Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1984-05-03
1986-01-21
Miller, Jr., George H.
Recorders
Markers and/or driving means therefor
With ink supply to marker
310330, G01D 1518, B41J 304
Patent
active
045660182
ABSTRACT:
The disclosure relates to a recorder operating with drops of liquid for recording respective points of an analog curve or alphanumerical characters and/or images on a recording medium. In one embodiment elongated piezo-electric transducers are provided for producing the drops of liquid, the piezo-electric transducers being disposed in rows, being clamped at one end and being contacted such that they bend perpendicularly to a plane through the transducers in response to electrical potential changes at the contacting. In order to obtain a recorder that is relatively simple in structure wherein, moreover, a close application of a plurality of rows of transducers behind one another is also provided, it is inventively proposed that a carrier plate be disposed parallel to the transducers at such a distance therefrom that writing fluid is ejected in about the transducer longitudinal direction from a writing fluid receiving space between the individual transducer and the carrier plate when the transducer is released from an energized position and allowed to return to an initial deenergized position by virtue of the restoring force resulting from the resilience of the transducer.
REFERENCES:
patent: 4072959 (1978-02-01), Elmqvist
patent: 4409601 (1983-10-01), Nilsson et al.
patent: 4438441 (1984-03-01), Bolmgren et al.
patent: 4453169 (1984-06-01), Martner
Miller Jr. George H.
Siemens Aktiengesellschaft
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