| 摘要 |
PURPOSE:To light up an electric bulb on an unmanned base by loading a mobile station on a car, and making sure by a stationary station that electronic waves are receivable and a head lamps are lit. CONSTITUTION:Before a car A starts from the driver's home (base) H, an ignition device 4 is turned on, and a flag in ignited condition is stored in a memory. When the car comes away from the home and the home station 2 is out of flag reception for a certain period of time, the electric bulb flag is turned off. When the car A comes back to the home, it is now possible to receive electronic waves. When turning-on of a head-lamp switch 5 causes reception of a head-lamp flag at the home station 2, an indoor lamp L is lit up only when the electric bulb flag is in on condition. Turning-off of the ignition switch 4 sends an ignition flag off signal from the mobile station 3, which is received to turn off the ignition flag memory, and this condition is kept. According to this constitution, electric bulbs in home can be lit up automatically without requiring any operation of the driver. |
