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| Patent # | Description |
|---|---|
| US-4,123,701 |
Disposable sample card having a well with electrodes for testing a
liquid sample Disclosed are several embodiments of a disposable sample card for testing fluids such as blood and the like. A generally planar card contains a chamber, or well... |
| US-4,123,700 |
Potentiostated, self-humidifying, solid polymer electrolyte carbon
monoxide dosimeter A dosimeter for measuring accumulated dosage of noxious gases, such as carbon monoxide (CO), oxides of nitrogen, (NO.sub.x), etc., incorporates a gas-sensing... |
| US-4,123,699 |
Vertically scanning microfilm reader and reader printer The inventive microfilm reader and reader-printer has a film gate which is anchored to the chassis of the reader or reader-printer and which is entirely separate... |
| US-4,123,698 |
Integrated circuit two terminal temperature transducer An integrated circuit two terminal temperature transducer providing an accurate current output that is linearly related to absolute temperature over an extended... |
| US-4,123,697 |
Electrostatic high potential system An electrostatic high potential device which utilizes the generation of etrostatic charges on moving oil to produce a high potential difference on the order of... |
| US-4,123,696 |
Signal handling apparatus Signal-processing apparatus for use with industrial instrumentation systems and the like, and comprising memory means to maintain a signal level for long time... |
| US-4,123,695 |
Pattern recognition system An automatic machine including a two-dimensional positioning table, a device for measuring the dispositions attained by the table in each of said dimensions and... |
| US-4,123,694 |
Circuit arrangement for a wiper driving motor A circuit arrangement for a wiper motor, of the type comprising a controllable switching element for switching a motor operating circuit, wherein the switching... |
| US-4,123,693 |
Transit vehicle generated voltage control apparatus and method There is disclosed a programmed microprocessor control apparatus and method for controlling the generated current of a transit vehicle electric motor in relation... |
| US-4,123,692 |
Adjustable speed electric motor drive having constant harmonic content An adjustable speed AC electric motor drive has a static inverter energized from a unidirectional power source through a semiconductor series chopper and... |
| US-4,123,691 |
Electromagnetic devices An electromagnetic device comprises an annular stator and a movable armature having a cylindrical outer surface, located within the stator, the stator having a... |
| US-4,123,690 |
Discharge lamp ballast circuit Electrical ballast circuit of improved power factor for operating gaseous discharge lamps. Two discharge lamps are respectively connected to two inductively... |
| US-4,123,689 |
Transient intermodulation ignition system A high energy ignition system makes use of induced transient voltages in an ignition transformer to intermodulate a plural number of such transients and thereby... |
| US-4,123,688 |
Spark plug cap A spark plug cap is provided for use on a spark plug of an internal combustion engine to intensify sparking across the gap between central and ground electrodes... |
| US-4,123,687 |
Display system using low energy electrons Display system using low energy electrons which are produced in the discharge of gases (plasma). For this purpose there is formed a matrix of cells each... |
| US-4,123,686 |
Ion generating source A source for generating singly and/or multiply charged ions composed essentially of a glow cathode, an intermediate electrode and an anode electrode having a... |
| US-4,123,685 |
HID lamp electrode comprising solid solution of dibarium calcium
molybdate and tungstate For HID lamps, and particularly high-pressure sodium-mercury HID lamps, the electron-emissive material portion of the lamp electrodes is a solid solution of... |
| US-4,123,684 |
Thyratrons A thyratron is provided with a baffled structure between its cathode and first control electrode. The baffled structure consists of a series (e.g. three) annular... |
| US-4,123,683 |
Elongated crossed-field switch device Crossed-field switch device has a continuous elongated closed path active plasma discharge region between adjacent electrodes. A magnet produces a magnetic field... |
| US-4,123,682 |
Cold cathode gas-discharge tube A gas-discharge tube especially adapted for use as an over-voltage arrestor containing a radioactive material for pre-ionizing the gas filling is provided in... |
| US-4,123,681 |
Wide band proportional transducer array A wide band proportional transducer array including a plurality of active oustic elements. The elements are concentrically mounted to form a conical array. A... |
| US-4,123,680 |
Piezoelectric quartz crystal products and fabrication methods therefor This disclosure relates to improved piezoelectric quartz crystal products preferably used in quartz crystal filter and resonator applications, and fabrication... |
| US-4,123,679 |
Coreless cylindrical armature for electrical rotary machines The coreless cylindrical armature has a cylindrical coil made of at least one coil unit which includes a plurality of lead wires. Each lead wire traverses at... |
| US-4,123,678 |
Laminated stator core member secured only by bonding the windings A stator member for a dynamoelectric machine is assembled by stacking laminations to form a core, squaring the stack of laminations so that one end face is... |
| US-4,123,677 |
Self-regulating transport mechanism for super-conductive rotor
refrigerant Cryogenic liquid coolant for cooling the rotor of a superconducting generator is deposited on the inner surface of a rotating conduit extending within the rotor,... |
| US-4,123,676 |
Rotor member for superconducting generator A rotor is provided for an alternating current generator carrying a superconducting field winding and having a combined damper and shield member comprising a... |
| US-4,123,675 |
Inertia damper using ferrofluid A viscous-fluid inertia damper, which damper comprises a housing composed of a nonferromagnetic material and having a chamber therein, a seismic mass containing... |
| US-4,123,674 |
Voltage peak short store system An improvement in an analog oscilloscope for an automotive ignition analyzer is disclosed. The improvement is a short store circuit which enables substantially... |
| US-4,123,673 |
Control circuit for an electrical device A control circuit for an electrical device which includes a switch that is electrically isolated from other components. The switch is connected in series with a... |
| US-4,123,672 |
Circuit arrangement for frequency division of high-frequency pulses A circuit arrangement for the frequency division of high frequency pulses in which a cyclic sequence of transistors are connected together via tapped... |
| US-4,123,671 |
Integrated driver circuit for display device An integrated driver circuit comprises a signal-generating circuit for sending forth output signals when a power source voltage is impressed thereto; a level... |
| US-4,123,670 |
Transistor switching circuit A transistor switching circuit arrangement for switching at least one switching transistor on and off wherein, in order to achieve low power dissipation by... |
| US-4,123,669 |
Logical OR circuit for programmed logic arrays An improved logical OR circuit is shown wherein the load resistance is divided into drain resistance and source resistance, each resistance having a lower value... |
| US-4,123,668 |
Automotive dome light control with variable-time automatic holding An automotive dome light control switch maintains the dome light illuminated for a first time period after a door is shut and for a second, shorter, time period... |
| US-4,123,667 |
Wave energy generator-breakwater-barge-dock A wave energy generator produces electric power from wave motion by means of a distortable underwater section thereof which has a plurality of flexible... |
| US-4,123,666 |
Rim-type hydroelectric machine The disclosure concerns a hydroelectric machine including a tube-type hydraulic machine having a bladed wheel which rotates about a horizontal axis and is... |
| US-4,123,665 |
Arrangement for determining the density of natural fog in the atmosphere An arrangement for determining the density of natural fog in the atmosphere in which a spark lamp serving also as a flashing beacon projects a beam of light... |
| US-4,123,664 |
Ozone generating apparatus An ozone generating apparatus comprises a rectangular waveform current feeding device for feeding rectangular waveform alternating current between discharge... |
| US-4,123,663 |
Gas-etching device A gas etching device comprises a vacuum vessel provided with a means for supplying into the vacuum vessel a gas containing therein oxygen atoms and a gas... |
| US-4,123,662 |
Shield bag A flexible, fabric reinforced, elastomeric bag is used to contain water for neutron shielding in nuclear reactor installations. The lower surface of the bag is... |
| US-4,123,661 |
Contrast enhancement of electron beam alignment marks High atomic number metals or compounds are used as electron beam registration alignment marks on low atomic number substrates; this combination produces enhanced... |
| US-4,123,660 |
Optical alignment apparatus for teletherapy machine or the like In conjunction with a linear accelerator or a cobalt-60 teletherapy machine disposed in a room having a head mounted for rotation about a horizontal epicenter... |
| US-4,123,659 |
Radiography In a radiographic apparatus in which a scanning X-ray tube is used it is desirable to properly relate the scanning of the X-ray origin with other scanning... |
| US-4,123,658 |
Self-powered neutron detector The present invention provides a self-powered neutron detector in which the net contribution of current generated by external gamma radiation is largely equal to... |
| US-4,123,657 |
X-ray detector An x-ray tomography apparatus has a couch for a human subject to lie on, a cylindrical capsule to enclose part of the body, a flexible water filled bag to... |
| US-4,123,656 |
Storage type smoke detector In a storage type smoke detector which requires a predetermined time after an ionization smoke sensor detects a fire before a fire warning is issued, a charging... |
| US-4,123,655 |
Arrangement for preventing the alteration of the primary beam by
unwanted particles, such as sputter products,... An arrangement relating to the prevention of the alteration of the primary eam by unwanted particles, such as sputter products, charged ions and electrons and... |
| US-4,123,654 |
Method for determining the density of bodies by means of penetrating
rays and apparatus for carrying out said... In the illustrated embodiments radiant energy at a plurality of distinct energy levels (each above 150 keV) is directed along one or more primary beam paths, and... |
| US-4,123,653 |
Arrangement for detecting the angular position of a rotatable part An arrangement for detecting the angular position for a rotatable part, for example, the printing head of an office machine comprises a shaft coupled to the... |
| US-4,123,652 |
Apparatus for reading a radiation-reflecting record carrier An apparatus is described for reading a record carrier with an optical information structure, in which apparatus errors in the focussing of a read beam on the... |
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