Method and apparatus for managing alternator loads on engines
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A method of managing loads on an engine equipped with a chargeable battery that has a... Read More
Inventors: Yoshida, Louis T.; Poland, Robert L.;, Assignee: |
Automatic polarity and condition sensing battery charger
The present invention discloses a battery charging device adapted to be connected to a battery having a positive and a negative terminal for supplying a direct current to the positive terminal of the ... Read More
Inventors: Whiting, John S.; Dickey, Chris C.;, Assignee: Century Mfg. Co. (Minneapolis, MN) |
Shunt resistance device for monitoring battery state of charge
What is needed therefore, is a device that minimizes the length of the conductors that connect the shunt resistor to the current monitoring unit, thereby reducing the effect of EMI and enabling the cu... Read More
Inventors: Batson, David C.;, Assignee: PowerSmart, Inc. (Needham, MA) |
Battery state monitoring circuit
In order to solve the foregoing problem, according to the present invention, a circuit is added to cancel a charge inhibiting signal of the CTL terminal 13A in a case where the VMP terminal 12A comes ... Read More
Inventors: Yokota, Hiroyasu; Sakurai, Atsushi;, Assignee: Seiko Instruments Inc. (Chiba, JP) |
System for supplying power to an apparatus and method for the assessment of the lifetime and capacity of a power-storage device
The invention claimed is: 1. An apparatus for assessing the lifetime and capacity of a power storage means for supplying power to a device, said apparatus comprising: a first measuring means for measu... Read More
Inventors: Meyerdirks, Herbert; Pietschmann, Walter;, Assignee: International Business Machines Corporation (Armonk, NY) |
Current leakage detection in high voltage battery pack
The invention claimed is: 1. A method of detecting a current leakage path in a high voltage battery pack having a plurality of serially connected battery modules, comprising: (A) connecting a first se... Read More
Inventors: Jin, Jizeng;, Assignee: Ford Global Technologies, LLC (Dearborn, MI) |
Method and apparatus for monitoring the self discharge of a secondary battery upon completion of a charge cycle
According to the present invention, a battery charger monitors the terminal voltage of a secondary battery without appreciably depleting the energy stored therein. A battery connected to the battery c... Read More
Inventors: Mercer, Mark J.;, Assignee: National Semiconductor Corporation (Santa Clara, CA) |
Bandgap reference circuit
In accordance with the present invention, a self-starting bandgap reference circuit is provided. "Self-starting" is related to two main factors: an op amp with a negative offset regardless of conditio... Read More
Inventors: Prinz, Francois X.; Aioanei, Ovidiu;, Assignee: Fairchild Semiconductor Corporation (South Portland, ME) |
Battery charger where the charge current rate is set by a switch modulated with a variable duty cycle
To address the above-discussed deficiencies of the prior art, the present invention provides, for use in a battery-powered electronic device, a battery charging circuit, a method of charging a battery... Read More
Inventors: Cannon, Joseph M.; Crisafulli, George A.;, Assignee: Agere Systems Guardian Corp. (Orlando, FL) |
Plural comparator indicator of battery voltage
What I claim is: 1. A battery charge capacity indicator for providing an indication of charge capacity of said battery comprising: a pair of battery connecting terminals; voltage divider network means... Read More
Inventors: Paredes, Alfredo E.;, Assignee: Konar Corporation (Miami, FL) |
Charge status indicator
This object is accomplished by a circuit arrangement for indicating the charge status of a battery in an electrical appliance, in which the circuit arrangement includes a voltage comparator with hyste... Read More
Inventors: Lang, Gerhard;, Assignee: Braun Aktiengesellschaft (Kronberg, DE) |
Method of determining and displaying battery charge status
OF EMBODIMENTS Referring first to FIG. 1 of the drawings, a load 2 is concerned to a battery (accumulator) B by means of an On/Off switch S and an electronic switching device 21. The battery B can be... Read More
Inventors: Bergk, Gunther; Cimbal, Jochen;, Assignee: Braun Aktiengesellschaft (Frankfurt am Main, DE) |
Status indicator for battery charger
What is claimed is: 1. Apparatus for indicating multiple operating states of a battery charger providing a charging voltage across positive and negative output leads comprising: (a) a dual-color indic... Read More
Inventors: Dernehl, James U.;, Assignee: |
Method of and apparatus for setting battery alarm voltage in battery management server
It is an object of the present invention to solve at least the problems in the conventional technology. The apparatus for setting a battery alarm voltage according to one aspect of the present inventi... Read More
Inventors: Hasegawa, Susumu;, Assignee: Fujitsu Limited (Kawasaki, JP); Fujitsu Frontech Limited (Tokyo, JP) |
Portable charging device for coupling portable phones to vehicle and for attaching portable phones to user
The primary objective of the present invention is to provide a portable charging device for receiving and carrying the portable phones or mobile phones. The other objective of the present invention is... Read More
Inventors: Li, Kai Man;, Assignee: Canhold International Ltd. (Hong Kong, HK) |
Disabling circuit for an iontophoretic system
The present invention advantageously prevents any delivery of drugs to the patient when the power supply voltage falls below a certain level, by disabling the current control circuit upon the detectio... Read More
Inventors: Flower, Ronald J.;, Assignee: Drug Delivery Technologies, Inc. (New York, NY) |
Two lead universal defibrillation, pacing and sensing system
The invention provides an implantable cardiac stimulation system capable of sensing electrical activity of the heart in all four chambers of the heart and delivering pacing and defibrillation pulses t... Read More
Inventors: Helland, John R.; Bornzin, Gene A.; Falkenberg, Eric;, Assignee: Pacesetter, Inc. (Sylmar, CA) |
Power supply system for portable electronic devices
Accordingly, it is an object of the present invention to provide a novel power supply system for a portable electronic device having a rechargeable battery, which adjusts the battery charging current ... Read More
Inventors: Lee, Chang-Hum;, Assignee: SamSung Electronics Co., Ltd. (Suwon, JP) |
Intelligent power management for rechargeable batteries
An electronic device battery pack for a battery requiring cycling to prolong lifetime is divided into at least two parallel cells for which the charging state is automatically maintained. When externa... Read More
Inventors: Meador, James Chester;, Assignee: STMicroelectronics, Inc. (Carrollton, TX) |
Power supply control system
Accordingly, it is an object of the present invention to provide an electric-power supply control system flexible enough to meet various demands relating to various loads. Another object of the Presen... Read More
Inventors: Miyazaki, Hideki; Yamato, Ikuo; Onda, Kenichi; Matsuda, Yasuo; Morita, Yuzo; Shirahama, Hidefumi; Tokunaga, Norikazu; Suzuki, Yutaka;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Multi-mode renewable power converter system
The main object of the present invention is to provide a multi-mode renewable power converter system that is able to convert DC power from PV array to AC to suit the different power requirements for b... Read More
Inventors: Sung, Chang-Che;, Assignee: Phoenixtec Power Co., Ltd. (Taipei, TW) |
Integrated conductance and load test based electronic battery tester
An electronic battery tester for testing a storage battery includes first and second Kelvin connections configured to couple to the battery. A forcing function applies a time varying signal to the bat... Read More
Inventors: Troy, Michael E.; Bertness, Kevin I.;, Assignee: Midtronics, Inc. (Willowbrook, IL) |
Data acquisition instrument architecture with flexible data acquisition, processing and display
In accordance with the preferred embodiment of the present invention an electronic instrument includes instrument hardware. A data acquisition engine schedules time sharing of the instrument hardware.... Read More
Inventors: Stark, Donald Wilson;, Assignee: Agilent Technologies, Inc. (Palo Alto, CA) |
Motor control using third harmonic stator voltage signal
A number of inventions are described herein. The invention of this application provides a system for controlling a BPM motor utilizing the third harmonic component of the stator phase voltages. In an ... Read More
Inventors: Moreira, Julio C.;, Assignee: Whirlpool Corporation (Benton Harbor, MI) |
Method and system for controlling an alternator to optimize direct current output
What is claimed is: 1. For use with an alternator having a stator winding including a plurality of coils and a first output and a second output, the alternator further having a first rectifier connect... Read More
Inventors: Liang, Feng; Miller, John Michael; Xu, Xingyi;, Assignee: Ford Motor Company (Dearborn, MI) |
Power supply system
The present invention is made in light of the foregoing problems, and it is an object of the present invention to provide a power supply system including a semiconductor switching element which has a ... Read More
Inventors: Umeda, Atsushi; Taniguchi, Makoto; Kusase, Shin;, Assignee: Nippondenso Co., Ltd. (Kariya, JP) |
Generating apparatus for providing different rated output voltages to a plurality of electric loads
The present invention is made in view of the above problems, and has a main object of providing a generating apparatus which is able to supply high-voltage loads and low-voltage loads at the same time... Read More
Inventors: Taniguchi, Makoto; Umeda, Atsushi; Kusase, Shin;, Assignee: Nippondenso Co., Ltd. (Kariya, JP) |
Sensorless power angle control for a vehicle alternator
An alternator of present invention comprises a field winding, stator windings, a controlled full wave rectifier bridge (i.e., an "active" bridge), and a dc output. The controlled bridge includes six s... Read More
Inventors: Crecelius, David R.;, Assignee: Delco Remy America, Inc. (Anderson, IN) |
Regulation system for a permanent magnet generator
What is claimed is: 1. A regulation system for a permanent magnet generator for generating electrical power and for supplying the electrical power to a load, the regulation system comprising: a switch... Read More
Inventors: Lindbery, John R.; Mehrayin, Kourosh; Reichard, Jeffrey A.;, Assignee: Solar Turbines Incorporated (San Diego, CA) |
Battery charging apparatus and method with charging mode convertible function
It is therefore an object of the present invention to provide an improved mode convertible battery charging process and battery charger. It is another object to provide a mode convertible battery char... Read More
Inventors: Lee, Chang-Hum;, Assignee: SamSung Electronics Co., Ltd. (Suwon, KR) |
Electrical and Wave 
