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" |
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | A63H-033/00 B65D-006/16 |
미국특허분류(USC) | 446/074 ; 446/071 ; 181/178 ; 220/08 ; 220/625 |
출원번호 | US-0022356 (1998-02-12) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 27 인용 특허 : 5 |
A new megaphone cup for providing a device that is convertible between a drinking cup and a megaphone. The inventive device includes a base having upper and lower surfaces with a tubular cup mount upwardly extending from the upper surface of the base. The cup mount has a lumen and an upper opening into the lumen. Removably inserted into the lumen is the bottom end of a cup member. The top and bottom ends of the cup member both have openings into the cup member hollow interior and the cup member is also tapered towards the bottom end of the cup member. Wh...
[ I claim:] [1.] A megaphone cup, comprising;a base having upper and lower surfaces, said lower surface of said base being for resting on a surface;a tubular cup mount being upwardly extended from said upper surface of said base, said cup mount having a lumen and an upper opening into said lumen of said cup mount;a cup member having inner and outer surfaces, top and bottom ends, and an extendable portion, said cup member being tapered towards said bottom end of said cup member, said inner surface of said cup member defining a cup member hollow interior;s...