Casio Computer Co., Ltd.

Seiko Instruments Inc

Kabushikikaisha Kenwood

Trio Kabushiki Kaisha

Trio Kabushiki Kenwood

Nobuo Iizuka

Masaaki Kikuchi

Keiichi Kaneko

Hajime Manabe

Kunio Sato

Akira Suzuki

Hiroyuki Hashimoto

Shoichi Nagatomo

Takashi Matsuda

Nobutaka Nakamura

Kazuhisa Matsunaga

Shinichi Matsui

Kouichi Nakagomi

Masafumi Take

Takayuki Fukushima

Takeshi Matsuoka

Tsuyoshi Kasahara

Shinichi Moritani

Takeshi Imai

Kiroyuki Hashimoto

Suzuki Akira

A moving body position determination device includes a communicator, and at least one processor. The at least one processor is configured to acquire an image via the communicator, the image including at least two light-emitting devices of a plurality of light-emitting devices for which coordinate positions in three-dimensional space are known, the plurality of light-emitting devices including two light-emitting devices placed at desired positions at which heights in the three-dimensional space differ, the at least two light emitting devices being imaged by an imaging device attached to a moving body; acquire, on the basis of the acquired image, coordinate positions in the image of the at least two light-emitting devices; and determine, on the basis of the coordinate positions in the three-dimensional space and the coordinate positions in the image, at least one of a coordinate position of the moving body and an orientation the moving body is facing in the three-dimensional space.

Moving body position determination device, moving body position determination method, and moving body position determination system

An information management apparatus includes at least one processor configured to execute a program stored in a storage. The at least one processor acquires sequentially captured frames. The at least one processor acquires a movement state of a position of a light source in an imaging area, based on light source images contained in the acquired frames. The light source transmits information by means of light including an illumination pattern of the light. The at least one processor causes the storage to store the information and the movement state in association with each other.

Information management apparatus, information management method, and non-transitory recording medium

A portable terminal detects a color change region corresponding to a marker in frames, and determines whether the brightness and/or hue change with time in the color change region matches a search rule. Subsequently, when the brightness and/or hue change with time in the color change region matches a search rule, the portable terminal restores information by decoding and determines whether the information is the content of predetermined information corresponding to the search rule determined to match. Furthermore, when the restored information is the content of predetermined information corresponding to the search rule determined to match, the portable terminal displays the information in association with the color change region to provide notice that the corresponding flying object is an appropriate flying object performing optical communication.

Notification device, notification method, and non-transitory recording medium

A light receiver of a communication apparatus receives light from an LED that emits light based on a light-emission pattern defined by an ID. An ID acquirer specifies the light-emission pattern from light received by the light receiver and acquires the ID. A transceiver transmits the acquired ID to a service server that stores an ID/URL table associating together the ID and a URL of information relating to equipment equipped with the LED, and receives a corresponding URL. An information acquirer acquires the information relating to the equipment based on the URL received by the transceiver.

Communication apparatus, communication system, server, communication method and non-transitory recording medium

An information transmission system includes a transmission apparatus and a reception apparatus and uses visible lights as transmission media. The transmission apparatus includes a generating unit and a first replace unit. The generating unit generates a multi-value symbol stream. The first replace unit replaces the multi-value symbol stream generated by the generating unit to a discontinuous symbol stream. The discontinuous symbol stream is a symbol stream without a sequence of identical symbol values. The number of identical symbol values in the sequence is equal to or greater than a predetermined number. The reception apparatus includes an acquiring unit and a second replace unit. The acquiring unit acquires the discontinuous symbol stream. The second replace unit replaces the discontinuous symbol stream acquired by the acquiring unit to the multi-value symbol stream according to a predetermined rule.

Information transmission system, symbol stream generating apparatus, symbol stream decoding apparatus, symbol stream generating method, symbol stream decoding method and storage medium

An information transmission system includes: an information sending device including a light emitting section that emits light in a plurality of colors, a modulating section that modulates information to be transmitted into signals composed of changes in color, and a light emission control section that controls the light emitting section to emit light while changing color temporally based on the signals generated by the modulating section; and a receiving device including a camera that captures an image having color, and a control and communication section that detects a temporal color change of the light emitting section emitting light by light emission control by the information transmitting device, from images consecutively captured by the camera, decodes the detected color change into information, and outputs the generated information to a display section.

Information transmission system, information sending device, information receiving device, information transmission method, information sending method, information receiving method and program product

An optical communication apparatus includes a light receiving unit, a wavelength band determining unit and an estimating unit. The light receiving unit receives light which changes to predetermined wavelength bands in a predetermined cycle according to communication object information, for a predetermined light reception period. The wavelength band determining unit determines each wavelength band of the light received by the light receiving unit. The estimating unit estimates that a wavelength band of the light received by the light receiving unit is any one of the predetermined wavelength bands, in a case where said wavelength band determined by the wavelength band determining unit is not any one of the predetermined wavelength bands.

Optical communication apparatus, wavelength band estimating apparatus, optical communication method and storage medium

An advertisement display device displays an outdoor advertising image and emits light (advertisement ID light) modulated in accordance with the advertisement ID and having the luminance changed temporally in the same direction as the display direction of the outdoor advertising image. Receiving the advertisement ID light, a portable terminal demodulates and decodes it to acquire the advertisement ID and sends advertisement recognition information including the advertisement ID, time, location of the portable terminal, direction from the portable terminal to the advertisement display device, and terminal ID to a server. The server aggregates the advertisement recognition information for each advertisement and for each time window and creates advertising effect information.

Information conveyance effect measuring system, information conveyance effect measuring method, determination device, determination method, and recording medium

A portable terminal sends to a second server sound contents request information comprising a tag ID corresponding to light received from an illumination device, the light-receiving position on the light-receiving surface, and the area ratio of the light-receiving range to the light-receiving surface in order to acquire sound contents. The second servercombines individual sound contents corresponding to the tag ID in the sound contents request information, first basic sound contents corresponding to the light-receiving position, and second basic sound contents corresponding to the area ratio. Then, the second server creates sound contents for giving information about the object present at the location where the illumination device emitting the light corresponding to the tag ID is installed and the direction and distance of the object when seen from the portable terminal and sends the sound contents to the portable terminal.

Information provision system, server system, terminal device, information provision method, and recording medium

Provided is an information processing system that includes a server and a client device. The server stores identification information and associated content in memory, and transmits the identification information, using light that varies over time as a communication medium. The client device continuously senses and decodes the light varying in time into the identification information, transmits the decoded identification information to the server, receives content transmitted from the server in response to the transmission of identification information, and displays received content. A controller included in the client device detects an operation on the displayed content from an input device, and applies control to transmit process details according to the detection to the server. The server additionally executes the process details transmitted from the client device, and updates the content to content that includes the execution results.

Information processing system, information processing method, client device, and recording medium

Moving-objects movable in a workspace, each includes an imaging unit with a two-dimensional light receiving surface; and a decoding processing unit. If light received by an imaging surface of the imaging unit is brightness-modulated information, the decoding processing unit decodes the received light to the information. If the information decoded by the decoding processing unit contains spatial position information of moving-objects other than a self-moving-object, the self-moving-object receives the light from light sources, has the decoding processing unit decode the light to acquire pieces of position information of the other moving-objects, thereby acquiring position information of the self-moving-object in the workspace from these pieces of position information.

Information acquisition device, information acquisition method, recording medium, and information acquisition system

For setting a tag ID in association with a content supposed to be provided to a portable terminal, the server acquires the location information of an illumination device of which the content is already stored in the memory and sets a tag ID in association with an illumination device that is away from the location presented by the location information by a given or longer distance. Then, the server associates and stores in the memory the set tag ID, location information of the illumination device transmitting the tag ID, content supposed to be provided. Subsequently, the server receives the tag ID and location information transmitted from a portable terminal, determines the content to transmit based on the received location information and the element stored in the memory, and transmits the determined content to the portable terminal.

Information provision system, server, terminal device, information provision method, display control method and recording medium

A transmission-side information terminal displays a marker whose wavelength changes with time on the basis of a tag ID acquired from a management server. A receiving-side information terminal takes an image to acquire the tag ID, and transmits storage instruction information to a distribution server, the storage instruction information including the tag ID, an area number indicating a position of the receiving-side information terminal and image data acquired by taking an image. The image distribution server stores the tag ID, the area number and the image data in the storage instruction information in association with one another. The transmission-side information terminal transmits query information including the tag ID acquired from the management server and the area number indicating its own position to the image distribution server, thereby acquiring image data associated with the tag ID and the area number from the image distribution server.

Communication system, information terminal, communication method and recording medium

An information transmission system is constituted by: an information sending device including a light emitting section that emits light in a plurality of colors, a modulating section that modulates information to be transmitted into signals composed of changes in color, and a light emission control section that controls the light emitting section to emit light while changing color temporally based on the signals generated by the modulating section; and a receiving device including a camera that captures an image having color, and a control and communication section that detects a temporal color change of the light emitting section emitting light by light emission control by the information transmitting device, from images consecutively captured by the camera, decodes the detected color change into information, and outputs the generated information to a display section.

A CPUof a light emitting unitfetches ith bit of transmission information TX stored in a transmission data memoryin synchronization with a clock signal CK from a timing generatorThe CUPdetermines the bit value and fetches a first pattern sequence SA from a pattern data memorywhen the bit is logic signaland fetches a second pattern sequence SB from a pattern data memorywhen the bit is logic signaland outputs the first pattern sequence SA and second pattern sequence SB to a light emitting sectionWhile, a CPUof a light receiving unitextracts a pixel area with a time sequence luminance variation pattern from a frame image captured into a capture image bufferand binarizes the luminance variation pattern, and performs logic determination. A liquid crystal displaydisplays information of a light emitting area to be overlapped with a subject image.

Information transmission system using light as communication medium, information transmission method, image pickup device, and computer programmed product

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Hamura, Japan

Nobuo Iizuka