Title:
照明装置及び照明方法
Document Type and Number:
Japanese Patent JP5735073
Kind Code:
B2
Abstract:
The invention relates to a feed-forward power control apparatus, comprising: a first load that includes at least one first LED-based light source; an energy transfer arrangement and a switch, wherein the energy transfer arrangement is coupled to the first load, and wherein the energy transfer arrangement is configured such that an input current passes through the energy transfer arrangement via operation of the switch; a rectifier configured to be coupled to an A.C. voltage source and to output a rectified voltage waveform, the A.C voltage source being arranged to provide a source of power to the power control apparatus; a controller configured to control the switch; characterized in that the controller is arranged to control the switch in response to an input voltage and/or an input current as well as other control information or data provided to the power control apparatus.
Inventors:
Reese, Iho, A.
Application Number:
JP2013207551A
Publication Date:
June 17, 2015
Filing Date:
October 02, 2013
Export Citation:
Assignee:
Philips Solids-State Lighting Solutions, Inc.
International Classes:
H01L33/00; H02M1/42; H02M3/155; H02M3/156; H02M3/157; H02M3/335; H05B37/02; H05B41/24; H05B44/00
Domestic Patent References:
| JP9074224A | ||||
| JP58057071B1 | ||||
| JP2001119940A | ||||
| JP2003504828A | ||||
| JP2005528733A |
Attorney, Agent or Firm:
Susumu Tsugaru
Fueda Shusen
Fueda Shusen
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