Pioneer Corporation

Increment P Corporation

Tomoyuki Fujieda

Yuji Tawaragi

Tomoaki Iwai

Kiyoshi Yajima

Kenji Mito

Tetsuya Kawahara

Kazuyoshi Takahashi

Toshiaki Tsuchiya

Youko Fujita

An enhanced map information processing unitof a driving assistance deviceacquires from a determination unitinformation on surroundings of a vehicle which is needed to perform autonomous driving, and acquires from a server deviceenvironment information on surroundings of a route on which autonomous driving is performed. On the basis of the acquired environment information, the enhanced map information processing unitextracts, as an autonomous driving unsuitable location Pn, a location at which the accuracy of the acquirement of the sensor unitis predicted not to satisfy a standard for acquiring the information on the surroundings of the vehicle needed to perform autonomous driving. An informing unitalerts the extracted autonomous driving unsuitable location Pn to a user.

Route search device, control method, program and storage medium

A wireless power transmission antenna apparatus () is mounted on a wireless power transmitting apparatus configured to transmit electric power in a wireless manner, and is provided with: an antenna coil () obtained by winding a conductive member; a plurality of plate-like members (), each containing metal and disposed in surroundings of the antenna coil and in a radial direction of the antenna coil; and a housing case () containing metal and configured to accommodate therein the antenna coil and the plurality of plate-like members. The plate-like member is disposed such that a plate face thereof crosses a direction of extension of the conductive member. According to the wireless power transmission antenna apparatus, it is possible to improve power transmission efficiency while complying with radio wave protection guidelines.

Wireless power transmission antenna apparatus

A wireless power transmission antenna apparatus () is mounted on a wireless power transmitting apparatus configured to transmit electric power in a wireless manner, and is provided with: an antenna coil () obtained by winding a conductive member; and a plate-like member () containing metal, disposed in surroundings of the antenna coil and in a radial direction of the antenna coil. The plate-like member is disposed such that a plate face thereof crosses a direction of extension of the conductive member. According to the wireless power transmission antenna apparatus, it is possible to improve power transmission efficiency while complying with radio wave protection guidelines.

The dielectric antenna device of the present invention is a dielectric antenna device having at least one feed element that is buried in a dielectric. The interval between the end portion of the feed element and the end face of the dielectric in a direction passing through the end portion of the feed element from a feeding point thereof is substantially 1/20 or more of the wavelength of a wireless signal that is formed within the dielectric. This constitution provides a dielectric antenna device that has stabilized resonance frequency.

Dielectric antenna device

Disclosed is an information distribution system in which a receiving terminal installed in a mobile object can reliably receive high quality distribution information from the beginning. The information distribution system comprises data transmission units, each for transmitting a plurality of data signals including same distribution information using a plurality of different radio channels with sequentially delaying the transmission start time of the data signals; an auxiliary transmission unit for transmitting signals according to communication status of the data transmission units; a communication control unit for controlling the auxiliary transmission unit and the data transmission units; and detection means for detecting the velocity control information for the mobile object. A receiving terminal for receiving the data signals transmitted from the data transmission units is installed on the mobile object. The communication control unit selects a data transmission unit in a communication status according to the velocity control information out of the data transmission units, and controls the auxiliary transmission unit so as to notify the receiving terminal of the communication information corresponding thereto.

Growing community of inventors

Fujisawa, Japan

Tomoyuki Fujieda