Pioneer Electronic Corporation

Pioneer Corporation

Takeharu Arakawa

Morio Araki

Kenichi Nobe

Kiyoshi Yamanaka

Junichi Nishida

Jun Shinohara

Michihiro Kaneko

Toshiharu Baba

Masahiko Sakaguchi

Tessho Ishida

Yasushiro Ayukai

Toshihiko Shimizu

Yoshiya Nonaka

Yuji Koga

Motoyuki Yamashita

Shingo Kuwahara

Kazuyuki Uchiyama

Yoshihide Hamaguchi

Haruhiko Takagi

Tadahiro Miyoshi

Hitoshi Ando

Masashi Tanabe

A portable information processor () includes a storage unit () that stores information; a connecting unit () that connects to one of the device ((or)); an information acquiring unit () that acquires information from the connected device ((or)); an operation information generating unit () supplied with a driving power from a power source of the connected device ((or)) and generating operation information relating to the predetermined operation executable by the connected device ((or)) based on device identification information and the acquired information acquired by the information acquiring unit (), and the information stored in the storage unit (); and a control unit () that controls the connected device ((or)) based on the operation information generated by the operation information generating unit ().

Portable information processor

In acquiring the information accumulated in the storage unit of the information center by making the connection of the line connecting the communication unit mounted on the vehicle mounted terminal and the center communication unit of the information center, a process for starting the line connection with the information center is started in advance, when the display on the display unit mounted on the vehicle mounted terminal transfers to the predetermined display contents, whereby the information can be transmitted immediately via the line already connected at the time when an actual operation for transmitting the information from the vehicle mounted terminal to the information center is performed.

Communication terminal unit, connection control method and program for the method

A map distribution system, includes an information center that stores the latest map information and a terminal device including a communication unit, a map storing unit, and a control information storing unit. The communication unit transmits information to the information center and receives information from the information center. The map storing unit stores map information. The control information storing unit stores control information associated with the map information. The terminal device transmits the control information to the information center every prescribed timings. The information center transmits the latest control information to the terminal device in response to the transmitted control information. The terminal device rewrites the control information stored in the control information storing unit to the latest control information.

Map distribution system and terminal device used in the same

In the case of connecting a line for making connection between communication unitmounted in a vehicle-mounted terminaland center communication unitof an information centerand acquiring information accumulated in storage unitof the information centercontrol unitof the vehicle-mounted terminalpredicts the necessity for connection between the communication unitand the information centerand when it is decided that there is a possibility of the connection and there is the necessity, start processing of line connection to the information center is previously started and information can be immediately sent via a line in which the connection is completed at a point in time of actually sending information from the side of the vehicle-mounted terminalto the side of the information center

Communication terminal apparatus, connection control method for the apparatus and program for the method

In a location confirmation system, one navigation terminal connects a line to an information center to transmit timing information, and the information center identifies other navigation terminals for exchanging information indicating current locations to transmit the timing information to them. Thereafter, other navigation terminals having received the timing information and one navigation terminal transmit and receive the information indicating each current location at almost equal timing in accordance with the timing information.

Location confirmation system and information transmitting method for use in the system

A navigation system includes a device for extracting map data and location name data of different locations and their corresponding coordinate data; a position detector which detects the vechile position; a map display controller which displays map data on a display, and a calculating device for determining a straight-line distance from the vehicle position to the different locations thereby producing distance values. A location name display device displays location names on the display in ascending order based on the distance values, and a user selects a desired location from among the location names displayed. The extracting device may segregate the different locations based on different categories, and the map display controller retrieves map data around a location represented by coordinate data corresponding to the desired location selected by the user.

Navigation apparatus with enhanced positional display function

An actual running distance ab from a starting position to a present position of a vehicle is calculated based on input starting position data and positions continuously detected using a GPS device etc. An estimated running distance bc from the present position to a destination is calculated based on a detected present position and input destination data. A degree of attainment T representing a degree of approach to the destination is calculated according to an equation of: T=ab/(ab+bc), and is indicated on a display to announce it to a driver.

Vehicular navigation apparatus

A navigation apparatus including a position detector for detecting a vehicle's position and outputting vehicle position data, a memory for storing map data, a display unit for displaying a variety of information, and a display controller for displaying a map on the display unit based on the map data and superimposing the vehicle's position on the map displayed on the display unit based on the vehicle's position data.

A navigation apparatus including a position detector for detecting an vehicle's position and outputting vehicle's position data, a memory for storing map data, a display unit for displaying a variety of information, and a display controller for displaying a map on the display unit based on the map data and superimposing the vehicle's position on the map displayed on the display unit based on the vehicle's position data. The apparatus further includes a commander for specifying an arbitrary position on the map displayed on the display unit; a coordinate calculator for calculating the latitude and longitude as the coordinates of the actual location corresponding to the specified position on the map and outputting the same as coordinate data; and a coordinate display controller for superimposing the coordinates of the actual location in numerical values on the displayed map based on the coordinate data.

A method of processing information of a recording disc among a plurality of recording discs having different standards or recording formats, includes the steps of: selecting and exchanging an objective recording disc to be reproduced among the plurality of recording discs; executing a recording information reproducing operation on the basis of an application program of the selected objective recording disc; and selecting and exchanging the objective recording disc only with respect to the recording discs, having the standard or recording format reproducible by the application program, among the plurality of recording discs after executing the recording information reproducing operation.

Method of processing information of recording disc and apparatus for

An on-board navigation apparatus in which one of a plurality of service facilities displayed on a display is designated by an operator input, the position coordinate data corresponding to the designated one service facility is registered as a user position into a memory. When the map is displayed on the display, the position coordinate data which has been user position registered is read out from the memory. The position on the map indicated by the position coordinate data is multiplexed onto the map by a predetermined pattern and displayed on the display. The positions of the service facilities such as restaurants, hotels, or the like, which are necessary for each user, consequently, can be easily confirmed on the displayed map.

On-board navigation apparatus having user registering function

A navigation system is provided with: a position measuring device for measuring a current position of a movable body to which the navigation system is equipped; a storing device for storing aerial photograph data; a displaying device; and a display controlling device coupled to the position measuring device, the storing device, and the displaying device, for making the displaying device display a mark indicating the measured current position on an aerial photograph image on the basis of the measured current position and the stored aerial photograph data.

Navigation system with position measuring device and aerial photographic

An on-board navigation apparatus is designed to shorten the time for a display operation at the time of displaying a map and scrolling a screen while employing a buffer memory with a smaller memory capacity. The apparatus reads only block data of a block containing a display center point and block data of blocks adjoining thereto and stores the data into a buffer memory, and acquires display data forming a display screen with the display center point as a reference point from the buffer memory and performs a display operation. The reading/storing operation includes an operation of storing the block containing the display center point and blocks adjoining thereto separately into the buffer memory. The display control operation includes an operation of temporarily storing the display data into a display buffer memory before displaying it.

On-board navigation apparatus

The present invention relates to an on-board navigation system which continuously informs a driver of the degree of approach of a vehicle to a destination by outputting a sound suited to the driver's actual running feeling.

On-board navigation system having audible tone indicating remaining

A navigation device includes measurement unit for measuring a current position of a vehicle and generating a current position data, route collection unit for generating route data on the basis of the current position data, place name extraction unit for extracting place name information with a predetermined interval from a map information in accordance with the current position data, storage unit for storing the route data and the place name information, the stored route data comprising a plurality of block route data each sectioned by the place name information, edit unit for editing the block route data stored in the storage unit, and display unit for extracting the route data from the storage unit and displaying the extracted route data together with the map information.

Growing community of inventors

Kawagoe, Japan

Takeharu Arakawa