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Carl Steven Gifford

from The Villages, FL
Age ~70
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Also known as:
Carl S Gifford, Steve C Gifford, Steven R Gifford, Leone Gifford
Phone and address:
3056 Eastfield Path, Lady Lake, FL 32163
(480) 861-5410
Related to:
Lawrence D Irwin, 64Russell A KahlHorace E Furche, 85Michelle Cosbey, 40Patricia Gifford, 44David G Alexander, 31
Connected to:
Aaron C Gifford, 67Anne O Gifford, 75Ashley D Gifford, 41Bethany P Gifford, 31Bill Gifford, 59Brea A Gifford, 49Bret D Gifford, 61Candis V Gifford, 45Carol S Gifford, 77Chandler B Gifford, 46

Carl Gifford Phones & Addresses

  • 3056 Eastfield Path, The Villages, FL 32163 (480) 861-5410
  • 1012 Crown Key Ave, Gilbert, AZ 85233
  • Sun City, AZ
  • San Diego, CA
  • Arizona City, AZ
  • Daphne, AL
  • Maricopa, AZ
  • Seal Beach, CA

Business Records

Name / Title
Company / Classification
Phones & Addresses
Carl Steven Gifford
Manager, Principal
STARMAN CREATIONS LLC
Nonclassifiable Establishments
1012 S Crown Ky Ct, Gilbert, AZ 85233

Publications

Us Patents

Symbol Synchronizer For Software Defined Communications System Signal Combiner

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US Patent:
6836507, Dec 28, 2004
Filed:
Aug 14, 2000
Appl. No.:
09/639496
Inventors:
Carl Steven Gifford - Gilbert AZ
John Eric Kleider - Scottsdale AZ
Jeffery Scott Chuprun - Scottsdale AZ
Chad S. Bergstrom - Chandler AZ
Assignee:
General Dynamics Decision Systems, Inc. - Scottsdale AZ
International Classification:
H04B 1707
US Classification:
375150, 375152
Abstract:
A symbol synchronizer ( ) is provided for a software-defined communications system ( ). The symbol synchronizer ( ), when integrated into either a pre- or post-detection diversity signal combiner ( ), enables highly accurate signal synchronization with minimal added system complexity. The symbol synchronizer ( ) includes a single complex sliding window matched filter ( ) for filtering an input digital signal with a match filtering function based on predetermined signal transfer function characteristics to average out receiver noise from the signal. A signal delay bank ( ) includes a plurality of delay blocks each for delaying the digital signal filtered by the single matched filter for a predetermined number of samples. A complex correlator ( ) correlates the digital signal filtered by the single complex sliding window matched filter ( ) and delayed by the complex correlator ( ) with a correlator reference signal, and selects an index of a path having a peak correlator value. As a result of such a configuration, the symbol synchronizer ( ) is capable of determining symbol boundaries of channel signals in a multi-channel communications system to enable system signal measurement statistics and demodulated to be more accurately generated.

Symbol Synchronizer For Software Defined Communications System Signal Combiner

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US Patent:
7369631, May 6, 2008
Filed:
Dec 15, 2003
Appl. No.:
10/736128
Inventors:
Carl Steven Gifford - Gilbert AZ, US
John Eric Kleider - Scottsdale AZ, US
Jeffery Scott Chuprun - Scottsdale AZ, US
Chad S. Bergstrom - Chandler AZ, US
Assignee:
General Dynamics C4 Systems, Inc. - Falls Church VA
International Classification:
H03D 1/04
H04B 1/10
US Classification:
375346, 375349
Abstract:
A symbol synchronizer () is provided for a software-defined communications system (). The symbol synchronizer (), when integrated into either a pre- or post-detection diversity signal combiner (), enables highly accurate signal synchronization with minimal added system complexity. The symbol synchronizer () includes a single complex sliding window-matched filter () for filtering an input digital signal with a match filtering function based on predetermined signal transfer function characteristics to average out receiver noise from the signal. A signal delay bank () includes a plurality of delay blocks each for delaying the digital signal filtered by the single matched filter for a predetermined number of samples. A complex correlator () correlates the digital signal filtered by the single complex sliding window matched filter () and delayed by the complex correlator () with a correlator reference signal, and selects an index of a path having a peak correlator value. As a result of such a configuration, the symbol synchronizer () is capable of determining symbol boundaries of channel signals in a multi-channel communications system to enable system signal measurement statistics and demodulated to be more accurately generated.

Communication Channel Tracking Apparatus

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US Patent:
7433434, Oct 7, 2008
Filed:
Oct 1, 2004
Appl. No.:
10/956658
Inventors:
Carl Steven Gifford - Gilbert AZ, US
John Eric Kleider - Atlanta GA, US
Chad Scott Bergstrom - Chandler AZ, US
Jeffery Scott Chuprun - Scottsdale AZ, US
Bruce Alan Fette - Mesa AZ, US
Assignee:
General Dynamics C4 Systems, Inc. - Scottsdale AZ
International Classification:
H04B 1/10
US Classification:
375350, 375349
Abstract:
Apparatus are provided for a communication signal processing apparatus having a channel estimator configured to generate a first channel estimation at a first time point, a linear predictor coupled to the channel estimator, and an adaptive filter coupled with the linear predictor. The linear predictor is configured to predict a second channel estimation based on a second time point and a channel frequency. The second time point is concurrent or subsequent to the first time point. The second channel estimation includes a first coefficient. The linear predictor includes a first predictor having a sample time point. The first predictor is configured to generate the first coefficient of the second channel estimation based on the sample time point and the second time point. The sample time point is prior to the second time point. The adaptive filter is configured to recursively determine the second channel estimation.

Method Of Multiple-Carrier Communication Within A Noncontiguous Wideband Spectrum And Apparatus Therefor

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US Patent:
7672381, Mar 2, 2010
Filed:
Oct 17, 2000
Appl. No.:
09/690993
Inventors:
John Eric Kleider - Scottsdale AZ, US
Bruce Alan Fette - Mesa AZ, US
Jeffrey Scott Chuprun - Scottsdale AZ, US
Carl Steven Gifford - Gilbert AZ, US
Chad S. Bergstrom - Chandler AZ, US
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
H04K 1/10
H04L 27/28
US Classification:
375260, 375222, 375267, 375286, 375316
Abstract:
A method () of orthogonal frequency-division multiplex (OFDM) communication via a plurality of subchannels () within a noncontiguous wideband channel () is provided. The method () determines an SNR for each of the subchannels (). The method () then designates a subchannel () as clear () when its SNR is greater than a least-SNR threshold (), as impeded () when its SNR is less than the least-SNR threshold and greater than an SNR-evaluation threshold, and as obstructed () when its SNR is less than both the least-SNR and the SNR-evaluation thresholds. The method () then transmits OFDM data () so that each of the clear subchannels receives the OFDM data () at a maximum subchannel signal level (), each of the impeded subchannels receives the OFDM data () at an intermediate subchannel signal level (), and each of the obstructed subchannels receives the OFDM data () at zero subchannel signal level ().

Method And Apparatus For Speech Coding Using Ensemble Statistics

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US Patent:
57941858, Aug 11, 1998
Filed:
Jun 14, 1996
Appl. No.:
8/665178
Inventors:
Chad Scott Bergstrom - Chandler AZ
Richard James Pattison - Mesa AZ
Carl Steven Gifford - Gilbert AZ
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
G10L 500
US Classification:
704223
Abstract:
A speech coder (100) computes scalar statistics (180), ensemble statistics (190), spectral parameters (150), and a normalized excitation waveform (270) which describe a frame of speech samples. The coder (100) encodes the statistics (220, 230), spectral parameters (155), and the normalized waveform (290) for later decoding and synthesis. A speech synthesizer (900) decodes the encoded scalar statistics (570), encoded ensemble statistics (560), encoded spectral parameters (490), and encoded normalized excitation waveform (550). The synthesizer (900) then denormalizes (670) the normalized excitation waveform using the scalar statistics and the ensemble statistics, resulting in a decoded excitation waveform. Speech is synthesized (710) from the decoded excitation waveform and the decoded spectral parameters.

Hybrid Analog/Digital Vibration Control System

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US Patent:
58418768, Nov 24, 1998
Filed:
Nov 15, 1996
Appl. No.:
8/749718
Inventors:
Carl S. Gifford - Gilbert AZ
Owen Jones - Alreford Colchester, GB2
Michael Charles John Trinder - East Bereholt, GB2
Assignee:
Noise Cancellation Technologies, Inc. - Linthicum MD
International Classification:
A61F 1106
US Classification:
381 7114
Abstract:
A vibration control system includes a processor-based circuit which monitors and controls an analog vibration control circuit. The system include, a sensor to detect the undesirable vibrations and a synchronous pulse generator for determining the fundamental frequency of the vibrations emitted by the source. An actuator produces anti-noise to counter unwanted vibrations. The processor circuit tests the system, monitors system functions, and adjusts various parameters to provide optimal performance.

Hybrid Analog/Digital Vibration Control

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US Patent:
56490186, Jul 15, 1997
Filed:
Jan 30, 1995
Appl. No.:
8/380789
Inventors:
Carl S. Gifford - Gilbert AZ
Owen Jones - Alreford Colchester, GB2
Michael Charles John Trinder - East Bereholt, Colchester, GB2
Assignee:
Noise Cancellation Technologies, Inc. - Linthicum MD
International Classification:
A61F 1106
H03B 2900
US Classification:
381 7114
Abstract:
A vibration control system includes a processor-based circuit which monitors and controls an analog vibration control circuit. The system includes a sensor to detect the undesirable vibrations and a synchronous pulse generator for determining the fundamental frequency of the vibrations emitted by the source. An actuator produces anti-noise to counter unwanted vibrations. The processor circuit tests the system, monitors system functions, and adjusts various parameters to provide optimal performance.

Method And Apparatus For Speech Excitation Waveform Coding Using Multiple Error Waveforms

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US Patent:
58094598, Sep 15, 1998
Filed:
May 21, 1996
Appl. No.:
8/651172
Inventors:
Chad Scott Bergstrom - Chandler AZ
Carl Steven Gifford - Gilbert AZ
Richard James Pattison - Mesa AZ
Glen Patrick Abousleman - Scottsdale AZ
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
G10L 900
G10L 914
US Classification:
704223
Abstract:
A method and apparatus (100) for pitch-epoch-synchronous source-filter speech encoding by means of error component modeling methods (310) which capture fundamental orthogonal (uncorrelated) basis elements of an excitation source waveform. A periodic waveform model (318) along with four orthogonal error waveforms, desirably including phase error (319), ensemble error (321), standard deviation error (323), and mean error (324) waveforms, are incorporated together to form a complete description of the excitation. These error waveforms (319,321, 323, 324) represent those portions of the excitation that are not represented by the purely periodic model. By thus orthogonalizing the error components, the perceptual effect of each element is isolated from the composite set, and can thus be encoded separately. In addition to high-quality, fixed-rate operation, the identity-system capability and low complexity of the speech encoding method and apparatus make them applicable to variable-rate applications without changing underlying modeling methods.
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Carl Steven Gifford from The Villages, FL, age ~70 Get Report