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US 12,413,327 B2Granted
Communication apparatus and communication system
AssigneeSony Semiconductor Solutions Corporation
InventorsToshihisa Hyakudai, Satoshi Ota, Junya Yamada
Life of this patent
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Abstract
A communication apparatus includes: an encoder that generates a packet of a time division duplex (TDD) communication system, the packet including a high-definition multimedia interface (HDMI) signal; and a communication unit that transmits the packet to a communication partner device for each of a plurality of divided periods obtained by dividing one TDD burst period in the TDD communication system.
Claims19
A communication apparatus, comprising:
- an encoder that generates a packet of a time division duplex (TDD) communication system, the packet including a high-definition multimedia interface (HDMI) signal;
- and
- a communication unit that transmits the packet to a communication partner device for each of a plurality of divided periods obtained by dividing one TDD burst period in the TDD communication system, wherein the plurality of divided periods are respectively a time period obtained by dividing the one TDD burst period into at least four.
A communication apparatus comprising:
- an encoder that generates a packet of a time division duplex (TDD) communication system, the packet including a high-definition multimedia interface (HDMI) signal;
- and
- a communication unit that transmits the packet to a communication partner device for each of a plurality of divided periods obtained by dividing one TDD burst period in the TDD communication system, wherein
- the communication unit transmits the packet to the communication partner device every one of 6.844 [μsec], which is a time period obtained by dividing the one TDD burst period into four, and 3.422 [μsec], which is a time period obtained by dividing the one TDD burst period into eight.
1 more element
A communication apparatus comprising:
- an encoder that generates a packet of a time division duplex (TDD) communication system, the packet including a high-definition multimedia interface (HDMI) signal;
- a communication unit that transmits the packet to a communication partner device for each of a plurality of divided periods obtained by dividing one TDD burst period in the TDD communication system,
- wherein the communication unit transmits, where the HDMI signal includes a consumer electronics control (CEC) signal, the packet that includes the CEC signal sampled in synchronization with a clock signal shared with the communication partner device to the communication partner device in at least one of the plurality of divided periods in the one TDD burst period;
- and
- a decoder that decodes a packet including a response signal of the CEC signal transmitted from the communication partner device and returns, within 0.35 msec after an HDMI device that has transmitted the CEC signal transmits the CEC signal, the response signal to the HDMI device.
2 more elements
A communication apparatus comprising:
- an encoder that generates a packet of a time division duplex (TDD) communication system, the packet including a high-definition multimedia interface (HDMI) signal;
- and
- a communication unit that transmits the packet to a communication partner device for each of a plurality of divided periods obtained by dividing one TDD burst period in the TDD communication system, wherein
- the communication unit transmits, where the HDMI signal includes a Try-byte signal, the packet that includes TMDS characters in units of 24 bits of the Try-byte signal to the communication partner device for each of the divided periods obtained by dividing the one TDD burst period into four.
1 more element
A communication apparatus, comprising:
- a decoder that decodes a high-definition multimedia interface (HDMI) signal included in a first packet received from a communication partner device by a time division duplex (TDD) communication system;
- an encoder that generates a second packet including a response signal to the communication partner device on a basis of the HDMI signal from the communication partner device;
- and
- a communication unit that transmits the second packet to the communication partner device for each TDD burst period in the TDD communication system, wherein
- the decoder decodes the HDMI signal included in the first packet received from the communication partner device by the TDD communication system, and reproduces a frequency of one of a transition minimized differential signaling (TMDS) clock and an FML clock on a basis of information regarding one of a number of TMDS characters and a number of fixed rate link (FRL) characters per unit time included in the decoded HDMI signal.
2 more elements
A communication apparatus, comprising:
- a decoder that decodes a high-definition multimedia interface (HDMI) signal included in a first packet received from a communication partner device by a time division duplex (TDD) communication system;
- an encoder that generates a second packet including a response signal to the communication partner device on a basis of the HDMI signal from the communication partner device;
- and
- a communication unit that transmits the second packet to the communication partner device for each TDD burst period in the TDD communication system, wherein
- the decoder reproduces a transition minimized differential signaling (TMDS) character period where the decoded HDMI signal includes information regarding a number of TMDS characters per unit time.
2 more elements
A communication apparatus, comprising:
- a decoder that decodes a high-definition multimedia interface (HDMI) signal included in a first packet received from a communication partner device by a time division duplex (TDD) communication system;
- an encoder that generates a second packet including a response signal to the communication partner device on a basis of the HDMI signal from the communication partner device;
- and
- a communication unit that transmits the second packet to the communication partner device for each TDD burst period in the TDD communication system, wherein
- the communication unit transmits, where the HDMI signal decoded by the decoder includes a consumer electronics control (CEC) signal, the second packet that includes a response signal to the CEC signal to the communication partner device such that an HDMI device connected to the communication partner device receives the response signal to the CEC signal within 0.35 [msec] after the HDMI device transmits the HDMI signal that includes the CEC signal to the communication partner device.
2 more elements
A communication apparatus, comprising:
- a decoder that decodes a high-definition multimedia interface (HDMI) signal included in a first packet received from a communication partner device by a time division duplex (TDD) communication system;
- an encoder that generates a second packet including a response signal to the communication partner device on a basis of the HDMI signal from the communication partner device;
- and
- a communication unit that transmits the second packet to the communication partner device for each TDD burst period in the TDD communication system, wherein
- the encoder generates, where the HDMI signal that includes an audio return channel (ARC) signal is transmitted to the communication partner device, the second packet that includes a sub-frame of four bytes including time slots 0 to 31, converts a preamble for transmitting the time slots 0 to 3 into a specific code of four bits, and inputs, to the time slot 4, a timestamp at which the ARC signal was input.
2 more elements
Dependencies are inferred from the claim text.