Patents by Inventor Albert W. Wegener

Albert W. Wegener has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7478384
    Abstract: Multiple copies of a software or operating parameter change are broadcast using a wireless signal to a mobile electronic device. Broadcasting multiple copies increases the probability that the mobile electronic device will receive the change without error. The number of copies broadcast is a function of the expected probability that the device will receive one copy without error and a desired probability that the device will receive the change without error.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: January 13, 2009
    Assignee: Command Audio Corporation
    Inventors: Edward J. Costello, Albert W. Wegener, Serge Swerdlow, Jonathan Voichick, Thomas M. Linden
  • Patent number: 7477999
    Abstract: A compressor for waveforms having at least two waveform states separates the waveform samples into waveform state sample vectors for each waveform state. Waveform state encoders encode the waveform state sample vectors separately to provide compressed waveform data. The waveform state encoder selects waveform state pattern vector and associated codes to represent the waveform state sample vectors. The differences between samples of the waveform state sample vector and waveform state pattern vector are calculated and encoded. Encoding can be lossless or lossy. The waveform state pattern vectors and other parameters for compression are determined during a training period. The waveform state encoders detect features in the waveform state sample vectors and waveform state pattern vectors that are useful for common oscilloscope measurements. Typical waveform states include level states and edge states.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: January 13, 2009
    Assignee: Samplify Systems, Inc.
    Inventor: Albert W. Wegener
  • Publication number: 20080243408
    Abstract: A compressor for waveforms having at least two waveform states separates the waveform samples into waveform state sample vectors for each waveform state. Waveform state encoders encode the waveform state sample vectors separately to provide compressed waveform data. The waveform state encoder selects waveform state pattern vector and associated codes to represent the waveform state sample vectors. The differences between samples of the waveform state sample vector and waveform state pattern vector are calculated and encoded. Encoding can be lossless or lossy. The waveform state pattern vectors and other parameters for compression are determined during a training period. The waveform state encoders detect features in the waveform state sample vectors and waveform state pattern vectors that are useful for common oscilloscope measurements. Typical waveform states include level states and edge states.
    Type: Application
    Filed: June 6, 2008
    Publication date: October 2, 2008
    Applicant: Samplify Systems, Inc.
    Inventor: ALBERT W. WEGENER
  • Patent number: 7394410
    Abstract: An enhancement that reduces the digital interface rate of analog-to-digital (A/D) and digital-to-analog (D/A) converters through the use of compression and decompression is described. Improved A/D converters compressing a sampled version of an A/D converter's analog input signal in real time, thereby significantly decreasing the required bit rate of the A/D converter's digital interface. Similarly, improved D/A converters decrease the required bit rate of the D/A converter's digital interface. D/A converters include a decompressor that decompresses the D/A converter's compressed digital input in real time, prior to conversion to an analog output signal.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: July 1, 2008
    Assignee: Samplify Systems, Inc.
    Inventor: Albert W. Wegener
  • Publication number: 20080126903
    Abstract: An automated test system for a device under test (DUT) compresses the stimulus waveform before transferring it to a storage device or over a data transfer interface. The compressed stimulus waveform data are decompressed, and if required converted to analog form, then applied as a stimulus to the DUT. In response, the DUT produces a response waveform. The response waveform is compressed before transferring it to a storage device or over a data transfer interface. If the response waveform is analog, it is converted to digital before compression. The compressed waveform is decompressed for further analysis or display by a host computer. Features of the response waveform can be calculated from the compressed or uncompressed waveform data. Several configurations that include compression and decompression of stimulus and/or response waveforms in test systems are described.
    Type: Application
    Filed: July 11, 2007
    Publication date: May 29, 2008
    Applicant: SAMPLIFY SYSTEMS, INC.
    Inventor: Albert W. Wegener
  • Publication number: 20080123731
    Abstract: In a frequency analysis system, such as a signal detection system or a spectrum analyzer, the frequency domain resolution is enhanced by compression and decompression of the signal samples. The limited capacity of the data storage and/or data transfer resources limit the number of samples that can be stored or transferred. A compressor forms a compressed signal prior to data transfer or storage. A decompressor decompresses the compressed signal prior to transformation to the frequency domain, by a fast Fourier transform or other frequency domain transform. The frequency domain resolution is enhanced because more decompressed samples are available for the frequency domain transform. The compressor and decompressor apply computationally efficient algorithms that can be implemented to operate in real time.
    Type: Application
    Filed: April 13, 2007
    Publication date: May 29, 2008
    Applicant: SAMPLIFY SYSTEMS, INC.
    Inventor: Albert W. Wegener
  • Publication number: 20080103711
    Abstract: A compressor for waveforms having at least two waveform states separates the waveform samples into waveform state sample vectors for each waveform state. Waveform state encoders encode the waveform state sample vectors separately to provide compressed waveform data. The waveform state encoder selects waveform state pattern vector and associated codes to represent the waveform state sample vectors. The differences between samples of the waveform state sample vector and waveform state pattern vector are calculated and encoded. Encoding can be lossless or lossy. The waveform state pattern vectors and other parameters for compression are determined during a training period. The waveform state encoders detect features in the waveform state sample vectors and waveform state pattern vectors that are useful for common oscilloscope measurements. Typical waveform states include level states and edge states.
    Type: Application
    Filed: August 1, 2007
    Publication date: May 1, 2008
    Applicant: Samplify Systems, Inc.
    Inventor: Albert W. Wegener
  • Publication number: 20080103710
    Abstract: A compressor for waveforms having at least two waveform states separates the waveform samples into waveform state sample vectors for each waveform state. Waveform state encoders encode the waveform state sample vectors separately to provide compressed waveform data. The waveform state encoder selects waveform state pattern vector and associated codes to represent the waveform state sample vectors. The differences between samples of the waveform state sample vector and waveform state pattern vector are calculated and encoded. Encoding can be lossless or lossy. The waveform state pattern vectors and other parameters for compression are determined during a training period. The waveform state encoders detect features in the waveform state sample vectors and waveform state pattern vectors that are useful for common oscilloscope measurements. Typical waveform states include level states and edge states.
    Type: Application
    Filed: October 26, 2006
    Publication date: May 1, 2008
    Applicant: SAMPLIFY SYSTEMS, INC.
    Inventor: Albert W. Wegener
  • Publication number: 20080018502
    Abstract: Compression of signal samples output from a parallel, time-interleaved analog to digital converter (TIADC) for a baseband signal, includes calculating first or higher order differences of consecutive signal samples followed by lossless or lossy encoding of the difference samples to produce compressed samples. Compression of a TIADC output signal with a nonzero center frequency, includes calculating sums or differences of pairs of signal samples separated by an appropriate number of sampling intervals followed by lossless or lossy encoding. The sums or differences of the signal samples have lower magnitudes than the original samples, allowing more efficient compression. Lossy compression alternatives produce compressed data with a fixed bit rate or with a fixed quality in the decompressed samples.
    Type: Application
    Filed: July 20, 2006
    Publication date: January 24, 2008
    Applicant: SAMPLIFY SYSTEMS LLC
    Inventor: Albert W. Wegener
  • Patent number: 7292164
    Abstract: An enhancement that reduces the digital interface rate of analog-to-digital (A/D) and digital-to-analog (D/A) converters through the use of compression and decompression is described. Improved A/D converters compressing a sampled version of an A/D converter's analog input signal in real time, thereby significantly decreasing the required bit rate of the A/D converter's digital interface. Similarly, improved D/A converters decrease the required bit rate of the D/A converter's digital interface. D/A converters include a decompressor that decompresses the D/A converter's compressed digital input in real time, prior to conversion to an analog output signal.
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: November 6, 2007
    Assignee: Samplify Systems, Inc.
    Inventor: Albert W. Wegener
  • Patent number: 7009533
    Abstract: An efficient method for compressing sampled analog signals in real time, without loss, or at a user-specified rate or distortion level, is described. The present invention is particularly effective for compressing and decompressing high-speed, bandlimited analog signals that are not appropriately or effectively compressed by prior art speech, audio, image, and video compression algorithms due to various limitations of such prior art compression solutions. The present invention's preprocessor apparatus measures one or more signal parameters and, under program control, appropriately modifies the preprocessor input signal to create one or more preprocessor output signals that are more effectively compressed by a follow-on compressor. In many instances, the follow-on compressor operates most effectively when its input signal is at baseband. The compressor creates a stream of compressed data tokens and compression control parameters that represent the original sampled input signal using fewer bits.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: March 7, 2006
    Assignee: Samplify Systems LLC
    Inventor: Albert W. Wegener
  • Publication number: 20040221284
    Abstract: Multiple copies of a software or operating parameter change are broadcast using a wireless signal to a mobile electronic device. Broadcasting multiple copies increases the probability that the mobile electronic device will receive the change without error. The number of copies broadcast is a function of the expected probability that the device will receive one copy without error and a desired probability that the device will receive the change without error.
    Type: Application
    Filed: May 21, 2004
    Publication date: November 4, 2004
    Inventors: Edward J. Costello, Albert W. Wegener, Serge Swerdlow, Jonathan Voichick, Thomas M. Linden
  • Patent number: 6754894
    Abstract: Multiple copies of a software or operating parameter change are broadcast using a wireless signal to a mobile electronic device. Broadcasting multiple copies increases the probability that the device will receive the change without error.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: June 22, 2004
    Assignee: Command Audio Corporation
    Inventors: Edward J. Costello, Albert W. Wegener, Serge Swerdlow, Jonathan Voichick, Thomas M. Linden
  • Patent number: 6608994
    Abstract: Broadcast programs, e.g., for an audio information program, are divided into one or more segments and are broadcast to a receiver in packet format. The receiver captures the transmitted packets and reassembles the segments and the program for storage and subsequent output to the user. Segment quality of service is evaluated prior to output by ensuring that a minimum percent of packets per segment are usable, and by ensuring that no more than a maximum number of consecutive packets in the segment are unusable. Program quality of service is evaluated by ensuring that a minimum percent of segments per program are usable, and by determining if the first and/or last segment is usable. Different quality of service parameters are specified for particular programs. New quality of service parameters for particular programs are transmitted to the receiver.
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: August 19, 2003
    Assignee: Command Audio Corporation
    Inventors: Albert W. Wegener, Orlando Martinez, Edward J. Costello, Jonathan Voichick, Eric X. Wen, Thomas M. Linden
  • Patent number: 6609097
    Abstract: In a local storage and playback broadcast system, multiple copies of one or more processing parameters used in individual receivers for the local storage and playback are broadcast. In some embodiments each processing parameter is associated with each packet in the program so that a copy of each parameter is broadcast with each packet. In some embodiments the program is divided into segments, each segment having a header, and a copy of the parameter is broadcast in each segment header.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: August 19, 2003
    Assignee: Command Audio Corporation
    Inventors: Edward J. Costello, Albert W. Wegener, Thomas M. Linden, Serge Swerdlow
  • Patent number: 6567660
    Abstract: The quantity of unused channels in a cellular wireless communications system is identified. From program content that is stored in a database, an amount of program content is accessed based on the identified quantity of unused channels. The accessed program content is formatted for broadcast on at least a portion of the unused channels, and the formatted content is then transferred to the cellular wireless communications system for broadcast to mobile receivers. In some embodiments a content transmission schedule is broadcast on one of the unused channels.
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: May 20, 2003
    Assignee: Command Audio Corporation
    Inventor: Albert W. Wegener
  • Publication number: 20030009765
    Abstract: In an on-demand radio broadcast system in which the receivers have the capability to store received programs, a communications channel is divided into a plurality of time segments. Each time segment is partitioned into a high priority program timeslice and a low priority program timeslice. High priority programs are broadcast in each high priority program timeslice. The remaining programs are broadcast during a plurality of low priority program timeslices. This overcomes a problem of the receivers being out of contact and not having current versions of the high priority programs.
    Type: Application
    Filed: June 22, 2001
    Publication date: January 9, 2003
    Inventors: Thomas M. Linden, Donald F. Bogue, Albert W. Wegener, Edward J. Costello, John M. Schoellerman
  • Publication number: 20020184038
    Abstract: In a local storage and playback broadcast system, multiple copies of one or more processing parameters used in individual receivers for the local storage and playback are broadcast. In some embodiments each processing parameter is associated with each packet in the program so that a copy of each parameter is broadcast with each packet. In some embodiments the program is divided into segments, each segment having a header, and a copy of the parameter is broadcast in each segment header.
    Type: Application
    Filed: April 19, 2002
    Publication date: December 5, 2002
    Inventors: Edward J. Costello, Albert W. Wegener, Thomas M. Linden, Serge Swerdlow
  • Patent number: 6490432
    Abstract: Audio and/or video content is remotely stored. A portion of the remotely stored content is transferred to and stored in a mobile on-demand audio and/or video content output device. In addition, a link is transferred to and stored in the mobile output device. The link is associated with the content portion stored in the output device and points to another portion of the remotely stored content that is related to the content portion locally stored on the mobile device. In response to a user command entered on the mobile device, the related portion of the remotely stored content is accessed using a two-way wireless communications system and is transferred from the database to the mobile device for output.
    Type: Grant
    Filed: September 21, 2000
    Date of Patent: December 3, 2002
    Assignee: Command Audio Corporation
    Inventors: Albert W. Wegener, Thomas M. Linden, John Schoellerman, William J. Loewenthal, Donald F. Bogue