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Class Information
Number: 315/71
Name: Electric lamp and discharge devices: systems > Combined load device or load device temperature modifying means and electrical circuit device structure > Load device and impedance
Description: Subject matter having an electric circuit impedance structurally combined with the load device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6948829 |
Light emitting diode (LED) light bulbs |
Sep. 27, 2005 |
| 6841952 |
Electronic stabilizer |
Jan. 11, 2005 |
| 6661177 |
High-pressure discharge lamp with ignition circuit including halogen incandescent lamp |
Dec. 9, 2003 |
| 6635995 |
Fluorescent bulb with impact-absorbing sleeve |
Oct. 21, 2003 |
| 6628082 |
Glow starter for a high pressure discharge lamp |
Sep. 30, 2003 |
| 6566815 |
Reflector high-pressure discharge lamp unit |
May. 20, 2003 |
| 6545416 |
Portable HMI fixture with integral ballast |
Apr. 8, 2003 |
| 6501216 |
Focusing electrode for field emission displays and method |
Dec. 31, 2002 |
| 6472831 |
I.L. timer |
Oct. 29, 2002 |
| 6445144 |
Current surge limiting circuit |
Sep. 3, 2002 |
| 6320317 |
Glass seal resistor composition and resistor spark plugs |
Nov. 20, 2001 |
| 6316878 |
Electric-light bulb |
Nov. 13, 2001 |
| 6300716 |
High-intensity discharge lamp, high-intensity discharge lamp device, high-intensity discharge lamp lighting circuit and lighting system |
Oct. 9, 2001 |
| 6246182 |
Electronic track lighting system |
Jun. 12, 2001 |
| 6208090 |
Reduced voltage and time delay to eliminate filament hot shock |
Mar. 27, 2001 |
| 6172464 |
Compact screw-in fluorescent lamp |
Jan. 9, 2001 |
| 6118222 |
Circuit for complementing an AC mains voltage, particularly for resistive loads |
Sep. 12, 2000 |
| 6111360 |
Fluorescent discharge lamp with overcurrent protection |
Aug. 29, 2000 |
| 6107752 |
Coaxial applicators for electrodeless high intensity discharge lamps |
Aug. 22, 2000 |
| 6107756 |
Low-voltage non-thermionic ballast-free energy-efficient gas-discharge landscape lighting system and method using high-frequency square wave AC driver circuits |
Aug. 22, 2000 |
| 6069447 |
Thermal insulating and impact resistant indicator light apparatus |
May. 30, 2000 |
| 6066921 |
Discharge lamp lighting device |
May. 23, 2000 |
| 5962979 |
Asymmetrical bus capacitors |
Oct. 5, 1999 |
| 5955841 |
Ballast circuit for fluorescent lamp |
Sep. 21, 1999 |
| 5917291 |
Electrodeless fluorescent lamp having an improved phosphor distribution arrangement and a method of making the same |
Jun. 29, 1999 |
| 5889369 |
Incandescent lamp having a lifetime extended by two rectifying diodes and a resistor |
Mar. 30, 1999 |
| 5847512 |
Lamp device and a display apparatus using the same |
Dec. 8, 1998 |
| 5821695 |
Encapsulated explosion-proof pilot light |
Oct. 13, 1998 |
| 5757136 |
Socket and socket housing for an electric lamp particularly for a suspended or pendant lamp |
May. 26, 1998 |
| 5731663 |
Variable power control lamp adapter |
Mar. 24, 1998 |
| 5712526 |
Ballast circuit board mounting arrangement for an integral compact fluorescent lamp |
Jan. 27, 1998 |
| 5703440 |
Compact fluorescent lamp and ballast arrangement with inductor directly between lamp ends |
Dec. 30, 1997 |
| 5656873 |
Transmission line charging |
Aug. 12, 1997 |
| 5629586 |
Compact fluorescent lamp unit having first and second sealed end portions separated by a support member |
May. 13, 1997 |
| 5608289 |
Fluorescent lamp adapter with shell form ballast |
Mar. 4, 1997 |
| 5604406 |
Portable lamp for use with rapid start metal halide bulbs |
Feb. 18, 1997 |
| 5596247 |
Compact dimmable fluorescent lamps with central dimming ring |
Jan. 21, 1997 |
| 5548187 |
Method of flicker-free lighting hot-cathode low-pressure rare gas discharge lamp |
Aug. 20, 1996 |
| 5545951 |
High power strobe lamp |
Aug. 13, 1996 |
| 5510678 |
DC type gas-discharge display panel and gas-discharge display apparatus with employment of the same |
Apr. 23, 1996 |
| 5504395 |
Lamp bulb having integrated RFI suppression and method of restricting RFI to selected level |
Apr. 2, 1996 |
| 5504394 |
Lamp bulb having integrated lighting function control circuitry and method of manufacture |
Apr. 2, 1996 |
| 5455484 |
Adapter for simultaneously powering multiple compact fluorescent lamps utilizing an electronic ballast circuit |
Oct. 3, 1995 |
| 5390096 |
Replacement compact fluorescent lamp assembly |
Feb. 14, 1995 |
| 5381073 |
Capacitively coupled RF fluorescent lamp with RF magnetic enhancement |
Jan. 10, 1995 |
| 5345144 |
Lamp with internally pressed fuse |
Sep. 6, 1994 |
| 5343120 |
Device applicable to fluorescent tubes reducing the consumption of energy without variance of the luminosity |
Aug. 30, 1994 |
| 5331250 |
Thick film resistor for use in a vacuum and a high pressure discharge lamp having such a resistor |
Jul. 19, 1994 |
| 5327046 |
High pressure discharge lamp having overcurrent fuse protection |
Jul. 5, 1994 |
| 5325017 |
High-pressure discharge lamp having solid state getter mounted on bimetallic element |
Jun. 28, 1994 |
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