Abstract: A switch device includes a lid arranged between a tactile switch, which is arranged on a substrate, and an operation button, which is coupled to a retainer so that the operation button can be pushed. The lid includes an opening at a location corresponding to the tactile switch. A lower surface of the elastic member is coupled to a surface of the lid. The operation button, when pushed, activates the tactile switch with an elastic member. The operation body, when released from the pushed state, deactivates the tactile switch as a reaction force of the elastic member returns the operation button to an initial position. The switch device includes a projection that supports the operation button. The projection is formed on an upper surface of the elastic member at a location corresponding to the surface of the lid.

Abstract: A secret key registration system which registers a secret key in a portable key device and vehicle. A first transformation equation is stored in a writer and the vehicle. A second transformation equation is stored in the portable key device and the vehicle. The writer transmits a registration code to the portable key device and generates intermediate data with the first transformation equation of the writer. The intermediate data is transmitted to the portable key device, which generates the secret key from the intermediate data with the second transformation equation. The portable key device transmits the registration code to the vehicle. The vehicle generates intermediate data from the registration code with the first transformation equation of the vehicle, and then generates the secret key from the intermediate data with the second transformation equation.

Abstract: A switch device includes a lid arranged between a tactile switch, which is arranged on a substrate, and an operation button, which is coupled to a retainer so that the operation button can be pushed. The lid includes an opening at a location corresponding to the tactile switch. A lower surface of the elastic member is coupled to a surface of the lid. The operation button, when pushed, activates the tactile switch with an elastic member. The operation body, when released from the pushed state, deactivates the tactile switch as a reaction force of the elastic member returns the operation button to an initial position. The switch device includes a projection that supports the operation button. The projection is formed on an upper surface of the elastic member at a location corresponding to the surface of the lid.

Abstract: A secret key registration system which registers a secret key in a portable key device and vehicle. A first transformation equation is stored in a writer and the vehicle. A second transformation equation is stored in the portable key device and the vehicle. The writer transmits a registration code to the portable key device and generates intermediate data with the first transformation equation of the writer. The intermediate data is transmitted to the portable key device, which generates the secret key from the intermediate data with the second transformation equation. The portable key device transmits the registration code to the vehicle. The vehicle generates intermediate data from the registration code with the first transformation equation of the vehicle, and then generates the secret key from the intermediate data with the second transformation equation.

Abstract: An interior mirror which enables surveillance of a vehicle driver even at night, in tunnels and the like, without obstructing a forward field of vision of the vehicle driver or subjecting the vehicle driver to psychological pressure due to the presence of a surveillance device. Light with wavelengths in the infra-red light region is illuminated from infra-red LEDs inside a housing. When this light enters a filter from a rear face side thereof, the infra-red light that has wavelengths outside a range X is reflected, and the infra-red light that has wavelengths inside the range X is transmitted. This transmitted infra-red light is irradiated at the vehicle driver. This infra-red light is reflected from the vehicle driver, is incident at the filter from the front face side thereof and is again transmitted to the rear face side, and enters a lens of an infra-red camera.

Abstract: A mixing device for preparing an ink including: a mixing vessel including an injection nozzle and a discharge opening, both of which are provided on a bottom surface of the mixing vessel, wherein the injection nozzle faces in substantially a horizontal direction along a side surface of the mixing vessel to swirl the ink along the side surface, and the discharge opening is located on a downstream side from the injection nozzle relative to the swirling direction and at a position between the center of the bottom surface and the side surface; a connector connecting the injection nozzle with the discharge opening; and a pump configured to transport the ink from the discharge opening to the injection nozzle through the connector and inject the ink into the mixing vessel from the injection nozzle while applying a pressure to the ink.

Abstract: A mixing device for preparing an ink including: a mixing vessel including an injection nozzle and a discharge opening, both of which are provided on a bottom surface of the mixing vessel, wherein the injection nozzle faces in substantially a horizontal direction along a side surface of the mixing vessel to swirl the ink along the side surface, and the discharge opening is located on a downstream side from the injection nozzle relative to the swirling direction and at a position between the center of the bottom surface and the side surface; a connector connecting the injection nozzle with the discharge opening; and a pump configured to transport the ink from the discharge opening to the injection nozzle through the connector and inject the ink into the mixing vessel from the injection nozzle while applying a pressure to the ink.

Abstract: A door unlocking device for a vehicle includes transmit/receive device activated to send an operation signal to a portable transceiver and receives an identification code from the transceiver, the transmit/receive device unlocking a door locking mechanism when the identification code matches a preset registration code, a starter switch activating the transmit/receive device when a door knob of an exterior door handle is pressed toward a vehicle body through first door handle actuation, and the door knob actuated to a first operation position and unlock unit unlocking the door locking mechanism when the door knob of the exterior door handle is actuated to a second operation position as a result of second door handle actuation subsequent to the first door handle actuation in the direction opposite to the direction of the first door handle actuation.

Abstract: An apparatus for controlling driving of a power window system having a motor drive current detection device for detecting a current flowing through the motor when the door glass is raised by the motor, a current variation calculation device for calculating a variation amount of the current detected by the motor drive current detection device, and a drive control device for stopping or reversing the motor when the variation-amount of the current exceeds a predetermined value and the gradient of the variation amount of the current is positive when the variation of the current starts. The apparatus can quickly and accurately judge whether an abnormal current is caused by noises or the squeeze of an alien substance, thereby eliminating unnecessary operations of the motor.

Abstract: In an apparatus for driving and controlling a power window according to the present invention, a blanking period is provided to stop the comparison between a variation amount of motor current and a threshold value, during a predetermined period of time T after the drive of the motor has been started. The catching of a foreign object is detected based on the motor current value in the latter half Tm of the blanking period, and is detected based on the variation amount of the motor current after the blanking period. Erroneous operation due to noise at the beginning of the drive of the motor is prevented, and the catching of a foreign object is reliably detected.