| Patent Number |
Title Of Patent |
Date Issued |
| 7067981 |
Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire |
June 27, 2006 |
| A compact self-ballasted fluorescent lamp which is equivalent to a typical light bulb is provided. The self-ballasted fluorescent lamp includes a cover, a lighting circuit, an arc tube, a base and a globe and formed into a shape whose outline dimensions are nearly identical to the st |
| 7042158 |
Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire |
May 9, 2006 |
| A compact self-ballasted fluorescent lamp which is equivalent to a typical light bulb is provided. The self-ballasted fluorescent lamp includes a cover, a lighting circuit, an arc tube-a base and a globe and formed into a shape whose outline dimensions are nearly identical to the standar |
| 6956327 |
Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire |
October 18, 2005 |
| A compact self-ballasted fluorescent lamp (10) which is equivalent to a typical light bulb is provided.The self-ballasted fluorescent lamp (10) includes a cover (14), a lighting circuit (16), an arc tube (18), a base (12) and a globe (17) and formed into a shape whose outline dimensions |
| 6437502 |
Selfballasted fluorescent lamp having specified tube geometry, luminous flux, lamp efficiency an |
August 20, 2002 |
| A compact self-ballasted fluorescent lamp (10) which is equivalent to a typical light bulb is provided.The self-ballasted fluorescent lamp (10) includes a cover (14), a lighting circuit (16), an arc tube (18), a base (12) and a globe (17) and formed into a shape whose outline dimensions |
| 6175187 |
Dual tube fluorescent lamp and light device |
January 16, 2001 |
| A dual tube type fluorescent lamp including a luminescence tube. The luminescence tube has a long and slender airtight glass bulb with a nonlinear form part, a pair of electrodes and a phosphor layer formed on the inside surface of the glass bulb. A gap is formed between the circumfe |
| 6163115 |
High-pressure discharge lamp lighting apparatus system |
December 19, 2000 |
| A lamp voltage detecting section detects the lamp voltage of the high-pressure discharge lamp and transmits it to a current calculating section. A lamp current detecting section detects the lamp current of the high-pressure discharge lamp and transmits it to a differential amplificat |
| 6127789 |
Apparatus for controlling the lighting of a discharge lamp by controlling the input power of the |
October 3, 2000 |
| Provided is an apparatus for controlling the power supplied to a discharge lamp by detecting the voltage and current of the lamp's electric supply line. A microcomputer monitors power consumption of the discharge lamp by multiplying the voltage and current detected in the supple line to |
| 6100650 |
Electrodeless discharge lamp unit |
August 8, 2000 |
| An electrodeless discharge lamp unit includes an electrodeless discharge lamp that has a luminescent tube with an excitation coil wound round and an auxiliary tube, a high-tension applying circuit to apply pulse voltage of a peak value that is able to dielectric break the discharge space |
| 6084350 |
Ion generating device |
July 4, 2000 |
| An ion generating device according to the present invention has a substrate having at least one insulating surface. A pair of electrodes is separately formed on the substrate to generate a corona discharge therebetween for ionizing gas floating in the atmosphere around the device. A prot |
| 5939836 |
Discharge lamp lighting apparatus and lighting apparatus |
August 17, 1999 |
| A discharge lamp lighting apparatus of the present invention includes an inverter to convert input DC voltage into high frequency voltage and supply the converted high frequency voltage to a discharge lamp having filaments, a preheating circuit to preheat the filaments of the discharge |
| 5178712 |
Lamp device and method of bonding mirror reflector to lamp |
January 12, 1993 |
| A lamp device includes a mirror reflector having a cylindrical, hollow lamp mounting portion at a rear end portion of a reflector body having a curved suface, a lamp housed in the mirror reflector and having an end with a sealing portion into which the lamp mounting portion is inserted, |
