1
Stephen H Smith: Communication system. Smith Technology Development, Kenyon & Kenyon, August 7, 2001: US06271790 (148 worldwide citation)

A communications system in which a communications channel is defined at least in part by an electromagnetic wave having a carrier frequency and an electric field vector, the extremity or terminus of which traces a non-linear periodic path at a rotation frequency less than the carrier frequency and g ...


2
Stephen H Smith, Yuval Shenkal: Axial field motor/generator. Advanced Technologies Int, Kenyon & Kenyon, November 9, 1999: US05982074 (53 worldwide citation)

An axial field motor/generator having a rotor that includes at least three annular discs magnetized to provide multiple sector-shaped poles. Each sector has a polarity opposite that of an adjacent sector, and each sector is polarized through the thickness of the disc. The poles of each magnet are al ...


3
Stephen H Smith, Yuval Shenkal: Motor generator including interconnected stators and stator laminations. Smith Technologies Development, Kenyon & Kenyon, December 19, 2000: US06163097 (41 worldwide citation)

An axial field motor/generator having a rotor that includes at least three annular discs magnetized to provide multiple sector-shaped poles. Each sector has a polarity opposite that of an adjacent sector, and each sector is polarized through the thickness of the disc. The poles of each magnet are al ...


4
Robert G Metzner, Stephen H Smith: Hybrid electric vehicle control methods and devices. Califone International, Lyon & Lyon, October 15, 1985: US04547678 (30 worldwide citation)

Disclosed herein are vehicle control devices and methods including a signal processor responsive to a signal proportional to dynamo speed and a second signal proportional to desired torque. The signal processor provides a control signal for suitable armature voltage control means which controls the ...


5
Stephen H Smith: Self-retaining refractor. Tekdyne, January 5, 1993: US05176129 (28 worldwide citation)

A disposable self-retaining skin retractor permits access to interior tissues and includes generally longitudinally extending members moveable respecting one another at a position of connection between, having tip portions remote from the connection position and separating from each other upon relat ...


6
Stephen H Smith, Yuval Shenkal: Axial field electric machine. Smith Technology Development, Kenyon & Kenyon, June 25, 2002: US06411002 (24 worldwide citation)

An axial field electric machine having an improved efficiency includes a number of magnetic elements (e.g., as a rotor) as annular disks magnetized to provide multiple sector-shaped poles. Each sector has a polarity opposite that of an adjacent sector, and each sector is polarized through the thickn ...


7
Stephen H Smith: Coulometer. Hybricon, Lyon & Lyon, April 6, 1982: US04323849 (23 worldwide citation)

An improved coulometer is disclosed wherein a precision amplifier and integrator section provide to a logic section and a detector section a signal representative of charge provided to or from one or more storage batteries. When the integrator output reaches a predetermined threshold, the detector s ...


8
Stephen H Smith, Yuval Shenkal: Method for selectively coupling layers of a stator in a motor/generator. Smith Technology Development, Kenyon & Kenyon, January 30, 2001: US06181048 (17 worldwide citation)

An axial field motor/generator having a rotor that includes at least three annular discs magnetized to provide multiple sector-shaped poles. Each sector has a polarity opposite that of an adjacent sector, and each sector is polarized through the thickness of the disc. The poles of each magnet are al ...


9
Stephen H Smith: Omnidirectional speaker system. TBH Productions, Baker Maxham Jester & Meador, January 2, 1990: US04890689 (13 worldwide citation)

An omnidirectional speaker unit includes a housing having a plurality of twelve identical sides each having a speaker mounted therein and equally spaced around and directed outward from a common point with all speakers connected to operate in unison to provide a spherical dispersal of sound. A prefe ...


10
Stephen H Smith: Post-operative knee rehabilitative dynamometer. Charles N Quinn, July 24, 1990: US04943053 (13 worldwide citation)

A device for measuring changes in human joint strength including an open cell body of light weight, low density polyurethane foam body, an air tight flexible skin sealed about the foam body, the skin including a multilayer vinyl material having an opening to permit passage of air into and out of the ...