means (Total 261855 Patents Found)

A method of manufacturing a scandate dispenser cathode having a matrix at least the top layer of which at the surface consists substantially of tungsten (W) and scandium oxide (Sc 2 O 3 ) and with emitter material in or below said matrix. If said method comprises the following steps: (a) compressing a porous plu...
A lifting device, including: a base pedestal; a stand located above the base pedestal; a carriage for lifting a laboratory apparatus; and lifting structure for lifting a carriage along the stand, the lifting structure including: a rotatable inertial mass located within the base pedestal; a movable actuating lever conne...
An adjustable shoulder anchorage assembly comprises a vertically extending track mounted on the interior of a vehicle body above the level of the shoulders of an occupant of an adjacent seat and a traveller mounted on the track and carrying a guide member having a slot for receiving the strap of a safety belt. An L-sha...
A surface potential measuring meter and an electrostatic recording apparatus are disclosed. The surface potential measuring meter detects the surface potential on an object to be measured as AC signal. The electrostatic recording apparatus is provided with the surface potential measuring meter to measure the surface po...
A circuit and apparatus are provided for the protected supply of a load using static and electromechanical switches. A switch apparatus having current limiting properties is opened by remote control means after a very short delay, following disabling of a static switch system placed in series therewith and connected in...
Ultrasonic inspection of a structure such as steel tubing is enhanced by moving the ultrasonic wave transmitter and receiver through the pipe and periodically injecting an ultrasonic pulse into the tube. Reflected waves are received during a sample period after each pulse injection. By proper selection of linear displa...
Reduced transient power dissipation and reduced variation of the transient power dissipation are obtained in high frequency power amplifiers, e.g., CRT horizontal deflection amplifiers, by sampling the amplifier output at and/or during the turning-off interval (e.g., during the storage time when transient power dissipa...
An diaphragm electrolytic cell for decomposing brine into free chlorine gas for distribution in a water pool against varying gas pressure. The cell has a brine inlet column, a liquid product discharge column, and a chlorine withdrawal column extending above the cell, with the brine inlet column vented to the atmosphere...
An improved process for storing the off-peak electrical output of an electricity generating plant in the form of heat by using said off-peak electrical output to raise the temperature level of a quantity of stored low vapor pressure thermal energy retention material and recalling said stored heat during periods of peak...
An atrial tracking dual-chamber pacemaker and method of use thereof for terminating a pacemaker-mediated tachycardia (PMT). The pacemaker includes means for determining whether the present heart rate exceeds a tachycardia reference rate, and if so, whether a PMT-indicating sequence of a tracked P-wave, including a retr...
An amplifier circuit for detecting low level signals of positive or negative amplitude, and for producing an output pulse whenever the input signals exceed a predetermined threshold level. The threshold level, or sensitivity of the amplifier circuit, is established through use of a pair of operational transconductance ...
In an integrated optical arrangement, such as a photoelectric position measuring arrangement, a diffraction grid is scanned by light beam diffraction by a scanning unit having a laser. A light beam bundle emanating from the laser is split by the diffraction grid into two diffraction beam bundles, which are inserted int...
A pneumatic control system, control unit and method of making the same are provided, the system comprising a pneumatic source, a pneumatically operated device that produces an output, and a control unit for interconnecting the source to the device. The control unit has an input interconnected to the source and an outpu...
A method for carrying out nitrogen analysis by ionization mobility spectroscopy at concentrations of few parts per billion (ppb) in argon is described. The method involves the addition of hydrogen in concentration of at least 5 ppb and lower than 100 parts per million (ppm) to the argon to be analyzed; the hydrogen add...
An electrical heating arrangement for a motor vehicle comprises a heating resistor that is energizable directly by the power generator provided that within a network of consuming devices failure has been detected and also provided that essential elements of the network such as battery or engine temperature are within p...
A fabric washing machine has a container for fabrics and fluid to wash the fabrics. A switched reluctance motor is connected to the container. The motor is operated at a constant torque and the time needed to accelerate the container and a load of fabrics from one speed to a higher speed is measured. The measurement ma...
A device for the line-by-line electrical analysis of an image. It comprises a piezo-electric medium associated with a semiconductor medium scanned by the interaction of two elastic waves propagated at the surface of the piezoelectric medium, and an electrode network. The electrodes are disposed on the semiconductor med...
An electric device having rotary type current collecting means through electric source cord which is made freely rotatable with respect to variations in using position of the device for preventing any twist of the cord. The means comprises an integral block of a first carrier of current feeding conductor connected to t...
A receiver protector is described incorporating a waveguide containing several isolation stages followed by at least one iris plate filter. The invention overcomes the problem of RF or microwave leakage power of out-of-band frequencies some of which may be generated by non-linear elements in the prior isolation s...
An electronic apparatus such as an electronic calculator has a detachable electric member such as an external memory card and, to avoid unfavorable effects such as destruction of memory at attaching or detaching of the electric member, the apparatus is provided with a switch which automatically turns off the power supp...
A driving device utilizes first and second driving units which drive an object when the operating speed of a manual operation member detected by a pulse signal are less than and not less than, respectively, a predetermined speed. The first driving unit drives the object based on the pulse signal and the second driving ...
A power transformer is provided with a housing having a plurality of apertures for receipt of a bushing well of a bushing assembly. Each bushing assembly includes a bushing well adapted to be secured in one aperture of the power transformer, and a bushing adapted to be connected to a terminal in the bushing well to per...
Frame means comprising a collar-like assembly for connecting or attaching sheet members or walls, such frame means used especially in various types of structures formed by connected members having a space therebetween which may be filled with a filler material for some purpose, e.g., insulated containers like freezer c...
A basket-style carrier with means for maintaining the carrier open during loading. The carrier includes a retainer tab foldably connected to at least one end panel of the carrier. When the tab is folded inwardly transversely of the end panel, it maintains the carrier in open condition until the articles being loaded re...
A video memory device is provided with a memory circuit, a write control circuit for controlling writing to the memory circuit by utilizing the horizontal synchronizing signal of a video signal input to the memory circuit, and a read control circuit for controlling reading from the memory circuit by utilizing the horiz...
The present invention provides a method for injecting a fluid into a geological formation so as to form a barrier of said fluid along a predetermined surface having an elongate shape, the direction of elongation of this surface, or main direction, being distinct from the vertical. Said method consists in injecting said...