1
Randall L Hess, Patrick R Cooper, Armando Interiano, Joseph F Freiman: Battery charge monitor and fuel gauge. Compaq Computer, Pravel Hewitt Kimball & Krieger, May 24, 1994: US05315228 (89 worldwide citation)

A battery charge controller and fuel gauge which accurately monitors the voltage, temperature, and charge and discharge current of a rechargeable battery, and calculates the battery's charge capacity and charge level. Each time the battery is fully discharged, any calculated charge level remaining i ...


2
Toshitsugu Mito, Leopoldo L Suarez, Shaun Astarabadi, Marcus G Calescibetta: Battery charge monitor for a personal computer. International Business Machines Corporation, Martin J McKinley, September 6, 1994: US05345392 (56 worldwide citation)

A charge monitor for a battery operated computer includes a processor electrically connected to a plurality of signal generating circuits. The generated signals represent the temperature, voltage and current characteristics of the battery being monitored. The level of remaining battery energy is asc ...


3
Armando Interiano, Randall L Hess, Patrick R Cooper, Joseph F Freiman: Battery charge monitor to determine fast charge termination. Compaq Computer Corporation, Pravel Gambrell Hewitt Kimball & Krieger, April 6, 1993: US05200689 (47 worldwide citation)

A battery charge controller and fuel gauge which accurately monitors the voltage, temperature, and charge and discharge current of a rechargeable battery, and calculates the battery's charge capacity and charge level. Each time the battery is fully discharged, any calculated charge level remaining i ...


4
Tai Her Yang: Battery charge monitor. Leonard Bloom, August 16, 1994: US05339017 (27 worldwide citation)

An arrangement for detecting the state of charge of a vehicle battery (B201) in an electrical system (Z201) of a vehicle comprises an array of diodes (BD201) arranged to detect the initial voltage drop across the load when energised by a switch (M201). Each diode in the array defines a predetermined ...


5
Jack B Meister: Battery charge monitor. Echlin Incorporated, Barnes Kisselle Raisch Choate Whittemore & Hulbert, June 14, 1994: US05321389 (25 worldwide citation)

A battery charge monitor for automotive vehicles that includes electronic circuitry for connection to the vehicle battery and responsive to battery voltage to provide a first electrical signal when battery voltage decreases to a selected threshold level. A latching relay includes relay contacts for ...


6
Birt Leslie A, Bonham David A, Grimer Anthony D: Battery charge monitor. Bowthorpe Holdings, September 28, 1983: GB2116728-A (14 worldwide citation)

A charge monitor for a battery (e.g. the battery of a battery powered vehicle) comprises a transducer (20) monitoring the current flowing into or from the battery, a visual display (16) and a microprocessor control circuit (10) to track the amount of charge in the battery at all times and for drivin ...


7
Yutaka Tomiyori, Yukio Murata: Charging circuit with battery charge monitor circuit. NEC Corporation, Foley & Lardner, October 8, 1996: US05563495 (12 worldwide citation)

A charging circuit charges a nickel-cadmium battery by means of a constant current source. A resistor, diodes and a tantalum capacitor are connected between an output terminal of the charging circuit and a ground potential. A junction between the capacitor and the diode is connected to one input ter ...


8
Talbot Ronald George: Battery charge monitor. Warman Int, May 1, 1985: GB2147109-A (8 worldwide citation)

A battery charge monitor comprises a shunt 4, adapted to be inserted between the battery 2 and load to sense the flow and direction of current through the shunt, the output of the shunt having the same polarity as that of the current sensed; a voltage to current amplifier 5 connected to the output o ...


9
Mito Toshitsugu, Suarez Leopoldo Lino, Astarabadi Shaun, Calescibetta Marcus Gino: Battery charge monitor.. Ibm, July 29, 1992: EP0496537-A2 (6 worldwide citation)

A charge monitor for a battery operated computer includes a processor electrically connected to a plurality of signal generating circuits. The generated signals represent the temperature, voltage and current characteristics of the battery being monitored. The level of remaining battery energy is asc ...


10
Castelli Claudia, Fraternali Fabrizio, Mariani Adalberto, Pojer Alex: Battery charge monitor for an electronic appliance. St Microelectronics, September 20, 2000: EP1037065-A1 (6 worldwide citation)

A counter for monitoring the state of charge of the battery of an electronic apparatus comprising a current sensing circuit composed of a differential amplifier (AMP), a resettable integrator (INTEGR), a first comparator (CompH) and a second comparator (CompL) generating a logic charge interrupt sig ...