CN1510550A - Digital keyboard without digital display - Google Patents
Digital keyboard without digital display Download PDFInfo
- Publication number
- CN1510550A CN1510550A CNA021580898A CN02158089A CN1510550A CN 1510550 A CN1510550 A CN 1510550A CN A021580898 A CNA021580898 A CN A021580898A CN 02158089 A CN02158089 A CN 02158089A CN 1510550 A CN1510550 A CN 1510550A
- Authority
- CN
- China
- Prior art keywords
- key
- digital
- keyboard
- numeric keypad
- keys
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Input From Keyboards Or The Like (AREA)
Abstract
A digital keyboard which does not display digital consists of '1-0' digit key. an error correction key and a sound circuit, '1-0' digit keys are distributed according to the five finger shape with two keys of up and down at each column as the two keys are distinguished by abnormity key. The sound circuit reports out pressing down of each key and inputting error can be cleared off by the error correction key positioned at centre of palm.
Description
The present invention relates to numeric keypad, particularly the numeric keypad aligning method.
Background technology
The field of Applied Digital keyboard can be more extensive in the modern life, and the arrangement of its " 1～0 " mostly is three row four lines, and illumination, demonstration backlight etc. are arranged more, uses when insufficient light, and particularly the wearing and tearing of the numeral on key face back is difficult for confirming, and is very inconvenient.
Summary of the invention
The objective of the invention is numerical key is arranged compared with prior art humanized, but energy savings, (no matter have light, unglazed) all can use numeric keypad easily whenever to make anyone, imports own needed number.
Numeric keypad of the present invention adopts five-finger type to distribute, and divides with special-shaped keypad whenever to list down two keys, and is connected with a sound circuit, the key of numerical key number is quoted with judgement imported mistake.
Centre of the palm position is equipped with the key of correcting mistakes, and when input number keyboard is wrong, can presses this key and eliminate, and re-enters numeral.
Description of drawings
Fig. 1 represents that the typical number word keyboard is arranged in the prior art.
Fig. 2 numeric keypad of the present invention is arranged.
Claims (3)
1. the numeric keypad without display digit contains " 1～0 " individual numerical key and the key of correcting mistakes, and it is characterized in that, distribute every row of " 1～0 " key five-finger type divide key up and down.
2. a kind of numeric keypad without display digit according to claim 1 is characterized in that, upper and lower key is with special-shaped keypad key not up and down.
3. a kind of numeric keypad without display digit according to claim 1 is characterized in that, the position of key at the centre of the palm of correcting mistakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021580898A CN1510550A (en) | 2002-12-25 | 2002-12-25 | Digital keyboard without digital display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021580898A CN1510550A (en) | 2002-12-25 | 2002-12-25 | Digital keyboard without digital display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1510550A true CN1510550A (en) | 2004-07-07 |
Family
ID=34236838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021580898A Pending CN1510550A (en) | 2002-12-25 | 2002-12-25 | Digital keyboard without digital display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1510550A (en) |
-
2002
- 2002-12-25 CN CNA021580898A patent/CN1510550A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |