A hand-held device is provided. The hand-held device includes a rotary wheel, a switch, a character region, and a controller. The rotary wheel has a plurality of positioning inputs. The character region includes a plurality of icons corresponding to the positioning inputs. Each icon includes a character. The controller is responsive to operation on the rotary wheel and the switch, and inputs a corresponding character. The above-mentioned rotary wheel can replace keyboard in the hand-held device.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic, front view of a hand-held device with a character input rotary wheel according to a preferred embodiment of the present invention; and
FIG. 2 is a schematic diagram of a hardware infrastructure of the hand-held device of FIG. 1.
Claims
1. A hand-held device comprising:
a rotary wheel having a plurality of positioning inputs;a switch;a character region comprising a plurality of icons corresponding to the positioning inputs, wherein each icon comprises a character; anda controller configured for responding to operation on the rotary wheel and the switch, and inputting a corresponding character.
2. The hand-held device of claim 1, further comprising an indicator for indicating the positioning input of the rotary wheel.
3. The hand-held device of claim 2, wherein the indicator is placed out of the rotary wheel.
4. The hand-held device of claim 1, wherein the switch is a button.
5. The hand-held device of claim 4, wherein the button is placed on the rotary wheel.
6. A hand-held device comprising:
a rotary wheel having a plurality of positioning inputs;a switch;an encoder configured for responding to the rotary wheel and outputting positioning codes;a memory storing characters corresponding to the positioning codes; anda controller configured for responding to operation on the rotary wheel and the switch, and inputting a corresponding character from the memory.
7. The hand-held device of claim 6, further comprising a character region, wherein the character region includes a plurality of icons corresponding to the positioning inputs of the rotary wheel, each icon including a character.
8. The hand-held device of claim 6, further comprising an indicator for indicating the positioning input of the rotary wheel.
9. The hand-held device of claim 8, wherein the indicator is placed out of the rotary wheel.
10. The hand-held device of claim 6, wherein the switch is a button.
11. The hand-held device of claim 10, wherein the button is placed on the rotary wheel.
Patent Application
20070200736
