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Class Information
Number: 313/307
Name: Electric lamp and discharge devices > Discharge devices having three or more electrodes > Four or more electrodes
Description: Discharge devices which have four or more electrodes.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6815905 |
Direct-view-type display apparatus |
Nov. 9, 2004 |
| 6791278 |
Field emission display using line cathode structure |
Sep. 14, 2004 |
| 6741016 |
Focusing lens for electron emitter with shield layer |
May. 25, 2004 |
| 6603270 |
Direct-view-type display apparatus |
Aug. 5, 2003 |
| 6501216 |
Focusing electrode for field emission displays and method |
Dec. 31, 2002 |
| 6495949 |
Electron tube cathode |
Dec. 17, 2002 |
| 6476548 |
Focusing electrode for field emission displays and method |
Nov. 5, 2002 |
| 6441543 |
Flat CRT display that includes a focus electrode as well as multiple anode and deflector electrodes |
Aug. 27, 2002 |
| 6300713 |
Focusing electrode for field emission displays and method |
Oct. 9, 2001 |
| 6262530 |
Field emission devices with current stabilizer(s) |
Jul. 17, 2001 |
| 6255768 |
Compact field emission electron gun and focus lens |
Jul. 3, 2001 |
| 6255771 |
Flashover control structure for field emitter displays and method of making thereof |
Jul. 3, 2001 |
| 6249083 |
Electric field emission display (FED) and method of manufacturing spacer thereof |
Jun. 19, 2001 |
| 6225739 |
Focusing electrode for field emission displays and method |
May. 1, 2001 |
| 6204600 |
Field emission device having floating electrode and conductive particle layer |
Mar. 20, 2001 |
| 6057636 |
Micro power switch using a cold cathode and a driving method thereof |
May. 2, 2000 |
| 6008063 |
Method of fabricating row lines of a field emission array and forming pixel openings therethrough |
Dec. 28, 1999 |
| 5977696 |
Field emission electron gun capable of minimizing nonuniform influence of surrounding electric potential condition on electrons emitted from emitters |
Nov. 2, 1999 |
| 5910704 |
Field emission display with a plurality of gate insulating layers having holes |
Jun. 8, 1999 |
| 5850120 |
Electron gun with a gamma correct field emission cathode |
Dec. 15, 1998 |
| 5786657 |
Field emission electron gun capable of minimizing nonuniform influence of surrounding electric potential condition on electrons emitted from emitters |
Jul. 28, 1998 |
| 5679960 |
Compact display device |
Oct. 21, 1997 |
| 5650690 |
Backplate of field emission device with self aligned focus structure and spacer wall locators |
Jul. 22, 1997 |
| 5572041 |
Field emission cathode device made of semiconductor substrate |
Nov. 5, 1996 |
| 5508584 |
Flat panel display with focus mesh |
Apr. 16, 1996 |
| 5483117 |
Device for non-thermal excitation and ionization of vapors and gases |
Jan. 9, 1996 |
| 5404025 |
Semiconductor vacuum device with planar structure |
Apr. 4, 1995 |
| 5359256 |
Regulatable field emitter device and method of production thereof |
Oct. 25, 1994 |
| 5214347 |
Layered thin-edged field-emitter device |
May. 25, 1993 |
| 5148078 |
Field emission device employing a concentric post |
Sep. 15, 1992 |
| 5146137 |
Device for the generation of a plasma |
Sep. 8, 1992 |
| 4988925 |
Omnidirectional metal halide arc discharge lamp |
Jan. 29, 1991 |
| 4968918 |
Apparatus for plasma treatment |
Nov. 6, 1990 |
| 4956574 |
Switched anode field emission device |
Sep. 11, 1990 |
| 4806975 |
Erase lamp with plural electrodes |
Feb. 21, 1989 |
| 4792732 |
Radio frequency plasma generator |
Dec. 20, 1988 |
| 4754194 |
Flourescent light bulb |
Jun. 28, 1988 |
| 4712039 |
Vacuum integrated circuit |
Dec. 8, 1987 |
| 4604554 |
Triggered spark gap discharger |
Aug. 5, 1986 |
| 4527090 |
Thyratron capable of reverse conduction |
Jul. 2, 1985 |
| 4289967 |
Multianode cylindrical proportional counter for high count rates |
Sep. 15, 1981 |
| 4047066 |
Flat display panel comprising an envelope including a substrate having terminal-receiving grooves |
Sep. 6, 1977 |
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