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| Patent # | Description |
|---|---|
| US-4,904,869 |
X-ray sensor having a high mass number convertor and a superconducting
detector The present invention provides an x-ray sensor that converts x-ray radiation into infrared radiation using a high mass number material. The infrared radiation... |
| US-4,904,868 |
Radiation image read-out apparatus and stimulable phosphor sheet
composite member for the same A radiation image read-out apparatus comprises a light shielding material removal section for removing a light shielding material by dissolution or separation... |
| US-4,904,867 |
Radiation image read-out method and apparatus In a radiation image read-out method and apparatus, final read-out is carried out for detecting image signals for use in reproduction of a visible image from a... |
| US-4,904,866 |
Wide area soft vacuum abnormal glow electron beam discharge hardening
process A process for large area hardening of photoresists or polymer films placed on substrates is disclosed. The process requires the use of a short duration (<1... |
| US-4,904,865 |
Externally mounted radioactivity detector for MWD Improved radioactivity well logging by mounting a scintillator in a hole extending through a drill collar at the lower end of a drill string so that measurements... |
| US-4,904,864 |
Multi-wavelength time domain reflectometer An optical time domain reflectometry system in which laser level reference signals are derived from the respective laser outputs from the laser sources and fed... |
| US-4,904,863 |
Polarimetric optical fiber pressure sensor An optical fiber pressure sensor in a double polarimetric configuration comprises a first polarimetric circuit including an optical fiber sensing coil in a... |
| US-4,904,862 |
Lens adjustment for a light emitting diode print head A print head for a light emitting diode printer has a row of LEDs on a mother plate and an end mounting plate secured at each end of the mother plate. A linear... |
| US-4,904,861 |
Optical encoder using sufficient inactive photodetectors to make leakage
current equal throughout An optical shaft angle encoder has a plurality of active photodiodes in an array on a semiconductor chip. A rotating code wheel has alternating areas for... |
| US-4,904,860 |
Optical signal detection circuit with constant current sources An optical signal detecting circuit is configured so that its detection sensitivity for detecting an optical signal received by a light receiving element is set... |
| US-4,904,859 |
Self electrooptic effect device employing asymmetric quantum wells Lower switching energies, enhanced electroabsorption and reduced tolerances on the operating wavelength of incident light are achieved while contrast between low... |
| US-4,904,858 |
Programmable optical logic devices operable by measuring the ratio of
optical data signal power to optical... Combinatorial (Boolean ) logical functions are provided in a programmable optical logic device by combining a symmetric self-electrooptic effect device (S-SEED)... |
| US-4,904,857 |
Electric control system for photoelectric touch input apparatus An electric control system for a photoelectric touch input apparatus including a plurality of light-emitting elements arranged to produce a plurality of light... |
| US-4,904,856 |
Optical pickup device with diffraction sensing An optical pickup device includes a light source, an optical lens system that converges light beams from the light source onto a recording medium, a... |
| US-4,904,855 |
Method for detecting relative position of an image pair including
contrast detection A method and system for finding an exact focus of a taking lens of a single lens camera or the like. The method detects the relative position between two images... |
| US-4,904,854 |
Automatic focus detecting device having deviation compensation An automatic focus control device including a plurality of photo-sensors corresponding, respectively, to a plurality of focus detecting regions, an optical... |
| US-4,904,853 |
Dual-function information-carrying sheet device A dual-function information carrying sheet device comprising a digital data storage medium for storing digital data, electrical contacts and an interface through... |
| US-4,904,852 |
IC card reader A contact member supporting member is pivotably supported to a slide member which abuts on a part of an IC card to be inserted and is moved by the IC card. When... |
| US-4,904,851 |
Identification authenticating system An identification authenticating system includes a first memory for storing a program to perform a preselected calculation on an input value to obtain an... |
| US-4,904,850 |
Laminar electrical heaters An electrical heater which has a conductive polymer resistive element and two laminar electrodes. The electrodes are shaped and positioned such that there is a... |
| US-4,904,849 |
Self-cleaning oven temperature control with adaptive clean mode
recalibration A self-cleaning oven includes an oven temperature control system that adjusts a nominal clean temperature by a fixed amount in response to any recalibration of... |
| US-4,904,848 |
Portable cooling and heating device A portable cooling and heating device for cooling and heating foods placed therein is provided including a housing having a bottom wall, a top, a front wall, a... |
| US-4,904,847 |
Hair dryer having adjustable height and air flow A hair dryer includes a hair dryer body and a stand for supporting the body, wherein the hair dryer body has a body head having a heater and a blast fan driven... |
| US-4,904,846 |
Oil filled body heater An electric heating device warms by radiation and convection. A metal casing holds a quantity of heat-conducting oil, with a remaining relatively small volume of... |
| US-4,904,845 |
Temperature controlled electrical continuous flow heater for beverage
making appliances An electrical continuous flow water heater for an infusion beverage making appliance includes a hot plate serving to keep hot a beverage receptacle and which is... |
| US-4,904,844 |
Remotely operated windshield defrost A remotely-operated vehicle windshield defrost system having the capability of being initiated before the driver enters the vehicle, e.g. while he is having... |
| US-4,904,843 |
AC TIG welding apparatus using hot wire An unconsumable electrode such as tungsten is opposingly arranged with a base metal to be welded. An AC arc welding power supply is connected between the base... |
| US-4,904,842 |
Blowhole.multidot.pit preventing agent and arc-welding method using the
same In lap joint welding of galvanized sheets, the occurence of blowhole and pit is prevented by applying a blowhole.multidot.pit preventing agent comprising a... |
| US-4,904,841 |
Welder system having controllable dual winding alternator A welding system is disclosed having an alternator which includes two overlapping delta configuration three-phase stator windings of differing gauge. An ordinary... |
| US-4,904,840 |
Auger flight welder An apparatus for rebuilding the worn outermost edge of a flight of an auger section by depositing a continuous bead of weld material along the extent of that... |
| US-4,904,839 |
Electrodes for use in spot welding Electrodes for use in spot welding which can spot-weld a metallic material having a large electric conductivity and a large thermal conductivity with a small... |
| US-4,904,838 |
Electrode changers and methods of operation for electrical bonding
apparatus Electrical bonding apparatus such as a fusing machine is provided with plural separate electrode holders such that the position of an electrode relative to each... |
| US-4,904,837 |
Powered microwave oven A microwave oven is described suitable for use on transports where DC power is available. The microwave oven employs a first inverter to generate internal AC... |
| US-4,904,836 |
Microwave heater and method of manufacture A microwave food package with a heater and method of manufacture are provided. The heater includes a substrate coated with a microwave lossy material having a... |
| US-4,904,835 |
Apparatus for the uniform and rapid heating of foodstuffs An apparatus is provided for the uniform and rapid heating of foodstuffs, usually for pasteurization and sterilization purposes, by means of microwave energy.... |
| US-4,904,834 |
Mixing attachment for microwave oven turntables A mixing attachment for stirring sauces, foods, mixtures or the like in a microwave oven. The mixing attachment includes a vertical mixing arm, a stationary... |
| US-4,904,833 |
Switch device with automatic neutral point restoring position and
releasably lockable nonneutral position A switch device comprising an operating knob adapted to be selectively operated according to an operational amount and permit an automatic restoring condition... |
| US-4,904,832 |
Microswitch A microswitch in which a good snap action feeling is obtained and an operating stroke is enhanced is provided. A compession spring is interposed between a... |
| US-4,904,831 |
Mitered mechanical switches An improved phased-array active antenna transmit-receive means utilizing a multiplicity of individual transmit-receive cells positioned in an array format upon a... |
| US-4,904,830 |
Liquid shut-off system The System is designed to shut-off the flow of liquid in a conduit, unattended, i.e., automatically, in the event of a liquid conduit rupture, liquid overflow,... |
| US-4,904,829 |
Actuator-controlled keylock switch A key attached, for example, to the door of an electrical equipment cubicle is capable of sliding within a passageway so as to cause pivotal displacement of a... |
| US-4,904,828 |
Multi-circuit slide switch assembly with distinct plunger operated switch A housing has a flat side and an open end opposite the flat side, which open end is closed by a circuit board, sandwiching a slidable contact carrier between it... |
| US-4,904,827 |
Electric cord-protecting shipping plug A plastic plug for protecting an electric cord from damage during shipping when such cord is shipped within separated rigid tubular components of a handle, or... |
| US-4,904,826 |
Internal shield ground adapter for kickpipe/stuffing tubes An internal shield ground adapter uses spring contacts inside the kickpipe/stuffing tube to make a wideband, low impedance 360 degree contact between the shield... |
| US-4,904,825 |
Quaternary ammonium antistatic compounds Described are certain quaternary ammonium alkyl benzene sulfonate salts and certain quaternary ammonium alkane sulfonate salts, e.g., octyl dimethyl hydroxyethyl... |
| US-4,904,824 |
Chemical process There is disclosed herein improved processes for the preparation of mixtures of alkali metal salts of 1-hydroxy-3-oxa-1,2,4,5-pentane tetracarboxylate and alkali... |
| US-4,904,823 |
Hydroquinone derivatives and a process for their preparation There is described a process for the manufacture of hydroquinone derivatives of the formulae ##STR1## which are valuable intermediates in the synthesis of... |
| US-4,904,822 |
Process for the optical resolution of (+)-2-hydroxy-4-phenylbutanoic acid A process for the optical resolution of (.+-.)-2-hydroxy-4-phenylbutanoic acid which comprises treating (.+-.)-2-hydroxy-4-phenylbutanoic acid with an optically... |
| US-4,904,821 |
Method of preparing peracetic acid In order to safely prepare peracetic acid in an organic solvent, the bottom is maintained in a certain stationary state during the preparation of aqueous... |
| US-4,904,820 |
Process for substituting a hydrocarbon group This invention encompasses a process for preparing higher order cuprate complexes which contain a carbanion for the formation of carbon to carbon bonds in... |
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