Power system for electric vehicle
The present invention has been made in view of the aforementioned problems and has the object of providing a motorized vehicle power system capable of optimizing the refreshing discharge timing of the... Read More
Inventors: Terada, Junji; Yamada, Toshiaki;, Assignee: Yamaha Hatsudoki Kabushiki Kaisha (Iwata, JP) |
Charging and discharging control circuit and charging type power supply unit
The present invention aims at making a terminal for charging and discharging control have a test function as well so that a single pin has both a charging and discharging control function and a test f... Read More
Inventors: Zhang, Wei;, Assignee: Seiko Instruments Inc. (Chiba, JP) |
Battery charger
It is the object of this invention to overcome these problems by providing an "intelligent" charger which can operate independently of individual cell characteristics or temperature. Accordingly, our ... Read More
Inventors: Ettel, Victor A.; Hohercak, Jan; Nor, Jiri K.; Soltys, Josef V.; Charles, Douglas;, Assignee: Inco Limited (Toronto, CA); Norvik Technologies, Inc. (Mississauga, CA) |
Methods of controlling the application and termination of charge to a rechargeable battery
OF THE PREFERRED EMBODIMENTS The present invention is broadly directed to a method and apparatus for charging a rechargeable battery and, more particularly, to a method and apparatus for controlling ... Read More
Inventors: Falcon, Carl B.;, Assignee: Galaxy Power, Inc. A Pennsylvania Corporation (Valley Forge, PA) |
Battery charging control device and method for accurately detecting a charging end state
To solve the above conventional technical problems, it is an object of the present invention to provide a controlling device and a method for charging a battery for an electric vehicle that may improv... Read More
Inventors: Park, Hae-Woo;, Assignee: Hyundai Motor Company (Seoul, KR) |
Battery charging method
An object of the invention is to dynamically determine the resistance of the battery charging circuit. Another object of the invention is to determine dynamically while charging, the open circuit batt... Read More
Inventors: Lundstrom, John W.;, Assignee: |
Battery charging operation and a detection of a fully charged condition of the charged battery
An object of the present invention is to provide a battery charging method and a related apparatus for accurately detecting the fully-charged condition of the battery. In order to accomplish this and ... Read More
Inventors: Ishimaru, Kenrou; Takano, Nobuhiro;, Assignee: Hitachi Koki Co., Ltd. (Tokyo, JP) |
Monitoring and controlling system for battery and battery charger
In FIG. 1, there is shown a block diagram of a combination 10 including a battery-operated vehicle, a battery charger control system and a monitoring system. This combination includes: (1) an off-boa... Read More
Inventors: Langston, Charles R.; Dean, James J.; Long, Ronald E.; Hartz, Richard D.; Carrier, James L.; Jesse, Jerom James; Bauer, Mark T.; Schukar, Michael L.;, Assignee: Lester Electrical of Nebraska, Inc. (Lincoln, NE) |
Controlling re-charge of a nickel metal-hydride (NiMH) or nickel cadmuim (NiCd) battery
It is desirable to have a method of charging a NiMH or NiCd battery such that charging does not occupy a substantial amount of time and such that the overall operating temperature of the battery durin... Read More
Inventors: Hoff, C. Michael; Nelson, James E.;, Assignee: American Power Conversion (West Kingston, RI) |
Battery protective circuit
We claim: 1. A battery protection circuit that, on detecting overcharge of a battery, secures a delay by use of a capacitance element before inhibiting charging of the battery, comprising: means for d... Read More
Inventors: Fujita, Hiroyuki; Inoue, Koichi;, Assignee: Rohm Co., Ltd. (Kyoto, JP) |
Battery pack charging apparatus and method
What is claimed is: 1. A charging apparatus for charging a plurality of detachable battery packs, said charging apparatus comprising: a charging device configured to charge the plurality of battery pa... Read More
Inventors: Nishida, Junji; Manabe, Shinya;, Assignee: Ricoh Company, Ltd. (Tokyo, JP) |
Gas turbine engine starter-generator exciter starting system and method including a capacitance circuit element
The present invention relates to a gas turbine engine starter-generator that, when operating as a motor, can generate torque that is sufficiently high to start an aircraft engine. In one embodiment of... Read More
Inventors: Xu, Mingzhou; Pearson, Wayne T.; Yao, Yuan; Lengel, Jim; Anghel, Cristian E.;, Assignee: Honeywell International, Inc. (Morristown, NJ) |
Battery charger
WITH REFERENCE TO THE DRAWINGS In the following, if a voltage is stated at a particular point in a circuit, it is to be understood that such voltage is measured relative to ground. In each of FIGS. 1... Read More
Inventors: Simmonds, Neil S.;, Assignee: |
Overvoltage and backflow current protection for a battery charger
OF THE EMBODIMENTS OF THE INVENTION The embodiments of the present invention may be practiced in a variety of settings that implement a power converter, such as a direct current-direct current (DC&md... Read More
Inventors: Felder, Matthew D.;, Assignee: Sigmatel, Inc. (Austin, TX) |
Battery charge indicator
What is claimed is: 1. A battery charge monitoring means for deriving an indication of the state of charge of a defined type of battery, the monitoring means having: means for sensing a load voltage p... Read More
Inventors: Parsonage, Peter Cecil Joseph;, Assignee: Batteryguard Limited (Auckland, NZ) |
Tamper resistant circuit boards
The present invention satisfies this need by means of a physical barrier that also functions as a tampering sensor or sensors monitored by electrical circuitry that generates a tamper signal for erasi... Read More
Inventors: Gillen, Robert Joseph; Grimes, Todd Scott;, Assignee: Systran Federal Corporation (Dayton, OH) |
Auxiliary battery voltage/temperature compensation for automotive 12 volt system for electric vehicles
OF THE INVENTION Referring now to the drawings and more particularly to FIG. 1, shown thereat is an electrically powered motor vehicle 10 such as shown and described in the above referenced related p... Read More
Inventors: Blair, James W.;, Assignee: Northrop Grumman Corporation (Los Angeles, CA) |
Device for and method of switching and monitoring batteries
It is an object of the present invention to switch between parallel-connected batteries when the battery in use dies. It is another object of the present invention to switch between parallel-connected... Read More
Inventors: Rockenbauch, Craig A.;, Assignee: The United States of America as represented by the National Security (Washington, DC) |
Battery voltage measurement device
According to one aspect of the present invention, a battery voltage measurement device includes: a plurality of first switching sections, in which each pair of adjacent first switching sections sequen... Read More
Inventors: Yudahira, Hirofumi; Maki, Ichiro; Morimoto, Naohisa;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP); Toyota Jidosha Kabushiki Kaisha (Aichi, JP) |
Method for failure detection in a radio frequency device
OF THE PREFERRED EMBODIMENT It will be appreciated that for simplicity and clarity of illustration, elements shown in the figures have not necessarily been drawn to scale. For example, the dimensions... Read More
Inventors: Hagen, Rodney;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Control device for the charging of at least one battery
The present invention seeks to overcome these drawbacks by using a control device that operates based on different principles. The control device of the invention relies on the use of fuzzy logic. To ... Read More
Inventors: Le Van Suu, Maurice;, Assignee: SGS-Thomson Microelectronics S.A. (Saint Genis, FR) |
Method for determining the state of charge of rechargeable batteries by integration of the amounts of current flowing during charging and discharging
Voltage U.sub.0L is the measured voltage when no current is flowing through the rechargeable battery, and which is produced after completion of a charging process. Voltage U.sub.0E is the measured vo... Read More
Inventors: Ullrich, Matthias; Folge, Hans-Walter; Schmitz, Claus;, Assignee: Varta Automotive Systems GmbH (DE) |
Portable power supply incorporating a generator driven by an engine
Features of the present invention improve conventional engine-driven generators in portable power supplies, and, in particular, enable an improved generator to operate quietly and to provide power to ... Read More
Inventors: Fukaya, Mitsuo;, Assignee: Yamaha Hatsudoki Kabushiki Kaisha (Shizuoka, JP) |
Hardware modeling system and method of use
The present invention is an improved hardware modeling system and method of use. The hardware modeling system ("HMS") of the present invention is adaptable for connection to a host computer, which inc... Read More
Inventors: Read, Andrew J.; Papamarcos, Mark S.; Heideman, Wayne P.; Mardjuki, Robert K.; Couch, Robert K.; Jaeger, Peter R.; Kappauf, William F.; Widdoes, Jr., Lawrence C.; Scheffer, Louis K.;, Assignee: Synopsys, Inc. (Mountain View, CA) |
Rechargeable battery protection circuit
The rechargeable battery protection circuit of the present invention is provided with a switching system connected in series with the rechargeable battery, a current detection system to measure chargi... Read More
Inventors: Tamai, Mikitaka;, Assignee: Sanyo Electric Co., Ltd. (Osaka, JP) |
Power control apparatus and method for a body implantable medical device
The present invention has certain objects. That is, various embodiments of the present invention provide solutions to one or more problems existing in the prior art with respect to digital logic circu... Read More
Inventors: Schu, Carl;, Assignee: Medtronic, Inc. (Minneapolis, MN) |
Spread spectrum communication system utilizing differential code shift keying
The present invention is a spread spectrum data communication system that utilizes a modulation technique referred to as differential code shift keying (DCSK) to increase the number of bits transmitte... Read More
Inventors: Raphaeli, Dan;, Assignee: Itran Communications Ltd. (Beer Sheva, IL) |
Voltage monitoring circuit for rechargeable battery
A voltage monitoring circuit and method for use in monitoring the voltage of a rechargeable battery cell uses a time-multiplexed connection to the battery cell for alternately sampling the cell voltag... Read More
Inventors: Smith, Gregory J.;, Assignee: National Semiconductor Corporation (Santa Clara, CA) |
Adaptive per-pair skew compensation method for extended reach differential transmission
What is claimed is: 1. A differential transmission de-skew system comprising: a first delay block; a second delay block; an output port; a first subtracter, the first subtracter subtracting an output ... Read More
Inventors: Dyer, Kenneth C.; Takatori, Hiroshi;, Assignee: KeyEye Communications (Sacramento, CA) |
Time controlled battery charger
We claim as our invention: 1. In an on-board charger for an electric vehicle, the vehicle having a propulsion battery, a propulsion motor, a power converter for controlling power from the battery to t... Read More
Inventors: Bourke, Robert F.; Johansen, David K.;, Assignee: Gould Inc. (Rolling Meadows, IL) |
Electrical and Wave 
