Magnetic bridge proximity sensor
Briefly, the present invention resides in the use of a magnetic reluctance bridge with a special magnetic flux sensing element disposed to form the center reluctance path in the bridge, in combination... Read More
Inventors: Heemstra, Frank W.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Efficient simultaneous electromagnetic transmission or reception at different frequencies in electromagnetic mapping
We claim: 1. Electromagnetic exploration apparatus comprising means for simultaneously transmitting electromagnetic fields of three different frequencies, means for receiving transmitted electromagnet... Read More
Inventors: Brcic, Ivo; Burda, Valentine; Rentsch, Ulrich W.;, Assignee: Scintrex Limited (Concord, CA) |
Double deck bus
The present invention provides a double deck bus having the upper deck spaced from the lower deck to provide selected, standing headroom on the lower deck, and from the roof to provide selected sittin... Read More
Inventors: Molzon, William R.;, Assignee: Rohr Industries, Inc. (Chula Vista, CA) |
Electrochemical generator operating device with a zinc negative electrode
One of the aims of this invention is specifically to make a zinc recharging device for negative electrodes that can be used in an electrochemical generator constituting, if necessary, the recharging e... Read More
Inventors: Bronoel, Guy;, Assignee: T.R.E.G.I.E. (Rueil Malmaison, FR) |
Charger with inductive power transmission for batteries in a mobile electrical device
Starting with the indicated defect, the object of the invention is to create a solution which very reliably and by simple means detects a corresponding connected mobile device and the charge condition... Read More
Inventors: Brockmann, Hans-Jurgen; Turtiainen, Heikki;, Assignee: Perdix Oy (Helsinki, FI) |
Method of preparing small particles of polypropylene
What I claim and desire to protect by Letters Patent is: 1. A method of preparing a dispersion of polypropylene in the form of discrete substantially spherical particles of about 1 to 100 microns in d... Read More
Inventors: Blunt, Harry W.;, Assignee: Hercules Incorporated (Wilmington, DE) |
Flame-retardant additive for foamed polystyrene
I claim: 1. A flame-retarding additive for foamed polystyrene comprising 40 to 56 weight percent of halogenated hydrocarbon, 9 to 15 weight percent of antimony oxide, 14 to 22 weight percent of zinc b... Read More
Inventors: Rodish, John;, Assignee: |
Device for opening, closing and cleaning fill holes of coke oven chargeable by a coal conveyor
What is claimed as new and desired to be protected by Letters Patent is set forth in the appended claims: 1. In combination, a device for opening, closing and cleaning fill holes and a coke oven struc... Read More
Inventors: Galow, Manfred; Dahl, Klaus; Rohde, Wolfgang; Habermehl, Diethard; Kucharzyk, Werner; Siebert, Werner;, Assignee: Bergwerksverband GmbH (Essen, DE) |
Saturable reactor switch control for switching regulator power supplies
OF THE PREFERRED EMBODIMENT In switching regulator power supplies, unregulated D.C. is rapidly switched on and off to produce a pulsed D.C. that is applied to the primary winding of a transformer, th... Read More
Inventors: Forge, Charles O.;, Assignee: Boschert Associates (Sunnyvale, CA) |
Semiconductor liquid junction photocell using surface modified GaAs electrode
The cell structure of FIG. 1 comprises a container 20, liquid electrolyte 21, counter electrode 22, which in our devices is carbon, although other inert materials may be used, and the photoactive n-t... Read More
Inventors: Heller, Adam; Miller, Barry; Parkinson, Bruce A.;, Assignee: |
Control system for tracking a moving target
OF THE PREFERRED EMBODIMENTS The preferred embodiment of the invention is described hereinbelow in relation to a gun fire control system. The gun fire control system could be one used in a tank equip... Read More
Inventors: Clement, Gilbert L.; Buttman, Rene F.;, Assignee: Etat Francais (FR) |
Device for indicating the rate of charge in an AC generator
Accordingly, it is a general object of the present invention to obviate the disadvantages of the prior art devices described above. It is another object of the present invention to provide a device fo... Read More
Inventors: Masutani, Takayoshi;, Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha (Aichi, JP) |
Optical tracer back-up circuit
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. In a pattern tracing system, a circular scanning electro-optical scanner having a cen... Read More
Inventors: Vali, Enn;, Assignee: Westinghouse Canada Limited (Hamilton, CA) |
Actuating means for a flap in motor vehicles
I claim: 1. An actuating mechanism for a flap in motor vehicles, having an electric step motor for adjusting the flap between two end positions fixed by limit stops, the flap being adjustable to a des... Read More
Inventors: Rathgeber, Gerhard;, Assignee: Bayerische Motren Werke A.G. (Munich, DE) |
Methods and apparatus for producing electrical batteries
OF PREFERRED EMBODIMENT The steps of the method depicted in FIG. 1 are as follows. Along a circle-shaped course 1 are found three work stations, namely a feeding or intake station 2, a fluxing proces... Read More
Inventors: Borjesson, Anders; Narbro, deceased, Alf;, Assignee: Aktiebolaget Tudor (Sundbyberg, SE) |
Apparatus for converting light signals into digital electrical signals
Accordingly, it is an object of the present invention to provide an apparatus for converting light with wide dynamic range, especially, very weak light accurately into a digital electrical signal by e... Read More
Inventors: Maeda, Yoshio;, Assignee: Hitachi, Ltd. (JP) |
Probe for a radiometer
It is accordingly one object of this invention to provide apparatus for measuring the intensity of light in a zone immediately adjacent the surface of a solid. It is another object of this invention t... Read More
Inventors: Wooten, Robert D.; Walker, Delroy O.; Hill, James D.;, Assignee: Fusion Systems Corporation (Rockville, MD) |
Reference voltage sources
What is claimed is: 1. A bipolar reference voltage source comprising: a pair of ratio-matched transistors arranged to pass respective currents having different predetermined current densities at the r... Read More
Inventors: Ryder, Alan;, Assignee: The Solartron Electronic Group Limited (Farnborough, EN) |
Combination flashlight and circuit tester
Briefly, the above and other objects of the invention are attained in one aspect thereof by providing a combination flashlight and circuit tester which includes a generally tubular cylindrical housing... Read More
Inventors: Ponte, Raymon;, Assignee: |
Apparatus for charging camera cells through flash bulb package receptacle
The foregoing and other objects and advantages which will be apparent in the following detailed description of the preferred embodiment are achieved by the invention disclosed herein, which generally ... Read More
Inventors: Sugalski, Raymond K.;, Assignee: General Electric Company (Gainesville, FL) |
Electromagnetic power generator
OF THE PREFERRED EMBODIMENT In FIG. 1 of the drawings, a schematic illustration of a truck is given with only the major components of the inventive low tire pressure alarm system, namely a wheel unit... Read More
Inventors: Pappas, Dennis G.; Baum, Matthew C.; Small, Samuel N.; Adams, Robert T.; Freedman, Robert P.;, Assignee: Pappas; Dennis G. (New York, NY) |
Programmable shunt voltage regulator circuit
What is claimed is: 1. A shunt regulator circuit having an output terminal, a sample voltage terminal and a common terminal and comprising: a. a reference voltage generator means having a pair of tran... Read More
Inventors: Stepp, Elvin Duane; Talley, James Reggie;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Semiconductor circuits for generating reference potentials with predictable temperature coefficients
What is claimed is: 1. A reference potential generator comprising: first and second and third terminals; bias means for tending to increase the potential between said first and said second terminals; ... Read More
Inventors: Ahmed, Adel Abdel Aziz;, Assignee: RCA Corporation (New York, NY) |
Self-starting amplifier circuit
What is claimed is: 1. In a circuit comprising first and second terminals for application of an operating potential therebetween; first and second current amplifiers, each amplifier having an input an... Read More
Inventors: Ahmed, Adel Abdel Aziz;, Assignee: RCA Corporation (New York, NY) |
Crossover and spectral preemphasis networks for adaptive inverse control
The present invention relates to a feedback control system providing an adjusted command signal to a plant. The plant controls a subsystem and provides a feedback signal representative of the subsyste... Read More
Inventors: Thoen, Bradford K.;, Assignee: MTS Systems Corporation (Eden Prairie, MN) |
Switching regulator
It is an object of the present invention to provide a switching regulator which overcomes the difficulties encountered in the prior art switching regulator and which has an improved falling voltage ch... Read More
Inventors: Kaku, Masaro; Sawaki, Yasumasa; Ando, Kunio;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Low power CMOS reference generator with low impedance driver
The present invention is a CMOS, low power, low output impedance, on-chip, voltage reference. The invention includes a preamplifier coupled to the output terminal of a high output impedance on-chip vo... Read More
Inventors: Shu, Lee-Lean; Shyu, Tai C.; Chuang, Patrick T.;, Assignee: Advanced Micro Devices, Inc. (Sunnyvale, CA) |
Output stage current limit circuit
In the amplifier output stage of the present invention, current limiting is provided without sacrificing output swing, because the current is not sensed by a resistor connected in series with the coll... Read More
Inventors: Hester, Richard E.; Ngo, Tuan;, Assignee: VTC Incorporated (Bloomington, MN) |
Integrated circuit with on-chip voltage converter
What is claimed is: 1. An integrated circuit comprising an external and an internal supply terminal and a voltage converter which is connected between said terminals in order to apply a voltage to the... Read More
Inventors: Pfennings, Leonardus C. M. G.;, Assignee: U.S. Philips Corp. (New York, NY) |
Focussing error detection device for use in optical disk type recording system
What is claimed is: 1. A focussing error detection device for use in an optical disk type recording system wherein a light beam is converged by objective lens means onto a recording surface of a disk ... Read More
Inventors: Uejima, Atsushi;, Assignee: Fuji Photo Film Co., Ltd. (JP) |
Electrical and Wave 
