US Patent No: 8,193,814
Number of patents in Portfolio can not be more than 2000
Identifying a fluorescent lamp among multiple fluorescent lamps
Stats
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Jun 5, 2012
Issued date -
Oct 10, 2008
filing date -
12/249,647
serial no -
In Force
status
Importance
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Abstract
Methods to identify a fluorescent lamp among multiple fluorescent lamps include: receiving input to a circuit including multiple fluorescent lamps operated by corresponding multiple control signals, each fluorescent lamp configured to output radio frequency (RF) signals in response to receiving a detection signal, the input to identify which first control signal is provided to a first fluorescent lamp; in response to receiving the input, providing a first discovery signal in place of each control signal provided to each fluorescent lamp, one fluorescent lamp at a time; determining that the first fluorescent lamp outputs RF signals; and identifying the control signal that was replaced with the detection signal that caused the first fluorescent lamp to output the RF signals.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 2008/0284,352 Control of Delivery of Current Through One or More Discharge Lamps | 8 | 2008 | |
| 2008/0284,442 Control of Delivery of Current Through One or More Discharge Lamps | 8 | 2008 | |
| 7,834,558 Control of delivery of current through one or more discharge lamps | 4 | 2008 | |
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| 7,061,189 Electronic ballast | 24 | 2004 | |
| 2007/0188,111 Electronic ballast having adaptive frequency shifting | 16 | 2006 | |
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| 6,708,125 Procedure for the determination of the consumption of electrical energy | 6 | 2001 | |
| 2007/0103,093 SYSTEMS AND METHODS FOR BACKLIGHT DRIVING | 13 | 2006 | |
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| 5,721,689 System and method for phasor estimation and frequency tracking in digital protection systems | 16 | 1995 | |
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| 6,486,615 Dimming control of electronic ballasts | 21 | 1998 | |
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| 7,589,480 High intensity discharge lamp ballast | 11 | 2006 | |
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| 2009/0096,391 Control of Delivery of Current Through One or More Discharge Lamps | 6 | 2008 | |
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| 6,876,157 Lamp inverter with pre-regulator | 54 | 2003 | |
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| 6,046,551 Device for controlling lighting of discharge lamp and H-bridge circuit for use in such a device | 25 | 1998 | |
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| 5,434,479 Full-bridge inverter for discharge lamp lighting device with varied transistor zero voltage period | 24 | 1993 | |
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| 4,709,339 Electrical power line parameter measurement apparatus and systems, including compact, line-mounted modules | 129 | 1986 | |
| 2003/0122,605 Current limiting circuit | 13 | 2002 | |
Patent Citation Ranking
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