1
Robert A Mueller: Thin-film electrothermal device. Tektronix, John D Winkelman, December 27, 1983: US04423401 (314 worldwide citation)

Thin film multilayer technology is used to build microminiature electromechanical switches having low resistance metal-to-metal contacts and distinct on-off characteristics. The switches, which are electrothermally actuated, are fabricated on conventional hybrid circuit substrates using processes co ...


2
Charles W Jaeger, Donald R Titterington, Hu P Le, Jeffrey J Sopko: Phase change ink composition and phase change ink produced therefrom. Tektronix, John D Winkelman, Jerome S Marger, December 26, 1989: US04889560 (293 worldwide citation)

A phase change ink carrier composition is combined with a compatible colorant to form a phase change ink composition of this invention. A thin film of substantially uniform thickness of that phase change ink carrier composition, and the ink produced therefrom, has a high degree of lightness and chro ...


3
Donald R Titterington, Jeffrey J Anderson, James D Rise, Wayne Jaeger: Substrates having a light-transmissive phase change ink printed thereon and methods for producing same. Tektronix, Jerome S Marger, John D Winkelman, Robert S Hulse, December 26, 1989: US04889761 (258 worldwide citation)

A method for producing a light-transmissive phase change ink printed substrate is described which comprises providing a substrate, and then printing on at least one surface of the substrate a predetermined pattern of a light-transmissive phase change ink which initially transmits light in a non-rect ...


4
Eugene F Lynch, Guy W Cherry, Mayer D Schwartz: Time warping for video viewing. Tektronix, Francis I Gray, John Smith Hill, John D Winkelman, August 1, 1995: US05438423 (248 worldwide citation)

Time warping for video viewing is achieved by providing a random access dynamic buffer for a video signal from a selected video channel. The video signal is continuously written into the dynamic buffer in a recirculating fashion, and may be read out on a random access basis so that the viewer may co ...


5
James D Rise: Dual roller apparatus for pressure fixing sheet material. Tektronix, John D Winkelman, Ann W Speckman, March 23, 1993: US05195430 (189 worldwide citation)

A fixing and developing apparatus in which sheet material to be treated is passed through a high pressure nip defined by a pair of rollers. At least one of the rollers may have a composite construction. The composite roller includes an elongated tubular shell with a pressure applying external surfac ...


6
Bruce Murdock, Daniel G Teichmer: Touch panel. Tektronix, John D Winkelman, David P Petersen, July 14, 1987: US04680429 (184 worldwide citation)

A touch panel has panel scanning signals selectively applied to the four sides of a touch sensing surface of the panel so as to establish alternating current voltage gradients in desired directions across the touch sensing surface. When the panel is touched, touch currents result and are utilized by ...


7
Philip J Bos, Philip A Johnson Jr: Field sequential color display system using optical retardation. Tektronix, John D Winkelman, Paul S Angello, April 15, 1986: US04582396 (176 worldwide citation)

A field sequential color display system incorporates a color switch which includes a zero to half-wave optical retarder and pleochroic filters to provide an image with high color contrast and resolution over a broad range of display sizes. In a preferred embodiment, a liquid crystal cell which opera ...


8
Robert D Meadows: Touch panel with adaptive noise reduction. Tektronix, John D Winkelman, Mark M Meininger, October 1, 1991: US05053757 (175 worldwide citation)

A touch panel has panel scanning signals selectively applied to the four sides of a touch sensing surface of the panel so as to establish alternating current voltage gradients in desired directions across the touch sensing surface. When the panel is touched, touch signals result and are utilized by ...


9
Philip J Bos: Stereoscopic imaging system with passive viewing apparatus. Tektronix, John D Winkelman, Paul S Angello, January 12, 1988: US04719507 (137 worldwide citation)

A stereoscopic imaging system employs an image encoder that comprises a variable optical retarder which is positioned face-to-face with an image source and an image decoder that comprises only passive optical elements. In a first embodiment, the imaging system (50) uses a single variable optical ret ...


10
R David Meadows, Roger J McCoy: Capacitive touch panel system with randomly modulated position measurement signal. Tektronix, John D Winkelman, Mark M Meininger, May 1, 1990: US04922061 (134 worldwide citation)

A capacitive touch panel system (10) having a faceplate (14) with an electrically conductive layer (20) of a consistent resistivity employs a position measurement apparatus (12) to generate an address signal indicative of a position (46) on the faceplate in contact with a stylus (48). The position m ...