Boots – shoes – and leggings
Patent
1989-08-04
1991-05-14
Lall, Parshotam S.
Boots, shoes, and leggings
36443105, 123339, 123417, G06F 1520, F02P 1700, F02D 2800
Patent
active
050161806
ABSTRACT:
A method and apparatus for controlling a control parameter of a controlled device, such as the idle speed of an internal combustion engine, permits the setting of the control parameter in a tamper-proof manner. A control unit receives an adjustment value in the form of a compensation signal from an adjusting device, such as a potentiometer, during an adjustment mode and calculates a control value to control the parameter of the controlled device. When adjustment of the control parameter is complete, a normal mode is entered in which the calculated control value is stored in a non-volatile memory for use in controlling the controlled device, and the control unit ignores further signals received from the adjusting device.
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Hitachi , Ltd.
Lall Parshotam S.
Mattson Brian M.
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