit sends to the onboard device holder information identifying the user of the holder's terminal identified by the holder's terminal identification unit;
• and
• the onboard device further includes a vehicle occupant information acquisition unit that identifies a portable device holder who is the user holding the vehicular portable device based on the holder information sent from the vehicular portable device, and identifies a seated location of the portable device holder based on the portable device location identified by the portable device location identification unit.

A vehicle occupant information acquisition system, comprising:

• an onboard device mounted to a vehicle used by a plurality of users;
• and
• at least one vehicular portable device associated with the onboard device,
• wherein:
• the onboard device includes:
• a vehicle-side transmission unit that sends a predetermined signal from a plurality of transmission antenna provided to send a signal in a frequency band receivable by the vehicular portable device;
• a transmission processing unit that regularly sends a signal from the vehicle-side transmission unit in a predetermined period;
• a vehicle-side reception unit that receives a signal sent from the vehicular portable device via a reception antenna;
• and
• a portable device location identification unit that identifies a portable device location which is a location where the vehicular portable device is present, by receiving a response signal sent from the vehicular portable device in response to the signal sent from the plurality of transmission antennae;
• the vehicle-side transmission unit sends from the transmission antennae a command signal requesting to identify a holder's terminal which is the portable terminal that is carried by the user carrying the vehicular portable device;
• the vehicular portable device includes:
• a first communication unit that sends a signal to and receives a signal from the onboard device and sends the response signal in response to a signal sent from the onboard device when the signal is received;
• a second communication unit that is provided to perform short-range wireless communication with each of a plurality of portable terminals carried by the plurality of users;
• a received signal strength indication detection unit that detects a received signal strength indication of the signal that the second communication unit receives from the portable terminal;
• a holder's terminal identification unit that identifies the holder's terminal based on the received signal strength indications detected by the received signal strength indication detection unit;
• a vehicle signal strength indication detection unit that detects a received strength indication of the signal sent from the onboard device;
• and
• a location change determination unit that determines whether a location of the vehicular portable device with respect to the vehicle is changing, based on presence or absence of a temporal change in the received strength indication detected by the vehicle signal strength indication detection unit;
• the holder's terminal identification unit determines the holder's terminal by using, among the received signal strength indications detected by the received signal strength indication detection unit in a time zone defined in reference to a time point when the first communication unit receives the signal, the received signal strength indications acquired during the location change determination unit determining that the location of the vehicular portable device with respect to the vehicle is changing;
• the first communication unit sends to the onboard device holder information identifying the user of the holder's terminal identified by the holder's terminal identification unit;
• and
• the onboard device further includes a vehicle occupant information acquisition unit that identifies a portable device holder who is the user holding the vehicular portable device based on the holder information sent from the vehicular portable device, and identifies a seated location of the portable device holder based on the portable device location identified by the portable device location identification unit.

A vehicle occupant information acquisition system, comprising:

• an onboard device mounted to a vehicle used by a plurality of users;
• and
• at least one vehicular portable device associated with the onboard device,
• wherein:
• the onboard device includes:
• a vehicle-side transmission unit that sends a predetermined signal from a plurality of transmission antennae provided to send a signal in a frequency band receivable by the vehicular portable device;
• and
• a vehicle-side reception unit that receives a signal sent from the vehicular portable device via a reception antenna;
• the vehicular portable device includes:
• a first communication unit that sends a signal to and receives a signal from the onboard device and sends a response signal in response to a signal sent from the onboard device when the signal is received;
• a second communication unit that is provided to perform short-range wireless communication with each of a plurality of portable terminals carried by the plurality of users;
• and
• a state quantity acquisition unit that, from a device for detecting a predetermined state quantity which changes due to a behavior of a portable device holder who is one of the users carrying the vehicular portable device, acquires a detection result of the state quantity and saves the detection result into a predetermined storage medium;
• each portable terminal is configured to send location history data indicating a history of location of the portable terminal, which is determined by receipt of positioning signals sent from positioning satellites, to the vehicular portable device as behavior notification data,
• the vehicular portable device further includes a holder's terminal identification unit that identifies a holder's terminal which is the portable terminal carried by the portable device holder, based on the behavior notification data sent from each of the plurality of portable terminals and a history of the state quantity of the vehicular portable device acquired by the state quantity acquisition unit;
• the first communication unit sends holder information identifying a user of the holder's terminal identified by the holder's terminal identification unit to the onboard device;
• the onboard device further includes a vehicle occupant information acquisition unit that identifies the portable device holder based on the holder information sent from the vehicular portable device;
• the vehicular portable device further includes, as the state quantity acquisition unit, a location information acquisition unit that acquires location information indicating a present location of the vehicular portable device determined by receipt of positioning signals sent from positioning satellites and that saves the acquired location information into the storage medium;
• and
• the holder's terminal identification unit identifies the holder's terminal, based on the location history data provided from the portable terminals as the behavior notification data and a history of the location of the vehicular portable device acquired by the state quantity acquisition unit.

A vehicle occupant information acquisition system, comprising:

• an onboard device mounted to a vehicle used by a plurality of users;
• and
• at least one vehicular portable device associated with the onboard device,
• wherein:
• the onboard device includes:
• a vehicle-side transmission unit that sends a predetermined signal from a plurality of transmission antenna provided to send a signal in a frequency band receivable by the vehicular portable device;
• a vehicle-side reception unit that receives a signal sent from the vehicular portable device via a reception antenna;
• and
• a portable device location identification unit that identifies a portable device location which is a location where the vehicular portable device is present, by receiving a response signal sent from the vehicular portable device in response to the signal sent from the plurality of transmission antennae;
• the vehicular portable device includes:
• a first communication unit that sends a signal to and receives a signal from the onboard device and sends the response signal in response to a signal sent from the onboard device when the signal is received;
• a second communication unit that is provided to perform short-range wireless communication with each of a plurality of portable terminals carried by the plurality of users;
• a received signal strength indication detection unit that detects a received signal strength indication of the signal that the second communication unit receives from the portable terminal;
• and
• a holder's terminal identification unit that identifies a holder's terminal which is the portable terminal that is carried by the user carrying the vehicular portable device, based on the received signal strength indications detected by the received signal strength indication detection unit;
• the first communication unit sends to the onboard device holder information identifying the user of the holder's terminal identified by the holder's terminal identification unit;
• and
• the onboard device further includes a vehicle occupant information acquisition unit that identifies a portable device holder who is the user holding the vehicular portable device based on the holder information sent from the vehicular portable device, and identifies a seated location of the portable device holder based on the portable device location identified by the portable device location identification unit.