239 results about "Channel coupling" patented technology

A method for secure communications between a client and one of a plurality of servers performed on an intermediary device coupled to the client and said plurality of servers. In one aspect, the method comprises: establishing an open communications session between the intermediary device and the client via an open network; negotiating a secure communications session with the client; establishing an open communications session with said one of said plurality of servers via a secure network; receiving encrypted data from the client via the secure communications session; decrypting encrypted application data; forwarding decrypted application data to the server via the secure network; receiving application data from the server via the secure network; encrypting the application data; and sending encrypted application data to the client. In a further aspect, an apparatus including a network interface communicating with the public network and the secure network at least one processor, programmable dynamic memory addressable by the processor, and a communications channel coupling the processor, memory and the network communications interface is provided. The apparatus further includes a proxy TCP communications engine, a proxy SSL communications engine, a server TCP communications engine; and a packet data encryption and decryption engine.

An audio encoder discards spectral components of an input signal and uses channel coupling to reduce the information capacity requirements of an encoded signal. Channel coupling represents selected spectral components of multiple channels of signals in a composite form. An audio decoder synthesizes spectral components to replace the discarded spectral components and generates spectral components for individual channel signals from the coupled-channel signal. The encoder provides scale factors in the encoded signal that improve the efficiency of the decoder to generate output signals that substantially preserve the spectral energy of the original input signals.

A plurality of memory modules used in a computer system each include a memory hub that is connected to a plurality of memory devices. The memory modules are connected to each other in series so that signals are coupled between the memory modules and the memory hub controller through any intervening memory modules. The signals are coupled to and from the memory modules through high-speed bit-lanes. In the a bit-lane connected to any of the memory hubs is inoperative, the memory hub re-routes signals that would be coupled through the inoperative bit-lane to an adjacent bit lane. When the signal reaches a memory hub in which the bit-lane is no longer inoperative, the memory hub routes the signal back to the original bit lane. In this manner, multiple bit-lane failures can be accommodated using a signal extra bit-lane.