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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 4234644 | Composite lamination film for electrophoretically toned images A composite lamination film for electrophoretically toned images deposited on a plastic receptor sheet, comprising, in combination, an optically transparent, flexible support layer, an optically transparent, flexible intermediate layer of a heat softenabl... | 11/18/1980 |
| 4206639 | Doppler acoustic wind sensor A system for remote measurement of wind velocity and direction. An acoustic echo transmitter for directing a beam of acoustic energy toward a zone, and a plurality of receivers for receiving acoustic energy scattered by wind in the zone, with each receive... | 06/10/1980 |
| 4185194 | Closed cycle gas handling system Process and apparatus for providing an imaging gas under pressure to the imaging chamber of an electron radiographic system. After closing the imaging chamber, air is flushed out by introducing a condensable gas such as a Freon. The Freon is then flushed ... | 01/22/1980 |
| 4147932 | Low light level and infrared viewing system A viewing system for improving an image, and particularly designed for use with infrared and low light level inputs. A viewing system having first and second electrodes mounted in spaced relation with a gap therebetween, an electric power source for produ... | 04/03/1979 |
| 4143547 | Method and apparatus for remote measurement of variation in wind velocity An acoustic echo system transmitter and receivers for measuring signal scattering at a zone resulting from wind movement, with the receiver doppler outputs averaged to provide spectra of wind velocity. Method and apparatus for calculating the second momen... | 03/13/1979 |
| 4140902 | Device for measurement of hair-like particulate material Apparatus for the measurement of hair-like particles, such as measurement of the amount of asbestos fiber in air. Apparatus including a source of a polarized beam of radiation directed to a scattering zone and a detector for detecting radiation of the bea... | 02/20/1979 |
| 4128008 | Concentration valve for a gas detecting apparatus, or the like A concentration valve for a gas detecting apparatus including a cylinder having diametrally opposed inlet and outlet ports for a sample gas and having diametrally opposed inlet and outlet ports for a carrier gas longitudinally spaced from and in the same ... | 12/05/1978 |
| 4104520 | Image charge relaxation in electrophoretic displays An electrostatic imaging chamber providing a real time visual image. An imaging chamber with electrophoretic particles in the electrode gap, with the particles being selectively moved to a transparent electrode as a result of the electrostatic charge imag... | 08/01/1978 |
| 4094608 | Spectrometer of the electro-opto-acoustic type with capacitor-type detection A spectrometer generally of the electro-opto-acoustic type, using a capacitor type detection instead of acoustic detection. A holder with a sample carrier having a dielectric and with a conducting backing plate on one surface of the sample carrier and a t... | 06/13/1978 |
| 4087764 | Gaseous thin film acoustically tuned laser A thin film laser typcially operating in the region of 1,000 to 10,000 A. First and second electrodes are mounted in a fluid container in spaced relation with a dielectric block in the gap between the electrodes and fixed to the first electrode. A voltage... | 05/02/1978 |
| 4079255 | X-ray system with electrophoretic imaging and solid X-ray absorber An electronradiography imaging chamber providing a real time visual image. An electronradiography imaging chamber with a solid X-ray absorber at one electrode and with electrophoretic particles in the gap between the electrodes, with the particles being s... | 03/14/1978 |
| 4075505 | Molecular emission lamp A method and apparatus for producing molecular radiation of a single selected gas by generating resonance photons characteristic of the single gas and at a first frequency, and directing the resonance photons into a container of the single gas producing e... | 02/21/1978 |
| 4072289 | Axial tomography Analog method and apparatus for producing an axial tomographic image of an object, typically the human body, using a detector for receiving radiation along a plurality of sets of paths, with the sets of paths overlapping each other, and providing a plural... | 02/07/1978 |
| 4071648 | Electron radiograph receptor A receptor sheet for use with an electronradiography system and having a relatively thick core layer bonded between a relatively thin image carrier layer and a relatively thin antistatic conducting layer.... | 01/31/1978 |
| 4070577 | Imaging systems with fluorescent and phosphorescent toner Apparatus and method for improving contrast in the visual image formed by toner deposited on an electrostatic image such as is formed in xerography and ionography. Hard copy and real time electrostatic imaging systems utilizing a fluorescent toner in the ... | 01/24/1978 |
| 4065670 | Spherical electrode X-ray imaging chamber An imaging chamber for a radiographic system for exposing an image receptor sheet to an X-ray source. A chamber with an X-ray window having low and uniform X-ray absorption and being substantially rigid for maintaining a uniform gap spacing between the el... | 12/27/1977 |
| 4053768 | Method and apparatus for improving contrast in electrophoretic display Apparatus and method for improving contrast in the visual image formed by toner deposited on an electrostatic image such as is formed in electronradiography. Electrophoretic toner particles and a dye are dispersed in a liquid, with the particles being dep... | 10/11/1977 |
| 4053828 | Metal detector with first and second nested rectangular coils An orthogonal coil metal detector with nesting rectangular coils, each comprising a plurality of turns encapsulated in an insulating material and having a layer of electrical resistive material thereon. An encapsulating material in the gap between the coi... | 10/11/1977 |
| 4046134 | Solar heater with automatic venting An apparatus for collecting solar energy wherein a heat exchange array of plastic or the like is protected against damage by excessive heat buildup. The array is housed in a normally closed chamber having a portion transparent to solar rays and the chambe... | 09/06/1977 |
| 4044718 | Electrostatic fountain developer A fountain for moving liquid toner into engagement with a receptor for developing an electrostatic image into a visible image. A fountain for providing improved edge enhancement in an image, and incorporating an electrode positioned at the bottom of a liq... | 08/30/1977 |
| 4032786 | Method of using resonance atomic scattering of radiation to measure gaseous species A device for measuring gaseous species which comprises a scattering chamber having a resonance lamp illuminating said chamber and a detector for measuring a scattered light within said chamber and conduit means for delivering said gaseous species to said ... | 06/28/1977 |
| 4024431 | Resonance metal atom lamp A controllable evaporation source of parent metal species, produced either from a volatile metal or a metal halide, and under some circumstances a chemical getter sink in a sealed RF excited discharge. This discharge occurs in a second, extremely pure gas... | 05/17/1977 |
| 4005374 | Pulsed gas laser with low-inductance flow-through electrodes An electrically pumped gas laser with an electrode assembly providing for gas flow through spaced upstream and downstream electrode arrays with the flow path perpendicular to the optical axis of the laser in a very low inductance electrical circuit. Elect... | 01/25/1977 |
| 3983438 | Spark gap switch A spark gap switch having a central electrode positioned within an annular electrode in a dielectric liquid or saturated vapor flow line, with coaxial or parallel plate electrical connections to said electrodes.... | 09/28/1976 |
| 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 |
| 3965352 | X-ray system with electrophoretic imaging An electronradiography imaging chamber providing a real time visual image. An electronradiography imaging chamber with electrophoretic particles in the electrode gap, with the particles being selectively moved to a transparent electrode as a result of the... | 06/22/1976 |
| 3953618 | Electrostatic image developing process An electrostatic image developer of the powder cloud type incorporating an image field screen or plate adjacent the receptor sheet carrying the electrostatic image, and including means for varying the image field plate potential and spacing during the dev... | 04/27/1976 |
| 3949222 | Method and apparatus for reducing the density of background areas without affecting the density of picture areas in an electronradiograph Apparatus and method for improving an electron radiograph by reducing the charge density in the background area of the electrostatic image and thereby reducing the amount of toner attracted to such areas during developing. The latent electrostatic image i... | 04/06/1976 |
| 3939345 | Liquid crystal imaging of radiograms An electronradiography imaging chamber providing a visual image at the chamber suitable for direct viewing and/or copying. An imaging chamber with a first electrode on the x-ray source side, an x-ray absorber in a gap between the first electrode and an an... | 02/17/1976 |
