Condenser Connected To Plural Cathodes Or Anodes Patents (Class 315/235)
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Patent number: 8847509Abstract: A charging diode 6 is connected to the capacitor 3 and the anode of a first LED 11, and limits the direction of the charging current. A discharging diode 7 is connected to the capacitor 3 and the cathode of the first LED 11, and limits the direction of the discharging current. A charging path CP is provided which includes the capacitor 3, the charging diode 6, and the charger 5. The capacitor 3 is charged through the charging path CP. A discharging path DP is provided which includes the capacitor 3, the discharging diode 7 and a discharger 4. The capacitor 3 is discharged through the discharging path DP. A transient path TP is provided which does not include the capacitor 3 but includes the first LED 11, the charger 5 and the discharger 4.Type: GrantFiled: May 23, 2012Date of Patent: September 30, 2014Assignee: Nichia CorporationInventors: Harumi Sakuragi, Wataru Ogura, Teruo Watanabe
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Patent number: 8344625Abstract: A plasma lamp apparatus that includes an improved bulb support assembly to increase the lumens per watt output of the apparatus. The bulb support assembly includes a support structure that forms a cavity for receiving the bulb. The bulb is supported within the cavity though a protrusion that extends out from the support structure in a curved manner. By created a curved protrusion, the electric field within the resonating structure of the lamp apparatus is lowered. Lowering the electric field leads to lower resonating frequencies of the resonating structure. In lowering the resonating frequency, the resonating structure is driven to resonate at lower power levels, thereby increasing the lumens per watt output of the lamp apparatus.Type: GrantFiled: June 28, 2010Date of Patent: January 1, 2013Assignee: Topanga Technologies, Inc.Inventors: Frederick M. Espiau, Mehran Matloubian
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Patent number: 8237370Abstract: A lighting device for a display device includes a plurality of light sources, a power source arranged to provide drive power for the light sources, a common electrode arranged to supply the drive power to the plurality of light sources, a plurality of holder electrodes arranged to hold the respective light sources and supply the drive power from the common electrode individually to the respective light sources, and a dielectric portion provided between the common electrode and each of the holder electrodes.Type: GrantFiled: May 24, 2011Date of Patent: August 7, 2012Assignee: Sharp Kabushiki KaishaInventor: Yoshiki Takata
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Patent number: 7615935Abstract: A lighting device for a display device includes a plurality of light sources, a power source arranged to provide drive power for the light sources, a common electrode arranged to supply the drive power to the plurality of light sources, a plurality of holder electrodes arranged to hold the respective light sources and supply the drive power from the common electrode individually to the respective light sources, and a dielectric portion provided between the common electrode and each of the holder electrodes.Type: GrantFiled: May 20, 2008Date of Patent: November 10, 2009Assignee: Sharp Kabushiki KaishaInventor: Yoshiki Takata
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Publication number: 20080191635Abstract: A multi-lamp backlight module integrates the capacitors into a circuit board, and the circuit board is located on the liquid crystal display panel. The backlight module includes a driving unit having a driving transformer, and a backlight unit. The driving transformer provides two output terminals. The backlight unit includes a circuit board and at least one CCFL. The circuit board is located at the liquid crystal display panel. The circuit board has at least one capacitor, and first ends of the capacitors are commonly connected with one output terminal of the driving transformer. The CCFLs are located on a back side of the liquid crystal display panel. First ends of the CCFLs are commonly connected with another output terminal of the driving transformer, and second ends of the CCFLs are respectively connected with the second ends of the capacitors.Type: ApplicationFiled: February 8, 2007Publication date: August 14, 2008Inventors: Chun-Kong Chan, Jeng-Shong Wang
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Patent number: 5636324Abstract: A stereo audio encoding method for encoding left and right original signals to a left and right reproduced signals for suppressing a loss of quality in the reproduced audio signal. The correlation between the right and left channel signals is determined, and the phase of each signal is compared. If the two signals have the same phase, a modified scale factor is calculated based on a power equalization method, but if the two signals are in opposite phase, another modified scale factor is calculated based on an error minimization method. The modified scale factors are used for calculating the reproduced signals.Type: GrantFiled: March 31, 1995Date of Patent: June 3, 1997Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Do-Hui Teh, Ah-Peng Tan
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Patent number: 5059864Abstract: A negative glow discharge lamp, which includes a light transmitting envelope containing a noble gas film material and a pair of electrodes disposed in the envelope. Ballast capacitors are placed within the base of the lamp and preferably within a cavity formed within the wall of the base surrounding a necked-down portion of the envelope.Type: GrantFiled: December 22, 1989Date of Patent: October 22, 1991Assignee: GTE Products CorporationInventors: Andre C. Bouchard, Paul Thibault, Tom Haraden
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Patent number: 4751435Abstract: An improvement in dual beam mode fluorescent lamps in which a capacitive ballast is provided integral with the lamp structure in the form of a cylindrical laminate of metal and insulator coaxial to the lamp's major axis.Type: GrantFiled: December 13, 1984Date of Patent: June 14, 1988Assignees: GTE Laboratories Incorporated, GTE Products CorporationInventors: William J. Roche, Joseph M. Proud, A. Bowman Budinger
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Patent number: 4131826Abstract: An RLC triggering circuit employs an inductance coupled to the trigger electrode of a triggered vacuum gap device. A capacitance and a switch are coupled in series with the inductance. A diode in parallel with the series-coupled capacitance and switch serves to provide a long, unidirectional current pulse to prevent the triggered vacuum gap from chopping current and generating dangerous surge voltages.Type: GrantFiled: August 3, 1977Date of Patent: December 26, 1978Assignee: General Electric CompanyInventor: Lawson P. Harris
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Patent number: 4101804Abstract: The power supply for a traveling wave tube which has a cathode, a grid, a collector and a wave structure is connected between the cathode and a reference potential while first and second capacitors connected to the power supply and interconnected by a current blocking impedance deliver current respectively to the wave structure and the collector when the tube is conducting.Type: GrantFiled: May 23, 1977Date of Patent: July 18, 1978Assignee: Telefonaktiebolaget L M EricssonInventor: Leif Ronny Carlsson