1
Jacob Dijkstra, Wilhelmus Ettes, Schelte Heeringa, Petrus Johannes Bremer: Variable light-level production using different dimming modes for different light-output ranges. Koninklijke Philips Electronics, July 16, 2013: US08487540 (16 worldwide citation)

A wake-up lighting device is described, comprising a gas discharge lamp (10) and a lamp driver (1; 2) comprising a power source (100) capable of generating spaced-apart current bursts (51) of alternating lamp current (I). The wake-up lighting device is capable of operating in an off-mode in which no ...


2
Roel Van Woudenberg, Petrus Johannes Bremer: Driving circuit for driving a plurality of light sources arranged in a series configuration. Koninklijke Philips Electronics, Mark L Beloborodov, January 1, 2013: US08344633 (4 worldwide citation)

A driving circuit (10) for driving a plurality of light sources (1) arranged in a series configuration (2) is described. A controllable current source (20) is connected to said series arrangement of light sources. Each light source (1(i)) is bridged by a corresponding controllable switch (25(i)). A ...


3
Henricus Marie Peeters, Roel Van Woudenberg, Petrus Johannes Bremer: Driving light emitting diodes. Koninklijke Philips Electronics, Mark L Beloborodov, June 19, 2012: US08203284 (1 worldwide citation)

Disclosed is a driver that includes a main power supply that has outputs coupled across a string of light emitting diodes to supply a main current. A secondary power supply is coupled to a junction between successive light emitting diodes in the string to supply or withdraw a delta current from the ...


4
Oscar Hendrikus Willemsen, Eberhard Waffenschmidt, Petrus Johannes Bremer: Electronic device having a base part including a soft magnetic layer. Koninklijke Philips, Mark L Beloborodov, January 21, 2014: US08633792 (1 worldwide citation)

An electronic device (1) is provided with at least a base part (2, 22, 32, 42) and an electronic module (3). The base part (2, 22, 32, 42) comprises a soft magnetic layer (5, 25, 35, 45) and at least a primary coil (7). The electronic module (3) comprises at least one electronic element and at least ...


5
Bianca Maria Irma Van Der Zande, Petrus Johannes Bremer, Allard Feije Boer, Bram Michiel Hendrikus Geenen: Luminaire and method for controlling a luminaire. KONINKLIJKE PHILIPS, Meenakshy Chakravorty, January 26, 2016: US09243764

The present invention refers to a luminaire comprising a plurality of directed light sources arranged in a surface of a three-dimensional body and a controller for controlling the operational state of the luminaire. The controller comprises a three-dimensional touch-sensitive surface. Each point on ...


6
Maarten Marinus Johannes Wilhelmus Van Herpen, Petrus Johannes Bremer, Coen Theodorus Hubertus Fransiscus Liedenbaum: Light output device. Koninklijke Philips Electronics, Mark L Beloborodov, August 14, 2012: US08242717

A light output device comprises a substrate arrangement comprising a plurality of light source circuits integrated into the structure of the substrate arrangement. Each light source circuit comprises a light source device arrangement (4) having two terminals and a transistor circuit (7). Each light ...


7
Dirk Hente, Joseph Hendrik Anna Maria Jacobs, Elena Tiziana Ferrari, Ramon Rascal Van Gorkom, Petrus Johannes Bremer, Bertrand Johan Edward Hontele, Robert Cornelis Houtepen, Joris Jan Vrehen: Inductive power supply system. KONINKLIJKE PHILIPS, Larry Liberchuk, March 27, 2018: US09929598

A power supplying device is provided for providing electrical power to a power receiving device, the power supplying device comprising two plates, two electrode structures being arranged to be coupled to an AC power source and at least one power transmitter. Each electrode structure is attached to o ...


8
Dirk Hente, Joseph Hendrik Anna Maria Jacobs, Elena Tiziana Ferrari, Ramon Rascal Van Gorkom, Petrus Johannes Bremer, Bertrand Johan Edward Hontele, Robert Cornelis Houtepen, Joris Jan Vrehen: Inductive power supply system. KONINKLIJKE PHILIPS, Larry Liberchuk, September 29, 2015: US09147523

A power supplying device (20) is provided for providing electrical power to a power receiving device (30), the power supplying device (20) comprising two plates (22), two electrode structures (23, 43, 81, 82) being arranged to be coupled to an AC power source (41) and at least one power transmitter ...


9
Henricus Marie Peeters, Roel Van Woudenberg, Petrus Johannes Bremer: Driving light emitting diodes. Koninklijke Philips Electronics, Philips Intellectual Property & Standards, April 29, 2010: US20100102732-A1

The present invention relates to a driver for a string (STi) of series arranged light emitting diodes (D1i, D2i, D3i) of which at least two emit light having different spectra. The driver comprises a main power supply (PAi) which has outputs coupled across the string (STi) to supply a main current ( ...


10
Petrus Johannes Bremer, Wilhelmus David Ettes, Alexander Christaan De Rijck: Method and device for driving a lamp. Koninklijke Philips Electronics, Philips Intellectual Property & Standards, August 20, 2009: US20090206768-A1

A method is described for driving a lamp with a periodic signal (L) having a frame period (t13−t11), the periodic signal (L) being a block-shaped signal during an ON-interval (t11 to t12) of said frame period and being zero during an OFF-interval (t12 to t13) of said frame period. Said block-shaped ...