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Claus William Mikkelsen, William David Davenport, Michael John Dutch, Cynthia Anne Martinage, Richard Allan Ruehle: Remote data copy using a prospective suspend command. Hitachi Data Systems Corporation, David N Lathrop Esq, Gallagher & Lathrop, March 25, 2003: US06539462 (146 worldwide citation)

In a computer system, the controller of one or more primary data recording devices sends update information to the controller of one or more secondary data recording devices to maintain a remote copy of data stored on the primary data recording devices. The primary controller receives a command from ...


2
Peter Graham Craven, Malcolm James Law, John Robert Stuart: Matrix improvements to lossless encoding and decoding. Dolby Laboratories Licensing, David N Lathrop Esq, Gallagher & Lathrop, August 26, 2003: US06611212 (96 worldwide citation)

In one aspect of the invention, a stream is divided into two substreams, the first substream providing information relating to a ‘downmix’ signal obtained by matrixing and containing fewer channels than an original multichannel digital signal, and the second substream providing additional informatio ...


3
Masahiro Ishida, Takahiro Yamaguchi, Marco Tilgner: Method and device for compressing and expanding data pattern. Advantest Corporation, David N Lathrop Esq, Gallagher & Lathrop, December 9, 2003: US06661839 (92 worldwide citation)

There are provided methods each of which is for efficiently compressing a test pattern to be applied to an IC for testing. The number of data changes &phgr; and a data entropy H of a pattern for each pin of an IC are obtained and then the test pattern is divided and the divided patterns are distribu ...


4
Mitsunori Sato, Tsuyoshi Takiguchi, Naoki Iwao: Tactile switch unit. Japan Aviation Electronics, David N Lathrop Esq, Gallagher & Lathrop, October 5, 2004: US06800819 (84 worldwide citation)

Outer ends of link members supported to a case and having their inner ends coupled to each other are coupled to a slider. A membrane sheet and a pusher are disposed one after the other on the slider, and a knob having molded therewith a surface sheet is fixed to the slider. On a bottom plate are mou ...


5
Louis Dunn Fielder, Stephen Decker Vernon: Scalable coding method for high quality audio. Dolby Laboratories Licensing Corporation, David N Lathrop Esq, Gallagher & Lathrop, September 3, 2002: US06446037 (79 worldwide citation)

Scalable coding of audio into a core layer in response to a desired noise spectrum established according to psychoacoustic principles supports coding augmentation data into augmentation layers in response to various criteria including offset of such desired noise spectrum. Compatible decoding provid ...


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Mani Soma, Takahiro Yamaguchi, Masahiro Ishida, Yasuo Furukawa, Toshifumi Watanabe: Jitter measuring device and method. Advantest Corporation, David N Lathrop Esq, Gallagher & Lathrop, September 21, 2004: US06795496 (63 worldwide citation)

A signal under measurement is transformed into a complex analytic signal using a Hilbert transformer and an instantaneous phase of this analytic signal is estimated. A linear phase is subtracted from the instantaneous phase to obtain a phase noise waveform. The phase noise waveform is sampled in the ...


7
Anil Wamanrao Ubale, Grant Allen Davidson: Quantization in perceptual audio coders with compensation for synthesis filter noise spreading. Dolby Laboratories Licensing Corporation, David N Lathrop Esq, Gallagher & Lathrop, March 26, 2002: US06363338 (56 worldwide citation)

Many perceptual split-band coding systems that use analysis and synthesis filters assume the quantization noise introduced by quantizing split-band signals is substantially the same as the noise that results in the output signal obtained by applying the synthesis filters to the quantized split-band ...


8
Robert Loring Andersen, Michael Mead Truman, Philip Anthony Williams, Stephen Decker Vernon: Audio coding systems and methods using spectral component coupling and spectral component regeneration. Dolby Laboratories Licensing Corporation, David N Lathrop Esq, Gallagher & Lathrop, January 8, 2008: US07318035 (52 worldwide citation)

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 ...


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Tadanao Matsumoto, Naoki Iwao: Depression responsive switch unit. Japan Aviation Electronics, David N Lathrop Esq, Gallagher & Lathrop, March 28, 2006: US07019225 (46 worldwide citation)

A pusher formed of a rubber material, a click plate, a membrane switch which serves as a second step switch, a reinforcing plate, a membrane sheet on which a plurality of first step switches are formed, a key operation base and a knob are sequentially assembled into a case. The knob includes a plura ...