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96results about "Broadcast receiving circuits" patented technology

Receiver and program

To provide a receiver capable of shortening a time until using a broadcast communication cooperation service of a selected destination while using the broadcast communication cooperation service by a broadcast managed application.SOLUTION: The receiver includes a reception unit, a channel selection unit, an application execution unit, and an application control unit. The application execution unit executes an application. The application execution unit executes a function of performing a process for channel selection based on the channel selection information of the broadcast service and a process for executing the broadcast managed application based on the URL of the application information table of the broadcast managed application designated by the broadcast managed application. The application control unit controls the channel selection unit to select the designated broadcast service, and performs control to activate the broadcast managed application based on the designated URL.SELECTED DRAWING: Figure 2
Owner:NIPPON HOSO KYOKAI

Content protection processing method

To provide a digital broadcast receiver capable of executing a function with a higher added value.SOLUTION: In a broadcast receiving device 100, in a case where a broadcast program reserved for recording is stored in an EPG screen, when content is designated to be protected, broadcast program content is stored in an encrypted state so as to be reproducible only by the broadcast receiving device. Storage of the broadcast program content in a storage unit, an output of the broadcast program content to an external apparatus, and a move of the broadcast program content to the external apparatus can be performed via an IP interface. The output to the external apparatus can be performed by an HDMI in addition to the output performed by the IP interface.SELECTED DRAWING: Figure 8A
Owner:MAXELL LTD

Radio head unit with dynamically updated tunable channel listing

PendingEP4723517A3Broadcast specific applicationsSpecific information broadcast systems
In one aspect, an example method includes (i) encountering, by a media playback device of a vehicle, a trigger to update a list of currently tunable radio stations; (ii) based on encountering the trigger to update the list of currently tunable radio stations, updating, by the media playback device, the list of currently tunable radio stations using a location of the vehicle and radio station contour data stored in a local database of the media playback device; and (iii) displaying, by the media playback device, a station list using the list of currently tunable radio stations.
Owner:GRACENOTE INC

Content protection processing method

InactiveJP7873190B2Broadcast receiving circuitsBroadcast information recording/accumulation
To provide a digital broadcast receiver capable of executing higher value-added functions. [Solution] A broadcast receiving device capable of receiving video data of a digital broadcast program, program linkage data for the digital broadcast program, and screen layout control information for the digital broadcast program includes: a receiving unit that receives the video data of the digital broadcast program, the program linkage data, and the screen layout control information; a video generating unit that divides a video display area of ​​an output video into multiple areas based on the screen layout control information, and arranges, in each of the multiple areas, program video information generated based on the video data of the received digital broadcast program and text information, graphic information, or video information generated based on the received program linkage data, and generates video information obtained by combining the multiple areas as output video information; a display unit that displays the output video information; an operation input unit that inputs user operation instructions; and a control unit.
Owner:MAXELL LTD

Broadcast receiving equipment

PendingJP2026099912ACathode-ray tube indicatorsBroadcast/distribution of identical information by plural systems
This invention provides technology for more effectively transmitting or receiving advanced digital broadcasting services. [Solution] The broadcast receiving device 100 comprises a receiving unit, a monitor unit 192, a control unit, and an operation unit. The receiving unit receives broadcast waves of digital broadcasts, including 2K and 4K broadcast programs, transmitted via simulcast from the broadcasting station. The monitor unit 192 displays broadcast programs based on the received broadcast waves. When the control unit is displaying one of a pair of broadcast programs, whose broadcast content 192B is the same and transmitted via simulcast, and a special screen 192C, which is a data broadcast screen or Hybridcast screen corresponding to that broadcast program, the operation unit receives an operation to select the other broadcast program from the pair of broadcast programs, and executes a first display control process that controls the monitor unit 192 to display the other broadcast program and maintain the display of the special screen 192C.
Owner:MAXELL LTD

Content protection processing method

To provide a digital broadcast receiver capable of executing a function with a higher added value.SOLUTION: A broadcast receiving device 40100 includes a broadcast receiving unit capable of receiving broadcast data of a broadcast program content and location information describing a reference destination for acquiring data related to the broadcast data from a broadcast transmission path, a communication unit capable of receiving communication data of a program content from the reference destination described in the location information via a communication line, a recording and reproducing unit capable of recording and reproducing the broadcast data of the broadcast program content received by the broadcast receiving unit, an output unit that outputs the broadcast data of the broadcast program content reproduced from the recording and reproducing unit to an external device, and a server function unit having a server function for the external device. In the output state from the output unit, the location information in which the description of the reference destination is rewritten to the description indicating the server function unit is output together with the broadcast data reproduced from the recording and reproducing unit.SELECTED DRAWING: Figure 29A
Owner:MAXELL LTD

Multi-channel multi-mode broadcast receiving device

The invention provides a multi-channel multi-mode broadcast receiving device, and the device comprises a micro-control unit which is connected with a storage unit through a bus, and is connected with a vehicle-mounted comprehensive information processing system and a signal processing unit; the storage unit is connected with the micro-control unit through a bus, is connected with the signal processing unit and is used for storing starting codes and preset chip configuration parameters of the signal processing unit so as to transmit the starting codes and the preset chip configuration parameters to the micro-control unit through the bus; the signal processing unit comprises a dual-channel receiving chip and a signal demodulation unit, is connected with the antenna, the storage unit and the micro-control unit, and is used for converting a radio frequency signal of the antenna into an audio signal in a frequency modulation broadcasting mode or a digital audio broadcasting mode according to a control instruction of the micro-control unit so as to send the audio signal to the micro-control unit; the power supply device is in input connection with a power supply, is in output connection with the micro-control unit, the signal processing unit and the storage unit, and is used for converting the input power supply into working voltage required by the device.
Owner:WUHAN SOUTH SAGITTARIUS INTEGRATION CO LTD

A multi-functional outdoor device

ActiveCN224341676UBatteries circuit arrangementsLighting device with mechanical driveElectrical batteryCharge control
This utility model discloses a multifunctional outdoor device, including a housing, a radiation detection device, a power supply device, and a circuit board installed on the front side inside the housing. The circuit board integrates a main control chip. The power supply device includes a solar panel, a hand-cranked generator assembly, and a battery assembly installed inside the housing. The radiation detection device includes a cover tube installed inside the housing and a cover tube detection plate located behind the cover tube. The solar panel includes a solar panel installed on the upper side of the housing and a charging control circuit integrated on the circuit board. The hand-cranked generator assembly includes a rotating component rotatably installed on the rear side of the housing, an operating handle connected to the rotating component, and a hand-cranked generator installed inside the housing. The rotation input part of the hand-cranked generator is installed on the rotating component. The battery assembly includes a lithium battery pack, a battery controller, and a charging / discharging interface. Thus, this utility model offers multiple functions and reduces the user's carrying burden.
Owner:QUANZHOU XINWEI ELECTRONICS

Content protection processing method

ActiveJP2025182219ABroadcast-related systemsBroadcast/distribution of identical information by plural systemsDigital interfaceEngineering
To provide a broadcast receiver which can execute a function with a higher added value.SOLUTION: A broadcast receiver comprises: a digital broadcast reception unit; a network communication unit; and a data string conversion processing unit which can generate a new data string by mixing a data string of content received by the digital broadcast reception unit and a data string acquired by the network communication unit. The broadcast receiver can acquire performance information of an external device via a digital interface that can communicate with the external device, and according to the performance information of the external device, switches between outputting from the digital interface of the new data string generated by mixing the data string of the content received by the digital broadcast reception unit and the data string acquired by the network communication unit by the data string conversion processing unit and outputting from the digital interface of the data string in a state where the mixture processing is not performed when outputting the received content to the external device from the digital interface.SELECTED DRAWING: Figure 29A
Owner:MAXELL LTD

Broadcast reception device, broadcast station device, transmission signal processing method, and content protection method

PCT designated stageWO2026058942A1Broadcast information characterisationBroadcast-related systemsNetwork dataDigital broadcasting
Provided is technology for more suitably transmitting or receiving an advanced digital broadcast service. Used as the means for doing so is a broadcast reception device that, together with a broadcast station device, constitutes a broadcast system, wherein: a broadcast wave data block transmitted using a broadcast wave and an online data block transmitted using a communication network, for both of which transmission from the broadcast station device has started at the same timing, and which each correspond to the same partial video content, are received; a long standby time is set which is longer than the longest time that is expected as the delay time from the start of transmission of the broadcast wave data block to the start of reception of the broadcast wave data block and which is longer than the longest time that is expected as the delay time from the start of transmission of the online data block to the start of reception of the online data block; and decoding of both data blocks for which reception has started is started at the timing when the standby time is elapsed from the start of the transmission of the broadcast wave data block and the online data block.
Owner:MAXELL LTD

Broadcast receiving device and reverberation sound processing method

To provide a technique for transmitting or receiving advanced digital broadcasting services more suitably.SOLUTION: A broadcast receiving device is capable of receiving broadcast waves containing signals by sound source, and includes a broadcast receiving unit that receives the broadcast waves, a transmitting unit that transmits audio signals to an audio output device having a plurality of speakers based on the signals by sound source included in the received broadcast waves, and a control unit. The control unit obtains sound field characteristics, which are the acoustic characteristics at the location where audio of the sound source is recorded, based on information contained in the broadcast waves, generates reverberation sound signals by sound source based on the signals by sound source and the sound field characteristics, and generates a reverberation sound-added audio signal, in which the reverberation sound is added to the audio of the signals by sound source, based on the signals by sound source and the reverberation sound signals by sound source. The transmitting unit sends the reverberation sound-added audio signal as an audio signal to the audio output device.SELECTED DRAWING: Figure 33
Owner:MAXELL LTD

Digital television broadcasting system, digital television broadcasting method

To collect receiver data while securing confidentiality.SOLUTION: A digital television broadcasting system according to one embodiment includes: broadcast signal receiving means for receiving a broadcast signal; and an information storage unit for recording receiver data after encrypting the receiver data in a receiver using an encryption key on the basis of an API execution command included in the broadcast signal. A transmitter transmits the API execution command.SELECTED DRAWING: Figure 8
Owner:KK TOSHIBA

Device and method for improving dynamic range of short-wave receiver by adopting multiple AD (analog-to-digital) converters

The invention discloses a device and method for improving the dynamic range of a short-wave receiver by adopting multiple AD converters, and belongs to the technical field of short-wave receivers. The device comprises a signal acquisition module, a multi-channel processing module and a signal dynamic processing module; the signal acquisition module is used for receiving and acquiring short wave signals; the multi-channel processing module is used for respectively preprocessing short-wave signals of different frequency bands and transmitting the short-wave signals to the signal dynamic processing module; and the signal dynamic processing module is used for receiving the preprocessed short-wave signals and processing and forwarding the preprocessed short-wave signals according to the frequency bands of the short-wave signals. The detection frequency division module distributes the shortwave signals to be processed to the corresponding radio frequency signal processing modules through the preprocessing frequency band list, so that efficient dynamic processing of the shortwave signals in the preprocessing stage is realized; and the signal access dynamic distribution module transmits the short-wave signals to the A / D converter according to the short-wave signal frequency band list, so that the short-wave signals of different frequency bands are dynamically and efficiently processed.
Owner:NANJING YEBANG COMM TECH CO LTD

Sound output device with light

The present application provides a sound output device with a lamp, which is a new device capable of functioning as a lamp and outputting sound. The sound output device with a lamp includes a lamp portion extending in an axial direction, an antenna portion, a sound output portion, and a control portion. One end and the other end of the antenna portion are connected to one side and the other side of the lamp portion with respect to the central portion in the axial direction. The portion between the one end and the other end of the antenna portion extends in the axial direction and is disposed apart from the lamp portion at the periphery of the lamp portion. The control portion is configured to output sound corresponding to a radio wave of a radio broadcast received by the antenna portion from the sound output portion.
Owner:MAKITA CORP

Methods for accumulating content

To provide a digital broadcast receiver capable of executing higher value-added functions. [Solution] The device comprises a first broadcast receiving unit that receives broadcast waves of a first broadcast service, a first separation unit that separates encoded program video data and time control information from the received broadcast waves, a first video decoding unit that decodes the encoded program video data to reproduce program video information, a second broadcast receiving unit that receives broadcast waves of a second broadcast service, a second separation unit that separates encoded program video data and time control information from the received broadcast waves, a second video decoding unit that decodes the encoded program video data to reproduce program video information, a current time information generating unit that generates current time information based on either the first time control information or the second time control information, a presentation processing unit that can input the first program video information, the second program video information, and the current time information, perform appropriate selection processing and / or superimposition processing, and output as video information, a display unit that displays the video information, and a control unit.
Owner:MAXELL LTD

Expandable modular gateway unit

There is provided apparatus and a method for providing data for a plurality of television and / or radio channels to a plurality of users. One or more data feeds can be received from the same or different transmission systems such as satellite broadcast and a distribution network is provided to distribute the data to a plurality of user locations allowing a user at each of the user locations to independently select to receive data for one or more channels at their location. The apparatus and method relates to the selective formation of a distribution unit such as a GTU by connecting a first data feed to a base modular unit in which the data is combined so as to be available from a plurality of output connection ports on the base modular unit to the plurality of users. The base modular unit includes a plurality of input connection ports for the selective connection to output ports of a further modular unit with a further data feed and so on with further modular units until apparatus of the required capacity is formed, with data from all of the data feeds being available from the output ports of the base modular units to all of the users connected thereto.
Owner:GLOBAL INVACOM LTD

Content transmission device and transmission method

To provide a content transmission device and a transmission method capable of using a character content without causing character garbling.SOLUTION: The content transmission device according to one embodiment comprises means which compares a second character coding system which can be corresponded by a client with information of a first character coding system to character data sent by broadcast, inputs coded content data including coded character data by the first character coding system when both of the systems match, and inputs character data within third coded content data obtained by converting the first character coding system to character data conversion means when both of the systems do not match.SELECTED DRAWING: Figure 3
Owner:KK TOSHIBA

Display control method

To provide a technique for more preferably transmitting or receiving an advanced digital broadcasting service.SOLUTION: In a display control method in a broadcast receiving device that can receive a broadcast wave that are simulcast between a 4K broadcast service and a 2K broadcast service via a broadcast transmission line, the 4K broadcast service included in the broadcast wave is received, demodulated, a broadcast program of the 4K broadcast service is displayed, the 2K broadcast service which is a simulcast of the 4K broadcast service is received and demodulated when emergency broadcast information is received while a broadcast program of the 4K broadcast service is being displayed, the display screen of the broadcast receiving device is forcibly switched from the display of the broadcast program of the 4K broadcast service to the display of the screen of an emergency broadcast transmitted by the 2K broadcast service.SELECTED DRAWING: Figure 1
Owner:MAXELL LTD

Opportunistic muting of all-digital stations during noisy acquisition

A method performed by a radio receiver comprises: receiving digital radio broadcast (DRB) signals on respective frequency channels; acquiring a list that identifies which of the DRB signals are all-digital signals; receiving a tune command to tune to a particular DRB signal among the DRB signals; and upon determining that the particular DRB signal is an all-digital signal based on the list: playing muted audio; while playing muted audio, tuning to the particular DRB signal based on the tune command and performing digital signal acquisition of the particular DRB signal; and when the digital signal acquisition is complete, performing digital demodulation of the particular DRB signal to recover digital audio, and switching from playing muted audio to playing digital audio.
Owner:IBIQUITY DIGITAL CORP

Content protection processing method

To provide a broadcast receiving device capable of executing a more added-value high function.SOLUTION: A broadcast receiving device comprises: a reception part that receives a digital broadcast signal containing a first data flow; a communication part 121 that acquires a second data flow corresponded to the first data flow from a server device via a communication circuit; a video image decoding part 141 that decodes a video image data contained in the first data flow and / or a video image data contained in the second data flow and can generate a decoding video image data; and a digital interface 40125 that can output a video image to an external device and can acquires performance information of the external device. In a video image output control state by a digital interface, an output control state that outputs only a decoding video image of the video image data of the first data flow in accordance with the performance information of the external device and a second output control state that outputs both of the video image data of the first data flow and the video image data of the second data flow are included.SELECTED DRAWING: Figure 29A
Owner:MAXELL LTD

Broadcast receiving apparatus, audio signal reproducing method, and content protecting method

PendingJP2026032633ASpecific information broadcast systemsBroadcast receiving circuitsSound source locationSound sources
To provide a technique for matching a display position of an object with a sound source position for a viewer.SOLUTION: A broadcast receiving device includes a receiver that receives a broadcast wave including a video signal, an audio signal, and metadata related to position information of a sound source of the audio signal, a display screen that displays video corresponding to the video signal, an audio output unit that outputs audio corresponding to the audio signal, a detection device that detects a viewing position of a viewer who views the display screen, and a correction circuit that positions the detected viewing position, a display position of an object corresponding to the sound source on the display screen, and a sound source position based on the position information on a straight line.SELECTED DRAWING: Figure 69
Owner:MAXELL LTD

Broadcast receiving device and content protection method

This technology provides a more optimal method for transmitting, receiving, recording, copying, and moving advanced digital broadcasting services. [Solution] The system includes: a receiving unit that receives broadcast waves with different broadcast service content related to the same broadcast program transmitted via simulcast from a broadcasting station; a storage unit that records content information of different broadcast service content related to the same broadcast program from the simulcast broadcast waves received by the receiving unit; and a control unit that sets copy count information as one of the attribute information for each of the simulcast content pieces stored in the storage unit, and decrements the copy count information of all the simulcast content pieces with different broadcast service content stored in the storage unit by 1 when any of the simulcast content pieces is copied to another storage unit.
Owner:MAXELL LTD

Broadcast signal receiving device and broadcast signal receiving method

To provide a broadcast signal receiving device having a function for presenting supported DRM types, and a broadcast signal receiving method.SOLUTION: A broadcast signal receiving device in this embodiment acquires an application comprising application data provided to a program existing on a communication network based on first information included in control signals of broadcast waves for broadcasting the program. When the acquired application acquires contents, to which security management information including at least a video is applied, by communication, security management information processing means provides a type of the supported security management information to the application.SELECTED DRAWING: Figure 1A
Owner:KK TOSHIBA

A signal processing method, a processor and an amplitude modulation broadcast receiver

PendingCN122226188AResource management arrangementsPlural information simultaneous broadcast
The embodiment of the present application provides a signal processing method, a processor and an amplitude modulation broadcast receiver, the method comprises the following steps: acquiring a radio frequency signal, and determining frequency spectrum data corresponding to the radio frequency signal by using a frequency domain conversion algorithm; determining a first noise energy value of each pair of symmetric frequency points according to the frequency spectrum data, calculating a signal-to-noise ratio corresponding to the radio frequency signal according to the first noise energy value; and adjusting the amplitude or gain of the radio frequency signal according to the signal-to-noise ratio; in the embodiment of the present application, the frequency domain conversion is performed on the received radio frequency signal to obtain the frequency spectrum data in the frequency domain, then the first noise energy value of the symmetric frequency points is acquired based on the Nyquist symmetry, the signal-to-noise ratio is calculated according to the first noise energy value and the signal energy value, and the amplitude or gain of the radio frequency signal is adjusted according to the signal-to-noise ratio, so that the quality fluctuation of the received AM signal is reduced, and the listening experience of the user is avoided from being affected.
Owner:KTMICRO ELECTRONICS

Digital broadcast receiving device and processing method

ActiveJP7788225B2Plural information simultaneous broadcastBroadcast/distribution of identical information by plural systemsComputer hardwareComputer network
To provide a technique for more preferably transmitting or receiving an advanced digital broadcasting service.SOLUTION: A digital broadcast receiver includes a first receiving unit that receives a digital broadcasting broadcast wave in which a 2K broadcast program and an extended broadcast program transmitted by modulated waves of different layers of the same broadcast wave are transmitted by simultaneous broadcasting from a broadcasting station, and a second receiving unit that receives the broadcast wave of the digital broadcast. In the broadcast wave, a 2K broadcast service that transmits the 2K broadcast program is transmitted by a modulated wave in an upper layer of the broadcast wave, and a 2K broadcast service that transmits the extended broadcast program is transmitted by the modulated wave of the lower layer of the broadcast wave.SELECTED DRAWING: Figure 2A
Owner:MAXELL LTD

Information processing device and information processing method

The present disclosure relates to an information processing device and an information processing method that make it possible to improve the quality of communication in a vehicle. A vehicle-mounted system determines a common keyword indicating a matter of concern common to a plurality of occupants in a vehicle, transmits the common keyword to a cloud system, and receives and reproduces a common content that is a content delivered from the cloud system on the basis of the common keyword and attribute data of the plurality of occupants. The cloud system generates a content search word on the basis of the common keyword and the attribute data of the plurality of occupants, searches a content data storage unit using the content search word, and delivers, as the common content, content data obtained as a result of the search to the vehicle-mounted system. The present technology can be applied to, for example, a content delivery system that delivers a content to a vehicle via a network.
Owner:SONY GROUP CORP

Reception device and reception method

A period required for channel scanning for a plurality of broadcasting systems is reduced. A reception device includes a demodulation processing unit that confirms a broadcasting system with which demodulation can be performed among a plurality of broadcasting systems in parallel on the basis of a received signal from a tuner shared by the plurality of broadcasting systems at the time of channel scanning, and performs demodulation processing with the broadcasting system with which demodulation can be performed. The demodulation processing unit may determine the broadcasting system with which demodulation can be performed from the plurality of broadcasting systems on the basis of a result of confirmation as to whether a signal that supports the broadcasting system with which demodulation can be performed is included in the received signal. Demodulation processing by the demodulation processing unit may stand by until a channel frequency of the received signal is updated to the broadcasting system with which demodulation can be performed for a broadcasting system with which it is determined that demodulation cannot be performed.
Owner:SONY SEMICON SOLUTIONS CORP

Audio level normalization on the car radio

PendingDE102024002219A1Broadcast services for monitoring/identification/recognitionBroadcast information monitoringData streamIn vehicle
The invention relates to a method for receiver-side normalization of audio levels of audio data streams from different transmitters wirelessly transmitted to a user vehicle (1), wherein at least one receiver vehicle (3): i) analyzes a plurality of audio data streams from different transmitters for their respective levels defined in each of the audio data streams, and determines deviations of these defined levels from one another, and / or ii) detects a reaction to a change in a predetermined volume level of an occupant within a predetermined time period after switching to another transmitter in the at least one receiver vehicle (3), and determines compensation values ​​based on i) and / or ii) and assigns them to a respective transmitter and stores them in a database.and wherein, using the compensation values ​​of the database in the user vehicle (1), a level of an audio data stream is adjusted by assigning its transmitter to the corresponding compensation value.
Owner:MERCEDES BENZ GROUP AG

Broadcast signal receiving apparatus and broadcast signal receiving method

To provide a broadcast signal receiving apparatus and a broadcast signal receiving method having a function of presenting the type of supported DRM.SOLUTION: The broadcast signal receiving apparatus according to the present embodiment acquires an application existing on a communication network and including application data added to a program on the basis of first information included in a control signal of a broadcast wave for broadcasting the program, and provides a type of security management information supported by security management information processing means to the application when the acquired application acquires content including at least a video to which the security management information is applied through communication.SELECTED DRAWING: Figure 1A
Owner:KK TOSHIBA

Preprocessing system for cancelling interference within adjacent ranges of HDR and CDR analog signals

The invention discloses a pre-processing system for eliminating interference in adjacent ranges of analog signals of HDR and CDR. The present embodiment provides a pre-processing system for cancelling interference within adjacent ranges of analog signals of HDR and CDR, which, in the process of receiving hybrid digital radio (HDR, Hybrid Digital Radio) and Content Digital Radio (CDR, Conditional Digital Radio), restores the Symmetric attribute, and in addition, uses the FM phase (Phase) characteristic of the signal to determine whether the signal is noisy, thereby eliminating interference within adjacent ranges of the analog signals of HDR and CDR. Therefore, interference in an adjacent range of analog signals can be eliminated through a single path under the condition that beam forming (more than two paths) is not used.
Owner:RF2数位股份有限公司