1
Paul A Nysen, Raphael Tobias: Passive universal communicator system. Sprung Horn Kramer & Woods, November 17, 1992: US05164985 (257 worldwide citation)

A communication system includes a base station, called a "Controller" and one or more remote or satellite stations, each called a "Communicator". The controller arbitrates, controls and communicates with the communicators which are in range to receive its transmissions. The communicators receiving a ...


2
Paul A Nysen: Dual mode transmitter/receiver and decoder for RF transponder tags. X Cyte, Milde Hoffberg & Macklin, August 22, 2000: US06107910 (108 worldwide citation)

An enhanced backscatter RF-ID tag reader system and multiprotocol RF tag reader system is provided. In a multiprotocol mode, the system emits a non-stationary interrogation signal, and decodes a phase modulated backscatter signal by detecting a stronger phase component from quadrature phase represen ...


3
Paul A Nysen, Jon L Nagel: End fed flat antenna. X Cyte, Sprung Horn Kramer & Woods, January 26, 1993: US05182570 (92 worldwide citation)

A planar dipole antenna is arranged on a non-conductive substrate having an exposed, planar surface. The antenna includes a first quarter wavelength element having a first end and an opposite second end and a second quarter wavelength element having a third end and an opposite fourth end. The first, ...


4
Joseph L Kelly Jr, Mig A Howard, Paul A Nysen, Colin A Hacking: Surface acoustic wave pipe identification system. Hughes Tool Company, James E Bradley, October 6, 1987: US04698631 (92 worldwide citation)

A drill pipe identification system automatically provides an identification number for each drill pipe as the drill pipe is being lowered into or withdrawn from the well. The system has a SAW identification device which is mounted in a cylindrical cavity which is formed within a tool joint of each s ...


5
Paul A Nysen: Frequency mixing passive transponder. X Cyte, Milde Hoffberg & Macklin, May 9, 2000: US06060815 (89 worldwide citation)

A transponder device, receiving a plurality of waves having differing frequencies, and producing a wave, having a frequency differing from the plurality of received waves, having characteristic modifications, having a mixer, receiving at least two waves and producing a mixed wave having a frequency ...


6
Paul A Nysen: Dual mode transmitter-receiver and decoder for RF transponder tags. X Cyte, Milde & Hoffberg, March 11, 2003: US06531957 (73 worldwide citation)

An enhanced backscatter RF-ID tag reader system and multiprotocol RF tag reader system is provided. In a multiprotocol mode, the system emits a non-stationary interrogation signal, and decodes a phase modulated backscatter signal by detecting a stronger phase component from quadrature phase represen ...


7
Paul A Nysen: Inductive antenna coupling for a surface acoustic wave transponder. X Cyte, Karl F Milde Jr, April 12, 1988: US04737789 (68 worldwide citation)

An arrangement is disclosed for coupling electrical energy into and/or out of a surface acoustic wave (SAW) device, such as a transponder. The SAW device has two input/output terminals electrically connected to at least one transducer for converting between electrical energy and SAW energy. Such tra ...


8
Paul A Nysen, Halvor Skeie, Donald Armstrong: System for interrogating a passive transponder carrying phase-encoded information. X Cyte, Karl F Milde Jr, February 16, 1988: US04725841 (67 worldwide citation)

A "passive interrogator label system" (PILS) comprises an interrogator for transmitting an interrogation signal, one or more "labels" or passive transponders which produce a reply signal containing coded information in response to the interrogation signal, and a receiver and decoder for receiving th ...


9
Paul A Nysen: Universal communication system. Lanen Holdings, Sprung Horn Kramer & Woods, October 12, 1993: US05252979 (66 worldwide citation)

A communication system for use in an area having a human environment delimited from below by a floor and from above by an overhead environment substantially clear of human presence. The communication system includes a first information source operative to independently generate first information; a ...


10
Paul A Nysen: Patch antenna with a strip line feed element. X Cyte, Karl F Milde Jr, February 9, 1988: US04724443 (56 worldwide citation)

A patch-type antenna is disclosed for radiating electromagnetic radiation in the microwave band. The antenna comprises first and second electrically conductive plates which are supported in spaced-apart parallel relationship. The first plate serves as a ground plane, whereas the second plate forms a ...