1
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 ...


2
John Thomas Fessler, Keith Bryan Hardin, Mark Stephen Underwood: Systems and methods for determining physical location of RFID tags on embedded print media. Lexmark International, Lexmark International, May 29, 2007: US07223030 (24 worldwide citation)

A printing system (250) includes a printing subsystem (255) in the form of a printer assembly (14). The printing subsystem (255) includes a printer housing (257) in which a print engine (259) resides and a memory (261) for storing data indicating the position of labels on media. The contents of memo ...


3
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 ...


4
John Thomas Fessler, Keith Bryan Hardin, Eric Wayne Westerfield: Printed circuit board having outer power planes. Lexmark International, Coats & Bennett PLLC, March 21, 2006: US07016198 (7 worldwide citation)

A multi-layer printed circuit board (PCB) routes signal traces on internal signal layer(s) and includes power planes on the two outermost layers. The outer layers are maintained at the same non-ground voltage level, and are electrically connected by a series of vias that circumscribe signal traces o ...


5
Keith Bryan Hardin, John Thomas Fessler, Paul Kevin Hall, Brian Lee Nally, Robert Aaron Oglesbee: Z-directed pass-through components for printed circuit boards. Lexmark International, John Victor Pezdek, Justin M Tromp, June 12, 2012: US08198547 (2 worldwide citation)

A Z-directed signal pass-through component for insertion into a printed circuit board while allowing electrical connection from external surface conductors to internal conductive planes or between internal conductive planes. The Z-directed pass-through component is mounted within the thickness of th ...


6
Keith Bryan Hardin, John Thomas Fessler, Paul Kevin Hall, Robert Aaron Oglesbee: Z-directed capacitor components for printed circuit boards. Lexmark International, John Victor Pezdek, Justin M Tromp, June 12, 2012: US08198548 (2 worldwide citation)

A Z-directed capacitor component for insertion into a printed circuit board while allowing electrical connection to internal conductive planes contained within the PCB. In one embodiment the Z-directed capacitor component utilizes semi-cylindrical metallic sheets. In another embodiment, stack annula ...


7
Keith Bryan Hardin, John Thomas Fessler, Paul Kevin Hall, Brian Lee Nally, Robert Lee Oglesbee: Z-directed delay line components for printed circuit boards. Lexmark International, John Victor Pezdek, Justin M Tromp, December 23, 2014: US08916780 (1 worldwide citation)

A Z-directed signal delay line component for insertion into a printed circuit board while allowing electrical connection to internal conductive planes contained with the PCB. In one embodiment the Z-directed delay line component is housed within the thickness of the PCB allowing other components to ...


8
Keith Bryan Hardin, John Thomas Fessler, Paul Kevin Hall, Brian Lee Nally, Robert Aaron Oglesbee: Z-directed pass-through components for printed circuit boards. Lexmark International, John Victor Pezdek, Justin M Tromp, September 9, 2014: US08829358

A Z-directed signal pass-through component for insertion into a printed circuit board while allowing electrical connection from external surface conductors to internal conductive planes or between internal conductive planes. The Z-directed pass-through component is mounted within the thickness of th ...


9
Keith Bryan Hardin, John Thomas Fessler, Paul Kevin Hall, Brian Lee Nally, Robert Aaron Oglesbee: Z-directed delay line components for printed circuit boards. Lexmark International, Justin M Tromp, John Victor Pezdek, May 27, 2014: US08735734

A Z-directed signal delay line component for insertion into a printed circuit board while allowing electrical connection to internal conductive planes contained with the PCB. In one embodiment the Z-directed delay line component is housed within the thickness of the PCB allowing other components to ...


10
Keith Bryan Hardin, Richard Herman Dressman, John Thomas Fessler, Paul Kevin Hall, Brian Lee Naily: Z-directed connector components for printed circuit boards. Lexmark International, John Victor Pezdek, Justin M Tromp, September 25, 2012: US08273996

A Z-directed connector component for insertion into a printed circuit board and providing electrical connections to internal conductive planes contained with the PCB and/or to external conductive traces on the surface of the PCB. In one embodiment the Z-directed component is housed within the thickn ...