1

Keith B Hardin, John T Fessler, Donald R Bush, James J Booth:
Spread spectrum clock generator and associated method.
Lexmark International,
Bell Seltzer Park & Gibson,
January 30, 1996:
US05488627
(116 worldwide citation)

A clock circuit includes an oscillator for generating a reference frequency signal, and a spread spectrum clock generator cooperating with the oscillator for generating a spread spectrum clock output signal having a fundamental frequency and reduced amplitude EMI spectral components at harmonics of ...

2

James Ronald Booth, Donald Reid Bush, John Thomas Fessler, Keith Bryan Hardin:
Spread spectrum clock generator and associated method.
Lexmark International,
John A Brady,
February 16, 1999:
US05872807
(54 worldwide citation)

A clock circuit includes an oscillator for generating a reference frequency signal, and a spread spectrum clock generator cooperating with the oscillator for generating a spread spectrum clock output signal having a fundamental frequency and reduced amplitude EMI spectral components at harmonics of ...

3

Hardin Keith B, Fessler John T, Bush Donald Reid, Booth James Ronald:
Spread spectrum clock generator and associated method..
Lexmark Int,
May 31, 1995:
EP0655829-A1
(28 worldwide citation)

A clock circuit includes an oscillator (15) for generating a reference frequency signal, and a spread spectrum clock generator (14) cooperating with the oscillator for generating a spread spectrum clock output signal having a fundamental frequency and reduced amplitude EMI spectral components at har ...

4

James Ronald Booth, Donald Reid Bush, John Thomas Fessler, Keith Bryan Hardin:
Spread spectrum clock generator and associated method.
Lexmark International,
John A Brady,
February 2, 1999:
US05867524
(19 worldwide citation)

A clock circuit includes an oscillator for generating a reference frequency signal, and a spread spectrum clock generator cooperating with the oscillator for generating a spread spectrum clock output signal having a fundamental frequency and reduced amplitude EMI spectral components at harmonics of ...

5

Hardin Keith B, Fessler John T, Bush Donald Reid, Booth James Ronald:
Spread spectrum clock generator and associated method.
Lexmark Int,
January 31, 2001:
EP1073194-A2

A clock circuit includes an oscillator (15) for generating a reference frequency signal, and a spread spectrum clock generator (14) cooperating with the oscillator for generating a spread spectrum clock output signal having a fundamental frequency and reduced amplitude EMI spectral components at har ...

6

Booth James R, Bush Donald R, Fessler John T, Hardin Keith B:
Circuit dhorloge a etalement du spectre et methode, Spread spectrum clock generator and associated method.
Lexmark International, Lexmark International,
SMART & BIGGAR,
June 21, 2005:
CA2131567
A clock circuit includes an oscillator for generating a reference frequency signal, and a spread spectrum clock generator cooperating with the oscillator for generating a spread spectrum clock output signal having a fundamental frequency and reduced amplitude EMI spectral components at harmonics of ...

7

Hardin Keith B, Fessler John T, Bush Donald R, Booth James R:
Spread spectrum clock generator and associated method.
Lexmark Internatl,
September 5, 1995:
JP1995-235862

PURPOSE: To generate clock signals for driving a microprocessor or other digital circuits at a relatively high frequency and to reduce the spectrum amplitude of EMI(electromagnetic interference) components measured for a relatively wide band width. CONSTITUTION: A clock circuit is loaded with an osc ...

8

Hardin Keith B, Fessler John T, Bush Donald R, Booth James R:
Spread spectrum clock generator and associated method.
Lexmark Internatl,
August 17, 2006:
JP2006-217642

PROBLEM TO BE SOLVED: To provide a clock generator and an associated method for generating a clock signal, for driving a microprocessor or other digital circuit at relatively high frequencies, while reducing the spectral amplitude of EMI components as measured over a relatively large bandwidth.SOLUT ...