|
Match
|
Document |
Document Title |
|
|
7514931 |
Solar simulator and method for driving the same
To provide a solar simulator which has a plurality of xenon arc lamps as a light source, in which a predetermined amount of light is stably obtained from each of the xenon arc lamps so that...
|
|
|
7119707 |
Circuit for providing electrical current to a bicycle device
A circuit for providing electrical current to an electrically operated bicycle device comprises a current supply circuit that supplies DC current from the power supply to the bicycle device along a...
|
|
|
6972755 |
Driver circuit for a display device
The invention relates to a device for driving display devices and to a display device that is provided with a driver circuit. The invention also relates to a method of testing driver circuits....
|
|
|
6870371 |
Method and apparatus for examining plasma display panel electrodes using frequency characteristics
The present invention relates to a method and apparatus for examining Plasma Display Panel (PDP) electrodes using frequency characteristics, which can rapidly examine the PDP electrodes for defects...
|
|
|
6777942 |
Operating device for gas discharge lamps with detection of filament breakage
Disconnection device for an electronic operating device for gas discharge lamps. The filament breakage of a lamp is evaluated by detecting the current through a component which flows through the...
|
|
|
6600425 |
Method and apparatus for detecting and recording episodic overloads in a circuit
A apparatus for recording information on power surges in an electrical or electronic system is disclosed. The apparatus has a gas discharge tube connected between an input line of the electrical or...
|
|
|
6559591 |
Removable grounding strip for anti-reflective films on cathode ray tubes and method of using same
A non-adhesive, conductive strip is used to provide an electrical ground path between a solder electrode on the anti-reflective film of a cathode ray tube and the reinforcement or heat shrinkage...
|
|
|
6538448 |
Determining remaining operating life of fluorescent lamp
A method for determining the remaining operating life of a fluorescent lamp comprising cathodes, when the fluorescent lamp is a part of a fluorescent lamp circuit, which in addition to the...
|
|
|
6066951 |
External light tester
An apparatus for testing the exterior lights on a vehicle includes a controller supported by the vehicle and adapted to turn on the exterior lights in response to an actuation signal. A remote...
|
|
|
5989824 |
Apparatus and method for lysing bacterial spores to facilitate their identification
Bacteria cells and/or spores are collected and concentrated to form a specimen that is lysed using an ionized fluid to facilitate identification of the bacterial cells or spores by tests performed...
|
|
|
5952832 |
Diagnostic circuit and method for predicting fluorescent lamp failure by monitoring filament currents
A diagnostic circuit monitors filament currents in hot cathode fluorescent lamps for detecting when the filament erodes to the point of breaking. When such a filament failure is detected,...
|
|
|
5744961 |
Lamp disconnection detecting device for identifying a specific lamp which has become disconnected
A lamp disconnection detecting device includes a magnetic core with a gap; a plurality of detecting coils the number of turns of which are different from one another and are proportional to 2 n ...
|
|
|
5565781 |
Device for detecting the malfunctioning of a load such as a magnetron
A device for detecting the malfunctioning of a magnetron which operates at start-up with a high power setting P 0 , and which is connected to the terminals (21, 22) of the secondary winding (19) of...
|
|
|
5528147 |
Apparatus for detecting gas discharge lamp faults
A capacitor (16) coupled in series with series coupled gas discharge lamps (11 and 12) will effectively block direct current from flowing through the capacitor (16). A detector circuit including a...
|
|
|
5202636 |
Method of non-destructive lamp testing by sensing light output
A system for testing electrical lamps includes a hollow cylinder. Lamps are placed in the hollow cylinder and the light emitted from the lamp is focused onto a phototransistor by a focusing lens....
|
|
|
5179339 |
Holiday light bulb tester with light bulb socket insertable probes
A light bulb tester includes a body having first and second opposite ends. A pair of parallel cylindrical electrically-conductive wire probes on the first end are spaced apart a distance of from...
|
|
|
5089749 |
Method and apparatus for measuring output of a heat lamp for an optical TLD reader
A method and apparatus for measuring and adjusting output of a heat lamp for an optical TLD reader includes an optical system which matches the optical system of the TLD reader, means for...
|
|
|
5086276 |
Method of determining condensate location in an HID lamp
The present disclosure describes a method for determining the condensate location within an HID lamp. The method involves monitoring current and voltage waveforms during the glow phase of lamp...
|
|
|
5047721 |
Faulty lamp tester
A detector (42) is provided for testing a string of lamps (12) that are connected to a wire (14) in a series configuration. The detector (42) has a probe (44) disposed on the end thereof with a...
|
|
|
4695803 |
HID lamp ballast tester
A ballast tester for HPS lamp circuits includes a body of insulating material, a base which fits the lamp socket, a single wire connected to the base and extending through the body forming a loop,...
|
|
|
4673884 |
Circuit for measuring the anode current in an X-ray tube
A circuit for measuring anode current in an X-ray tube having an anode and a heater electrode both operable at high voltage, includes a heater transformer generating current pulses with a timewise...
|
|
|
4550273 |
Eight electrode optical readout gap
A protective device for a plurality of electrical circuits includes a pluity of isolated electrodes forming a gap with a common electrode. An output signal, electrically isolated from the circuits...
|
|
|
4453128 |
Digital display testing circuit
A circuit for testing a segment of a digital display comprising a segment of a digital display having a cathode filament for conducting electrical current and for emitting electrons, and detecting...
|
|
|
4336492 |
Apparatus for testing an hermetic seal in a glass cathode ray tube
An apparatus for testing an hermetic, glass-like frit seal interposed between the funnel and faceplate of an in-process cathode ray tube is disclosed. A discontinuity in the hermetic seal causes a...
|
|
|
4301409 |
Solar cell anomaly detection method and apparatus
A method is provided for detecting cracks and other imperfections in a solar cell, which includes scanning a narrow light beam back and forth across the cell in a raster pattern, while monitoring...
|
|
|
4145142 |
Apparatus for and method of testing direct-view image intensifiers
A beam from a test image is split into two paths. The beam in one path may pass through broad-band or narrow-band attenuators to the intensifier being tested. A portion of the beam in the other...
|
|
|
4097793 |
X-ray testing system
An X-ray tube test system comprising signal processing circuitry including means for converting an analog signal representative of anode current into a train of pulses having an instantaneous...
|
|
|
3787759 |
METHOD OF AND APPARATUS FOR MEASURING THE PURITY OF THE GASEOUS MEDIUM IN GAS LASERS
A method of and apparatus for determining the gas purity in gas lasers comprising means for producing free electrons or ionization as by a broad electron beam or the like in combination with...
|
|
|
3508141 |
DETERIORATION DECISION SYSTEM FOR PHOTOTELEGRAPHIC RECEIVER GLOW MODULATION TUBE
|
|
|
3315160 |
Electronic circuit testing method and apparatus employing optical fiber radiation sensors
|
|
|
3281671 |
Device having a semi-cylindrical tube stem receiving recess for testing filament continuity in electron tubes
|
|
|
3249818 |
D. c. power distribution arrangement for high frequency applications
|
|
|
2945147 |
Electron discharge device
|