1
Schoot Cornelis Johannes, Ponjee Johannes Jacobus: Image display apparatus. US Philips Corporation, Spain Norman N, Trifari Frank R, April 23, 1974: US3806229 (196 worldwide citation)

The invention relates to an image display apparatus provided with at least two electrodes to which a direct voltage or a square-wave or alternating voltage may be applied. The electrodes are in contact with a solution of a reversible reducible organic substance of the formula I and an adjuvant. Suit ...


2
French Richard Charles: Privacy transmission system. US Philips Corporation, Trifari Frank R, Cohen Simon L, July 16, 1974: US3824467 (107 worldwide citation)

A selector switching system and a number of memory devices, each capable of storing one time element of a voice transmission signal and simultaneously releasing a stored time element, which form an encoder and decoder for a transmission system, where a voice transmission signal is divided into conse ...


3
Bouwhuis Gijsbertus: Apparatus for reading a flat record carrier. US Philips Corporation, Trifari Frank R, Cohen Simon L, April 8, 1975: US3876842 (76 worldwide citation)

An apparatus for reading a flat record carrier on which information is recorded in at least one track which has an optical structure is described. By projecting onto the plane of the track part to be read three spots of radiation the dimensions of which correspond to the smallest detail in the optic ...


4
Bouwhuis Gijsbertus: Video disc recording and optical playback system therefor. US Philips Corporation, Trifari Frank R, Cohen Simon L, December 17, 1974: US3855426 (66 worldwide citation)

A disc-shaped information carrier is described which contains spirally arranged image and/or sound signals coded in optical form. By recording the information in at least two spiral information tracks which may be separately read the total amount of untilizable information may be increased by a fact ...


5
Schmidt Ernst Machiel, Post Hendrik Alle: Device and holder therefor for inserting a hollow coupling member into bone marrow. US Philips Corporation, Trifari Frank R, June 11, 1974: US3815605 (63 worldwide citation)

The invention relates to a device for inserting a hollow coupling member into the bone marrow of man or animals. Fluid may be supplied to the bone marrow through the inserted coupling member. The device according to the invention comprises an assembly of a striker-pin holder, a striker pin and a cou ...


6
Rioult Jean Pierre: Method of providing internal connections in a semiconductor device. US Philips Corporation, Trifari Frank R, January 22, 1974: US3787822 (60 worldwide citation)

Method of providing interconnection in a monolithic planar semiconductor device, comprising forming first conductor pattern connected to circuit element, providing apertured insulating layer thereover, providing a dielectric oxide layer at first pattern portion exposed through insulating layer apert ...


7
Saraga Peter, Wavish Peter Roy: Method of character recognition by linear traverse employing shifted edge lines. US Philips Corporation, Trifari Frank R, August 12, 1975: US3899771 (60 worldwide citation)

A method of recognizing characters of varying stroke width by linear traverse is disclosed. A character is stored in a matrix of electrical storage cells with character cell positions distinguished from background cell positions by the presence of digital signals. A stored character is examined by u ...


8
Van Dam Hendrik Tajapko, Ponjee Johannes Jacobus, Schoot Cornelis Johannes: Image display cell. US Philips Corporation, Trifari Frank R, Spain Norman N, December 17, 1974: US3854794 (54 worldwide citation)

An image display cell having a transparent wall portion, electrodes and an oxidizable redox substance and a reducible redox substance in an electrochemically inert liquid in contact with electrodes. The cell includes at least two electrodes which are in contact with a cell liquid in which a colourle ...


9
Janssen Peter Johannes Michiel: Servo system for reading from a disc-shaped record carrier containing signals coded in optical form. US Philips Corporation, Trifari Frank R, Cohen Simon L, December 10, 1974: US3854015 (51 worldwide citation)

Apparatus for reading a disc-shaped record carrier in which video and/or audio information is recorded in a preferably spiral track. This information is optically read by means of a beam of radiation which via a reflecting element transmits the information present in the scanned point of the record ...


10
Guidoux Loic Bernard Yves: Automatic equalizing arrangement for a data transmission channel. Telecommunications Radioelectriques et Telephoniques TRT, Trifari Frank R, Cohen Simon L, February 25, 1975: US3868603 (50 worldwide citation)

An automatic adaptive equalizing arrangement for data transmission channels, including a non-recursive section in the form of an adjustable transversal filter arranged between output of the transmission channel and input of the decision circuit and also a recursive section, if any, in the form of an ...