COMMUNICATION DEVICE

An S/N calculation circuit 12 to calculate the S/N ratio of a received signal, and an S/N comparison circuit 13 to compare the S/N calculated by the S/N calculation circuit 12 with a threshold Th are disposed, and a parameter setting circuit 14 controls the radiation state of a beam radiated from a…

METHOD AND APPARATUS FOR ESTIMATING MOVING DIRECTION OF USER AND COMPUTER-READABLE STORAGE MEDIUM HAVING RECORDED THEREON THE METHOD

A method of estimating a moving direction of a user of an apparatus is provided. The method includes obtaining change information of acceleration according to motions of the user from an acceleration sensor mounted in an apparatus for estimating the moving direction of the user, calculating a…

NAVIGATION DEVICE

The present invention enables to move an enlarged map displayed as a slave screen within a large-area map screen freely and at high speed. A navigation device includes: a map display means for displaying a large-area map screen showing a large-area map and displaying an enlarged map screen showing…

TRAVEL ORIENTATION CALCULATION APPARATUS, TRAVEL ORIENTATION CALCULATION METHOD, TRAVEL ORIENTATION CALCULATION PROGRAM, AND NAVIGATION APPARATUS

A travel orientation can be calculated with a high degree of accuracy. A travel orientation calculation apparatus of the present disclosure includes a detecting unit that detects a vertical acceleration representing an acceleration in a vertical direction and a horizontal acceleration representing…

Sensor unit

The unit has a combining circuit (13) including a signal line through which a high-frequency signal output from an antenna section (11) is sent and another signal line through which a signal output from a sensor section (12) is sent. A node is the connecting point of the two signal lines. A casing…

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