Method of controlling devices and tuner device
First Claim
1. A method for controlling recording of an audio/video (A/V) data stream in a display device of a wireless network, the control method comprising:
- transmitting a first request message to a tuner device for requesting status information of the tuner device that transmits an A/V data stream to the display device after receiving a recording instruction signal from a user;
receiving a first response message which comprises status information of the tuner device, from the tuner device in response to the first request message;
transmitting a second request message to request recording of the A/V data stream to the source device, the second request message comprising the status information of the tuner device; and
receiving a second response message from the source device in response to the second request message,wherein the first response message comprises information indicating whether caption information is included in the A/V data stream transmitted from the tuner device to the display device.
1 Assignment
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Accused Products
Abstract
A control method for recording audio/video data streams in a display device of a wireless network comprises transmitting a Give Tuner Device Status message to a tuner device to request status information of the tuner device that senses a record command signal input from a user and transmits A/V data streams to the display device; receiving a response message, Tuner Device Status message, which includes the status information of the tuner device, from the tuner device in response to the Give Tuner Device Status message; transmitting a record on message, which includes the status information of the tuner device, to the source device; and receiving a record status message from the source device in response to the record on message, wherein the response message includes information indicating whether caption information is included in the A/V data streams transmitted from the tuner device to the display device.
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Citations
28 Claims
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1. A method for controlling recording of an audio/video (A/V) data stream in a display device of a wireless network, the control method comprising:
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transmitting a first request message to a tuner device for requesting status information of the tuner device that transmits an A/V data stream to the display device after receiving a recording instruction signal from a user; receiving a first response message which comprises status information of the tuner device, from the tuner device in response to the first request message; transmitting a second request message to request recording of the A/V data stream to the source device, the second request message comprising the status information of the tuner device; and receiving a second response message from the source device in response to the second request message, wherein the first response message comprises information indicating whether caption information is included in the A/V data stream transmitted from the tuner device to the display device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A sink device performing control for recording of an audio/video (A/V) data stream in a wireless network, the sink device comprising:
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an audio video control (AVC) layer generating a first command comprising a first identifier identifying the sink device, a second identifier identifying a source device or a tuner device, and an operation code; a medium access control (MAC) layer generating a MAC message comprising a message preamble, a message type and the first command transferred from the AVC layer; and a physical layer generating a first physical data unit comprising an uplink control header, the MAC message and A/V data and transmitting the first physical data unit to the source device or the tuner device, and receiving a second physical data unit from the source device or the tuner device, the second physical data unit comprising a second command transmitted from the source device or the tuner device in response to the first command, wherein the second command comprises information indicating whether caption information is included in an A/V data stream transmitted from the tuner device to a display device. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A source device of a wireless network, the source device comprising:
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a receiving module receiving a broadcasting signal and a first command from a sink device, the first command for identifying whether the source device can record audio/video (A/V) data; a network control module processing the first command and generating a physical data unit comprising a MAC message and the broadcasting signal, the MAC message comprising a second command in response to the first command, and transmitting the generated physical data unit to the sink device; and a control module determining whether to perform control recording of an A/V data stream according to the first command processed by the network control module, wherein the control module determines whether to record the A/V data stream depending on the status of a tuner device.
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20. A method of exchanging messages in a tuner device receiving a first command from a display device of a wireless network, the method comprising:
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generating a second command comprising information indicating the status of the tuner device in response to the first command in an AVC layer; transferring a MAC message from a MAC layer to a physical layer, the MAC message comprising a message preamble, a message type and the second command transmitted from the AVC layer; and transmitting a downlink physical (PHY) layer data unit from the physical layer to the display device, the physical data unit comprising at least one header, the MAC message, and the A/V data, wherein the second command comprises information indicating whether caption information is included in an A/V data stream transmitted from the tuner device to the display device. - View Dependent Claims (21, 22, 23)
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24. A tuner device in a wireless network, the tuner device comprising:
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an AVC layer generating an AVCL message comprising a first identifier identifying the tuner device, a second identifier identifying a display device, a second command comprising an operation code, and information of the tuner device, wherein the AVCL message is a response message for a first command received from the display device; a MAC layer generating a MAC message comprising a message preamble, a message type and the second command transferred from the AVC layer; and a physical layer receiving a first physical data unit comprising the first command, and generating a second physical data unit comprising an uplink control header, the MAC message and Audio/Video (A/V) data and transmitting the second physical data unit to the display device, wherein the information of the tuner device comprises information indicating whether caption information is included in an A/V data stream transmitted from the tuner device to the display device. - View Dependent Claims (25, 26, 27, 28)
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Specification