Method and device for detecting deflection amount of ink jet in

Details Method and device for detecting deflection amount of ink jet in Method and device for detecting deflection amount of ink jet in

1983-10-03

1985-04-09

Miller, Jr., George H.

Recorders

Record receiver deforming

346 11, 2502221, G01D 1518, G01V 904

Patent

active

045105049

ABSTRACT:
A method for detecting a deflection amount of ink jets according to the present invention applied to an ink jet printer is effected by projecting light upon a flying ink drop, and detecting deflection amount of the ink drop on the basis of behavior of the light reflected by the ink drop. Further, a device for detecting a deflection amount of ink jets according to the invention utilizing the above method comprises a light emitting device for emitting the light, one or plural light receiving devices for receiving the light reflected by the ink drops a signal processing circuit for producing a detection signal indicative of the deflection amount of the above ink drop on the basis of the presence or absence and the level of the output of the light receiving device.

REFERENCES:
patent: 4068222 (1978-01-01), Treviranus
patent: 4225754 (1981-03-01), Crean et al.
patent: 4303142 (1983-09-01), Kondo
patent: 4328504 (1982-05-01), Weber et al.
patent: 4392142 (1983-07-01), Seachman et al.

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