Key input device used for portable equipment
First Claim
1. A key input device comprising:
- a key holding unit having an outward shape which can be gripped by one hand; and
at least five input keys which are provided on said key holding unit so as to allow separate operation of each of said at least five input keys using each finger of one hand;
wherein input of characters is executed by operating said at least five input keys.
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Accused Products
Abstract
A key input device according to the present invention includes a key holding unit having an outward shape which can be gripped by one hand and is structured as a separate part which is portable; at least five input keys which are provided on the key holding unit so as to allow separate operation of each of at least five input keys using each finger of one hand; and input units which are provided on the key holding unit in addition to at least five input keys, and which are operated in accordance with movement of the key holding unit; wherein input of characters are executed by combining at least five input keys with the input units. According to the present invention, it is possible to realize a key input device used for portable equipment in which a user can easily grip the key input device and easily execute an input operation of characters with a few operations of pushing buttons using one hand of the user.
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Citations
19 Claims
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1. A key input device comprising:
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a key holding unit having an outward shape which can be gripped by one hand; and
at least five input keys which are provided on said key holding unit so as to allow separate operation of each of said at least five input keys using each finger of one hand;
wherein input of characters is executed by operating said at least five input keys. - View Dependent Claims (2, 3, 13, 19)
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4. A key input device comprising:
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a key holding unit having an outward shape which can be gripped by one hand and is structured as a separate part which is portable;
at least five input keys which are provided on said key holding unit so as to allow separate operation of each of said at least five input keys using each finger of one hand; and
input means which are provided on said key holding unit in addition to said at least five input keys, and which are operated in accordance with the movement of said key holding unit;
wherein input of characters are executed by combining said at least five input keys with said input means. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 15, 16, 17)
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14. A key input device comprising;
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at least five input keys arranged so as to be operated separately by each finger of one hand; and
wherein each said at least five input keys corresponding to each finger of one hand inputs a different vowel in the Japanese.
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18. A key input device comprising:
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a portable key holding unit having an approximately-rectangular parallelepiped shape and can be gripped by one hand; and
a plurality of input keys provided on said key holding unit so as to be operated separately by one hand;
wherein input of characters is executed by operating said plurality of input keys.
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Specification