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) | B60R-007/04 A47B-037/00 |
미국특허분류(USC) | 224/275; 224/553; 224/563; 108/025; 108/044; 248/099; 248/100 |
출원번호 | US-0566720 (1995-12-04) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 22 인용 특허 : 7 |
A portable desk and cooperative file folder holder for use in a vehicle seat or house chair. When used in a vehicle, the desk and file holder are placed in the passenger seat next to the driver. The desk includes a horizontally disposed rectangular base member which rests on the seat when in use, and a back member pivotally attached to the base member and which rests vertically disposed adjacent the back rest of the seat when in use. The back member is lockable into the vertical position. The base member serves as a work surface for papers or a note book...
1. A portable desk and portable file holder combination for use in a seat, comprising: a desk having a base member including a bottom surface for resting on a seat and at least in part stabilizing said desk on a seat; an oppositely disposed surface from said bottom surface of said base member being a surface for serving as a desk work surface; a file holder a back member attached to said base member by hinge means rendering said back member selectively positionable between a first position vertically raised and extending generally perpendicular rela...