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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0646032 (1976-01-02) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 43 인용 특허 : 0 |
A hand held electronic calculator which includes a grip for attaching the calculator to the hand of the user to make it fully operable with one hand while reducing the danger of damage by dropping. The concept is equally applicable to any hand held device having a keyboard, such as various telephone
In a hand held portable electronic calculator, the improvement comprising: a. a calculator body member; b. a hollow finger receiving means on said body member and oriented relative to the keys of the calculator such that the user may insert at least one finger in said receiving means and selectively
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