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Kees Schouhamer Immink
Josephus A H M Kahlman, Kornelis A Schouhamer Immink: Device for recording a digital information signal on a record carrier. U S Philips Corporation, Leroy Eason, August 18, 1992: US05140474 (12 worldwide citation)

In a run length limited digital signal of the d,k type, (d+m)-bit digital words are inserted at specific instants in the data stream in a manner such that the signal thus obtained is a run length limited signal of the d,k' type, where k' is greater than or equal to k. This signal is then encoded in ...


2
Willem F Druyvesteyn, Abraham Hoogendoorn, Leon M Van De Kerkhof, Raymond N J Veldhuis: Coder for incorporating an auxiliary information signal in a digital audio signal, decoder for recovering such signals from the combined signal, and record carrier having such combined signal recorded thereon. U S Philips Corporation, Leroy Eason, November 3, 1992: US05161210 (254 worldwide citation)

The audio signal is divided into frequency sub-bands, the sub-band samples are quantized according to a predetermined quantizing criterion, and the quantized samples in one or more sub-bands are summed with samples of the auxiliary signal in such sub-bands, the auxiliary signal sample in a sub-band ...


3
Kofi A A Makinwa, Theunis S Baller: Data processing device comprising a touch screen and a force sensor. U S Philips Corporation, Leroy Eason, April 23, 1996: US05510813 (198 worldwide citation)

A data processing device comprises a touch screen with a touch position sensor. The position sensor is suitable to detect a touch position on the screen from a change in a current pattern in a conductive panel. The device also comprises a touch force sensor provided with a second conductive panel wh ...


4
Americo Brajal, Antoine Chouly: Multicarrier frequency hopping communications system. U S Philips Corporation, Leroy Eason, August 20, 1996: US05548582 (195 worldwide citation)

A multicarrier frequency hopping spread spectrum communications system wherein a transmitting station assigns encoded data symbols to particular ones of a predetermined series of fixed carrier frequencies, the frequency assignments being periodically mixed according to a frequency hopping code, and ...


5
Theodore James Letavic, Manjin Jerome Kim: Microwave monolithic integrated circuit with coplaner waveguide having silicon-on-insulator composite substrate. Philips Electronics North America, Leroy Eason, November 16, 1999: US05986331 (154 worldwide citation)

A microwave monolithic integrated circuit includes a coplanar waveguide (CPW) formed by a composite silicon structure constituted by a relatively high resistivity substrate, a first oxide layer on the upper surface thereof, a relatively thin silicon layer formed on the surface of the first oxide lay ...


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Theunis S Baller, Kofi A A Makinwa, R emy Polaert, Antonius J M Hafkamp, Gerardus J K M Koolen, Arne L Duwaer: Force activated touch screen measuring deformation of the front panel. U S Philips Corporation, Leroy Eason, July 30, 1996: US05541372 (145 worldwide citation)

A touch screen device includes a panel; a sensor coupled to the panel for detection of a force applied to the panel and a data processor coupled to the sensor for processing data transmitted by the sensor upon detection of the force. The sensor is provided to be co-deformable with the panel for dete ...


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Constant P M J Baggen, Lodewijk B Vries deceased: Method and apparatus for decoding code words protected wordwise by a non-binary BCH code from one or more symbol errors. U S Philips Corporation, Leroy Eason, March 22, 1994: US05297153 (139 worldwide citation)

A method and apparatus for decoding code words which are error protected by a non-binary BCH-code against at least one symbol error. Upon reception of an input code word a syndrome information thereof is generated under control of code defining information. From the syndrome information, a key equat ...


8
Roger P J Alexis: Method and apparatus for selecting a free channel in a mobile radio system. U S Philips, Jack E Haken, Leroy Eason, November 8, 1988: US04783780 (132 worldwide citation)

In a mobile radio system, a method and apparatus for enabling a mobile station (M) to select a free duplex communication channel for communication with a fixed station (F). The fixed stations in the system detect duplex channels which are engaged in their rising paths and transmit a list of such eng ...


9
Georges Bonnerot, Christophe Lerouge: Apparatus for controlling transmission power over a digital radio communication channel. Telecommunications Radioelectriques et Telephoniques T R T, Thomas A Briody, Leroy Eason, October 11, 1988: US04777653 (127 worldwide citation)

Apparatus for controlling the transmission power of a transmitting station over a digital radio communication channel, based on information relating to the level of the signal received at a receiving station and information relating to the quality of such received signal relative to a predetermined ...


10
Christopher B Marshall: Signal transmission system and a transmitter and a receiver for use in the system. U S Philips, Thomas A Briody, Leroy Eason, August 30, 1988: US04768187 (121 worldwide citation)

A signal channel system which is particularly suitable for the employment of direct conversion receivers has a block of adjacent transmission frequency bands allocated to it. Each signal channel is split into two sub-channels or parts occupying mutually different frequency bands for transmission and ...