Cherveny Kevin, Crane Aaron, Kaplan Lawrence M, Jasper John, Shields Russel T: System and method for updating, enhancing or refining a geographic database using feedback. Navigation Tech, June 9, 1999: EP0921509-A2 (94 worldwide citation)

A system for updating, enhancing and/or refining a geographic database. A geographic database includes data representing physical features in the geographic region, and, optionally, attributes of such features. The system includes a plurality of data collecting sensors. Each of the data collecting s ...

Pudsey David Graham: Information distribution system. Marconi Gec, October 4, 1989: GB2216319-A (59 worldwide citation)

In a system in accordance with the invention, a cordless telephone base station 1 or telepoint, is modified to enable navigational information and other data to be stored in stores 8, 9 and 13. The information may be accessed via a cordless telephone handset 4 and displayed at 11 or 12.

Kimura Yoshikatsu, Ninomiya Yoshiki, Nishimura Yoshihiro, Shirodono Kiyosumi, Suzuki Noriyoshi: Optical transmission device, optical reception device and optical communication device. Toyota Central R&Amp D Labs, November 20, 2008: JP2008-282253 (51 worldwide citation)

PROBLEM TO BE SOLVED: To take an image at a proper frame rate for extracting transmission information.SOLUTION: A drive circuit 18c of this optical transmission device 12 performs blink drive of each of transmission information-transmitting LEDs 241-24n in synchronization with a signal of a prescrib ...

Wang Theresa C, Moritz Steven H: Mobile unit tracking system.. Motorola, June 16, 1993: EP0546758-A2 (49 worldwide citation)

A communication network (10) keeps track of the locations of mobile units (16) which utilize the network (10). On powering up, the mobile units (16) determine their current locations using signals broadcast, for example, by overhead satellites (12, 24). They then send data communication messages (80 ...

Yamane Kenichiro, Endo Yoshinori, Machii Kimiyoshi, Fujiwara Jiyunsuke: Device for predicting traffic information. Xanavi Informatics, September 8, 2005: JP2005-241519 (46 worldwide citation)

PROBLEM TO BE SOLVED: To provide a device for predicting traffic information accurately predicting the trip time up to the destination, and providing an arrival supposition time with high reliability by using measuring information and statistical traffic information due to traveling in own vehicle.S ...

Koike Shin: Running controller for vehicle. Toyota Motor, July 28, 2000: JP2000-207691 (42 worldwide citation)

PROBLEM TO BE SOLVED: To effectively avoid collision in the case that there is a probability of collision between vehicles. SOLUTION: User's vehicle 10 and other vehicles A and B mutually transmit and receive running data by inter-vehicle communication. An ECU 16 evaluates a probability of collision ...

Nakagawa Masao, Komine Toshihiko, Haruyama Shinichiro, Ishigure T, Koike Yasuhiro, Kitano Shogo, Sugawara Yasuo: Illumination light communication device. Nakagawa Lab, August 17, 2005: EP1564914-A1 (41 worldwide citation)

The present invention has been developed considering the above-described problems and aims to provide various structures and applications for illuminative light communication. According to the first aspect of the prevent invention, a broadcast system includes an LED light source 115 for lighting, a ...

Feindt Uwe, Skwarek Volker, Duckeck Ralf, Selem Moez: Method for transmission of traffic-relevant information and apparatus for its evaluation. Bosch Robert, August 11, 2004: EP1445750-A2 (39 worldwide citation)

The method of transmission of traffic information has a base information, such as TMC-traffic data having further data transmitted with it. The further data can include exact positional information for traffic occurrences. The further data has a data container for additional information in which the ...

Yoneyama Hiroto, Yashiki Atushi, Kodama Toshiyuki: Route guidance system for a mobile telecommunication system.. Oki Electric, December 13, 1989: EP0345818-A2 (36 worldwide citation)

A mobile telecommunications system includes aplurality of base stations (10) each being communicatable with a mobile station (16) by radio, and a telecommunications network (22) accommodating the plurality of base stations (10) for switching communications to the plurality of base stations (10). A s ...

Nakamura Masaki, Ishikawa Tomoaki, Aisaka Satoshi, Kanba Motoki: Driving support device. Aisin AW, June 14, 2007: JP2007-145251 (35 worldwide citation)

PROBLEM TO BE SOLVED: To provide a driving support device capable of performing an accurate driving assist to a control object in various situations by calculating, based on the detection of a road sign formed on a road surface, a road distance to the control object associated with the detected road ...