1
James R Hendershot: Polyphase switched reluctance motor. Magna Physics Corporation, Leydig Voit & Mayer, May 5, 1992: US05111095 (67 worldwide citation)

A switched reluctance motor driven by a polyphase source includes a stator having a yoke and a plurality of evenly spaced salient poles distributed about the yoke and a rotor mounted for rotation relative to the stator having a plurality of unevenly spaced salient poles. The geometry of the stator a ...


2
James R Hendershot: Polyphase electronically commutated reluctance motor. Pacific Scientific Company, Leydig Voit & Mayer, November 28, 1989: US04883999 (65 worldwide citation)

A motor structure and energization scheme provides a high efficiency electronically commutated reluctance motor that is characterized by less iron losses than conventional switched reluctance motors. Preferably, the motor operates without the reversal of the flow of flux in the member of the motor s ...


3
Clyde J Hancock, James R Hendershot: Electronically commutated reluctance motor. Pacific Scientific Company, Leydig Voit & Mayer, May 14, 1991: US05015903 (54 worldwide citation)

A motor structure and energization scheme provides a high efficiency electronically commutated reluctance motor that is characterized by less iron loss than conventional switched reluctance motors. The motor operates without the reversal of the flow of flux in the stator. Also, the flux switching fr ...


4
James R Hendershot Jr: Polyphase split-phase switched reluctance motor. Tridelta, Leydig Voit & Mayer, July 29, 1997: US05652493 (49 worldwide citation)

A switched reluctance d.c. motor having a plurality stators has been disclosed. Each stator comprises phase windings for energizing a set of stator poles. The stator poles are distributed about the circumference of the stator yoke. Two phases activated in succession are associated with distinct ones ...


5
George D Yarsunas, Michael L Brennan, James R Hendershot: Multiband antenna. Radio Frequency Systems, Peter C Van Der Sluys, January 7, 1992: US05079562 (49 worldwide citation)

A multi-band antenna is adapted to receive signals in the AM/FM bands and to receive and transmit signals in a significantly higher frequency band such as that used for cellular telephone. An AM/FM band antenna is formed of a tubular rod, and a higher frequency band antenna is formed using a centerf ...


6
Clyde J Hancock, James R Hendershot: Method of making an electronically commutated reluctance motor. Pacific Scientific Company, Leydig Voit & Mayer, February 26, 1991: US04995159 (32 worldwide citation)

A Motor structure and energization scheme provides a high efficiency electronically commutated reluctance motor that is characterized by less iron losses than conventional switched reluctance motors. The motor operates without the reversal of the flow of flux in the stator. Also, the flux switching ...


7
Jack Goldberg, Mead C Killion, James R Hendershot: System and method for enhancing speech intelligibility utilizing wireless communication. Etymotic Research, McAndrews Held & Malloy, October 12, 1999: US05966639 (25 worldwide citation)

A system for enhancing speech intelligibility using wireless communication is provided. The system has a number of talker units, each having a microphone and a transmitter so that an audio input received at the microphone is transmitted via the transmitter as an output. The system includes a receive ...


8
Jose Porchia, Brian C Dais, Arnold M Bartz, Francis D Biel, James C Cummins, Gary A Douglass, James R Hendershot, Ralph L McCartney, James R Wigle: Method and apparatus for measuring closure forces and variances therein associated with reclosable thermoplastic zippered bags. Dowbrands, October 13, 1992: US05154086 (21 worldwide citation)

An apparatus and method for measuring the tactility of a zipper of a reclosable thermoplastic zippered bag of the type described in commonly-assigned U.S. Pat. No. 5,070,584, including an opposed pair of mechanical fingers defining a gap therebetween through which the zipper is made to pass, means a ...


9
James R Hendershot: Disguise antenna operating in the cellular band. Western Mobile Communications, Daniel C McKown, February 16, 1988: US04725846 (20 worldwide citation)

The present invention is a high frequency antenna for use in vehicular radio communications which is disguised to resemble a low frequency antenna of the type ordinarily used on vehicles to receive the standard AM-FM broadcast bands. In the preferred embodiment, the antenna consists of three tubular ...


10
James R Hendershot: Call box. Signal Communications Corporation, Daniel C McKown, February 20, 1990: US04903323 (17 worldwide citation)

A communication system having a base station and a number of field units employs a virtual hold technique and a self-testing technique. In the virtual hold technique, when a field unit is put on hold, the communication channel previously used by the field unit is released for use elsewhere in the sy ...



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