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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 5024549 | Method and apparatus for joining structural members Permanent joinder of structural components is accomplished by means of a heat retractable member connected between them by mechanically interlockable elements and raising the temperature of the member to a value sufficient to cause retraction thereof.... | 06/18/1991 |
| 4834536 | Electrical contacts for supplying heating current to an electrothermal atomizer Electrical contact members 20, 22 for supplying transverse electrical current to a tubular furnace member (22) for electrothermal atomization of samples for analysis by atomic absorption spectrophotometry, the tubular furnace member having diametrically o... | 05/30/1989 |
| 4818838 | Apparatus for preselecting and maintaining a fixed gap between a workpiece and a vacuum seal apparatus in particle beam lithography systems Disclosed is a particle beam lithography system (10) having a workpiece loading/unloading position to one side of a particle beam (32) and beam column (12) where a workpiece (14), to be processed, is placed in a vacuum chuck (100) to eliminate any irregul... | 04/04/1989 |
| 4818489 | Device for sampling breath air at the workplace A pocket instrument for sampling breath air in situ, includes a microprocessor-controlled directional control valve with needles at an outlet to which needle the sample vessels are attached. The directional control valve is arranged to be connected throug... | 04/04/1989 |
| 4803051 | Atomic spectrometer apparatus An atomic spectrometer in combination with an atomizer apparatus for atomizing a test sample into an atomic state for analysis in the atomic spectrometer. The atomizer apparatus includes a heater for heating a sample to free individual atoms of the sample... | 02/07/1989 |
| 4798464 | Scanning array spectrophotometer The advantage of sustained wavelength accuracy and mechanical simplicity of a spectrophotometer using a photodiode array as photometric detector and a fixed diffraction grating as dispersion means may be limited to a relatively short wavelength range by p... | 01/17/1989 |
| 4797609 | LED monitoring without external light detection An apparatus and method for monitoring the light intensity of individual light emitting diodes in an array of light emitting diodes. Means are provided to measure current flow through an unenergized diode adjacent to an energized diode. Current flow throu... | 01/10/1989 |
| 4792688 | Differentially pumped seal apparatus A differentially pumped seal apparatus (14) comprising a rough port nozzle (R), a medium port nozzle (M) and a high port nozzle (H), each with a centrally located sleeve (34,36,40) defining concentric apertures (44,48,52). Each nozzle is configured as a s... | 12/20/1988 |
| 4788431 | Specimen distance measuring system A specimen distance measuring system uses a plate (36) to obstruct the flux of backscattered electrons produced by an electron beam (18), and to cast a shadow across a measurement detector (32) which is sensitive to the position of the shadow. The shadow ... | 11/29/1988 |
| 4787745 | Conjugate interferometer A conjugate interferometer includes a first interferometer and a second interferometer arranged so that the common optical element thereof is the respective translating mirrors of the first and second interferometers.... | 11/29/1988 |
| 4786174 | Polychromator In a polychromator, the image plane or the focus line (28) is adapted optimumly to the plane of a detector (26), e.g. to a diode-array. At the same time, an optimum linear wavelength scale is obtained on the detector (26). To this end, an arrangement havi... | 11/22/1988 |
| 4779966 | Single mirror projection optical system A well corrected ring field catadioptric optical system utilizing refractive elements of the same glass type. A virtual relay corrected for axial and lateral primary color incorporates an air-surface doublet and two field lenses to correct for field aberr... | 10/25/1988 |
| 4776786 | DEvice and technique for lighting a flame in an atomic absorption spectrometer A gas conducting tube (12) with a flat end (14) cut off at an angle is pivotal above the burner head 10 for lighting the flame of an atomic absorption spectrometer. Gas emerging from the burner is passed through the tube from the first end 14 to a second ... | 10/11/1988 |
| 4773552 | Closure for sample bottles A closure and method of assembly for sample vials comprising a cap and a septum with the septum having a plurality of radially extending protrusions for retentive engagement with the cap to retain the septum and annular disk within the cap during position... | 09/27/1988 |
| 4772107 | Wide angle lens with improved flat field characteristics There is disclosed an improvement in wide angle lenses wherein very flat field characteristics are achieved. This is accomplished by a novel two element field flattener just before the image plane. One of the elements is positive and the other negative. I... | 09/20/1988 |
| 4770477 | Lens usable in the ultraviolet There is disclosed a high performance lens usable in the ultraviolet region of the spectrum. It is a lens of triplet form modified by the addition of double-Gaussshells with a strong field flattening lens near the fast end.... | 09/13/1988 |
| 4760429 | High speed reticle change system Method and apparatus are disclosed for speeding up reticle changes during the production of semiconductor wafers under those circumstances wherein three reticles are employed, one (C) having a substantially longer exposure period than the others (A, B). T... | 07/26/1988 |
| 4752216 | Programmed temperature control of a thermal system The invention resides in the temperature control of the oven of a gas chromatograph. A variable speed fan circulates air within the oven. Vents in the oven wall open automatically in response to pressure imbalances between the ambient atmosphere and the o... | 06/21/1988 |
| 4750405 | Vibration and shock isolation apparatus In a sensitive analytical instrument having an optical bench carried by a base member, new and improved vibration and shock isolation apparatus which includes three spaced pneumatic mounts interposed between the optical bench and the base member to provid... | 06/14/1988 |
| 4747678 | Optical relay system with magnification There is disclosed a ring field relay optical system incorporating concave spherical mirrors and including magnification achieved, at least partially, by a convex spherical mirror. In further modifications, aberrations introduced by the convex mirror are ... | 05/31/1988 |
| 4747030 | Illumination system An optical system for illuminating an arcuate field efficiently and uniformly using a short arc source. A first light source having a length along its axis of symmetry emits light with angular uniformity 360° in azimuth about its axis of symmetry. This l... | 05/24/1988 |
| 4743114 | Fabry-Perot scanning and nutating imaging coherent radiometer An imaging coherent radiometer incorporating a Fabry-Perot interferometer which is scanned or nutated, for detecting and determining location and wavelength of coherent radiation or the coherent absence of radiation in the presence of non-coherent ambient... | 05/10/1988 |
| 4744089 | Monolithic semiconductor laser and optical amplifier An integrated semiconductor source of high-power, single spatial mode, narrow spectral mode modulated radiation. A frequency selective feedback laser diode is disposed on the same semiconductor crystal with a power amplifier having a diverging active area... | 05/10/1988 |
| 4742276 | Regulated deuterium arc supply system An improved power supply system of smaller size and lower cost than prior art supplies is described for starting and maintaining the running of a deuterium arc lamp at a constant current level; by use of switching circuitry with solid-state components the... | 05/03/1988 |
| 4740686 | Optical sensor circuitry A photo sensor circuit including an LED (12) and a phototransistor (14) coupled together by resistors (R1, R2) and connected to a drive and sense network (16) including resistors (RB, R3, R4), a sourc... | 04/26/1988 |
| 4735505 | Assembly for adjusting an optical element An assembly having a compensator plate positional control mechanism includes an optical beamsplitter and a compensator plate which plate is pivoted to vary the pathlength of beams passing therethrough. By varying these pathlengths, the arms of an interfer... | 04/05/1988 |
| 4735507 | Imaging coherent radiometer An imaging coherent radiometer for detecting and determining the location and wavelength of coherent radiation or coherent lack of radiation in the presence of non-coherent ambient radiation. The apparatus includes an unequal path interferometer which div... | 04/05/1988 |
| 4733945 | Precision lens mounting A precision lens mounting assembly which includes a plurality of lens cells and a plurality of lenses which correspond to the plurality of lens cells. The lens cells have an annular shape. Flexure means are disposed within the inner diameter of the lens c... | 03/29/1988 |
| 4734829 | Short arc lamp image transformer A light transformer for converting light from a short arc lamp into an arcuate shape of uniform intensity. Mirror means associated with the short arc lamp projects light from the short arc lamp as a plurality of separate images conforming to the desired a... | 03/29/1988 |
| 4726671 | High resonance adjustable mirror mount A mirror mount wherein the mirror is mounted to the housing through tangent bars. The tangent bars have flexure cut-outs at each end thereof to allow the mirror to move relative to the housing. The housing is mounted through blade flexures to a support st... | 02/23/1988 |
| 4724326 | Off-chip time-delayed integration area array Fraunhofer line discriminator An apparatus for determining the fluorescence of materials in a scene which includes optical means to collect radiation from the scene. Means are provided to divide the collected radiation into first and second beam paths. The first beam path traverses a ... | 02/09/1988 |
| 4721376 | Non-reactive fluid connection device for cooled mirrors A non-reactive fluid connection device for cooled mirrors comprising a non-reactive, non-rigid connection joint (10) including at least two manifold blocks (20) oriented orthogonally to each other and containing a free floating self locating sleeve (22) w... | 01/26/1988 |
| 4719705 | Reticle transporter The described invention is a precisely adjustable transporter for moving a reticle past an optical slit as a step in the production of semiconductor wafers. The reticle stage rides along a pair of optically flat planar, intersecting, bearing surfaces supp... | 01/19/1988 |
| 4716342 | Power circuit for spectral analysis gaseous discharge lamps The circuit includes an inverter to be connected to a source of d.c. power. The inverter has a transformer with a center-tapped primary winding. Separate controllable switching devices are connected to the respective ends of the primary winding. Both swit... | 12/29/1987 |
| 4713821 | Semiconductor laser and optical amplifier A semiconductor source of high power, spatially and temporally coherent light including means to prevent damage to the output face. A laser diode is disposed in optical contact with a power amplifier having a diverging active area which causes emitted lig... | 12/15/1987 |
| 4707734 | Coarse flaw detector for printed circuit board inspection A system for detecting flaws in printed circuit boards. The circuit board is scanned by a video camera to provide a serial stream of bits each indicative of a picture element within a particular scan line. The serial stream of bits is formulated into bina... | 11/17/1987 |
| 4703434 | Apparatus for measuring overlay error The present invention is directed to new and improved apparatus for measuring overlay error between a wafer pattern and a mask pattern projected onto the wafer pattern by a lithographic exposure instrument, which includes a grating mask; a grating wafer h... | 10/27/1987 |
| 4698585 | Apparatus for identifying the connection position of a wire having two modes of operation A fixture is provided for holding a cable end connector to which wires are to be attached. The fixture includes an indicating element for each of the connection elements of the connector to be wired. A separate fiber-optic cable extends from each indicati... | 10/06/1987 |
| 4692883 | Automatic digital wavelength calibration system for a spectrophotometer This invention is directed to a digital wavelength calibration system for a spectrophotometer, which includes a photodiode array that forms an output detector for the spectrophotometer, a light source for generating at least one reference emission line of... | 09/08/1987 |
| 4689754 | Optimization apparatus and procedure A method and apparatus to optimize a characteristic of measured data in an adjustable instrument for chemical analysis. The characteristic is measured at a plurality of adjustment points about a start point. Through parabolic interpolation of the data a c... | 08/25/1987 |
