1
Hitoshi Ando, Takashi Kashiwazaki, Masayuki Hosoi, Atsuhiko Fukushima: Vehicle bearing detection and data processing methods applicable to vehicle navigation system. Pioneer Electronic Corporation, Sughrue Mion Zinn Macpeak & Seas, December 26, 1989: US04890233 (124 worldwide citation)

The invention provides various methods for detecting the bearing of a moving vehicle and of processing data in a vehicular navigation system. Provided there is carried out a process of recognizing the present position of the vehicle while the vehicle is moving at a predetermined speed, bearing data ...


2
Hitoshi Ando, Takashi Kashiwazaki, Masayuki Hosoi, Atsuhiko Fukushima: Method for identifying current position of vehicle. Pioneer Electronic Corporation, Sughrue Mion Zinn Macpeak & Seas, May 8, 1990: US04924402 (87 worldwide citation)

A momentarily changing position of a travelling vehicle is correctly identified by a vehicular nagivation system on which a magnetism sensor, angular velocity sensor, travel distance sensor and global positioning system are mounted. The current position of the vehicle is identified by, for example, ...


3
Masaya Adachi, Hayato Yoshida, Hitoshi Ando, Tsutomu Honda, Isao Endo: Navigation system for vehicle. Pioneer Electronic Corporation, Sughrue Mion Zinn Macpeak & Seas, January 12, 1993: US05179519 (83 worldwide citation)

A navigation system for a vehicle which does not bewilder a driver of the vehicle with heading indication also when the driving speed of the vehicle is low. The navigation system comprises a GPS receiver, a display unit, a map memory in which a map is stored, a detecting section for detecting a driv ...


4
Hitoshi Ando: GPS satellite signal tracking method for GPS receivers. Pioneer Electronic Corporation, Sughrue Mion Zinn Macpeak & Seas, July 30, 1991: US05036329 (83 worldwide citation)

When reception of satellite signals is lost, for example, one minute, satellite signals are searched firstly in accordance with a narrow-band search mode by varying a search frequency within a range of Doppler frequency shift estimated by a moving speed of a GPS receiver, for example, .+-.600 Hz for ...


5
Hitoshi Ando, Takashi Kashiwazaki, Masayuki Hosoi: Method of processing output data from geomagnetic sensor. Pioneer Electronic Corporation, Sughrue Mion Zinn Macpeak & Seas, May 16, 1989: US04831563 (72 worldwide citation)

A geomagnetic sensor used for vehicle-mount navigational apparatus outputs data indicative of the vehicle's direction. If the output data from the geomagnetic sensor is out of a predetermined range, the data is replaced by predetermined data or corrected on the basis of the predetermined data.


6
Hitoshi Ando, Takashi Kashiwazaki, Masayuki Hosoi, Atsuhiko Fukushima: Method and apparatus for processing data in a GPS receiving device in a road vehicle. Pioneer Electronic Corporation, Sughrue Mion Zinn Macpeak & Seas, June 6, 1989: US04837700 (60 worldwide citation)

A method for processing data received by a receiving device which outputs present location data for a movable vehicle based on the Global Positioning System and is positioned in the vehicle, including the steps of calculating an average of a predetermined number of data output from the receiving dev ...


7
Hitoshi Ando, Shozaburo Sakaguchi, Masaya Adachi, Hayato Yoshida, Junichi Shibata: GPS satellite signal tracking system for GPS receivers. Pioneer Electronic Corporation, Sughrue Mion Zinn Macpeak & Seas, January 5, 1993: US05177490 (47 worldwide citation)

A satellite signal tracking system for a GPS receiver, wherein a GPS satellite is recaptured within a very short period of time, after the interruption of reception is cleared as by passing through a tunnel and the like, by widening a band width of the PLL search frequency gradually every after repe ...


8
Hitoshi Ando: Satellite radio signal tracking method for GPS receivers. Pioneer Electronic Corporation, Sughrue Mion Zinn Macpeak & Seas, January 8, 1991: US04983980 (41 worldwide citation)

A vehicle-mounted GPS receiver for positioning and reckoning being capable of tracking satellite signals without serious interruption when passing through a dead zone such as a tunnel by quick recapturing of satellite signals after the vehicle has cleared the dead zone, wherein the GPS receiver dete ...


9
Masatsuyo Maruo, Hitoshi Ando, Mitsuru Watanabe, Chitoshi Mukai: Titanium oxide particles and method of scavenging noxious materials. Ishihara Sangyo Kaisha, Cushman Darby & Cushman, January 2, 1996: US05480636 (31 worldwide citation)

Titanium oxide particles comprising particulate titanium oxide substrate having a zinc oxy compound or a combination of a zinc oxy compound and a silicon oxy compound supported thereon. They can be produced by adding a zinc compound or a combination of a zinc compound and a silicon compound together ...


10
Hitoshi Ando: Pushbutton switch element for pushbutton switch structure. Shin Etsu Polymer, Lerner David Littenberg Krumholz & Mentlik, October 16, 2001: US06303887 (29 worldwide citation)

A pushbutton switch element for a pushbutton switch structure capable of generating a click in a multistage manner which is felt by a user and reducing sound generation during a pressing operation, as well as reducing generation of resonance sound. The pushbutton switch element includes a dome secti ...