Control device for coffee extractor

A drip mechanism of a coffee extractor has a heater which boils water to be poured on coffee powder and a control switch which controls the ON/OFF operation of the heater. The control device of this drip mechanism has first and second discriminating circuits, so that the ON/OFF operation of the cont...

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Bibliographic Details
Main Authors OOTA; HIROYUKI, NARITA; RYUUHO
Format Patent
LanguageEnglish
Published 06.12.1983
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Summary:A drip mechanism of a coffee extractor has a heater which boils water to be poured on coffee powder and a control switch which controls the ON/OFF operation of the heater. The control device of this drip mechanism has first and second discriminating circuits, so that the ON/OFF operation of the control switch is controlled by an output of a drive circuit controlled by output signals of these discriminating circuits. A predetermined amount of coffee powder is stored in a case. Subsequently, when a regular drip switch and a start switch are depressed, the heater is heated in a first mode so that regular coffee is extracted. When the strong drip switch and the start switch are depressed, the heater is heated in a second mode so that strong coffee is extracted. In order to accomplish this selective operation, a logic circuit is arranged to control the first and second discriminating circuits.
Bibliography:Application Number: US19820340251