Abstract: Provided is an information distribution system (100), in which a control section (4) deletes, when a member registration cancellation of a distribution service is instructed by an input unit (1d) of a vehicle-mounted device (10), the contents information and the uplink information stored in a storage unit (1f), other than the fundamental information, thereby to set ON a member registration cancellation flag. If the member registration cancellation flag is set ON when the communication with a center apparatus (30) is established, moreover, the control section (4) writes a code indicating the member registration cancellation, in the fundamental information of the uplink information, and transmits the same to the center apparatus (30). When this center apparatus (30) receives the uplink information from the vehicle-mounted device (10), the center apparatus (30) decides whether or not the code indicating the member registration cancellation is contained in the fundamental information.

Abstract: A microphone-unit supporting structure comprises a microphone unit and a holder. The microphone unit includes a substantially-cylindrical microphone element, a printed circuit board fixed to a back of the microphone element, and at least two projections extending radially outward from the printed circuit board and being circumferentially spaced at such an angular interval that when one of the projections is assumed to be on a reference line for line symmetry, the other projection or projections are off the reference line. The holder includes a microphone-unit supporting portion for supporting the microphone unit. The holder has a first groove for receiving first one of the projections, and a second groove for receiving second one of the projections. The first groove is open in a backward direction. The second groove is open in a frontward direction.

Abstract: A stopper structure includes a wall defining an opening. A rotary electronic component has a rotational shaft extending through the opening. A channel stopper has a tubular body and an engagement projection. The tubular body is detachably mounted on the rotational shaft and is inhibited from rotating relative thereto. The engagement projection extends from an end of the tubular body in an axial direction and a radial direction with respect to the rotational shaft. A rotary operation member is detachably mounted on the rotational shaft and the tubular body and is inhibited from rotating relative thereto. The rotary operation member has an axial hole in which at least portions of the rotational shaft and the tubular body fit. A limiting portion provided on the wall is engageable with the engagement projection for liming a range of rotation of the rotational shaft.

Abstract: Title information on music composition data recorded on a reproduction CD is acquired from a title information providing site and recorded on a recording MD together with composition data. A recording/reproducing apparatus (100) transmits TOC information acquired from the reproduction CD to a title information providing server (500) through a communication device (200), a wireless public communication network (WNET), a communication exchange (400), and the Internet (INET). The title information providing server (500) creates an inquiry code corresponding to the received TOC information and transmits it to a title information database (600). The title information database (600) sends a response code corresponding to the inquiry code as a reply to the title information providing server (500).

Abstract: An utterance type road traffic information providing device (system) provided with a roadside apparatus (100) set on a road where a vehicle travels, at a parking lot or a place adjacent to the parking lot for transmitting alarm information by wireless communication, an utterance type vehicle-mounted device (200) mounted on a vehicle for receiving the alarm information from the roadside apparatus by wireless communication and outputting the alarm information, a administration server (300) that exchanges various information with the roadside apparatus (100). The utterance type vehicle-mounted device (200) is comprised of a predetermined operation unit and a control unit. The control unit cancels a part or all of the utterance voice output of the alarm information supplied from the roadside apparatus (100) in accordance with a predetermined operation of the operation unit. An output of the same alarm information or alarm information irrelevant to its own vehicle is prevented.

Abstract: In a radio receiving apparatus, an analog received signal is converted into a digital received signal. An unwanted wave in an adjacent channel band is rejected, that is adjacent to a passband for the digital received signal. The digital received signal with no unwanted wave is converted into a first demodulated signal. The first demodulated signal is converted into a second demodulated signal in analog form. A noise component is extracted from the first demodulated signal. The second demodulated signal is suppressed under squelch control when a squelch voltage that is a voltage of the noise component after rectification and smoothing becomes equal to or higher than a predetermined threshold level.

Abstract: A radio communication apparatus includes a clock reproducer unit which repetitively detects a symbol timing from a Nyquist point in detection-result data. A symbol generator unit controllably generates or non-generates a to-be-transmitted symbol or symbols at every symbol timing detected by the clock reproducer unit, converts the to-be-transmitted symbol or symbols into modulating data pieces, and outputs the modulating data pieces to a FIFO buffer. A D/A converter reads out modulating data pieces from the FIFO buffer at a predetermined rate and converts the read-out modulating data pieces into an analog modulating signal for use in modulation of a carrier. A controller unit controls a number of the to-be-transmitted symbol or symbols generated by the symbol generator unit at every symbol timing to hold a number of modulating data pieces in the FIFO buffer in a predetermined range.

Abstract: An information distribution system includes a roadside apparatus which transmits an utterance type provided information containing audio instruction information based on a traveling direction to be provided by the utterance type provided information. When an vehicle-mouned device receives an utterance type provided information via a communication unit from the roadside apparatus, the vehicle-mounted device outputs different utterance type provided information by an audio in accordance with the audio instruction in-formation contained in the received utterance type provided information, so that a vehicle driver can judge whether the information provided from the roadside apparatus is significant information.

Abstract: A received FM wave signal is subjected to quadrature detection to generate baseband I and Q signals. The baseband I and Q signals are converted into a sequence of samples of phase information. An FM-detection-result signal is generated in response to a variation between two successive samples of the phase information. A power of the baseband I and Q signals is computed. A decision is made as to whether the baseband I and Q signals are valid or invalid by referring to the computed power and at least one threshold value. Signal interpolation is implemented with respect to the FM-detection-result signal in cases where it is decided that the baseband I and Q signals are invalid.

Abstract: A road-vehicle communication system comprises roadside apparatuses, a center device, and a vehicle-mounted device mounted in a vehicle. The roadside apparatuses are each given identification information for identifying itself. The center device transmits to the vehicle the identification information about a first roadside apparatus installed on the road where the vehicle is traveling as first identification information via the first roadside apparatus and the identification information about a second roadside apparatus via which the vehicle is expected to travel to the destination as second identification information when the vehicle is traveling in the lane of the road where the first roadside apparatus is installed. The vehicle-mounted device stores the transmitted first identification information.

Abstract: The present invention provides the simple operation for displaying the information that is expected to be necessary for the user and the simplified procedure of the hands-free operation when displaying the map information on the screen. The display device 20 in which an arrangement state of the screen can be selected between a first state and a second state displays on the screen the detailed information of a destination or its surrounding area such as parking lot information, an access route guide to the transportation facilities, and information of the facility of the destination is displayed on the screen if a change of the arrangement of the screen is detected, if the destination has been set in advance, and if a distance between a current position and the destination is within a predetermined distance.

Abstract: A guidance route search device essentially having means for specifying a route point and means for selecting a guidance schedule. The route specifying means specifies plural route points guided up to a destination point. The selecting means functions to select a guidance schedule covering plural route points reachable by previously set time of arrival at a destination point and causing staying time at the plural route points to be the maximum within maximum staying time set in advance for the route points. This enables a guidance schedule for guiding through plural route points to be generated with consideration of staying time at each route point.

Abstract: A facility searching technique easier to operate and having high degree of freedom. A facility searching device is constructed from a database on map information, a database relating to various kinds of facilities and including positional information of the facilities, a display unit for displaying, based on the map information, a map of a predetermined area, a pointing device for inputting a position located on the displayed map, a voice input unit for inputting by voice an instruction relating to search for facilities, and unit (25, 29, 30, 31) for performing the search for facilities upon receiving the input of a position or the input of an instruction (steps 21-22, 24, 26, 27, 28), the search being based on the inputted position and the instruction.

Abstract: An on-vehicle device (200) includes a self-position detection unit (254), a position match judgment unit (255), an advance direction detection unit (256), and a direction match judgment unit (257). At the moment when a mobile body such as a vehicle having the on-vehicle device passes through an intended point of a data distribution side in an intended direction, a data reproduction unit (253) starts reproduction of content data associated with creation of the data distribution side acquired by a data acquisition unit (251). When there a plurality of content data intended to be simultaneously reproduced by the data distribution side, it is judged by a parallel reproduction judgment unit (252), and the data reproduction unit (253) reproduces the content data in parallel. The data is reproduced according to the intention of the data distribution side.

Abstract: In a distribution system comprising a center device for distributing, content information and an vehicle-mounted device, when information on a parking lot that is a distribution destination exists, the center device transmits content information including the information on the parking lot to the vehicle-mounted device (step S9). This constitution enables the accurate and rapid provision of parking lot information.

Abstract: In a distribution system comprising a center apparatus (30) for transmitting content information and a vehicle-mounted device (10) for receiving the content information, the vehicle-mounted device (10) has a cancel button (B1) for instructing to discontinue the reception of the content information and a control unit for transmitting, to the center apparatus (30), control information causing discontinuation of the transmission of the content information when the instruction to discontinue the reception is provided by the cancel button (B1), and the center apparatus (30) has a control unit for discontinuing the transmission of the content information based on the control information (characteristic information of the vehicle-mounted device (10), reception discontinuation notification information) transmitted from the vehicle-mounted device (10).

Abstract: An information provision system (10) includes a vehicle-mounted DSRC device (20) which is a terminal to be mounted on a vehicle (100) and capable of receiving contents for the members and contents for the nonmembers distributed by a predetermined communication system, a roadside apparatus (40) which is a base station capable of transmitting contents to the vehicle-mounted DSRC device (20), and an information providing server (60) capable of providing contents to the roadside apparatus (40). The information providing server (60) includes a control unit for checking the communication environment which the vehicle-mounted DSRC device (20) or the roadside apparatus (40) has.

Abstract: A first roadside apparatus for giving entry gate pass information indicating that a vehicle passing a communicative area has entered a toll road is provided at an entrance ramp of the toll road. A second roadside apparatus for acquiring the given entry gate pass information is provided at an exit ramp of the toll road. The second roadside apparatus having a function as an administration device judges whether or not the entry gate pass information is acquired from the passing vehicle. If the entry gate pass information is not acquired, the second roadside apparatus provides the vehicle with reverse-way driving warning information for warning the vehicle that the vehicle is traveling in the reverse direction. Thus, if there is a vehicle which is fully expected to travel in the reverse direction on a one-way road such as a toll road, a road-vehicle communication system for warning or giving caution to the vehicle traveling in the reverse way and vehicles traveling along the correct lanes.

Abstract: A road-vehicle communication system enabling resumption of the transmission/reception from the rest of data between the vehicle and the road if the transmission/reception is interrupted. Specifically, the road-vehicle communication system includes a roadside apparatus for distributing a content and a vehicle-mounted device which can play a distributed content, the roadside apparatus is connected communicatively with the vehicle-mounted device, and a series of contents are distributed from the roadside apparatus to the vehicle-mounted device. The roadside apparatus includes a control unit for determining a content which the roadside apparatus starts transmitting to the vehicle-mounted device, which is a communication party, from among the series of contents and distributing the other contents succeeding the determined transmission start content. Thus, if the transmission/reception of data between the road and vehicle is interrupted, the transmission/reception can be resumed.