|
Match
|
Document |
Document Title |
|
|
5554859 |
Electron emission element with schottky junction
This is an electron emission with a semiconductor substrate having a p-type semiconductor layer whose impurity concentration falls within a concentration range for causing an avalanche breakdown in...
|
|
|
5142188 |
High pressure discharge lamp utilizing an unsaturated type discharge tube
Two series connected high pressure sodium arc discharge tubes include a saturated arc tube and an unsaturated arc tube. When the saturated arc tube voltage shifts in value due to changes in...
|
|
|
5111103 |
Plural unit monitor
A mosaic of monitor units contained in a single covering provide higher-resolution monitor displays proportional to the number of monitor units contained in the monitor casement. The extension of...
|
|
|
5018980 |
Snap-apart universal jointed electrical device
A snap-together universal-jointed electrical device comprised of an essentially spherical plug and socket that can rotate and swivel with respect to each other, the plug and/or socket portions...
|
|
|
5015907 |
Multi-filament fluorescent lamp construction
A multi-filament fluorescent lamp construction (10) having a plurality of filament members (40) disposed on opposite ends of the lamp (10) wherein each of the filaments (40) is provided with a...
|
|
|
4931684 |
Digitally scanned extended electron source in vacuum
A device is provided for detecting defects in wire or cable insulation which is located in a vacuum without disconnecting the cable by synchronously detecting the current in a sense conductor with...
|
|
|
4842347 |
Glove box for removal of hazardous waste from pipes
An improved glove box hazardous waste removal system especially for confining pipes, including a pair of semi-rigid side walls securable at one edge to one another to form a rigid cylindrical unit....
|
|
|
4488082 |
Bi-fitted incandescent electric light bulbs with internal electrically parallel conductors
An incandescent electric light bulb is provided with two fittings, typically two opposed screw-threaded bases, each with two terminals. The bulb is provided with internal parallel conductors...
|
|
|
4410831 |
Overvoltage protecting element
An overvoltage protecting element of the invention has a pair of main electrodes, the discharging surfaces of which oppose each other with a gap therebetween in a cylindrical body of an insulator,...
|
|
|
4245174 |
Dual ionization chamber
In an electronic smoke sensing and alarm device, a dual ionization chamber arrangement comprises a single source of radioactive material and first and second chambers separated by a common...
|
|
|
4194138 |
Spark gap devices
In a spark gap device a number of arc-resistant insulating elements are stacked in spaced relationship to form spaces between adjacent insulating elements with each element having a through-hole....
|
|
|
3878416 |
INTEGRAL FLUORESCENT-INCANDESCENT LAMP STRUCTURE
A fluorescent-incandescent lamp structure comprising a phosphor coated tubular glass envelope containing a pair of arc discharge electrodes and having a base attached to one end and an incandescent...
|
|
|
3798476 |
HIGH VOLTAGE ELECTRON TUBE
A fully controllable electron tube comprising a plate, a cathode, a first electrode to accelerate an electron beam near the cathode and a second electrode between the first electrode and the plate,...
|
|
|
3749904 |
ILLUMINATED WAX FORM AND METHOD OF MAKING SAME
One or more small-wattage lamps are potted in a wax form of desired configuration with an exterior connector extending from the form. A resistor in series with a lamp may be internal or external of...
|
|
|
3628080 |
FIBER OPTIC OUTPUT FACEPLATE ASSEMBLY SYSTEM
A fiber optic faceplate for an electron tube in which an electron sensitive phosphor is provided on the inner surface of the faceplate and the light image from the phosphor is viewed or coupled...
|
|
|
3612943 |
TELEVISION CAMERA TUBE WITH BUILT-IN AMPLIFIER
A television camera tube including semiconductor preamplifier means located adjacent to the target area and directly connected to the signal electrode around the target area. The usual ringlike...
|
|
|
3531654 |
SOLID STATE SUBSTITUTE FOR A DUAL TRIODE ELECTRON TUBE
|
|
|
3521122 |
INCANDESCENT-FLUORESCENT LAMP
|
|
|
3588564 |
ELECTRIC LAMP WITH HEAT REFLECTOR
|
|
|
3424932 |
ELECTRICAL IMAGE DEVICE INCLUDING A VACUUM TUBE PROVIDED WITH ENDWALL HAVING AN ARRAY OF ELECTRICAL CONDUCTORS RECEIVING ELECTRICAL CURRENTS FORMING THE IMAGE AND AMPLIFYING MEANS FOR SAID CURRENTS
|
|
|
3402315 |
Circuit for regulating the potential between the cathode and the high voltage anode of a cathode ray tube using a tube having two groups of electrodes
|
|
|
3304456 |
Slot cathode
|
|
|
3293488 |
Low inductance capacitor and switching assembly
|
|
|
3278787 |
Bulb assembly
|
|
|
3268760 |
Plural electrode unit electron tube
|
|
|
3263108 |
Electron discharge tube having a diode built therein
|
|
|
3244000 |
Ceramic diode pressure transducer and system
|
|
|
3244933 |
Device of the kind comprising a highpower klystron with getter ion pump connected thereto
|
|
|
3176186 |
Electron discharge devices and circuit component stacked assembly
|
|
|
3065375 |
Cathode ray device
|
|
|
3048726 |
Electron discharge rectifier
|
|
|
2999960 |
Lightning arrester
|
|
|
2954493 |
Flip-flop indicator
|
|
|
2922059 |
Amplifier tube
|
|
|
2921209 |
Electron tube mount
|
|
|
2913632 |
Micro-circuits, electric devices there-for, and methods for making same
|
|
|
2898506 |
High voltage generator for cathode ray tubes
|
|
|
2836746 |
Electron tube mount
|
|
|
2835839 |
Wide range proportional counter tube
|
|
|
2829294 |
Cathode ray tuning indicator tube
|
|
|
2815464 |
Electron discharge device
|
|
|
2798903 |
Signal amplification system
|
|
|
2797266 |
Electric discharge tube for highfrequency amplification
|
|
|
2796549 |
Electronics matrix solver tube
|