Wrongful authentication process is prevented. A passive entry authenticating section compares an identification signal sent from a portable unit with an identification signal previously stored in a storage section. A biometrics authenticating section compa...

A power source apparatus with a saving in wiring, large noise immunity and an additional function is achieved by connecting AC input bus lines (Vin +), (Vin-), DC output bus lines (Vo+), (Vo-) and a current balance signal bus line (CB) for connecting first...

A body motion detector, to be attached to or carried by a user for detecting body motions of the user, uses a plurality of sensors each for detecting body motions in a specified direction to output a body motion signal according to the user's body motion. ...

A stationary device 20 sends a portable-device finding signal to a portable device 10 from a plurality of stationary-device side antennae 24 and 25, which are located at different positions. Upon receipt of the portable-device finding signal from the stati...

A power supply module includes a plurality of power supply modules. One of the power supply units is designated as a master power supply unit. Other power supply units are handled as expansion power supply units. The power supply modules can be connected i...

A pedometer determines that the user does not wear the pedometer when the current number of steps is not more than a prescribed set value, not to employ the data of the current number of steps on the day the user does not wear the pedometer for calculating...