John Owen Abt, 71190 Ventana Sierra Dr, Grass Valley, CA 95945
John Abt Phones & Addresses
190 Ventana Sierra Dr, Grass Valley, CA 95945 530-4776655
165 Ponana St, Kihei, HI 96753 808-8910787
Sacramento, CA
Nevada City, CA
Novato, CA
Mentions for John Owen Abt
Publications & IP owners
Us Patents
Synchronized Transmission Of Audio And Video Data From A Computer To A Client Via An Interface
US Patent:
7353284, Apr 1, 2008
Filed:
Dec 23, 2003
Appl. No.:
10/746283
Inventors:
Giovanni M. Agnoli - San Mateo CA, US
Andrew Yanowitz - Ben Lomond CA, US
John O. Abt - Grass Valley CA, US
Samuel R. Bowman - Colfax CA, US
James A. Delwiche - Grass Valley CA, US
Jeffrey C. Dillon - Auburn CA, US
Andrew Yanowitz - Ben Lomond CA, US
John O. Abt - Grass Valley CA, US
Samuel R. Bowman - Colfax CA, US
James A. Delwiche - Grass Valley CA, US
Jeffrey C. Dillon - Auburn CA, US
Assignee:
Apple Inc. - Cupertino CA
International Classification:
G06F 15/16
G06F 15/173
G06F 15/173
US Classification:
709233, 709218, 709224, 709232, 709235
Abstract:
A method for controlling data transmission between a computer and a video client via an interface, the method comprising: the computer polling the interface a first time to determine the size of the buffer on the interface; receiving a first buffer size value from the interface; sending a plurality of frames of video and audio data to the buffer on the interface such that a delay period exists between the sending of each frame; the computer polling the interface a second time to determine buffer size after the frames are sent to the interface; receiving a second buffer size value from the interface; and modifying the amount of time between the transmission of frames.
Synthesis Of Vertical Blanking Signal
US Patent:
7668099, Feb 23, 2010
Filed:
Dec 23, 2003
Appl. No.:
10/746284
Inventors:
Giovanni M. Agnoli - San Mateo CA, US
Andrew Yanowitz - Ben Lomond CA, US
John O. Abt - Grass Valley CA, US
Samuel R. Bowman - Colfax CA, US
James A. Delwiche - Grass Valley CA, US
Jeffrey C. Dillon - Auburn CA, US
Andrew Yanowitz - Ben Lomond CA, US
John O. Abt - Grass Valley CA, US
Samuel R. Bowman - Colfax CA, US
James A. Delwiche - Grass Valley CA, US
Jeffrey C. Dillon - Auburn CA, US
Assignee:
Apple Inc. - Cupertino CA
International Classification:
H04J 3/06
US Classification:
370235, 370503, 709232, 709248, 710 29, 710 58, 375354
Abstract:
A method of controlling transmission of data from a computer to a video client via an interface device, comprising: reading a register on the interface device to obtain a value indicating temporal proximity to an occurrence of a vertical blanking interval occurs, the value increased incrementally until a vertical blanking interval occurs, and then being reset; deriving a time value, the time value indicating the occurrence of a vertical blanking interval; sending an interrupt to a processor on the computer at the occurrence of the vertical blanking interval; and invoking code in response to an occurrence of the video blanking interval.
Synchronized Transmission Of Audio And Video Data From A Computer To A Client Via An Interface
US Patent:
7970926, Jun 28, 2011
Filed:
Mar 28, 2008
Appl. No.:
12/079832
Inventors:
Giovanni M. Agnoli - San Mateo CA, US
Andrew Yanowitz - Ben Lomond CA, US
John O. Abt - Grass Valley CA, US
Samuel R. Bowman - Colfax CA, US
James A. Delwiche - Grass Valley CA, US
Jeffrey C. Dillon - Auburn CA, US
Andrew Yanowitz - Ben Lomond CA, US
John O. Abt - Grass Valley CA, US
Samuel R. Bowman - Colfax CA, US
James A. Delwiche - Grass Valley CA, US
Jeffrey C. Dillon - Auburn CA, US
Assignee:
Apple Inc. - Cupertino CA
International Classification:
G06F 15/16
G06F 15/173
G06F 15/173
US Classification:
709233, 709218, 709224, 709232, 709235
Abstract:
A method for controlling data transmission between a computer and a video client via an interface, the method comprising: the computer polling the interface a first time to determine the size of the buffer on the interface; receiving a first buffer size value from the interface; sending a plurality of frames of video and audio data to the buffer on the interface such that a delay period exists between the sending of each frame; the computer polling the interface a second time to determine buffer size after the frames are sent to the interface; receiving a second buffer size value from the interface; and modifying the amount of time between the transmission of frames.
Interface For Sending Synchronized Audio And Video Data
US Patent:
2004025, Dec 16, 2004
Filed:
Dec 23, 2003
Appl. No.:
10/746281
Inventors:
Giovanni Agnoli - San Mateo CA, US
Andrew Yanowitz - Ben Lomond CA, US
John Abt - Grass Valley CA, US
Samuel Bowman - Colfax CA, US
James Delwiche - Grass Valley CA, US
Jeffrey Dillon - Auburn CA, US
Andrew Yanowitz - Ben Lomond CA, US
John Abt - Grass Valley CA, US
Samuel Bowman - Colfax CA, US
James Delwiche - Grass Valley CA, US
Jeffrey Dillon - Auburn CA, US
Assignee:
Apple Computer, Inc.
International Classification:
H04N007/173
H04N007/16
H04N007/16
US Classification:
725/136000, 725/090000
Abstract:
A data stream format for transmission of data frames between a computer and a video client via an interface, the data stream being a plurality of data frames transmitted sequentially, each data frame comprising: a frame header; video data, the video data following the frame header; and audio data, the audio data following the video data.
Synchronized Transmission Of Audio And Video Data From A Computer To A Client Via An Interface
US Patent:
2011025, Oct 20, 2011
Filed:
Jun 27, 2011
Appl. No.:
13/170101
Inventors:
Giovanni M. Agnoli - San Mateo CA, US
Andrew Yanowitz - Ben Lomond CA, US
John O. Abt - Grass Valley CA, US
Samuel R. Bowman - Colfax CA, US
James A. Delwiche - Grass Valley CA, US
Jeffrey C. Dillon - Auburn CA, US
Andrew Yanowitz - Ben Lomond CA, US
John O. Abt - Grass Valley CA, US
Samuel R. Bowman - Colfax CA, US
James A. Delwiche - Grass Valley CA, US
Jeffrey C. Dillon - Auburn CA, US
International Classification:
H04N 7/173
US Classification:
725109
Abstract:
A method for controlling data transmission between a computer and a video client via an interface, the method comprising: the computer polling the interface a first time to determine the size of the buffer on the interface; receiving a first buffer size value from the interface; sending a plurality of frames of video and audio data to the buffer on the interface such that a delay period exists between the sending of each frame; the computer polling the interface a second time to determine buffer size after the frames are sent to the interface; receiving a second buffer size value from the interface; and modifying the amount of time between the transmission of frames.
Adaptive Rounder For Video Signals
US Patent:
4965668, Oct 23, 1990
Filed:
Nov 9, 1989
Appl. No.:
7/433882
Inventors:
John Abt - Nevada City CA
James A. Delwiche - Grass Valley CA
James A. Delwiche - Grass Valley CA
Assignee:
The Grass Valley Group, Inc. - Nevada City CA
International Classification:
H04N 514
H03M 120
H03M 120
US Classification:
358160
Abstract:
An adaptive rounder for avoiding truncation errors for digital video signal has a dither source that is modified by the bits of an integer portion of an input digital signal corresponding to the video signal. A dither signal from the dither source has a number of bits equal to a fractional portion of the input digital signal. The dither signal is added to the input digital signal and the result is truncated to produce an output digital signal having a number of bits equal to the integer portion.
Video Switcher With Independent Processing Of Selected Video Signals
US Patent:
4853784, Aug 1, 1989
Filed:
Feb 19, 1988
Appl. No.:
7/157675
Inventors:
John Abt - Nevada City CA
Ronnie D. Barnett - Nevada City CA
James E. Blecksmith - Nevada City CA
Kevin D. Windrem - Grass Valley CA
Neil R. Olmstead - Nevada City CA
Richard A. Jackson - Nevada City CA
Peter D. Symes - Grass Valley CA
Richard S. Bannister - Grass Valley CA
Thomas A. Grancey - Grass Valley CA
Richard A. Frasier - Grass Valley CA
Ronnie D. Barnett - Nevada City CA
James E. Blecksmith - Nevada City CA
Kevin D. Windrem - Grass Valley CA
Neil R. Olmstead - Nevada City CA
Richard A. Jackson - Nevada City CA
Peter D. Symes - Grass Valley CA
Richard S. Bannister - Grass Valley CA
Thomas A. Grancey - Grass Valley CA
Richard A. Frasier - Grass Valley CA
Assignee:
The Grass Valley Group, Inc. - Grass Valley CA
International Classification:
H04N 5268
H04N 5272
H04N 974
H04N 5272
H04N 974
US Classification:
358181
Abstract:
A video switcher comprises a source selector having a plurality of input terminals for connection to a plurality of video sources respectively, and at least two output terminals. At least two processing channels each have an input terminal connected to an output terminal of the source selector and also have an output terminal. A video combiner has video input terminals connected to the output terminals of the processing channels and is operative to combine the output signals provided by the processing channels in dependence upon priority signals.
Interpolator For Television Special Effects System
US Patent:
4700232, Oct 13, 1987
Filed:
Oct 24, 1986
Appl. No.:
6/922601
Inventors:
John Abt - Nevada City CA
Richard A. Jackson - Nevada City CA
Richard A. Jackson - Nevada City CA
Assignee:
Grass Valley Group, Inc. - Grass Valley CA
International Classification:
H04N 5272
H04N 5262
H04N 5262
US Classification:
358183
Abstract:
A first pair of input data words represent two adjacent pixels on a first line of a first field of a video signal in interlaced format, a second pair of input data words represent two adjacent pixels of a first line of a second field of the video signal, and a third pair of input data words represent two adjacent pixels of a second line of the second field. The first and second lines of the second field are adjacent lines in that field and the first line of the first field is between the first and second lines of the second field. The positions on their respective lines of the pixels represented by the second and third pairs of input data words correspond to the positions on the first line of the first field of the pixels represented by the first pair of input data words. The first, second and third pairs of data words are read from memory, and are processed by interpolating among them to generate an output data word. The relative contributions to the output data word of the three pairs of input data words depend on whether an indication is provided that there is motion in the region of the frame in which the pixels represented by the second pair of input data words appear.
Isbn (Books And Publications)
Advocate And Activist: Memoirs Of An American Communist Lawyer
Author:
John J. Abt
ISBN #:
0252020308
Public records
Vehicle Records
John Abt
Address:
190 Ventana Sierra Dr, Grass Valley, CA 95945
Phone:
530-4776655
VIN:
WDBTJ77H28F234680
Make:
MERCEDES-BENZ
Model:
CLK-CLASS
Year:
2008
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