Abstract: A light emitting device of the disclosure includes a first light source and a second light source; a light-guiding plate having a first main surface and a second main surface that face each other, a first end surface facing the first light source, and a second end surface facing the first end surface and the second light source; a prism sheet disposed to face the first main surface; and a reflection sheet disposed to face the second main surface.
Abstract: The present technique relates to a reception device, a reception method, a transmission device, and a transmission method, capable of flexibly supporting various operation modes. A service package unit processes, on a per-service basis, using an IP address included in each of packets, a particular service and a shared service related to the particular service, among a plurality of services transmitted via a broadcast wave of digital broadcasting using an IP transmission scheme. Accordingly, it is possible to flexibly support various operation modes in the digital broadcasting using the IP transmission scheme. It would be possible, for example, to apply the present technique to a television receiver.
Abstract: Disclosed herein is a reception apparatus for receiving transmitted AV (Audio/Video) content, including: an extractor configured to extract trigger information associated with control of an application program to be executed in conjugation with the AV content; and a controller configured, in response to a command indicated by the extracted trigger information, to control execution of the application program and, if a video of the AV content is switched, execute any one of continuation and termination of the application program that is active.
Abstract: A surface light source device which illuminates a transmission-type liquid crystal display unit from the back surface includes P×Q surface light source units with individually controlled light sources. Each of the light sources includes a plurality of light-emitting element units. Each of the light-emitting element units includes at least one red light-emitting element that emits red light, at least one green light-emitting element that emits green light, and at least one blue light-emitting element that emits blue light. The center of mass of a luminance profile based on each of a plurality of red light-emitting elements, a plurality of green light-emitting elements, and a plurality of blue light-emitting elements in each surface light source unit substantially coincides with the center of mass of the surface light source unit.
Abstract: Provided are devices and methods that enable content distribution of data units generated by dividing a GOP, and GOP reconstruction and reproduction on the reception device side. A transmission device generates a sub GOP media segment as packet-stored data, the sub GOP media segment storing media data including only part of constituent data of a Group of Pictures (GOP) as a processing unit of encoded data and metadata corresponding to the media data, and generates and transmits a packet having an in-GOP location identifier recorded as packet additional information therein, the in-GOP location identifier indicating the in-GOP location of the media data stored in the sub GOP media segment. A reception device arranges media data dispersed and stored in packets by referring to the in-GOP location identifiers stored in received packets, and reconstructs and decodes a GOP.
Abstract: A method, reception apparatus, and computer-readable medium for communicating with a server to download or upload data. The method includes acquiring a URI (Uniform Resource Identifier) message that includes a DNS (Domain Name System) name registered with the IANA (Internet Assigned Numbers Authority). A URL (Uniform Resource Locator) is generated based on the registered DNS name in the acquired URI message and a predetermined domain name. The data is downloaded from, or uploaded to, the server using the generated URL.
Abstract: To secure easiness of component selection at a reception side. A transmission stream is generated in which a first transmission packet including a predetermined component and a second transmission packet including signaling information related to the predetermined component are multiplexed in a time division manner.
Abstract: Disclosed is a reception device configured to acquire second metadata including a flag, the flag indicating whether or not there is a component stream transmitted from a server via the Internet for a service. The reception device is also configured to acquire first metadata based on the second metadata, the first metadata including information related to a component stream for the service transmitted in a broadcast signal using an Internet Protocol (IP) transmission scheme. Finally, the reception device is configured to access the component stream transmitted in the broadcast signal based on the first metadata, and control reproduction of the component stream transmitted in the broadcast signal.
Abstract: A transmitter transmits payload data using Orthogonal Frequency Division Multiplexed (OFDM) symbols, the transmitter comprising frame builder circuitry configured to receive the payload data to be transmitted and to receive signalling information for use in detecting and recovering the payload data at a receiver, and to form the payload data into frames with the signalling information as a preamble to each of the frames for transmission. Modulator circuitry is configured to modulate one or more first OFDM symbols with the signalling information to form the preamble of each frame and to modulate one or more second OFDM symbols with the payload data to form post preamble waveform of each frame. Transmission circuitry is configured to transmit the one or more first OFDM symbols as a preamble and the second OFDM symbols as the post preamble waveform.
February 14, 2018
Date of Patent:
February 2, 2021
Saturn Licensing LLC
Samuel Asangbeng Atungsiri, Lachlan Bruce Michael
Abstract: A receiver for detecting and recovering payload data from a received signal comprises a radio frequency demodulation circuit, a detector circuit and a demodulator circuit. The radio frequency demodulation circuit detects the received signal. The received signal carries the payload data as OFDM symbols in one or more of a plurality of time divided frames, each frame including a bootstrap signal, a preamble signal and a plurality of sub-frames. The demodulator circuit detects bootstrap OFDM symbols to identify communications parameters for detecting the fixed length signalling data, detects the fixed length signalling data to identify the communications parameters for detecting the variable length signalling data, detects the variable length signalling data, and uses the fixed and variable length signalling data to detect the payload data.
Abstract: A configuration in which it can be determined on a packet-by-packet basis whether encoded data stored in communication packets is data based on randomly accessible encoded data is provided. A transmission apparatus generates a packet storing a NAL unit which is a component of encoded data or a packet storing NAL unit fragments obtained by further dividing the NAL unit, sets access point information indicating whether the NAL unit serving as the source data of packet storage data includes data serving as a random access point as additional information, and transmits the packet. A reception apparatus determines whether packet storage data is data generated based on randomly accessible encoded data with reference to the additional information of the packet.
Abstract: A method for controlling a light source of a display is provided. Maximum frame rates for different portions of video content to be displayed on the display are determined. The light source of the display is controlled to blink according to a blinking frequency when a first portion of the video content having a first maximum frame rate is displayed. The light source of the display is controlled to not blink when a second portion of the video content having a second maximum frame rate is displayed. The first maximum frame rate exceeds a predetermined frame rate of the display. Further, the second maximum frame rate does not exceed the predetermined frame rate of the display.
Abstract: The present technology relates to a display device, a display control method, and a program that enable various states of the device to be expressed in a limited region. A television receiver set includes an indicator unit disposed at least in a part of a periphery of a display unit and including indicator configured to be lit at a predetermined luminance, and an indicator control unit configured to control lighting of the indicator. The indicator control unit performs control such that a lighting method of the indicator is changed according to passage of time. The present invention can be applied to a display device such as a television receiver set.
Abstract: A configuration is realized that receives advertisements highly likely to be viewed and ensures enhanced likelihood for reproduction on a reception apparatus by controlling a transmission order of advertisements that can be selected and output. A transmission apparatus determines a transmission order of a plurality of pieces of advertisement content that can be selected and output during an advertisement output time of a given duration on a reception apparatus and sends the pieces of content. The transmission apparatus arranges the transmission time of content highly likely to be viewed closest to the advertisement output time and arranges the transmission time of content unlikely to be viewed before the transmission time of content highly likely to be viewed.
Abstract: Provided is an illumination device that makes it possible to enhance utilization efficiency of light, and a display device that includes the illumination device. The illumination device includes: a light source that is configured to generate light of a first wavelength; a luminescent body that is configured to wavelength-convert the light of the first wavelength to light of a second wavelength, the second wavelength being different from the first wavelength; and a wavelength selective filter that is provided on a light-incident side of the luminescent body, the wavelength selective filter being configured to transmit the light of the first wavelength and to reflect the light of the second wavelength.
Abstract: There is provided a reception apparatus including a first acquisition unit which acquires, preceding text format second signaling data to be transmitted in a lower-level layer than an IP layer in a hierarchy of a protocol of an IP transmission system and containing control information independent of a service identified by an IP address, binary format first signaling data containing a flag indicating whether the second signaling data exists in digital broadcast using the IP transmission system, a second acquisition unit which acquires the second signaling data on the basis of the first signaling data, and a control unit which controls operation of the units which perform various types of processing on the basis of the second signaling data. The present technology can be applied to, for example, a television receiver.
September 29, 2020
January 14, 2021
SATURN LICENSING LLC
Kazuyuki TAKAHASHI, Naohisa KITAZATO, Jun KITAHARA, Yasuaki YAMAGISHI
Abstract: A transmitter transmits payload data using Orthogonal Frequency Division Multiplexed (OFDM) symbols. The first OFDM symbol is a first type having a number of sub-carriers which is less than or equal to the number of sub-carriers of the one or more second OFDM symbols of a second type and a guard interval for the first OFDM symbol is selected in dependence upon the longest possible guard interval of the second OFDM symbol. Accordingly an OFDM communications system can be formed in which data is transmitted using a frame structure in which a guard interval is adapted to allow a mix of different types of OFDM symbols.
April 21, 2017
Date of Patent:
January 5, 2021
SATURN LICENSING LLC
Samuel Asangbeng Atungsiri, Gholam Hosein Asjadi
Abstract: A method for signaling preamble structure parameters is provided. A bootstrap symbol is generated that indicates a preamble structure value. The preamble structure value indicates one of a plurality of different combinations of the preamble structure parameters of a preamble that follows the bootstrap symbol. The preamble includes a first part and a second part. A transmission frame that includes the bootstrap symbol, the preamble, and a data payload is generated. The transmission frame is output for transmission. Further, one of the preamble structure parameters is a forward error correction mode for the first part of the preamble.
Abstract: An apparatus and a method by which a content such as an advertisement corresponding to a user at the reception apparatus side can be selectively outputted to the reception apparatus are provided. A transmission apparatus transmits signaling data (MPD) having a user information setting region, a control information file capable of being accessed or generated applying user information-set data generated by a process for the MPD, and a user information-corresponding advertisement capable of being acquired and reproduced on the basis of description data of the control information file. The reception apparatus sets user information to the user information setting region of the MPD, applies the generated user information-set data to acquire a control information file of a user information-corresponding advertisement, applies the description data of the acquired control information file to acquire the user information-corresponding advertisement, and outputs the user information-corresponding advertisement.
Abstract: The present technology relates to a reception device, a reception method, a transmission device, and a transmission method that make it possible to provide content according to a preference of a user. Provided is a reception device including: a tuning control unit configured to perform tuning control for tuning digital broadcasting using an Internet Protocol (IP) transmission scheme; and an acquisition control unit configured to perform acquisition control for acquiring content transmitted in the digital broadcasting according to a result of a matching process on a provider-side PDI-A indicating an answer set by a provider that provides content to a question on preference of a user included in transmission information transmitted in an upper layer of an IP layer of protocol layers of the IP transmission scheme and client-side PDI-A indicating an answer set by the user to the question in the digital broadcasting. The present technology can be applied to, for example, a television receiver set.