Method and architecture to support interaction between host computer and remote display devices wherein service-specific protocols for the remote devices are defined
First Claim
1. A method for displaying content on a remote display device, comprising:
- establishing a network communication link between the remote display device and a host computer;
determining display capabilities of the remote display device based on a capabilities advertisement received by the host computer;
launching a host-side software module to run on the host computer to enable interaction with the remote device via a display service-specific protocol that is specific to the display capabilities of the remote display device, wherein the display service-specific protocol is determined from the capabilities advertisement;
sending display data corresponding to the display content from the host computer to the remote display device over the network communication link, said display data having a format corresponding to the display capabilities of the remote display device;
sending display commands corresponding to the display service-specific protocol indicating how the display data is to be displayed on the remote display device;
displaying the display data on the remote display device in response to the display commands; and
wherein the display service-specific protocol includes feedback primitives to enable the remote display to provide display feedback information to the host computer.
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Abstract
A method and architecture for enabling interaction between a remote device and a host computer. A service provided by the remote device is discovered, and a description pertaining to the service is retrieved by the host computer. A network communication link is the established between the remote device and the host computer based on connection information provided by the description. Host-side and client-side software service modules are run on the host and remote devices to enable interaction between the devices using a service protocol that is specific to the service. Various service protocols are provided, including a display service protocol and an input service protocol. Using commands provided by each protocol, the host computer is enabled to control the service remotely by pushing data and appropriate commands to the remote device, whereupon these commands are processed by the client-side service module to perform service operations that employ the sent data.
60 Citations
5 Claims
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1. A method for displaying content on a remote display device, comprising:
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establishing a network communication link between the remote display device and a host computer; determining display capabilities of the remote display device based on a capabilities advertisement received by the host computer; launching a host-side software module to run on the host computer to enable interaction with the remote device via a display service-specific protocol that is specific to the display capabilities of the remote display device, wherein the display service-specific protocol is determined from the capabilities advertisement; sending display data corresponding to the display content from the host computer to the remote display device over the network communication link, said display data having a format corresponding to the display capabilities of the remote display device; sending display commands corresponding to the display service-specific protocol indicating how the display data is to be displayed on the remote display device; displaying the display data on the remote display device in response to the display commands; and
wherein the display service-specific protocol includes feedback primitives to enable the remote display to provide display feedback information to the host computer. - View Dependent Claims (2, 3, 4, 5)
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Specification