1
Van Amesfoort Alfonsus Maria, Fronen Robert Jan, Mccormack James Joseph Antony, Oostveen Kornelis, Schoofs Franciscus Adrianus Co: Selection driver comprising integrated driver circuits for a multi-beam flat display device.. Philips Electronics, November 30, 1994: EP0626670-A1 (16 worldwide citation)

Picture display device comprising a plurality of electron transport ducts for transporting the electrons in the form of electron currents, and selection electrodes for withdrawing each electron current at predetermined locations from its transport duct and for directing said current towards a lumine ...


2
Fronen Robert Jan: Band-gap reference current source with compensation for saturating current spread of bipolar transistor.. Philips Electronics, June 7, 1995: EP0656575-A1 (6 worldwide citation)

A reference current source for generating a reference current (Irf), comprising: a bipolar first transistor (2) and a bipolar second transistor (4), the base of the first transistor (2) being coupled to the base of the second transistor (4); a first resistor (6) connected between the emitter of the ...


3
Fronen Robert Jan: Frequency controlled capacitive power converter. Nxp, Fronen Robert Jan, WILLIAMSON Paul L, November 12, 2009: WO/2009/136369 (6 worldwide citation)

The present invention provides a capacitive power converter for transforming an electric input power (Uo) into an electric output power (Iout). The capacitive power converter (310) includes at least one flying capacitor (311), at least one switching element (312) for periodically charging and discha ...


4
LOOKMAN PAUL ANDREAS ROBERT, FRONEN ROBERT JAN, JIANG ZHENHUA, DE VRIES FENNO CORNELIS JAN: [fr] Lampe électronique éco-énergétique à intensité réglable, [de] Dimmbare energieeffiziente elektronischen Lampe, [en] A dimmable energy-efficient electronic lamp. Rohm, April 24, 2013: EP2584866-A1 (3 worldwide citation)

[en] A dimmable energy-efficient electronic lamp (1) connectable to a mains power supply (2), said lamp (1) comprising a dynamic load circuit (5) adapted to stabilize a phase-cut dimmer (3), and a dynamic load control circuit (6) adapted to deactivate said dynamic load circuit (5) at least partially ...


5
Fronen Robert Jan: Charge pump DC-DC converter. Nxp, Fronen Robert Jan, WILLIAMSON Paul L, November 12, 2009: WO/2009/136368 (2 worldwide citation)

A capacitive voltage converter (700) comprises: an input node (404) for receiving an input voltage (Vin),- an output node (406) for supplying an output voltage (Vout); a reference node (408) for receiving a reference voltage; a plurality of capacitors (410, 412, 414, 416); and switching means (718, ...


6
KOJIMA HIDEKAZU, FRONEN ROBERT JAN: Circuit de décalage de niveau de tension, Spannungspegelverschiebungsschaltung, A voltage level shift circuit. Rohm, December 26, 2012: EP2538560-A1 (1 worldwide citation)

A voltage level shift circuit (4B) for shifting a digital input signal having a narrow amplitude voltage range to a digital output signal having a wide amplitude voltage range comprising counter acting bistable current branches, wherein the output voltage swing of said voltage level shift circuit (4 ...


7
LOOKMAN PAUL ANDREAS ROBERT, FRONEN ROBERT JAN, JIANG ZHENHUA, DE VRIES FENNO CORNELIS JAN: Method and apparatus for dimming a light source, Verfahren und Vorrichtung zum Abdimmen einer Lichtquelle, Procédé et appareil pour atténuer une source lumineuse. Rohm, July 4, 2012: EP2473011-A1

The invention provides an apparatus (1) and a method for dimming a light source (2) which transforms with a transformation curve (TC) adapted to compensate a predetermined eye-sensitivity-curve (ESC) a varying input amplitude dimmer control signal (IADCS) provided by a dimmer (3) into an output ampl ...


8
Fronen Robert Jan, Van Leest Paulus Johannes Caro, Schoofs Franciscus Adrianus Co: Motor control arrangement, and shaver comprising such a motor control arrangement.. Philips Electronics, June 8, 1994: EP0600552-A1

A motor control arrangement comprises a control circuit for controlling the speed of an electric motor (EM), which control circuit comprises a measurement resistor (MR) and a switching transistor (ST) having a control electrode and a main current path coupled in series with the electric motor (EM) a ...


9
Doyle Terence, Fronen Robert Jan, Heijnen Peter Johan, Kuijk Karel Elbert, Mccormack James Joseph Anthony: Picture display device and selection driver and integrated driver circuit for use in such a picture display device. Philips Electronics, Philips Norden, KOOIMAN Josephus Johannes Antonius, October 26, 1995: WO/1995/028668

Picture display device comprising a plurality of electron transport ducts for transporting electrons in the form of electron currents, and selection electrodes for extracting each electron current at predetermined locations from its transport duct and for directing said current towards a luminescent ...


10
Van, Amesfoort Alfonsus Maria, Lambert Nicolaas, Oostveen Kornelis, Fronen Robert Jan: Picture display device. Philips Electronics, Philips Norden, KOOIMAN Josephus J A, August 29, 1996: WO/1996/026514

Picture display device with one or more resonant selection pulse drivers for generating selection pulses for selecting rows of pixels. The resonant selection pulse driver has two driver output electrodes to which selection electrode(s) are connected for simultaneously generating a pulse trailing edg ...