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Evgenij Barsoukov, Dan R Poole, David L Freeman: Circuit and method for measurement of battery capacity fade. Texas Instruments Incorporated, W Daniel Swayze Jr, W James Brady, Frederick J Telecky Jr, May 10, 2005: US06892148 (78 worldwide citation)

The remaining run-time (t_rem) of a battery is determined independently of the condition of the battery and the amount of load on the battery by obtaining the value of a present total zero-current capacity (Qmax) of the battery based on relaxed-battery OCV values measured just before and just after ...


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Charles D Zinsmeyer, James A Parnell, Dan R Poole, Carl D Massey: Ribbon cassette for a printer. Summagraphics Corporation, Rosen Dainow & Jacobs, January 24, 1995: US05383733 (20 worldwide citation)

A cassette for ribbon for a printer, particularly a thermal printer, is disclosed. The cassette is configured to be stably mounted to a print carriage of a thermal printer, or to a storage turret mounted to the printer for storing a number of cassettes, and to be transferred by a passive transfer sy ...


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John C Venthem, James A Parnell, Mark Hill, Dan R Poole: Pen tip position detector. Ametek, Amster Rothstein & Ebenstein, December 19, 1989: US04888710 (6 worldwide citation)

Apparatus, for use in conjunction with a digital plotter incorporating controlled multiple markers to create displays, for determining the position of the markers along axes of movement, comprises a detector assembly disposed at a fixed axial position relative to the plotter, and a driver for moving ...


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James A Parnell, Dan R Poole: Digitizer for position sensing. Ametek, Amster Rothstein & Ebenstein, May 22, 1990: US04928256 (4 worldwide citation)

Apparatus and method for determining position, tilt and offset of a pointer with respect to a grid of parallel conductors with which it is coupled by obtaining measured responses between each of a group conductors and the pointer and fitting an expression for the response to said measured responses.


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Evgenij Barsoukov, Dan R Poole, David L Freeman: Circuit and method for measurement of battery capacity fade. Charles R Hoffman, CAHILL von HELLENS & GLAZER, November 4, 2004: US20040220758-A1

The remaining run-time (t_rem) of a battery is determined independently of the condition of the battery and the amount of load on the battery by obtaining the value of a present total zero-current capacity (Qmax) of the battery based on relaxed-battery OCV values measured just before and just after ...


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Evgenij Barsoukov, Dan R Poole, David L Freeman: Circuit and method for monitoring battery state of charge. Charles R Hoffman, Cahill Von Hellens & Glazer, July 1, 2004: US20040128086-A1

A processor (13) operates to determine amount of charge presently stored in a battery by determining that the battery is in a zero-current relaxed condition. Circuitry (16,23) including a first ADC (16) measures an open circuit voltage (OCV) of the battery prior to a period of time during which flow ...


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Evgenij Barsoukov, Dan R Poole, David L Freeman: Circuit and method for determining battery impedance increase with aging. Charles R Hoffman, Cahill Von Hellens & Glazer, July 1, 2004: US20040128089-A1

An internal impedance of a battery (30) is automatically determined by operating a processor (13) to analyze current flowing through the battery to determine if a transient condition due to change of current is occurring and determining when the transient condition has ended. A voltage of the batter ...