Method for generating a continuously variable reference signal for controlling battery cell charging
OF THE PREFERRED EMBODIMENT As will be apparent to those of ordinary skill in the art, the power supply system in accordance with the present invention provides several advantages over known power su... Read More
Inventors: Sengupta, Upal; Turnbull, Robert R.; Shah, Rajesh A.; Fritz, Brian Carl;, Assignee: Packard Bell Nec (Sacremento, CA) |
Method and apparatus for measuring sheet resistance and thickness of thin films and substrates
OF THE PREFERRED EMBODIMENTS A prior art four point probe measurement system was shown in FIG. 1. In FIG. 2, an apparatus for measuring sheet resistance and film thickness 20 is shown for the present... Read More
Inventors: Cheng, David;, Assignee: |
Circuit for determining the internal resistance of a linear lambda probe
The object of the invention is to improve the measurement of the impedance (of the internal resistance) Ri of a linear lambda probe and to reduce the error in the rectification of the AC voltage signa... Read More
Inventors: Bolz, Stephan;, Assignee: Siemens Aktiengesellschaft (Munich, DE) |
Sensor system having abnormality detecting circuit for detecting abnormality of sensor system from outputs of signal processing circuits
The present invention has been made in view of the above circumstances and has an object to provide a sensor system which reliably detects an abnormality thereof, with a simple construction and low co... Read More
Inventors: Yokotani, Masahiro; Fukui, Wataru; Hiraoka, Naoki; Wada, Shunichi;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Apparatus and method for motion-based activation of a voltage regulator
What is claimed is: 1. A voltage regulator comprising: a voltage regulation unit adapted to control a field current of a current generator, the voltage regulation unit having an activation input adapt... Read More
Inventors: Harmon, Jack Douglas;, Assignee: Delphi Technologies, Inc. (Troy, MI) |
Power FET driving circuit
The foregoing objects are achieved according to one embodiment of the invention by using a power FET control circuit which provides on two different outputs two pulse control signals shifted 180.degre... Read More
Inventors: Montorfano, Gianpaolo;, Assignee: Honeywell Information Systems Italia (Milan, IT) |
System for controlling drive of stepping motor
An object of the present invention is to overcome the above drawbacks and thereby to provide a drive control system for stepping motor arranged so that while an input reference voltage for driving a m... Read More
Inventors: Ikeda, Tetsuhito;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Battery and solar powered refrigerating system
It is therefore the primary object of the present invention to overcome the above problems of the prior art. Another object of the present invention is to provide a high efficiency refrigeration syste... Read More
Inventors: Strathman, Ronald L.;, Assignee: |
Solar powered refrigeration unit
We claim: 1. A solar powered refrigeration unit, including; an array of photovoltaic cells connected in series-parallel configuration, a trio of panel members hingably joined in a folding assembly, me... Read More
Inventors: Miller, Albert J.; Kortzeborn, Robert;, Assignee: Helio-Therm, Ltd. (Los Gatos, CA) |
Superconducting VAR control
To enable utilization of the low loss superconducting reactor, it is necessary to enable VAR control with very little change in the current through the superconductor. In conventional six and twelve-p... Read More
Inventors: Boenig, Heinrich J.; Hassenzahl, William V.;, Assignee: The United States of America as represented by the United States (Washington, DC) |
Power DMOS transistor with high speed body diode
Shown in FIG. 6 are identical DMOS transistors 80, 90 formed on N+ type substrate 100. Substrate 100 also acts as a drain for transistors 80, 90. Grown on substrate 100 is N type epitaxial layer 102.... Read More
Inventors: Cogan, Adrian I.;, Assignee: Siliconix incorporated (Santa Clara, CA) |
Gate multiplexed low noise charge pump
The present invention provides method and apparatus for improving charge pump performance. The charge pump improves performance by reducing noise coupled from power supplies as well as providing for a... Read More
Inventors: Ruetz, J. Eric;, Assignee: Samsung Semiconductor, Inc. (San Jose, CA) |
Charge pump with high output current
In accordance with the present invention, a charge pump circuit is provided that enables the conversion of a low voltage to a higher voltage while delivering a substantial amount of current. The charg... Read More
Inventors: Bajwa, Asim A.; Chevallier, Christophe J.;, Assignee: Catalyst Semiconductor, Inc. (Santa Clara, CA) |
Vehicle instrument panel lamps, improved pulse width dimmer system therefor
OF A PREFERRED EMBODIMENT FIG. 1 illustrates in a partial pictorial, partial schematic diagram, a prior art vehicle Lamp Intensity Control System 10 described in a co-pending patent application Ser. ... Read More
Inventors: Dean, Patrick D.; Sabbah, Abbas T.;, Assignee: Chrysler Corporation (Highland Park, MI) |
Vehicle instrument panel lamps, pulse width dimmer system therefor
OF A PREFERRED EMBODIMENT Referring now to FIG. 1A, this figure depicts a prior art pulse width modulated vehicle lamp dimmer system 1. System 1 includes a 12 power supply source 2, a microcontroller... Read More
Inventors: Dean, Patrick D.; Sabbah, Abbas T.;, Assignee: Chrysler Corporation (Highland Park, MI) |
Battery pack with short circuit protection
The present invention was developed to correct the drawbacks of prior art battery packs. It is thus the primary object of the present invention to provide a battery pack that has a battery pack-electr... Read More
Inventors: Hashimoto, Hisashi; Tamai, Mikitaka;, Assignee: Sanyo Electric Co., Ltd. (Osaka, JP) |
Power converting device for reducing an induction problem
The present invention has been conceived in view of the above-specified problems and has an object to reduce the adverse influence due to a higher harmonic current generated by a power converter, with... Read More
Inventors: Horie, Akira; Saitou, Syuuji; Matui, Takayuki; Itoh, Ken; Tsuboi, Takashi; Toyota, Eiichi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Dual A/C and D/C input powered portable battery charger
What is claimed is: 1. A portable dual power battery charger for charging a rechargeable battery having power input terminals, the battery charger comprising: (a) a battery charger shell; (b) a first ... Read More
Inventors: Chen, Solomon; Mkhitarian, Harry;, Assignee: Superior Communication Products Inc. (Covina, CA) |
AC-powered recharging device for cigarette lighter-adapted rechargeable appliances
OF THE INVENTION FIG. 1 illustrates in a representational manner the configuration of known recharging devices which are structured to employ AC power to recharge a cigarette lighter-adapted recharge... Read More
Inventors: Lee, Martin;, Assignee: Conwave, Inc. (Jackson, WY) |
Method of displaying a local time of a called party in a portable mobile terminal
Accordingly, it is an object of the present invention to provide a method of displaying a local time of a called party in a portable mobile terminal. It is another object of the present invention to p... Read More
Inventors: Oh, Hae-Seok;, Assignee: Samsung Electronics Co., Ltd. (KR) |
Method and apparatus for removing deposits from highly heated surfaces
OF PREFERRED FORM OF THE INVENTION FIGS. 1 and 2 illustrate somewhat diagrammatically a long travel sootblower 12 which conforms generally to the construction of sootblowers of the well-known "IK" ty... Read More
Inventors: Hammond, Charles W.;, Assignee: The Babcock & Wilcox Company (New Orleans, LA) |
Method and device for monitoring deterioration of battery
What is claimed is: 1. A method for monitoring deterioration of a battery comprising the steps of storing a reference value of average battery temperature rise speed, measuring the initial temperature... Read More
Inventors: Ito, Masaki;, Assignee: Yamaha Hatsudoki Kabushiki Kaisha (Iwata, JP) |
Battery capacity calculator and method of calculating battery capacity
To address the above-discussed deficiencies of the prior art, the present invention provides a system for, and method of, calculating a capacity of a rechargeable battery having an initial terminal vo... Read More
Inventors: Berthoud, Charles W.; Hobbi, Mohd M.; Jampanaboyana, Lakshmi N.;, Assignee: Lucent Technologies, Inc. (Murray Hill, NJ) |
Reserve battery
The present invention provides a portable reserve battery for use as an independent means available to a stranded motorist to recharge his car battery a sufficient amount to enable restarting the car.... Read More
Inventors: Theiss, George H.;, Assignee: Power Cell, Inc. (Dallas, TX) |
Automotive battery and electrical system
Accordingly, one aspect of the invention provides a battery including a container, one or more cells in the container, each said cell having therein at least one positive plate and at least one negati... Read More
Inventors: Witehira, Pita;, Assignee: |
Solar powered pumping system
In accordance with the invention, a solar water pumping system is provided which utilizes amorphous solar panels and custom circuitry to control and optimize the water pumping system. It is therefore ... Read More
Inventors: Cowan, Thomas;, Assignee: |
Electrical power generating system
I claim: 1. An electrical generating system comprising: an induction motor/generator device having a power shaft and a pair of power terminals; rotary power means for coupling a rotating movement to s... Read More
Inventors: Nola, Frank J.;, Assignee: The United States of America as represented by the Administrator of the (Washington, DC) |
Radar apparatus of automotive vehicle for producing accurate beam axis correction value
An object of the present invention is to provide an improved radar apparatus in which the above-described problems are eliminated. Another object of the present invention is to provide a radar apparat... Read More
Inventors: Kubota, Yuichi; Tokoro, Setsuo;, Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota, JP) |
Computer system host adapter for controlling signal levels to peripheral cards
OF PREFERRED EMBODIMENTS Mixed Voltage Bi-directional I/O Buffer The present invention includes a method and apparatus for a low power CMOS bi-directional (input and output or I/O) device typically l... Read More
Inventors: Richter, Bryan M.; Smith, Stephen A.; Assar, Mike; Kashmiri, Abdul Q.; Clark, Jerry L.; Singhal, Dave M.;, Assignee: Cirrus Logic, Inc. (Fremont, CA) |
Voltage regulator with clamping circuit
It is, therefore, a primary object of the present invention to provide a circuit so that a low-voltage rated power switch can be used to improve circuit efficiency. It is another object of the present... Read More
Inventors: Qian, Jinrong;, Assignee: Koninklijke Philips Electronics N.V. (Eindhoven, NL) |
Electrical and Wave 
