1
John E Landau, Wallace E Matthews, David L Freeman: Method and apparatus for monitoring batttery capacity with charge control. Benchmarg Microelectronics, Gregory M Howison, August 8, 1995: US05440221 (41 worldwide citation)

A battery detect circuit (32) is connected to the battery with the current input to the battery and extracted from the battery measured with a sense resistor (50) and then converted to charge and discharge pulses with a V/F converter (52). A microcontroller (64) is operable to increment a Nominal Av ...


2
Gene L Armstrong II: Fuse state sense circuit. Benchmarg Microelectronics, Gregory M Howison, May 23, 1995: US05418487 (31 worldwide citation)

A fuse state sense circuit includes a fusible link (40) that is disposed between a node (38) and ground. A programming/sense pad (42) is provided to allow voltage to be applied to the node (38) external to the fuse state sense circuit. Current is provided to the node (38) through a current source (3 ...


3
Wallace E Matthews: Temperature compensated current source operable to drive a current controlled oscillator. Benchmarg Microelectronics, Gregory M Howison, February 18, 1997: US05604467 (22 worldwide citation)

A temperature compensated current source for driving a multi-vibrator (19) includes a voltage generator (10) that outputs a voltage that is proportional to absolute temperature (PTAT) and a resistor (12) for setting the current output by the voltage generator (10). The temperature coefficient of the ...


4
John E Landau, Wallace E Matthews, David L Freeman: Display system for a battery monitoring circuit. Benchmarg Microelectronics, Gregory M Howison, October 3, 1995: US05454710 (17 worldwide citation)

A battery detect circuit (32) is connected to a battery, with the current A battery V:the battery and the current extracted from the battery measured with a sense resistor (50) and convened to charge and discharge voltages with a V/F converter (52). A microcontroller (64) is operable to increment a ...