Abstract: A cruise control device and an obstacle detection device are provided which achieve a safe and appropriate tracking control by avoiding a sudden recognition of a short following distance when a preceding vehicle is found in an uphill or downhill gradient, in a curve, or at an intersection, or by reducing the damage of a crash when the crash cannot be avoided. An obstacle determination process section is provided which receives information from a sensor which detects an obstacle, receives terrain information of the position of the host vehicle from a navigation device, and determines the presence of the obstacle when a predetermined condition is satisfied after the sensor detects the obstacle. The predetermined condition to determine the presence of the obstacle is changed based on the terrain information of the position of the host vehicle received from the navigation device.

Abstract: A cruise control device and an obstacle detection device are provided which achieve a safe and appropriate tracking control by avoiding a sudden recognition of a short following distance when a preceding vehicle is found in an uphill or downhill gradient, in a curve, or at an intersection, or by reducing the damage of a crash when the crash cannot be avoided. An obstacle determination process section is provided which receives information from a sensor which detects an obstacle, receives terrain information of the position of the host vehicle from a navigation device, and determines the presence of the obstacle when a predetermined condition is satisfied after the sensor detects the obstacle. The predetermined condition to determine the presence of the obstacle is changed based on the terrain information of the position of the host vehicle received from the navigation device.

Abstract: Information storage element 102 and transmitter-receiver 103 are molded in resin connector part 101 of fuel injection valve 100 which projects outside of the engine by molding. The precise control of an injection amount is enabled by using directly the characteristic of injection amount stored in information storage element 102, and obtaining the width of the injection command pulse corresponding to the injection amount instruction value. Thereby, the minimum injection amount which is the minimum value of the fuel supply amount which can be controlled is reduced.

Abstract: In order to consider an optimum control method and an optimum mounting method needed, a UWB having a communication function and a radar function are used. For an obstacle vehicle in front, the distance between two cars is measured using the radar function, and according to this distance, a hazard warning is issued to a driver or a pre-crash operation is carried out. Moreover, by informing its own position to each other between vehicles using the communication function, the distance to a vehicle near to the own vehicle is measured regardless of clutter, and according to this distance, a hazard warning is issued to a driver or a pre-crash operation is carried out. Moreover, the operating frequency and transmission power of a radar are changed based on its own location information, thereby reducing influence to and from other wireless system.

Abstract: In a radio wave radar system using a two-frequency CW modulation method, it is possible to detect a distance between a host vehicle and a forward vehicle and to realize a stable ACC following travel, even in a condition in which the relative speed is 0. By combining the two-frequency CW modulation method with the frequency pulse CW modulation method, that is, by using combination with the two-frequency CW method when the relative speed occurs and the frequency pulse CW method when the relative speed is close to 0, even if the relative speed is 0, the IF signal obtained from the reflected wave from the forward vehicle can be generated to detect the existence of the ACC target vehicle, so that it is possible to realize a stable ACC following travel.

Abstract: Information storage element 102 and transmitter-receiver 103 are molded in resin connector part 101 of fuel injection valve 100 which projects outside of the engine by molding. The precise control of an injection amount is enabled by using directly the characteristic of injection amount stored in information storage element 102, and obtaining the width of the injection command pulse corresponding to the injection amount instruction value. Thereby, the minimum injection amount which is the minimum value of the fuel supply amount which can be controlled is reduced.

Abstract: In a radio wave radar system using a two-frequency CW modulation method, it is possible to detect a distance between a host vehicle and a forward vehicle and to realize a stable ACC following travel, even in a condition in which the relative speed is 0. By combining the two-frequency CW modulation method with the frequency pulse CW modulation method, that is, by using combination with the two-frequency CW method when the relative speed occurs and the frequency pulse CW method when the relative speed is close to 0, even if the relative speed is 0, the IF signal obtained from the reflected wave from the forward vehicle can be generated to detect the existence of the ACC target vehicle, so that it is possible to realize a stable ACC following travel.

Abstract: A signal processing apparatus using a plurality of microcomputers and a shared ROM. A microcomputer-A is connected to a microcomputer-B by way of a serial interface and a GPIO signal line. A flash ROM incorporated in the microcomputer-A has a program memory map corresponding to the microcomputer-A, wherein a run start address of the microcomputer-B, a program data size and program data therefor are disposed in a parameter table area of the program memory map corresponding to the microcomputer-A. Upon power-up, the microcomputer-A transfers data to the microcomputer-B via the serial interface, whereupon the microcomputer-B executes signal processing in the ordinary operation mode.

Abstract: The present invention provides an intelligent cruise control device installed in a host vehicle and used for performing follow-up cruise control to follow up a moving target located in front of the host vehicle by supplying an operating signal to an auto cruise control device which is used for carrying out auto cruise control to adjust the speed of the host vehicle by carrying out an operation indicated by the operating signal generated by the operating part in accordance with an operation type such as acceleration and deceleration specified by the driver so that the host vehicle is running at the adjusted speed.

Abstract: A millimeter wave radar excelling in detection performance, in which a shielding member is provided in a lower front part of a transmission/reception antenna to protrude from the transmission/reception antenna and background noise due to side lobes is thereby reduced, can be provided easily and inexpensively.

Abstract: An intelligent cruise control system is capable of maintaining a car-to-car distance allowing a collision to be avoided and carrying out follow-up running control without providing a sense of incompatibility to the driver. A radar circuit employed in a radar unit calculates a relative speed Vr of a car running ahead of a vehicle with an intelligent cruise control system installed therein with respect to the vehicle and a distance dr from the vehicle to the preceding car from a wave reflected by the preceding car. An ICC unit adjusts the speed of the vehicle by controlling the output of the engine of the vehicle in accordance with information such as the relative speed Vr and the distance dr received from the radar unit. In a follow-up running mode, the ICC unit controls the cruise of the vehicle in such a way that the speed of the vehicle and the distance from the vehicle to the preceding car are maintained at a target speed and a target car-to-car distance respectively.

Abstract: In a method of adjusting the axis of a car on-board radar, especially, a car on-board mono-pulse radar having the function of transmitting radio waves, light or ultrasonic waves, a car axis and an offset axis are set and the mount angle of an antenna offset-mounted on the offset axis can be adjusted with high precision and with ease through a reduced number of process steps.

Abstract: An image pickup unit (2) mounted on a vehicle shoots an image in front thereof to attain image information. An edge pixel extraction section (40202 to 40206) scans the obtained image information for each line and then checks boundaries between a particular color and the other colors to extract pixels having the particular color as edge pixels. Moreover, a candidate line extraction section (40208 to 40212) references position coordinates of the extracted edge pixels such that assuming the edge pixels to be classified to configure straight lines, the edge pixels are coupled with each other to configure straight lines according to the classification so as to obtain the straight lines as candidate lines.Thereafter, a line selection section (40212) selects a left line and a right line in front of the vehicle from the plural candidate lines, thereby attaining the left and right lines.

Abstract: A ATM communication system can satisfy various requests from a node system, a link system, and the like, by performing a self-format transform between a format to be transmitted and a format receiving an ATM switch, and using a cell processing function for performing polishing/shaping, counting of passed cells, counting of discarded cells, drop/insertion of OAM cell, and the like.

Abstract: There is provided a telephone exchange including a switching network, a plurality of interface circuits whose corresponding transmit/receive paths are connected to the switching network, a data generator connected to the interface circuits to sequentially generate state information indicative of the states of the interface circuits, and a control circuit for controlling the switching network according to an output data from the data generator. The data generator generates state-variation information when the state of the interface circuit is varied and the control circuit is responsive to the state-variation information from the data generator to cause the switching network to be set to a state corresponding to the above-mentioned state information.

Abstract: A switching apparatus comprising a switching circuit provided with a plurality of input terminals and a plurality of output terminals; a plurality of regenerative repeaters connected between the prescribed ones of said plural input and output terminals, the number of the regenerative repeaters being less than that of circuits through which signals of high error rate are expected to pass; and means for conducting signals from the prescribed input terminals to the output terminals directly or through the regenerative repeaters.