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| Number | Title | Issue Date |
| 6511203 | Beacon light A beacon light includes a tubular bottom shell having a closed end and an open end. A battery housing is in the bottom shell and is adapted to contain batteries and connect them in series. A tubular, translucent light diffuser is on and secured to the ope... | 01/28/2003 |
| 6168288 | Flashlight with light emitting diodes A battery operated flashlight having a light emitting diode (LED) as its light source. At least one LED is mounted on a plate of an insulating material having a pair of contacts on a surface thereof. Each of the LED's has a pair of terminals with one term... | 01/02/2001 |
| 6147481 | Termination for RF circuit which senses changes in power and which is not temperature sensitive A circuit for determining power changes in an RF circuit includes first and second temperature sensitive resistors connected in parallel with an RF input terminal so as to have a common junction therewith. The first resistor has a positive temperature coe... | 11/14/2000 |
| 6102056 | Cleaning apparatus An apparatus for cleaning parts includes a tank having an liquid inlet opening and a liquid outlet opening therein to allow a liquid, such as water to enter and drain from the tank. The tank also includes an air inlet window and an air outlet duct for all... | 08/15/2000 |
| 6049262 | Surface mountable transmission line device A transmission line device includes at least two rectangular plates of an insulating material having opposed planar surfaces and edges. A transmission line of a conductive material is on a surface of at least one of the plates and extends between two oppo... | 04/11/2000 |
| 6032956 | Board game A board game includes a board having on a surface thereof a pattern of squares. The squares are arranged in parallel rows extending between the sides of the board and extending substantially parallel to and between the ends of the board. Several of the ro... | 03/07/2000 |
| 6016085 | Flat cable load An RF termination load includes a base of an electrically and thermally conductive material having opposed surfaces. A recess is in one of the surfaces of the base and a groove in the one surface extends from the recess to an edge of the base. A resistor ... | 01/18/2000 |
| 5999064 | Heated temperature variable attenuator A temperature compensating voltage variable attenuator includes at least two temperature variable resistors. The temperature variable resistors have different temperature coefficients of resistance, preferably, with one temperature variable resistor havin... | 12/07/1999 |
| 5986516 | Chip attenuator having a capacitor therein An attenuator includes a flat, substantially rectangular substrate of an insulating material having a surface. A plurality of termination areas of a conductive material are on the substrate surface and are spaced from each other. Three resistors are on th... | 11/16/1999 |
| 5953811 | Trimming temperature variable resistor The temperature coefficient of resistance (TCR) of a resistor having a layer of a resistance material on a surface of a substrate and a termination layer of a conductive material at opposite ends of the resistance layer is adjusted by changing the area of... | 09/21/1999 |
| 5945905 | High power resistor A high power resistor includes a substrate of an insulating material having opposed first and second surfaces, and a strip of a resistance material on the first surface of the substrate. The resistance strip has side edges which are spaced from the side e... | 08/31/1999 |
| 5920241 | Passive temperature compensating LC filter A phase shifter in which the change in phase changes with changes in temperature. The phase shifter includes a plurality of capacitors and inductors connected in series relation to form a filter network. Each of the capacitors has a dielectric material wi... | 07/06/1999 |
| 5911497 | Multi-battery flashlight A flashlight includes a housing having an outer wall, a closed end and an open end. The outer wall is in the form of three semi-cylindrical portions forming within the housing three parallel pockets each of which is adapted to receive a stack of at least ... | 06/15/1999 |
| 5834991 | Thick film lange coupler A Lange coupler device which includes a first layer which is a base substrate of a dielectric material such as alumina. Deposited on this substrate are second, third and fourth layers of the device. Each layer is made from a thick-film material. The secon... | 11/10/1998 |
| 5766193 | Tongue cleaner A tongue scraper formed of a handle having a spoon shaped head at one end. The head has a relatively sharply rounded tip and increases in width from the tip to a mid-portion of the head. The head has substantially flat front and back surfaces. A scraper b... | 06/16/1998 |
| 5739743 | Asymmetric resistor terminal A chip resistor includes a substantially rectangular substrate of an insulating material having opposed substantially flat top and bottom surfaces and edges extending between the top and bottom surfaces. A layer of a resistance material is on the top surf... | 04/14/1998 |
| 5690605 | Endoscopic device An endoscopic device includes an endoscopic tube for insertion into a cavity to be viewed; an optical system including a video camera and illuminating means for viewing the cavity, the image on the screen being a noninverted image; and a removable, rigid,... | 11/25/1997 |
| 5675213 | Cathode ray tube deflection yoke with reduced electric field radiation from terminal pins of printed circuit board on yoke The present invention is directed to a cathode ray tube having a neck portion and a funnel portion at one end of the neck portion. A yoke extends around the neck portion and has a printed circuit board mounted thereon. The printed circuit board includes a... | 10/07/1997 |
| 5670917 | AC coupled termination The present invention is directed to an AC termination which includes a substrate having first and second surfaces. A resistor is mounted on the first surface of the substrate. An input termination is at one end of the resistor. At least one plate of a ca... | 09/23/1997 |
| 5598131 | AC coupled termination The present invention is directed to an AC termination which includes a substrate having first and second surfaces. A resistor is mounted on the first surface of the substrate. An input termination is at one end of the resistor. At least one plate of a ca... | 01/28/1997 |
| 5598492 | Metal-ferromagnetic optical waveguide isolator An optical device includes a body of a semiconductor material having a waveguide therein along which light flows and means for providing gain to the light. A layer of an amorphous or polycrystalline metallic-ferromagnetic material extends along the wavegu... | 01/28/1997 |
| 5585769 | Passive temperature variable phase-shifter A temperature variable phase-shifter formed of passive components. The phase-shifter includes a power divider which is adapted to receive a signal and divide the signal into two components which are 90° out of phase with each other. The outputs of the po... | 12/17/1996 |
| 5557164 | Cathode ray tube with misconvergence compensation The present is directed to a cathode ray tube having compensation plates for compensating the misconvergence of the paths of the beams of the tube resulting from the earth's magnetic fields, The cathode ray tube includes a neck portion and a funnel portio... | 09/17/1996 |
| 5528787 | Apparatus for dry cleaning carpets A container for cleaning liquid solution for a carpet dry cleaning apparatus includes an outer wall having a cylindrical front portion and a flat back portion, an annular bottom wall at the bottom edge of the front portion of the outer wall, a top wall ex... | 06/25/1996 |
| 5521577 | Low profile resistor A low profile load resistor includes a base plate of an electrically conductive material having a pair of opposed flat surfaces and a hole therethrough. A chip resistor is mounted on one of the surfaces of the base plate. The chip resistor includes a subs... | 05/28/1996 |
| 5521563 | Microwave hybrid coupler A hybrid coupler which includes a substrate of an insulating material having a pair of opposed surfaces. A conductive ground plane is on one of the substrate surfaces. A pair of conductive transmission lines are over the other substrate surface and a laye... | 05/28/1996 |
| 5490788 | Surface mount terminal for electrical component An electrical terminal for an electrical component to surface mount the component on a printed circuit board with the component extending upright from the printed circuit board. The electrical terminal includes a metal strip having a pair of spaced tabs e... | 02/13/1996 |
| 5449410 | Plasma processing apparatus A plasma processing apparatus has a chamber with an open top and a cover plate extending across the open top of the chamber. The cover plate has an opening therethrough. An annular shield of an electrical insulating material is secured to the cover plate ... | 09/12/1995 |
| 5435033 | Interdental toothcleaner holder A holder for an interdental toothcleaner of the type having a substantially rigid but flexible stem and cleaning means on the stem. The holder includes a neck having a tip projection radially therefrom adjacent one end thereof and a slot extending longitu... | 07/25/1995 |
| 5390388 | Apparatus for dry cleaning carpets with removable solution container An apparatus for dry cleaning carpets and the like includes a base having a pad holder at its bottom and a motor on its top. The motor is connected to the pad holder to rotate the pad holder. A handle extends from the base and wheels are mounted on the ba... | 02/21/1995 |
| 5380566 | Method of limiting sticking of body to susceptor in a deposition treatment A method of limiting sticking of a body (substrate) to a susceptor after the body has been coated with a layer in a deposition chamber by plasma chemical vapor deposition includes subjecting the coated body to a plasma of an inactive gas, e.g., hydrogen, ... | 01/10/1995 |
| 5175724 | Capacitance disc information retrieval system A system for retrieving information on a random basis from a disc having the information thereon in a spiral path around the disc. The system includes a turntable rotatable about a central spindle and adapted to support the disc thereon. An arm housing is... | 12/29/1992 |
| 4862471 | Semiconductor light emitting device A semiconductor, injection mode light emitting device includes a body of a semiconductor material having a quantum mode region formed of alternating layers of gallium nitride and either indium nitride or aluminum nitride. A region of N-type gallium nitrid... | 08/29/1989 |
| 4753243 | Pulse rate monitor A pulse rate monitor comprises first and second units coupled by a cable. The first unit has a microwave ocillator that provides a pulsating DC signal in accordance with the pulse rate to the second unit which amplifies the signal. Since the first unit do... | 06/28/1988 |
| 4697085 | Apparatus and method for producing ions A source of a beam of ions includes in a housing a cathode filament, an anode spaced from the cathode and housing an ion emission opening therethrough and an intermediate electrode between the cathode and anode and having an opening therethrough in alignm... | 09/29/1987 |
| 4691109 | Apparatus and method for producing ions A source of a beam of ions includes in a housing a cathode filament, an anode spaced from the cathode and housing an ion emission opening therethrough and an intermediate electrode between the cathode and anode and having an opening therethrough in alignm... | 09/01/1987 |
| 4672314 | Comprehensive semiconductor test structure A structure for measuring electrical and physical characteristics of a semiconductor region includes a semiconductor region having a first portion of width W1 and a second portion of width W2, wherein W1 is not equal to W | 06/09/1987 |
| 4668080 | Method and apparatus for forming large area high resolution patterns A high resolution periodic pattern is formed in a layer of a photosensitive material by means of a beam of light and a lenticular array formed of a plurality of lenslets. The lenticular array is positioned over the layer and the beam of light is directed ... | 05/26/1987 |
| 4666553 | Method for planarizing multilayer semiconductor devices In accordance with the present invention a method for forming an insulating layer over a substrate surface comprises providing first and second raised portions extending from the substrate surface, the first and second portions extending distances X1... | 05/19/1987 |
| 4667213 | Charge-coupled device channel structure A buried-channel charge-coupled device includes a substrate of semiconductor material of one conductivity type having therein and along a surface thereof a major channel region of the opposite conductivity type and at least one supplemental channel region... | 05/19/1987 |
