1
Manfred Albach, Thomas Durbaum: Circuit arrangement for generating a DC-separated output voltage. U S Philips Corporation, Edward W Goodman, September 30, 1997: US05673185 (57 worldwide citation)

A circuit arrangement for generating at least a DC output voltage (at 18, 19) from an at least substantially sine-shaped AC input voltage (at 2, 3) of a first frequency by a first rectifier arrangement (1) to which the AC input voltage can be applied (at 2, 3) and which has a DC output (4, 5) from w ...


2
Manfred Albach, Fritz A Wegener: AC-DC converter triggered by variable frequency pulses. U S Philips Corporation, Robert T Mayer, Bernard Franzblau, January 12, 1988: US04719552 (48 worldwide citation)

A circuit arrangement for producing a direct voltage from a sinusoidal input voltage comprising a filter for suppressing interference voltages, a rectifier, a switched mode power supply part and a pulse generator. The pulse generator produces from the rectified input signal switching pulses for the ...


3
Manfred Albach: Circuit arrangement for forming a direct voltage from a sinusoidal input voltage. U S Philips Corporation, Robert T Mayer, Bernard Franzblau, December 8, 1987: US04712169 (45 worldwide citation)

A circuit arrangement for producing a direct voltage from a sinusoidal input voltage comprising a filter required for suppressing interference voltages, a rectifier, a switched mode power supply part and a pulse generator. The pulse generator produces, from the rectified input signal, switching puls ...


4
Manfred Albach: Power-supply circuit. U S Philips, Bernard Franzblau, April 11, 1989: US04821166 (24 worldwide citation)

A power-supply circuit receives its power from an a.c. source (1) which, in specific time intervals is connected to a power-storage device (6) to feed power thereto. The power supply circuit includes a switch (10) which is periodically actuated by a control circuit (13) to take power from the power- ...


5
Manfred Albach, Ralf Schafer, Hans Peter Stormberg, Armin Wegener: Circuit arrangement for operating high-pressure gas discharge lamps. U S Philips, Bernard Franzblau, March 14, 1989: US04812736 (18 worldwide citation)

A circuit for operating high-pressure gas discharge lamps comprises a full-wave rectifier (2) which is connected to an alternating voltage supply source and supplies an output direct voltage to a combinatorial circuit part comprising a switching transistor (3), a choke coil (4), a fly-wheel diode (5 ...


6
Manfred Albach: Magnetic component. Koninklijke Philips Electronics, December 2, 2003: US06657529 (12 worldwide citation)

The invention relates to a magnetic component having at least two windings electrically connected in series (


7
Manfred Albach, Hubert C Raets: Battery operated power supply with low voltage start circuit. U S Philips Corporation, Bernard Franzblau, October 9, 1990: US04962349 (11 worldwide citation)

A circuit arrangement for feeding a load (3) from a low voltage energy source (1) via a direct-voltage conversion circuit (2). The direct-voltage conversion circuit periodically takes energy from the energy source by means of a main switching element (10) and supplies this energy as an increased sup ...


8
Manfred Albach: Circuit arrangement for producing a direct voltage with reduction of harmonic and high-frequency interferences. U S Philips Corporation, Laurie E Gathman, March 18, 1997: US05612856 (6 worldwide citation)

A description is given of a circuit arrangement for producing at least an output direct voltage (at 18, 19) from an at least significantly sinusoidal input a.c. voltage (at 2, 3) of a first frequency, comprising a first rectifier device (1), to which the input a.c. voltage (at 2, 3) can be applied a ...


9
Manfred Albach, Hubert Raets: Circuit arrangement for supplying a load. U S Philips Corporation, Bernard Franzblau, February 12, 1991: US04992921 (6 worldwide citation)

A circuit arrangement for supplying a load (15) with energy from a power supply mains (1 to 5; 21, 22, 23) conveying at least one alternating voltage (UW; R, S, T) includes a simple network to ensure both a uniform energy supply of the load (15) and a reliable suppression of interference from the lo ...


10
Manfred Albach, Hans Peter Stormberg, Armin F Wegener: Circuit arrangement for the operation of high-pressure gas discharge lamps by means of a pulsatory supply current. U S Philips Corporation, Bernard Franzblau, October 22, 1991: US05059869 (5 worldwide citation)

In a circuit arrangement for the operation of high-pressure gas discharge lamps by means of a pulsatory supply current having a pulse recurrence frequency between 50 and 2000 Hz and a duty cycle between 0.2 and 0.8, a current having a high-frequency between 20 and 200 kHz is superimposed on the curr ...



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