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-018/16 |
미국특허분류(USC) | 446/435 ; 446/440 |
출원번호 | US-0415325 (1982-09-07) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 8 인용 특허 : 2 |
A variable speed vehicle has a satellite vehicle attached thereto by a connecting member. The variable speed vehicle includes a spring activated motor and a power train which is capable of receiving power from the motor and driving the vehicle at at least two velocities. The connecting member is fixedly attached to the satellite vehicle and movable with respect to the primary vehicle. When the satellite vehicle is moved away from the primary vehicle, the connecting member activates the spring motor, and when so activated, the spring motor returns the sat...
A toy which comprises: a first body; said first body including a spring activated motor means; said first body including a variable velocity moving means operatively associated with and receiving power from said motor means and capable of moving said first body at at least two velocities with respect to the support medium; a second body associated with said first body; a connecting means fixedly attached to said second body and movably associated with said first body motor means whereby movement of said second body away from said first body from a proxim...