1
Jean Pompei, Francis Pierrot: Polarographic cell. U S Philips Corporation, Frank R Trifari, Norman N Spain, July 11, 1978: US04100048 (239 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 (145 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 (124 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
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 (78 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 ...


6
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 (77 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 ...


7
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 ...


8
Roger Paul White: Electrophoresis display with buried lead lines. North American Philips Corporation, Frank R Trifari, Norman N Spain, January 17, 1978: US04068927 (76 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.


9
Antonius Cornelis Maria Gieles, Gerardus Henricus Johannus Somers: Device for sterilization by transuterine tube coagulation. U S Philips Corporation, Frank R Trifari, November 8, 1977: US04057063 (73 worldwide citation)

A device for sterilizing human females by transuterine fallopian tube coagulation wherein the substantial increase in impedance of the tissues during coagulation is used to signal for termination of treatment.


10
Charles Balas Jr, David Y K Lou, George C Kenney II: Radiation-sensitive record with protected sensitive surface. North American Philips Corporation, Frank R Trifari, Simon L Cohen, February 14, 1978: US04074282 (72 worldwide citation)

A record structure for recording with a radiation beam uses a transparent disc or drum, a coaxial backing disc or drum and two coaxial resilient ring-shaped seals to provide an enclosure between the discs or drums. Radiation-sensitive recording material on the side of the disc or drum within the enc ...



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