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Class Information
Number: 315/3.6
Name: Electric lamp and discharge devices: systems > Cathode ray tube circuits > Combined cathode ray tube and circuit element structure > Traveling wave tube with delay-type transmission line > Line with plural characteristics or plural lines
Description: Subject matter which is provided with a plurality of transmission lines or devices, or which has the transmission line or device constructed so as to have a section which has different characteristics from another section.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7230384 |
Robust RF interface in a TWT |
Jun. 12, 2007 |
| 7142052 |
Travelling wave amplifiers |
Nov. 28, 2006 |
| 7088048 |
Device and process for switching and controlling an electron dose emitted by a micro-emitter |
Aug. 8, 2006 |
| 7034462 |
Power supply circuit for traveling-wave tube which eliminates large relay and relay driving power supply |
Apr. 25, 2006 |
| 6894439 |
Portable power converter pack |
May. 17, 2005 |
| 6777876 |
Power-supply unit for microwave tube |
Aug. 17, 2004 |
| 6584675 |
Method for fabricating three dimensional traveling wave tube circuit elements using laser lithography |
Jul. 1, 2003 |
| 6356023 |
Traveling wave tube amplifier with reduced sever |
Mar. 12, 2002 |
| 6356022 |
Tapered traveling wave tube |
Mar. 12, 2002 |
| 6184615 |
Traveling wave deflection system having helical conductors coiled on insulating cores of a specifiable specific dielectric constant |
Feb. 6, 2001 |
| 6049249 |
TWT with mismatched section for controlled gain variation with frequency |
Apr. 11, 2000 |
| 5862462 |
Power enhancement techniques for high power satellites |
Jan. 19, 1999 |
| 5834971 |
RF amplifier including traveling wave tube with sequential stages |
Nov. 10, 1998 |
| 5742209 |
Four cavity efficiency enhanced magnetically insulated line oscillator |
Apr. 21, 1998 |
| 5723948 |
Helix travelling-wave tube with a maximum small signal gain at the operating voltage |
Mar. 3, 1998 |
| 5649310 |
Signal translation and amplification system including a thermal radiation panel coupled thereto |
Jul. 15, 1997 |
| 5525864 |
RF source including slow wave tube with lateral outlet ports |
Jun. 11, 1996 |
| 5341066 |
Anisotropically loaded helix assembly for a traveling-wave tube |
Aug. 23, 1994 |
| 5196765 |
High RF isolation crossed-field amplifier |
Mar. 23, 1993 |
| 5162697 |
Traveling wave tube with gain flattening slow wave structure |
Nov. 10, 1992 |
| 5162747 |
Velocity modulation microwave amplifier with multiple band interaction structures |
Nov. 10, 1992 |
| 5068569 |
Wave guide device having a periodic structure and improved heat dissipation |
Nov. 26, 1991 |
| 5038075 |
Traveling-wave deflection system in a cathode-ray tube with conducting core on helical conductor. |
Aug. 6, 1991 |
| 5023563 |
Upshifted free electron laser amplifier |
Jun. 11, 1991 |
| 4970432 |
Travelling wave tube with coupling device between its delay line and external microwave circuits |
Nov. 13, 1990 |
| 4912366 |
Coaxial traveling wave tube amplifier |
Mar. 27, 1990 |
| 4906896 |
Disk and washer linac and method of manufacture |
Mar. 6, 1990 |
| 4866343 |
Re-entrant double-staggered ladder circuit |
Sep. 12, 1989 |
| 4859907 |
Traveling-wave tube with damping of undesired frequencies |
Aug. 22, 1989 |
| 4855644 |
Crossed double helix slow-wave circuit for use in linear-beam microwave tube |
Aug. 8, 1989 |
| 4829261 |
Circuitless electron beam amplifier (CEBA) |
May. 9, 1989 |
| 4829527 |
Wideband electronic frequency tuning for orotrons |
May. 9, 1989 |
| 4820688 |
Traveling wave tube oscillator/amplifier with superconducting RF circuit |
Apr. 11, 1989 |
| 4785261 |
Magnetically insulated transmission line oscillator |
Nov. 15, 1988 |
| 4763043 |
P-N junction semiconductor secondary emission cathode and tube |
Aug. 9, 1988 |
| 4745324 |
High power switch tube with Faraday cage cavity anode |
May. 17, 1988 |
| 4733132 |
High energy accelerator |
Mar. 22, 1988 |
| 4709186 |
Coupled cavity travelling wave tubes |
Nov. 24, 1987 |
| 4695766 |
Traveling wave tube and its method of construction |
Sep. 22, 1987 |
| 4683400 |
Travelling wave tube and helix for such travelling wave tube |
Jul. 28, 1987 |
| 4647816 |
Travelling-wave tube and method for the manufacture thereof |
Mar. 3, 1987 |
| 4631447 |
IREB converter to AC pulses |
Dec. 23, 1986 |
| 4621218 |
Transverse field interaction multibeam amplifier |
Nov. 4, 1986 |
| 4619041 |
Method for manufacturing coupled cavity travelling wave tubes |
Oct. 28, 1986 |
| 4612476 |
Broadband transverse field interaction continuous beam amplifier |
Sep. 16, 1986 |
| 4608520 |
Cathode driven crossed-field amplifier |
Aug. 26, 1986 |
| 4585965 |
Radio electric wave generator for ultra-high frequencies |
Apr. 29, 1986 |
| 4572985 |
Traveling wave tube comprising a sleeve cut with grooves and its manufacturing process |
Feb. 25, 1986 |
| 4571726 |
High performance orotron utilizing a dense electron beam |
Feb. 18, 1986 |
| 4567401 |
Wide-band distributed rf coupler |
Jan. 28, 1986 |
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