Abstract: A burner system for use in a gas cooking grill has a primary burner in a firebox providing heat to a cooking surface above the primary burner and a secondary burner in the firebox selectively providing heat to a cooking grate such that ignition of the secondary burner provides an additional degree of heat to the cooking surface above the primary burner.

Abstract: A system for testing at least one test piece. The system includes a pressure vessel including a first chamber receiving a first fluid at a first pressure. The pressure vessel further includes a second chamber receiving a second fluid. The pressure vessel further includes an actuating membrane fluidly separating the first chamber from the second chamber. The system further includes a test vessel including an internal chamber disposed in fluid communication with the second chamber. The test vessel further includes at least one test wall coupled to the at least one test piece. The system further includes an actuator engaged with the actuating membrane and configured to apply a time-varying force on the actuating membrane while the first pressure is being applied by the first fluid on the actuating membrane.

Abstract: Systems and methods for data authentication can comprise processing a first secret element to generate a first encrypted secret element, processing a second secret element to generate a non-secret element, and processing the first encrypted secret element and the non-secret element to generate an encrypted data block.

Abstract: Systems and methods for data authentication can comprise processing a first secret element to generate a first encrypted secret element, processing a second secret element to generate a non-secret element, and processing the first encrypted secret element and the non-secret element to generate an encrypted data block.

Abstract: Systems and methods for data authentication can comprise processing a first secret element to generate a first encrypted secret element, processing a second secret element to generate a non-secret element, and processing the first encrypted secret element and the non-secret element to generate an encrypted data block.

Abstract: A rotisserie having a first support structure with a rotisserie motor affixed thereto, the rotisserie motor having a receptacle for receiving a spit rod. A second support structure defines a slot for receiving the spit rod. The first and second support structures are mounted to side shelves on a grill on opposite sides of a cooking grate. The side shelves each define at least one mounting aperture for retaining the support structures in upright positions.

Abstract: Systems and methods for authenticating data and timeliness are disclosed. A method for authentication can comprise processing a data block to determine a first secret element, generating a second secret element based upon the first secret element, generating a non-secret element based upon the second secret element, and comparing the non-secret element to a nonce associated with the first secret element to determine authentication.

Abstract: An outdoor cooking grill assembly having a side gas oven which is positioned at substantially the same elevation as the grill and preferably also includes a gas burner assembly of the same type used in the grill.

Abstract: A rotisserie having a first support structure with a rotisserie motor affixed thereto, the rotisserie motor having a receptacle for receiving a spit rod. A second support structure defines a slot for receiving the spit rod. The first and second support structures are mounted to side shelves on a grill on opposite sides of a cooking grate. The side shelves each define at least one mounting aperture for retaining the support structures in upright positions.

Abstract: Systems and methods for authenticating data and timeliness are disclosed. A method for authentication can comprise processing a data block to determine a first secret element, generating a second secret element based upon the first secret element, generating a non-secret element based upon the second secret element, and comparing the non-secret element to a nonce associated with the first secret element to determine authentication.

Abstract: Systems and methods for data authentication can comprise processing a first secret element to generate a first encrypted secret element, processing a second secret element to generate a non-secret element, and processing the first encrypted secret element and the non-secret element to generate an encrypted data block.

Abstract: An elementary two-stream transport multiplexer provides for the addition of services contained in a transport stream to a pre-existing transport stream. The elementary multiplexer includes a pair of transport demultiplexers, a processor and a transport remultiplexer. The demultiplexers demultiplex a pair of input transport streams to their constituent service components and service control information tables. The service control information tables are routed to the processor which combines and reconfigures the information within the tables to provide a single set of output service control information tables. The demultiplexers filter the service components based on the output service control tables. The transport remultiplexer multiplexes the output tables with the filtered streams to provide an output transport stream.

Abstract: A system and method are disclosed for digitally representing reference and data signals transmitted in the vertical blanking interval (VBI) of an analog television waveform such as NTSC or PAL. The system includes means for compressing the digital representation of the VBI signals. A broad range of reference and data signals is capable of being represented. The compressed representations of the VBI signals are particularly suitable for inclusion in an MPEG2 compliant signal carrying compressed digital video and audio.

Abstract: A method is disclosed for supplying arbitrary types of information in a digital signal conformant to the structures defined in ISO standard ISO/IEC 13818-1, known generally as MPEG2 Systems. The method extends Program Stream and Transport Stream structures by application of principles developed for standardization of bidirectional data communications protocols to define a universal messaging syntax applicable to all types of information, including Internet data streams, VBI data streams, other types of data streams, as well as MPEG2 video, audio, and control; to define a multiplexing structure that is independent of the details of the MPEG2 signal structure; and to define a scheme for addressing such enhanced MPEG2 signals, or portions of signals, to individual decoders or to groups of decoders.

Abstract: Improved platinum group three-way catalyst composition comprising (a) a high temperature catalyst support material, (b) a low temperature catalyst support material, (c) at least one platinum group metal, and (d) a metal additive effective for the suppression of hydrogen sulfide emissions, that is disposed in a separate layer either under or over a layer comprising the constituents (a), (b), and (c), or in the same layer as the constituents (a), (b), and (c). When the metal additive is disposed in the same layer as the constituents (a), (b), and (c), (d) the metal additive is disposed in a physical structure that is segregated from the remaining components in the layer.

Abstract: A remotely retunable receiver for use in a satellite video programming distribution system includes the capability to retune groups of subscribers to different satellite feeds during a blackout of a video programming event. To achieve flexible control over program blackouts, a receiver retune command message is selectively sent to desired groups of descramblers at CATV satellite downlinks. The retune command message identifies an alternate satellite feed and a time for which the satellite receiver is to tune to the alternate satellite feed. The receiver stores the retune command, and at the appropriate time retunes the satellite receiver to the identified alternate feed. By command messages received on the alternate feed, the group of blacked out satellite receivers are returned to the original programming channel at the end of the blacked out event.

Abstract: Television signals are converted from a first format to a plurality of different formats while retaining a common control data stream. A first television signal in a first format is separated into a first signal portion carrying television information and a second signal portion carrying control data. The first signal portion is reformatted into a second format. The second signal portion is combined with the reformatted first signal portion to provide a second television signal. In this manner, a plurality of television signals having different formats can be transmitted with common control data, e.g., for controlling access to television programming.

Abstract: Signal encryption apparatus is provided for generating a common key and a distinct key from the same common secret generating key. A generating key is combined with common parameter data to provide a common intermediate key. The common intermediate key is used to produce a common key. The generating key is also combined with distinct parameter data to provide a distinct intermediate key. The distinct intermediate key is used to produce a distinct key. The system has particular applicability to the provision of category and program keys for use in a satellite television scrambling system. The generating key is used to produce the same category key at all uplinks, and different program keys at each uplink.

Abstract: A device for reporting remotely stored data is coupled to a descrambler in an impulse pay-per-view television system for storing and reporting data pertaining to subject matter descrambled by the descrambler, such as identification of each impulse pay-per-view program that is descrambled. The descrambler receives scrambled television programs over a data link from a central station. The reporting device is coupled to the central station by telephone lines for reporting the stored data to the central station. The reporting device includes a memory at the remote location for storing the generated data; and a control unit for causing the stored data to be initially reported in response to the storage of at least a predetermined minimum amount of data.

Abstract: A block-cipher cryptographic device that processes plaintext/encrypted input data with a key signal to provide encrypted/decrypoted output data. Such device includes a shift register for receiving input data; and data processing means for executing the following data processing routine a selected number of cycles to provide output data: processing the contents of said shift register with a key signal to provide initially processed data; initializing a pseudorandom nonlinear sequence generator with the initially processed data; running the pseudorandom nonlinear sequence generator to generate a keystream; segregating portions of the keystream; processing said segregated portions of said keystream with a portion of the data in the shift register to provide a block of processed data; and shifting said block of processed data into the shift register.