Patent application number | Description | Published |
20090129510 | FREQUENCY SHIFT KEYING (FSK) DIGITAL SIGNAL RECEIVING APPARATUS - A frequency shift keying digital signal receiving apparatus includes a detecting portion detecting a new signal on the basis of a signal, from which a correlated ambient noise is filtered out by an adaptive filter, a holding portion holding a first electric power for the signal received before a new signal is detected, a calculating portion calculating a second electric power for the signal received after the new signal is detected, a comparing portion comparing levels of the first and second electric powers, a selector selecting the signal, from which the correlated ambient noise is filtered out, when the first electric power is higher than the second electric power and selecting the signal bypassing the adaptive filter when the first electric power is lower than the second electric power, and a demodulating portion demodulating a desired signal on the basis of the signal selected by the selecting portion. | 05-21-2009 |
20090129520 | DIGITAL SIGNAL RECEIVING APPARATUS - A digital signal receiving apparatus includes: detection-judging portion judging a possible presence of a desired signal when a signal level of a smoothed signal is greater than a reference level; wherein said first smoothed signal and said second smoothed signal are compared in order to generate a detection signal representing a judgment of a possible presence of a desired signal, said second smoothed signal having a convergence speed slower than that of the first smoothing filter, a filter controlling portion switching an adaptive filter from an adaptive mode to a non-adaptive mode when the detection-judging portion judges the possible presence of the desired signal and switching from the non-adaptive mode to the adaptive mode when the detection-judging portion judges the absence of the desired signal; a limiting portion limiting a signal level of an auto-correlation signal to the signal level of the smoothed signal; and a demodulating portion demodulating the auto-correlation signal having the signal level limited by the limiting means so as to generate a demodulated signal, wherein the input to the demodulator is limited to the level of a smoothed signal, said smoothed signal being generated from the input of the detection judging portion. | 05-21-2009 |
20090129523 | DIGITAL SIGNAL RECEIVING APPARATUS - A digital signal receiving apparatus includes a detection-judging portion having a first smoothing filter generating a first smoothed signal by smoothing an auto-correlation signal and judging a possible presence of a desired signal when a signal level of the first smoothed signal is greater than a reference level and an absence of the desired signal when being smaller than the reference level. The smoothing filter includes a limiting portion limiting a fluctuation width of the first smoothed signal; and an adjusting portion configured to adjust the fluctuation width of the first smoothed signal limited by the limiting portion to be reduced while an elapsing time after the detection-judging means judges the possible presence of the desired signal is increasing. | 05-21-2009 |
20090256704 | ABNORMALITY DETECTING APPARATUS - An abnormality detecting apparatus includes a power supply portion applying a voltage to electrodes provided at both surfaces of a light control glass adapted to be provided at a vehicle to change a transparency of the light control glass, a detection portion detecting a detectable amount obtained on the basis of the voltage applied to the electrodes, and an abnormality determination portion determining whether or not an abnormality occurs to the light control glass based on a predetermined detectable amount and the detectable amount detected by the detection portion. | 10-15-2009 |
20090279826 | DOOR HANDLE APPARATUS FOR VEHICLE - A door handle apparatus for a vehicle, opening and closing a vehicle door, the door handle apparatus includes an informing portion for visually informing a state of the vehicle door, including a locking/unlocking state thereof, to a user by a decorative light, which is a visible light, an operation detecting portion for optically detecting an active-direct operation to the door handle apparatus by the user based on changes in an detection light, and an optical waveguide for transmitting the decorative light and the detection light, which is inputted from a first end portion of the optical waveguide, to a second end portion of the optical waveguide, the optical waveguide functioning as the informing portion by leaking the decorative light on a transmission path so as to be outwardly emitted and as the operation detecting portion by outputting the detection light from the second end portion of the optical waveguide. | 11-12-2009 |
20110035116 | OCCUPANT PROTECTION SYSTEM FOR VEHICLE - An occupant protection system for vehicle, includes an own-vehicle information acquisition unit acquiring an own-vehicle information including a route information on a course of an own vehicle to a destination, an other-vehicle information acquisition unit acquiring other-vehicle information that is received through vehicle-to-vehicle communication and that includes position information of another vehicle, a crash condition calculation unit calculating a crash condition between the own vehicle and said another vehicle on the basis of the own-vehicle information and other-vehicle information, and an operation preparation unit preparing a system which corresponds to a crash damage decreasing system decreasing a level of a crash damage of an occupant of the own vehicle, and which is adapted to decrease the level of the crash damage that corresponds to the crash condition calculated by the crash condition calculation unit to operate. | 02-10-2011 |
20110068949 | VEHICLE-MOUNTED COMMUNICATION DEVICE - A vehicle-mounted communication device includes a non-directional antenna provided at a vehicle and having a directional characteristic in all directions uniformly in a horizontal plane, at least one of directional antennas provided at the vehicle and having a directional characteristic in a specific direction, an antenna switching portion switching so as to be connected to one of the non-directional antenna and the directional antenna on the basis of information to be sent in a case where the information is sent from the vehicle and switching so as to be connected to one of the non-directional antenna and the directional antenna on the basis of information to be received in a case where the information transmitted through the air is received. | 03-24-2011 |
20120217764 | MULTI-FUNCTION CAMERA SYSTEM - A multi-function camera system comprises a camera fixed to a vehicle component on a side of a vehicle for photographing a side area of the vehicle; a condition determination unit for determining execution conditions of a plurality of function units; an obstacle detection unit to function based on a determination result from the condition determination unit for detecting, through image recognition, an obstacle present in the vicinity of the vehicle or approaching the vehicle based on a captured image of the camera; and an individual authentication unit to function based on the determination result from the condition determination unit for ascertaining, through the image recognition, whether or not a person having reached the vehicle matches with a user who has been registered at the vehicle beforehand based on the captured image of the camera. | 08-30-2012 |