| Patent Number |
Title Of Patent |
Date Issued |
| 7400243 |
Communication apparatus for vehicle |
July 15, 2008 |
| A communication apparatus for a vehicle can achieve an inexpensive technique for determining whether a portable unit exists inside or outside the vehicle without depending upon LF band radio waves through contactless communication using high frequency band radio waves by separating a |
| 6894641 |
Radar system mounted on vehicle |
May 17, 2005 |
| To provide a radar system mounted on a vehicle that reliably detects the reception of the interference wave with high-performance and inexpensively. There is provided a radar system mounted on a vehicle for detecting a target object, including a transmitter for transmitting an electr |
| 6788246 |
In-vehicle pulse radar device |
September 7, 2004 |
| An in-vehicle pulse radar device includes: an oscillator that generates an electromagnetic wave; a transmission amplifier that transmits the electromagnetic wave generated by the oscillator toward a target substance; an antenna that receives the reception electromagnetic wave reflect |
| 6618653 |
Motor vehicle position recognizing system |
September 9, 2003 |
| A motor vehicle position recognizing system which can ensure high accuracy for an arithmetic processing for determining a vehicle position in a transverse direction of a road by minimizing error involved in the arithmetic processing by suppressing occurrence of discontinuity even when |
| 6502031 |
Vehicle position recognizing system |
December 31, 2002 |
| A vehicle position recognizing system includes at least one magnetic marker for forming a magnetic field at a predetermined position on the road surface and at least one magnetic sensor for detecting the intensity of the magnetic field formed by the magnetic marker. An on-vehicle detecto |
| 6369748 |
Radar system mounted on vehicle |
April 9, 2002 |
| A radar system mounted on a vehicle is capable of properly measuring an angle even when a linearity is impaired without increasing a scale of hardware and a load on signal processing, and exhibiting a high performance at a low cost. This system is constructed of a transmit-receive sh |
| 6246357 |
Radar apparatus |
June 12, 2001 |
| A radar apparatus is provided with signal converting means for FFT-transforming an output signal of reception means for detecting a reception electromagnetic wave; amplitude peak value detecting means for detecting a peak value of an amplitude level from a spectrum made by data conve |
| 6229474 |
Radar apparatus |
May 8, 2001 |
| A radar apparatus is comprised of; transmitting means for outputting a transmission electromagnetic wave; receiving means for IQ-phase-detecting a reception electromagnetic wave received when a transmission electromagnetic wave is reflected from a target object and returned from the |
| 6218981 |
Radar device for vehicle |
April 17, 2001 |
| A radar device for vehicle comprising a means for transmitting electromagnetic waves, a means for receiving the electromagnetic waves reflected by a target object, a signal processing means for obtaining a range, a relative velocity, and receipt intensity of the target object based o |
| 6204803 |
Radar apparatus |
March 20, 2001 |
| A radar apparatus is comprised of: receiving means for IQ-phase-detecting a reception electromagnetic wave received when a transmission electromagnetic wave is reflected from a target object and returned from the target object; signal converting means for FFT-processing an output sig |
| 6067038 |
Vehicle-mounted radar apparatus |
May 23, 2000 |
| A vehicle-mounted radar apparatus comprises: a transmitting-receiving device 8 including an FM modulator 1 for generating an FM modulation signal, a voltage controlled oscillator 2 for generating an electromagnetic wave subjected to FM modulation by the FM modulation signal, a transm |
| 6037895 |
Vehicle mounted radar apparatus |
March 14, 2000 |
| In a vehicle mounted radar apparatus such as a pulse Doppler radar, electromagnetic waves produced by an oscillator can be prevented from returning therefrom a reception system by means of a transmission system. The vehicle mounted radar apparatus includes the oscillator for generating |
| 5929803 |
Vehicular radar apparatus |
July 27, 1999 |
| Vehicular radar apparatus which enhances the accuracy of detection of a preceding vehicle and the reliability in tracking, by performing operations that use a normal distribution. For the purpose of obtaining a distance between one's own vehicle, on which the radar apparatus is mount |
| 5808728 |
Vehicle environment monitoring system |
September 15, 1998 |
| A vehicle environment monitoring system is capable of monitoring the nearly entire region around a vehicle on which the system is installed, and is protected from staining or damaging. The system includes an optical radar apparatus comprising a light transmitter for generating and irradi |
| 5604580 |
Optical radar apparatus for vehicle |
February 18, 1997 |
| A vehicular optical radar apparatus can identify various types of obstacles as well as a preceding vehicle, thereby ensuring a reliable identification of the preceding vehicle running in the same lane as with a subject vehicle on which the apparatus is installed. A scanner scans light em |
