|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||99/285 ; 426/231 ; 426/433 ; 426/594 ; 356/410 ; 356/434 ; 356/436 ; 250/573 ; 250/576 ; 250/577|
|발명자 / 주소|
|인용정보||피인용 횟수 : 18 인용 특허 : 4|
A brewed beverage maker, such as a coffee maker, is provided having an automatic concentration control system. An optical feedback system is employed for controlling the concentration of brewed beverages such as coffee and tea. In preferred embodiments, this invention employs a light beam that is passed through the beverage as the beverage is being made to determine the concentration of the beverage. A control system compares the measured concentration to a desired concentration and controls the flow of water through a filter basket containing coffee, te...
[ We claim:] [1.] A coffee maker having an optical system for controlling the concentration of the coffee that is made, comprising:a coffee maker including a source of hot water, basket for holding ground coffee, and a receptacle for collecting brewed coffee from the basket;a supply control valve coupled to the source hot water, the supply control valve being selectively operable to direct hot water into the basket, to direct hot water through a bypass conduit into the receptacle, or to block the flow of hot water from the source;a control system compris...