Method of using AV devices and AV device system
First Claim
1. A device system comprising a plurality of devices for generating and recording and reproducing information and including a time management section for managing the time of the information signal and at least one display section connected by a bus to said devices for displaying said information signal,wherein each of said devices includes means for issuing a request to at least one other device through said bus to acquire the operating condition of the time management section and the current time, and means for receiving the information indicating the operating condition of said time management section.
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Accused Products
Abstract
A plurality of devices and a device system are disclosed, in which a plurality of input devices generate an input AV signal, a related device records and reproduces the AV signal, and a display device displays the AV signal. The input devices, the related device and the display device are interconnected to configure an AV system having a bus for transmitting or receiving the AV signal and management information. The related device of the AV system includes a recording medium for recording the AV signal, and the input devices transmit to the related device a request to secure a recording area on the recording medium.
92 Citations
21 Claims
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1. A device system comprising a plurality of devices for generating and recording and reproducing information and including a time management section for managing the time of the information signal and at least one display section connected by a bus to said devices for displaying said information signal,
wherein each of said devices includes means for issuing a request to at least one other device through said bus to acquire the operating condition of the time management section and the current time, and means for receiving the information indicating the operating condition of said time management section.
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7. A device system comprising a plurality of devices for generating and recording and reproducing information and including a time management section for managing the time of the information signal and at least one display section connected by a bus to said devices for displaying said information signal,
wherein each of said devices includes means for issuing a request to at least one other device through said bus to set the current time and the operating condition of the time management section including the operating condition of said time management section.
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12. A device system comprising a plurality of devices for generating and recording and reproducing information and including a time management section for managing the time of the information signal and at least one display section connected by a bus to said devices for displaying said information signal,
wherein each of said devices includes means for issuing a request to at least one other device through said bus to acquire the information indicating the status of said time management section including the current time and the operating condition of the time management section, means for receiving said information indicating the status of said time management section in response to said acquisition request, and means for issuing a request to the other devices to set the information indicating the status of the time management section.
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18. A device system comprising a plurality of devices for generating and recording and reproducing information and including a time management section for managing the time of the information signal and at least one display section connected by a bus to said devices for displaying said information signal,
wherein each of said devices includes means for transmitting the information indicating the status of said time management section in response to a request from at least one other device to acquire the information indicating the status of said time management section through said bus.
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19. A device system comprising a plurality of devices for generating and recording and reproducing information and including a time management section for managing the time of the information signal and at least one display section connected by a bus to said devices for displaying said information signal,
wherein each of said devices includes means for setting the status of said time management section in response to a request from at least one other device to set the status of said time management section through said bus.
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21. A device system comprising a plurality of devices for generating and recording and reproducing information and including a time management section for managing the time of the information signal and at least one display section connected by a bus to said devices for displaying said information signal,
further comprising at least a device including means for requesting said at least one other device to acquire the information indicating the status of the time management section including the operating condition of the time management section and the current time and means for receiving the information indicating the status of said time management section, and at least a device including means for responding to a request from at least one other device to acquire the information on the status of the time management section through said bus, wherein the status of the time management section can be grasped between said devices existing on the bus.
Specification