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 icon areas corresponding to the positioning inputs. Each icon area includes a plurality of characters. According to a positioning input the rotary wheel locates, the controller selects characters of the corresponding icon area. According to a count the switch is operated, the controller inputs a corresponding character of the characters selected. 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 icon areas corresponding to the positioning inputs, wherein each icon area comprises a plurality of characters; anda controller for selecting characters of an icon area according to a positioning input the rotary wheel locates, and inputting a character of the characters according to a count the switch is operated.
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 on 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 responsive to operation on the rotary wheel and outputting positioning codes;a memory storing a plurality of characters corresponding to the positioning codes; anda controller for reading characters from the memory according to a positioning input the rotary wheel locates, and inputting a character of the characters according to a count the switch is operated.
7. The hand-held device of claim 6, further comprising a character region, the character region including a plurality of icon areas corresponding to the positioning inputs of the rotary wheel, each icon area including a plurality of characters.
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 on 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
20070165011
