Bizarre Patents
A hand wearable body squeegee comprising a glove portion, a concave squeegee band, and a linear squeegee band.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 3999855 | Illumination system An improved system is described for providing approximately equalized illumination at all points between first and second opposite portions of a total internally reflecting cell. The system comprises in addition to the cell, a source of radiation of at le... | 12/28/1976 |
| 3995167 | Fiberoptic fluid level sensing mechanism A fiberoptic fluid level sensing mechanism is provided which is operable for performing fluid level sensing as applied particularly to a mixing and dispensing device. The mechanism embodies light projecting means supported in the device so as to be positi... | 11/30/1976 |
| 3983398 | Method and apparatus for X-ray or γ-ray 3-D tomography using a fan beam A fan-shaped beam of penetrating radiation, such as X-ray or γ-ray radiation, is directed through a slice of the body to be analyzed to a position sensitive detector for deriving a shadowgraph of transmission or absorption of the penetrating radiation by... | 09/28/1976 |
| 3983397 | Selectable wavelength X-ray source A method and apparatus for producing X-rays having any selected one of a plurality of specific different wavelength spectra greatly facilitates X-ray fluorescence analysis of samples to detect constituent elements. In the X-ray source, an electron beam is... | 09/28/1976 |
| 3983389 | Wand for reading optically encoded graphic symbols A wand suitable for scanning the universal product code (UPC) symbol uses a light emitting diode for illuminating the symbol and a silicon photodetector for receiving the reflected energy. A single optical fiber is coupled to the diode and to a portion of... | 09/28/1976 |
| 3979589 | Method and system for the infrared analysis of gases A dual path analyzer and a single path analyzer are disclosed, each for determining the concentration of one or more gaseous components in a mixture of gases. The preferred analyzer is a single path instrument which includes a source of infrared energy, a... | 09/07/1976 |
| 3978333 | Photovoltaic device having polycrystalline base A photovoltaic device comprising a polycrystalline base having an electrically conductive grid affixed to the surface of the device to which illumination is to be applied, said grid effecting a rectifying junction with the base and at the same time functi... | 08/31/1976 |
| 3976891 | Photoelectric detector for smoke or the like A photoelectric detector in which partial light beam obfuscation caused by dirty windows is balanced out by providing two beams of light passed through the gaseous medium in which smoke or the like is to be detected, the beam windows being subject to subs... | 08/24/1976 |
| 3974377 | Solid state seed sensor The embodiment of the invention disclosed herein is directed to a solid state seed sensor which includes a light-emitting diode for directing a quantity of light to a pair of photoresponsive transistors. The light-emitting diode and photoresponsive transi... | 08/10/1976 |
| 3971956 | Measurement of surface roughness The roughness of a surface is determined by directing a laser beam, or other electromagnetic radiation, onto a number of small areas of the surface in turn and measuring intensity of radiation scattered from the small illuminated areas with detectors arra... | 07/27/1976 |
| 3971932 | Apparatus for enhancing the long wavelength response of photodetectors A photodetection device includes a photosensor usefully responsive to electromagnetic energy of a first band of wavelengths. An energy conversion unit is optically coupled to the photosensor for receiving incident electromagnetic energy of different, long... | 07/27/1976 |
| 3971954 | Ultraviolet camera system for dental photography and mouthpieces therefor A source of ultra violet light is directed onto the teeth of a patient via a mouthpiece which engages the gums above and below the tooth lines. A camera is attached and pictures may be taken of the teeth. By detecting differences in ultra violet absorptio... | 07/27/1976 |
| 3970857 | Apparatus for web defect detection including a web swatch that contains a defect An improved web scanning inspection system that includes a fixed standard web swatch containing representative objectionable defects in the path of the scan beam at the onset of each scan in order to calibrate inspection system discriminator thresholds. G... | 07/20/1976 |
| 3970846 | Presence detecting system with self-checking This invention relates to presence sensing systems and more particularly to such systems which utilize beams of radiant energy, such as light beams, to detect the presence of a person or an object within a predetermined space. Additionally the invention r... | 07/20/1976 |
| 3970844 | Direct charge readout electron-radiography chamber A photo-optical imaging system suitable for use in an electronradiography system which produces an electrostatic charge image at an electrode. An electrode having a photoconductor layer and a transparent electrical conducting layer, with the charge image ... | 07/20/1976 |
| 3970842 | Automatic focus control device An automatic focus control device has an optical system including an image scanner. The image scanner is disposed between a range-finding lens and at least one light receptor element and on the path of travel of the incoming light towards the light recept... | 07/20/1976 |
| 3967903 | Photodensitometer for measuring optical fringe patterns A non-storage type image pick-up tube line scans a sample for picking up the fringes. A circuit responds to the maximum and minimum values of the output from the image pick-up tube generating a signal corresponding to the brightness of the fringes, signal... | 07/06/1976 |
| 3968364 | Height sensing device A height sensing device is provided which comprises a beam interrupter which swings into and out of the path of a beam passing from a light source to a photodiode. The beam interrupter is a disc rotatably mounted on a swinging sensor. The disc has a slot ... | 07/06/1976 |
| 3967113 | Wavelength-corrected spectrofluorometer A spectrofluorometer providing wavelength correction by means of an arbitrary function generator driven by a wavelength scanning element of the spectrofluorometer. The arbitrary function generator may be driven by the emission scanning monochromator to de... | 06/29/1976 |
| 3967114 | Device for determining the profile of a surface A device for determining the profile of a surface is disclosed. It comprises a beam arranged in a rotating plane about an axis of rotation, forming on the surface a light spot and scanning a sector of that plane. A detection system whose detection axis is... | 06/29/1976 |
| 3967112 | Photo-image memory panel and activating method thereof Disclosed is a photo-image memory panel composed of an electroluminescent element which exhibits electrical polarization effects upon light excitation. Under the conditions when the panel is biased by DC voltage or DC offset voltage, light irradiation is ... | 06/29/1976 |
| 3965347 | Electroluminescent semiconductor diode with hetero-structure An electroluminescent semiconductor diode having a homogeneous monocrystalline semiconductor substrate providing a first zone on which an epitaxial layer has been formed providing a second zone. This second zone has a forbidden-band-width which changes st... | 06/22/1976 |
| 3965361 | X-ray film loader An automatic x-ray film loader is provided with film transports for moving the film to or from an exposure station that automatically correct improperly aligned sheets of film. The speed of at least one of the transports is automatically adjusted so that ... | 06/22/1976 |
| 3965348 | Method of and apparatus for detecting light and controlling jalousies and the like A photosensitive surface is enclosed behind a wall formed with a vertically open slit which forms with the surface a vertical angle of 80°. This slit is open about 3° and is displaced horizontally past the surface through at least 150° so as to let par... | 06/22/1976 |
| 3963938 | Apparatus for scanning cants to determine optimum edging cuts An elongated workpiece having unfinished side surfaces inclined laterally downwardly and outwardly from a finished top surface is scanned to produce signals denoting location of the longitudinal edges of the top surface at numerous points along them. A sw... | 06/15/1976 |
| 3963937 | Information searching device An automatic information searching arrangement for searching desired image information from a record web having image information and searching marks placed thereon. The present invention provides scanning device which incorporates therein a light source ... | 06/15/1976 |
| 3962588 | Method for making record of objects A method for use in object examination involves the subdivision of a lens field of view into a succession of cells, the encoding of such cell succession and the making of a record of radiant energy reflected into the lens field of view from the object and... | 06/08/1976 |
| 3962576 | Method and apparatus for automatic generation of phase-adapted coherent secondary radiation in a non-linear crystal Secondary radiation in a non-linear crystal is produced by irradiating the crystal with a coherent primary radiation, to produce a coherent phase-adapted secondary radiation whose frequency is doubled with respect to the frequency of the primary radiation... | 06/08/1976 |
| 3958126 | Logic circuitry A burner control system has a field device and control logic for providing a control signal to change the state of the field device. A comparator that compares signals from field and the control logic comprises translation circuitry that is arranged to pr... | 05/18/1976 |
| 3957352 | Electrochromic display having improved electrolyte An electrochromic display device having transparent front electrodes on a substrate, said front electrodes being coated with electrochromic material having different oxidation states for displaying optical patterns, a back electrode on a parallel substrat... | 05/18/1976 |
| 3958118 | Intrusion detection devices employing multiple scan zones This invention relates to intrusion detection devices, and in one embodiment includes an array of infra-red detectors with associated means for selectively increasing the number of scan zones which may be monitored by the same detector array, by providing... | 05/18/1976 |
| 3956632 | Conveyor belt position monitoring device Means for automatically positioning light sensing means relative to a linear series of light sensitive areas, e.g., apertures, on a longitudinally moving conveyor belt which is monitored by the sensing means. Rollers are used to receive the side edges of ... | 05/11/1976 |
| 3955083 | Interferometric device for encoding shaft angles In a shaft angle encoder, an optical system translates the shaft angular displacement into a difference of two optical path lengths and that difference is measured by interferometry. Light from a monochromatic source is split and both the transmitted and ... | 05/04/1976 |
| 3955095 | Method and apparatus for determining the average size of apertures in an apertured member The average aperture width in a small area of an apertured member, such as a shadow mask for a cathode ray tube, is determined by passing a beam of substantially monochromatic light through an area of the member to form an interference pattern, detecting ... | 05/04/1976 |
| 3955082 | Photodiode detector with selective frequency response A photodiode detector comprises a substrate on which a plurality of detector sections are formed, in series. Reverse bias is applied to the separate sections, the bias more negative for each section from the input end. The absorption bandwidth for each se... | 05/04/1976 |
| 3953739 | Method and apparatus for the continuous monitoring and control of cell size in a foam structure A method and apparatus are provided to continuously monitor and measure the average size of individual foam cells contained in a foam structure, such as polystyrene foam for example, as it is being fabricated. Such an arrangement permits the prompt adjust... | 04/27/1976 |
| 3953728 | Apparatus for determining the relative position of the plane of maximum amplitude of the local frequency component In an apparatus, an imaging system, at least one optically effective grating and a photoelectric receiver system are employed for determining the relative position of the plane of maximum amplitude of a spatial frequency component in the image of an objec... | 04/27/1976 |
| 3952207 | Method and means for determination of particle size distributions in a mass flow of a granular material Method and means for determining the particle size distribution in a flow of granular material in the particle size range of 1 μm to several millimeters by introducing into a constant velocity stream of a carrier medium, preferably transversely thereof, ... | 04/20/1976 |
| 3952191 | Controlled system for focussing a read-out light beam A controlled system for focussing a read-out light beam onto a moving track carrying information, comprising: a focussing objective lens for forming a periodic motion along its optical axis, under the action of a pilot device; a comparator comparing the p... | 04/20/1976 |
| 3947682 | Apparatus for measuring angular displacement Apparatus for measuring angular displacement of an object in which an alternating potential source is applied to the electrodes of a light source, such as a gaseous discharge light, resulting in alternating illuminations in the medium, e.g., gas, about th... | 03/30/1976 |
