Fluid-pressure and analogous brake systems – Multiple systems
Patent
1997-12-04
1999-11-16
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Multiple systems
303 10, 303DIG3, 303 13, 303 3, 303 961, 303 15, 188151A, B60T 1374, B06K 4120, F02D 1304
Patent
active
059844248
ABSTRACT:
Two methods of calibrating Fax machines are disclosed. The first method utilizes a pre-printed calibration chart and a computer connected to the Fax machine to be calibrated. The calibration chart is fed into the Fax machine which sends the resultant data to the computer. This data is analyzed by the computer to determine when the Fax machine started to scan the calibration chart. If the scan process did not occur at an optimum point, the computer sends a correction value back to the Fax machine to cause the Fax machine to begin scanning subsequent documents at an optimum point. In the second method, a calibration chart is printed by the Fax machine and then fed back into the machine. A copy of the scanned calibration chart is made to determine at what point the Fax machine began scanning the chart. If the Fax machine did not begin scanning at an optimum point, a user reads the copy and manually enters a corrective offset in to the Fax machine such that subsequent documents are scanned properly.
REFERENCES:
patent: 4124254 (1978-11-01), Hart
patent: 5417477 (1995-05-01), Lasbleis
patent: 5441335 (1995-08-01), Stumpe et al.
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patent: 5762407 (1998-06-01), Stacey et al.
patent: 5779329 (1998-07-01), Takeshima
patent: 5816665 (1998-10-01), Burnett et al.
patent: 5833327 (1998-11-01), Kozakai
patent: 5845976 (1998-12-01), Muenster
patent: 5851057 (1998-12-01), Terazawa et al.
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