검색연산자 | 기능 | 검색시 예 |
---|---|---|
() | 우선순위가 가장 높은 연산자 | 예1) (나노 (기계 | machine)) |
공백 | 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 | 예1) (나노 기계) 예2) 나노 장영실 |
| | 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 | 예1) (줄기세포 | 면역) 예2) 줄기세포 | 장영실 |
! | NOT 이후에 있는 검색어가 포함된 문서는 제외 | 예1) (황금 !백금) 예2) !image |
* | 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 | 예) semi* |
"" | 따옴표 내의 구문과 완전히 일치하는 문서만 검색 | 예) "Transform and Quantization" |
국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | A47J-031/56 |
미국특허분류(USC) | 99/281 ; 99/305 ; 99/283 |
출원번호 | US-0813486 (1977-07-07) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 6 인용 특허 : 1 |
The coffee maker includes a reservoir and a heating chamber, having a vent tube, connected to the reservoir for receiving water therefrom, a heater for the heating chamber, and a coffee making area connected to the heating chamber. A control means is operated by a limited rise of temperature in the heating chamber to close the vent tube. A starter switch to control power supply to the coffee maker and a thermostatically controlled shut-off means is provided to open the starter switch and shut off power to the coffee maker when the heating chamber has no ...
In an electric coffee maker, a water reservoir, a heating chamber means of smaller capacity than said reservoir, a water supply line connecting the reservoir to the heating chamber means, a heater for liquid in said heating chamber means, means enabling flow of water by gravity from said reservoir to said chamber means; a control circuit including a control switch to control power supply to the coffee maker and to said heater, and a thermostatically controlled shut-off means operatively connected to said control switch for operation of the same and shut ...