Battery management apparatus for portable electronic devices
The present invention is preferably utilized in connection with a patient-worn energy delivery system for imparting electrical therapy to the body of a patient responsive to an occurrence of a treatab... Read More
Inventors: Kaib, Thomas E.; Donnelly, Edward J.; Connors, Norman J.;, Assignee: Lifecor, Inc. (Pittsburgh, PA) |
Flexible carbon fiber, carbon fiber electrode and secondary energy storage devices
OF THE INVENTION In accordance with one embodiment of the present invention, as particularly illustrated in FIG. 1, there is provided a secondary battery 10 comprising a housing 12 having a generally... Read More
Inventors: McCullough, Francis P.;, Assignee: |
Lithium polymer battery charger methods and apparatus
OF THE PREFERRED EMBODIMENTS Lithium polymer battery cells are unforgiving of overcharge. An overcharged lead acid battery will electrolyze some easily replaced water, and nickel-cadmium or metal-hyd... Read More
Inventors: Merritt, Lauren V.; Teofilo, Vincent L.; Hollandsworth, Roger Paul; Rodriguez, Zaid B.; Lovgren, Jack G.;, Assignee: Lockheed Martin Corporation (Sunnyvale, CA) |
Rechargeable lithium battery having a specific pressure means comprising a polymer gel material
A principal object of the present invention is to eliminate the foregoing problems found in the prior art and to provide a highly reliable rechargeable lithium battery which is free of such problems. ... Read More
Inventors: Kawakami, Soichiro;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Polymer electrolyte
We claim: 1. A cell electrolyte material comprising polyvinylidene fluoride (PVdF) combined with a solution of a salt in a compatible solvent, wherein the PVdF is a homopolymer of sufficiently high mo... Read More
Inventors: Kronfli, Esam; Jarvis, Christine Ruth;, Assignee: Aea Technology PLC (Didcot, GB) |
Polymeric gel electrolyte
It is an object of the invention to provide novel polymeric gel electrolytes which do not have the abovementioned disadvantages, or at least to a lesser extent. When employed in a rechargeable lithium... Read More
Inventors: Hikmet, Rifat A. M.;, Assignee: U.S. Philips Corporation (New York, NY) |
V-shaped gasket for galvanic cells
The invention relates to an electrochemical cell comprising an anode electrode, a cathode electrode and an electrolyte contained in a container, said container having an open end and a closed end and ... Read More
Inventors: Tucholski, Gary R.;, Assignee: Eveready Battery Company, Inc. (St. Louis, MO) |
Melt impregnation of mixed metal oxide
OF THE PREFERRED EMBODIMENTS An electrochemical cell including a single phase mixed metal oxide synthesized as an electrode active material, such as a cathode active material, according to the presen... Read More
Inventors: Takeuchi, Esther S.; Leising, Randolph A.;, Assignee: Wilson Greatbatch Ltd. (Clarence, NY) |
Carbon based electrodes
OF THE PREFERRED EMBODIMENTS OF THE PRESENT INVENTION The electrochemical cells of the present invention generally include a cathode and the intercalation based carbon anode of the present invention.... Read More
Inventors: Barker, Jeremy; Olsen, Ib I.;, Assignee: Valence Technology, Inc. (Henderson, NV) |
Alkaline battery separator and process for producing the same
What is claimed is: 1. An alkaline battery separator comprising a hydrophilic nonwoven fabric obtainable by substantially uniformly admixing (1) polyolefin dividable composite fibers having an average... Read More
Inventors: Tanaka, Masanao; Kimura, Koji; Tokutake, Nobutoshi;, Assignee: Japan Vilene Company, Ltd. (Tokyo, JP) |
Isostatic compression method for producing solid state electrochemical cells
What is claimed is: 1. A method for manufacturing solid state electrochemical cells comprising isostatically compressing at least one cell preassembly which preassembly comprises a malleable metal ano... Read More
Inventors: Akridge, James R.; Vourlis, Harry;, Assignee: Union Carbide Corporation (Danbury, CT) |
Method for mixing LiPF.sub.6 electrolytes at elevated temperatures
OF THE INVENTION As noted above, this invention is directed to a method for mixing LiPF.sub.6 salt into an electrolyte solution suitable for forming a solid electrolyte composition while inhibiting d... Read More
Inventors: Pradhan, Bhuwon; Golovin, Milton N.; Gonzales, Jose;, Assignee: Valence Technology, Inc. (San Jose, CA) |
Method of making lithium-ion cell having deactivated carbon anodes
The problem with the anode-loaded cells and the first and second problems with the cathode-loaded cells are believed to be attributed at least in part to the presence of highly reactive carbon atoms i... Read More
Inventors: Tibbetts, Gary G.; Nazri, Gholam-Abbas; Howie, Blake J.;, Assignee: General Motors Corporation (Detroit, MI) |
Manganese oxide electrode and method
OF THE INVENTION The invention will better be understood when considered in the light of the following description of certain specific embodiments thereof which is given hereafter in connection with ... Read More
Inventors: Nazri, Gholam-Abbas;, Assignee: General Motors Corporation (Detroit, MI) |
Methods of fabricating electrochemical cells
The present invention is based, in part, on the discovery that conditioning secondary lithium ion cells at elevated temperatures reduces the time required to complete this process. Specifically, the i... Read More
Inventors: Barker, Jeremy; Cochran, Steven;, Assignee: Valence Technology, Inc. (Henderson, NV) |
Oxidation dyeing compositions containing a cationic coupling agent, novel cationic coupling agents
What is claimed is: 1. A composition for oxidation dyeing of keratin fibres comprising, in a medium suitable for dyeing, at least one coupler chosen from monobenzenic couplers of formula (I) and the a... Read More
Inventors: Genet, Alain; Lagrange, Alain;, Assignee: L'Oreal (Paris, FR) |
D.C. power source with temperature compensation
A main purpose of the present invention is, therefore, to provide a D.C. power source having a temperature compensation circuit in which variation in the voltage drop between the base and emitter of a... Read More
Inventors: Sakamoto, Jyunji; Imaizumi, Norio; Shiratani, Eisuke;, Assignee: Tokyo Sanyo Electric Co., Ltd. (Osaka, JA); Sanyo Electric Co., Ltd. (Osaka, JA) |
Television receiver
Accordingly, it is an object of this invention to provide a television receiver with a rotatable cathode ray tube which overcomes the previously mentioned problems. More particularly, it is an object ... Read More
Inventors: Kono, Kenichiro; Ogawa, Yoshio;, Assignee: Sony Corporation (Tokyo, JP) |
Ultrawide angle zoom objective
The present invention is concerned with a two-component zoom objective, and aims to provide an ultrawide angle zoom objective with the front lens members of reduced diameter, while still permitting go... Read More
Inventors: Suda, Shigeyuki; Ikemori, Keiji;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Zoom lens system of relatively high zoom ratio ranging to wide angle photography
An object of the present invention is to provide a zoom lens system with a relatively high zoom ratio ranging to a wide field angle while maintaining a compact size. Another object of the present inve... Read More
Inventors: Masumoto, Hisayuki; Ogino, Shuji;, Assignee: Minolta Camera Kabushiki Kaisha (Osaka, JP) |
Zoom lens system for minimal lens system length and minimal aberrations
An object of the present invention is to provide a zoom lens system of a positive front group and having a relatively short total length of the whole lens system. The other object of the present inven... Read More
Inventors: Masumoto, Hisayuki; Fukushima, Akira;, Assignee: Minolta Camera Kabushiki Kaisha (Osaka, JP) |
Zoom lens
It is therefore an object of the present invention to solve all the above-noted problems and to provide a zoom lens which enables manual focusing and auto focusing to be accomplished quickly and easil... Read More
Inventors: Shibayama, Atsushi;, Assignee: Nikon Corporation (Tokyo, JP) |
Zoom lens system
A primary object of the present invention is to provide a compact zoom lens system which is designed so as to have favorable optical performance without strengthening refractive powers of the lens uni... Read More
Inventors: Yamanashi, Takanori;, Assignee: Olympus Optical Co., Ltd. (Tokyo, JP) |
Wide-angle zoom lens
Accordingly, it is a primary object of the present invention, which obviates the defects inherent in the conventional wide-angle lenses, to provide a wide-angle zoom lens capable of being small in con... Read More
Inventors: Sato, Haruo;, Assignee: Nikon Corporation (Tokyo, JP) |
Inner focusing zoom lens system
In light of the above, the object of the present invention is to provide a compact zoom lens system with a shortest focal length of approximately 24 mm and capable of high magnification, which can acc... Read More
Inventors: Arimoto, Tetsuya; Ohzawa, Soh;, Assignee: Minolta Co., Ltd. (Osaka, JP) |
Zoom lens system
It is the primary object of the present invention to overcome the foregoing deficiencies in the prior art. More particularly, it is an object of the present invention to provide an ocular zoom lens sy... Read More
Inventors: Ueno, Yasunori;, Assignee: Nikon Corporation (Tokyo, JP) |
Optical apparatus for superimposing displayed visual information
According to the present invention, there is provided optical apparatus for use for example in an aircraft for superimposing displayed visual information on an observer's (e.g. pilot's) view of a scen... Read More
Inventors: Rogers, Philip J.;, Assignee: Pilkington P.E. Limited (GB) |
Visual display apparatus
In view of the above-described problems of the prior art, an object of the present invention is to provide a small-sized, lightweight and inexpensive visual display apparatus which is suitable for a w... Read More
Inventors: Togino, Takayoshi; Tabata, Seiichiro;, Assignee: Olympus Optical Co., Ltd. (Tokyo, JP) |
DC bus voltage regulation by controlling the frequency in a variable frequency inverter
The invention solves the problem of DC bus voltage overshoot under conditions of an overhauling motor. The invention is a direct current bus voltage regulator for an alternating current inverter, wher... Read More
Inventors: Joyner, Jr., F. Carl;, Assignee: Square D Company (Palatine, IL) |
Pulsed battery rejuvenator having variable trailing edge shaped pulses
The present invention comprises a modification of the pulse generating, battery rejuvenating circuit disclosed in U.S. Pat. No. 5,063,341, issued Nov. 5, 1991 to Carl E. Gali. The battery rejuvenator ... Read More
Inventors: Phommarath, Southiphone T.;, Assignee: Pulse Charge Systems, Inc. (Rockwall, TX) |
Electrical and Wave 
