Canon Kabushiki Kaisha

Canon Information Systems, Inc.

Martin Martinez

Eric Floyd Riggert

Neil Y Iwamoto

Royce Earle Slick

Joseph W Yang

Wei-Jhy Chern

Jeanette Yang Paek

Eliza Khosrova

Attaullah Seikh

Don Francis Purpura

Don Hideyasu Matsubayashi

Craig Mazzagatte

Ajit Sodhi

Steve Yasuhiro Muto

Stephanie Ann Suzuki

Sameer Thalappil

Attullah Seikh

QuocCuong Thong Bui

Providing display information to a client display device communicating with a plurality of servers is disclosed. Each of the servers provides a pre-assigned partial region of an overall image for display on the client display device. The client display device sends a request to each server via a multicast or broadcast communication channel. The request includes an identification of a plurality of partial regions of an image to be displayed on the client display device. The client display device receives image data from each server that is assigned to generate image data for partial regions identified by the client. Each of such servers asynchronously provides the image data for its pre-assigned partial region by sending the image data over one or more respective data communication channels to the client display device, in accordance with the request sent to each server via the communication channel.

Providing image data to a client display device

Sending a data stream from a sending endpoint to a receiving endpoint, wherein both of the sending endpoint and the receiving endpoint each have multiple physical interfaces connecting the sending endpoint and the receiving endpoint to multiple networks, respectively, is provided. The data stream is split into a series of data packets and sent over the multiple physical interfaces. A next available data packet of the series is sent over a fastest one of the multiple physical interfaces. A data packet from further back in the series is extracted in accordance with a determined expected difference in arrival time, and sent on a corresponding slower one of the multiple physical interfaces. The next available data packet is sent from the sending endpoint nearly simultaneously as the extracted data packet is sent from the sending endpoint.

Network streaming of a single data stream simultaneously over multiple physical interfaces

Adjusting utilization of network bandwidth in a network comprising a media server and a media client is provided. The media client is connected to a display screen, and a video media is streamed from the media server to the media client. A distance between the display screen and a viewer is measured, and an indication of the distance is sent to the media server. A frame rate of the streaming video media is then adjusted in accordance with the indication, and the streaming video media with the adjusted frame rate is received by the media client.

Network streaming of a video media from a media server to a media client

The present disclosure is directed to providing feedback information for a data stream being sent from a sending endpoint to a receiving endpoint. Both of the endpoints each have multiple physical interfaces connecting each endpoint to multiple networks, respectively. Information as feedback information is gathered regarding a data capacity throughput for each of the multiple physical interfaces connected to the endpoints. The feedback information is split and sent on one or more of the multiple physical interfaces from the receiving endpoint to the sending endpoint. A detection is made, based on the feedback information, whether one or more of the physical interfaces used to send the feedback information have degraded or failed. The feedback information is then reapportioned and sent from the receiving endpoint to the sending endpoint on one or more of the multiple physical interfaces which have not been detected as degraded or failed.

Providing feedback information when network streaming over multiple physical interfaces

Adjusting utilization of network bandwidth in a network comprising a media server and a media client is provided. The media client is connected to a display screen, and a video media is streamed from the media server to the media client. A distance between the display screen and a viewer is measured, and an indication of tile distance is sent to the media server. A resolution of the streaming video media is then adjusted in accordance with the indication, and the streaming video media with the updated resolution is received by the media client.

An architecture for streaming data from a sending endpoint to a receiving endpoint which are connected to each other by multiple networks is provided. Each of the sending endpoint and the receiving endpoint has multiple physical interfaces each for interfacing to a respective one of the multiple networks. The architecture is implemented on both of the endpoints. The architecture includes a traffic monitor for gathering performance characteristics of each of the multiple physical interfaces, and a software library for controlling sending and receiving of the data stream between the endpoints. The traffic monitor and the software library communicate information to each other. The software library instantiates a plurality of bondable virtual interfaces for splitting the data stream into multiple data sub-streams and for combining the multiple data sub-streams into the data stream, and a data organizer for designating one of the plurality of bondable virtual interfaces.

Efficient network utilization using multiple physical interfaces

The present disclosure is directed to sending a single data stream from a sending endpoint to a receiving endpoint. Both of the endpoints each have multiple data communication channels connecting each endpoint to one or more networks, respectively. Different portions of data packets are sent by the sending endpoint over different ones of the multiple data communication channels. Sender content information is sent by the sending endpoint to the receiving endpoint over one or more of the data communication channels. Feedback information is sent by the receiving endpoint over one or more of the data communication channels and is received by the sending endpoint. The feedback information is gathered for each of data communication channels connected to the receiving endpoint. Receiver content information regarding streaming data gathered at the receiving endpoint is sent by the receiving endpoint over one or more of the data communication channels and is received by the sending endpoint.

Network streaming over multiple data communication channels using content feedback information

The present disclosure is directed to using feedback information regarding a data stream being sent from a sending endpoint to a receiving endpoint. Both of the sending endpoint and the receiving endpoint each have multiple physical interfaces connecting the sending endpoint and the receiving endpoint to multiple networks, respectively, and the data stream is split into a series of data packets and sent over the multiple physical interfaces. Different portions of the data packets are sent over different ones physical interfaces based at least partially on a data capacity throughput for each of the multiple physical interfaces. Feedback information is gathered for each of the multiple physical interfaces. Feedback information gathered at the receiving endpoint is split and sent to the sending endpoint on one or more of the physical interfaces. Data packets are then reapportioned and sent over different ones of the physical interfaces based on the feedback information.

Network streaming over multiple physical interfaces using feedback information

The present disclosure is directed to streaming a video from a sending endpoint to a receiving endpoint. Both of the sending endpoint and the receiving endpoint have multiple communication channels connecting the sending endpoint and the receiving endpoint to one or more networks, respectively, and the streaming video includes a plurality of intra-frame coded frames and a plurality of inter-frame coded frames. The sending endpoint sends different ones of the plurality of intra-frame coded frames and different ones of high priority inter-frame coded frames to the receiving endpoint over more than one of the multiple communication channels having a connection-oriented protocol. In addition, the sending endpoint sends different ones of non-high priority inter-frame coded frames to the receiving endpoint over more than one of the multiple communication channels having a connectionless-oriented protocol.

Network streaming of a video stream over multiple communication channels

Sending a single data stream from a sending endpoint to a receiving endpoint, wherein both of the sending endpoint and the receiving endpoint each have multiple physical interfaces connecting the sending and receiving endpoint to multiple networks, respectively, is provided. The single data stream is partitioned into multiple data packets. A physical interface is designated on the sending side and the receiving side in accordance with a data capacity throughput of each of the multiple physical interfaces. Different portions of the partitioned data packets are then sent over different ones of the multiple physical interfaces in accordance with the designation. The single data stream is then reconstructed by combining received partitioned data packets into the single data stream in accordance with header information. An acknowledgment is sent to the sending endpoint indicating an amount of data received on each multiple physical interface, including any changes in the data capacity throughput.

Reliable network streaming of a single data stream over multiple physical interfaces

The present disclosure is directed to controlling a sending of a single data stream from a sending endpoint to a receiving endpoint. Both of the endpoints each have multiple physical interfaces connecting each endpoint to one or more networks. A buffer size is selected for a buffer at the receiving endpoint, and an estimation is made by the receiving endpoint of a fill rate of the buffer. The estimated fill rate is then compared with a target fill rate. Feedback is then sent by the receiving endpoint over one or more of the physical interfaces instructing the sending endpoint to reduce or increase a rate at which data is being sent, if the estimated fill rate is more than the target fill rate or the estimated fill rate is less than the target fill rate, respectively. The splitting and sending of data is then adjusted according to the feedback.

Network streaming over multiple physical interfaces

Adjusting utilization of network bandwidth by a non-time critical data stream being sent from a sending endpoint to a receiving endpoint, wherein both of the sending endpoint and the receiving endpoint each have multiple physical interfaces connecting the sending endpoint and the receiving endpoint to multiple networks. The non-time critical data stream is split and sent over multiple physical interfaces. A determination is made as to whether at least one of the multiple physical interfaces of the sending endpoint is sending or receiving a time critical or a near-time critical data stream, and a notification is received by the sending endpoint in a case that at least one of the multiple physical interfaces of the receiving endpoint is sending or receiving a time critical or a near-time critical data stream. The network bandwidth utilization of at least one of the multiple physical interfaces of the sending endpoint is then adjusted in accordance with the determination and/or the notification.

Efficient bandwidth utilization when streaming data over multiple network interfaces

Access control to a networked peripheral device by a walk-up user, wherein the networked peripheral device is accessible by both the walk-up user and a remote user, based on centralized access management information. Access control comprises receiving authenticated information for the walk-up user from the networked peripheral device at a centralized location, determining at the networked peripheral device a level of access to the networked peripheral device by the walk-up user based on received access management information for the walk-up user, and allowing the walk-up user to access the determined user-available features of the networked peripheral device based on the determined level of access.

Device access based on centralized authentication

The invention provides for installing encryption keys on a device not having any previous security credentials. An installation authority generates a security token to be used by the device for secure communications, and an installation credential for the device, and stores them in association with one another. A user of the device is provided with the installation credential, whereby the user inputs the installation credential into the device. The device utilizes the installation credential as a temporary security key, establishes a secure communication channel with the installation authority and requests provision of the security token. The installation authority provides the security token associated with the installation credential to the device over the established secure communication channel, and the device installs the security token, after which the device erases the installation credential from the device. The installation authority may also certify the security token and provide a certified token and a root verification certificate to the device.

Establishing mutual authentication and secure channels in devices without previous credentials

Security against replay of a message by generating a list of unique message enabling codes (TATs) in a first device and storing the list in a second device. A message generated in the first device, which includes at least one of the unique message enabling codes from the list, is transmitted to the second device. The unique message enabling code of the received message is compared with the list stored in the second device to determine whether or not to enable processing of the message by the second device. If the unique message enabling code received with the message is included in the stored list, processing of the message is enabled and, the corresponding unique message enabling code is deleted from the stored list. If the unique message enabling code received with the message is not included in the stored list, processing of the message is rejected.

Growing community of inventors

Ladera Ranch, CA, United States of America

Martin Martinez