1
Jean Pompei, Francis Pierrot: Polarographic cell. U S Philips Corporation, Frank R Trifari, Norman N Spain, July 11, 1978: US04100048 (263 worldwide citation)

A polarographic cell for measuring partial pressure of oxygen in a fluid in which the detector electrode and the reference electrode are immersed in an electrolyte at least partially absorbed in a rigid insulating material.


2
Wilfred Andre Maria Snijders, Nicolaas Alphonsus Maria Verhoeckx, Petrus Josephus VAN Gerwen, Hendrik Arie VAN Essen: Modulation and filtering device. U S Philips Corporation, Frank R Trifari, Simon L Cohen, January 11, 1977: US04003002 (146 worldwide citation)

A digital data transmitter is described, whose line carrier frequency need not be an integral multiple of one half the clock frequency of the digital input signal. Use is made of a digital filter for increasing the sampling frequency to a value which is twice the modulator carrier wave frequency.


3
Richard B Liebert: Electrophoretic image display having an improved switching time. North American Philips Corporation, Frank R Trifari, Norman N Spain, January 31, 1978: US04071430 (132 worldwide citation)

An electrophoretic visual display device using an electrophoretic suspension with pigment particles in a dielectric suspending liquid and a dye for contrasting color, all enclosed in a unit comprising a transparent electrode spaced from at least one segmented electrode by an insulating member; a mes ...


4
Bernhard Hill, Rudiger Pepperl, Johann Kruger: Optical storage disk system with disk track guide sectors. U S Philips Corporation, Frank R Trifari, Simon L Cohen, June 6, 1978: US04094013 (92 worldwide citation)

A storage disk comprising at least one data track which is composed of spiral-shaped turns or concentrical turns, the data being arranged in the form of data blocks on the turns so that between the data blocks alternately a guide segment or a blank segment is present. The lengths of the unit, measur ...


5
Julian R A Beale: Vehicle power transmission arrangements and electronic power controls. U S Philips Corporation, Frank R Trifari, David R Treacy, August 15, 1978: US04107776 (85 worldwide citation)

An electronically controlled transmission arrangement for an internal combustion engine driven vehicle such as a private automobile, permitting operation under normal conditions close to regions of minimum specific fuel consumption while also permitting bringing an engine in poor operating condition ...


6
Rudiger Pepperl, Johann Kruger, Bernhard Hill: Optical multi-channel digital disc storage system. U S Philips Corporation, Frank R Trifari, Simon L Cohen, June 6, 1978: US04094010 (82 worldwide citation)

An optical storage system for the simultaneous or random storage of digital information in a plurality of channels, comprising a rotating storage disc which is scanned by a light beam. The digital information of each channel is stored in points along a spiral track comprising interruptions. A concen ...


7
Roger Paul White: Electrophoresis display with buried lead lines. North American Philips Corporation, Frank R Trifari, Norman N Spain, January 17, 1978: US04068927 (78 worldwide citation)

A multisegmented electrophoretic display such as a numerical display in which the lead lines are hidden from the observer's view and prevented from having a switching function by separating the lead lines from the electrophoretic suspension by means of an insulating and a conducting layer.


8
Maurice Georges Bellanger, Georges Bonnerot, Michel Coudreuse: Arrangement for processing auxiliary signals in a frequency multiplex transmission system. Telecommunications Radioelectriques et Telephoniques T R T, Frank R Trifari, Henry I Steckler, July 18, 1978: US04101738 (77 worldwide citation)

A circuit for converting into an FDM format spatially separated signalling signals and pilot signals, comprises a digital filter bank for converting the signals into the FDM format. A receiver for separating the signalling signals and pilot signals from the FDM signal comprises another digital filte ...


9
Jean Robert Perilhou: Device for ultrasonic scanning. U S Philips Corporation, Frank R Trifari, Ronald L Drumheller, November 23, 1976: US03992925 (77 worldwide citation)

An ultrasonic examination device comprising two curved converging mirrors, the points of focus of which differ and are separated from each other over a distance equalling the width of the image plane. The device furthermore comprises two pairs of mosaics, formed by transducers, which are mounted bac ...


10
Wolfgang Wagner: Device for measuring local radiation absorption in a body. U S Philips Corporation, Frank R Trifari, November 8, 1977: US04057725 (77 worldwide citation)

A device for measuring the spatial distribution of radiation absorption in a body wherein a multiplicity of radiators are regularly distributed about a circle surrounding the body, each radiator emitting a wedge-shaped beam of radiation in the plane of the circle toward a different arc portion of th ...