31
Bruce G Harvey: Power supply with automatic charge measuring capability. Motor Appliance Corporation, Howell & Haferkamp L C, April 15, 1997: US05621298 (140 worldwide citation)

A power supply having a battery and a battery charger is disclosed which includes a discharge circuit for automatically measuring the battery charge without taking the battery out of service and without draining the battery below the minimum safe charge level necessary to operate a piece of equipmen ...


32
Ziva Averbuch, Rod Averbuch: Method and apparatus for downloading updated software to portable wireless communication units. Motorola, Christopher P Moreno, November 18, 1997: US05689825 (140 worldwide citation)

A portable wireless communication unit (101) is coupled to battery charger/software downloader (108) via a unit interface (304). Upon detecting a flag (402) in the portable wireless communication unit, a software downloader that includes a processing unit (300) connected to a land-based public commu ...


33
George A O Sullivan, Joseph A O Sullivan: Multimode power processor. Abacus Controls, Klauber & Jackson, July 27, 1999: US05929538 (137 worldwide citation)

In one embodiment, a power processor which operates in three modes: an inverter mode wherein power is delivered from a battery to an AC power grid or load; a battery charger mode wherein the battery is charged by a generator; and a parallel mode wherein the generator supplies power to the AC power g ...


34
John Walley, Jeyhan Karaoguz, Ahmadreza, Nambirajan Seshadri, Reinier Van Der Lee: Device with integrated wireless power receiver configured to make a charging determination based on a level of battery life and charging efficiency. BROADCOM CORPORATION, Garlick & Markison, Harry S Tyson Jr, March 7, 2017: US09590444 (136 worldwide citation)

A device includes an integrated power receive circuit, a battery charger, a battery, a processing module, one or more input/output modules, and one or more circuit modules. The integrated power receive circuit is operable to generate a DC voltage from a received magnetic field in accordance with a c ...


35
James W Williams: Battery charger with three different charging rates. General Electric Company, Nixon & Vanderhye, June 2, 1987: US04670703 (136 worldwide citation)

A circuit for safely and rapidly charging batteries, with the charging occurring at three different rates. A first rate is used to bring a battery up to a level where it is determined to be safe for rapid rate charging. At this charge level the temperature of the battery may also be checked to be su ...


36
Charles E Harm, Kenneth J Timm: Battery charger with thermal runaway protection. AT&T Bell Laboratories, Alfred G Steinmetz, May 25, 1993: US05214370 (136 worldwide citation)

A battery charger control includes a thermal sensor attached to the battery being charged. If the temperature readings indicate a thermal runaway condition the charging current output is adjusted in accord with the temperature reading by means of voltage injeciton into an output sense lead of the ch ...


37
Hatem Zeine, Anas Alfarra, Dale Mayes, Fady El Rukby, Samy Mahmoud, John B Springer, Benjamin Todd Renneberg, Prithvi Shylendra, Anthony L Johnson, Douglas Wayne Williams: Wireless charging with multiple power receiving facilities on a wireless device. Ossia, Setter Roche, April 11, 2017: US09620996 (135 worldwide citation)

The disclosed system utilizes multiple wireless power receivers (antennas and or paths) for receiving power. The disclosed system includes a chip, such as an application specific chip (ASICs) connectable to multiple antennas and units to convert radio frequency (RF) power into direct current (DC) po ...


38
Thomas J Dougherty, Michael E Iverson: Method and apparatus for determining the condition of a battery through the use of multiple battery tests. Johnson Controls Technology Company, Quarles & Brady, November 7, 2000: US06144185 (134 worldwide citation)

A method and apparatus for determining the state of charge of a battery include use of multiple battery tests to provide complementary insight into battery condition before, during, and after battery charging. Battery testing is performed using a light resistive load, a heavy resistive load, a condu ...


39
Neal G Stewart: Multicell battery power system. Astec International, Coudert Brothers, June 6, 1995: US05422558 (131 worldwide citation)

A multicell battery power system for providing power to a load is disclosed. The battery power system includes a plurality of battery modules and power bus for transmitting power between the battery modules and the primary load. Each of the battery modules includes a battery for providing electrical ...


40
I Peter Kellett, John R Erickson, Edward T Cline III: Battery booster. Kendrick Products Corporation, John P McGonagle, June 10, 1997: US05637978 (128 worldwide citation)

A self-contained emergency battery charger for use in motor vehicles for charging a fully or partially discharged starter storage battery which delivers current to a starter motor of the vehicle. The batter charger contains a 12 volt, sealed lead acid charging battery and a boost converter deriving ...