Automatic calibration apparatus for an automotive control system

Details Automatic calibration apparatus for an automotive control system Automatic calibration apparatus for an automotive control system

1984-03-16

1986-11-18

Chin, Gary

Boots, shoes, and leggings

G01L 2500

Patent

active

046239766

ABSTRACT:
An automatic calibration selection for an automotive control system allows the use of one basic electronic control unit (20) for a family of motor vehicles. In each motor vehicle, a unique valued resistor (10) is located in or adjacent to the wireharness and near the electronic control unit connector (12). This resistor (10) provides an input to a voltage divider network to select a voltage value representing the particular control parameters for the vehicle. The voltage operates to address (24) a read only memory (22) to place the proper calibration constants in the electronic control unit (20).

REFERENCES:
patent: 3935427 (1976-01-01), Geul
patent: 4271402 (1981-06-01), Kastura et al.
patent: 4348729 (1982-09-01), Sasayama et al.
patent: 4366541 (1982-12-01), Mouri et al.
patent: 4401949 (1983-08-01), Gold
patent: 4404639 (1983-09-01), McGuire et al.
patent: 4441359 (1984-04-01), Ezoe

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