KR200214144Y1 - 수식입력키보드 - Google Patents
수식입력키보드 Download PDFInfo
- Publication number
- KR200214144Y1 KR200214144Y1 KR2020000025549U KR20000025549U KR200214144Y1 KR 200214144 Y1 KR200214144 Y1 KR 200214144Y1 KR 2020000025549 U KR2020000025549 U KR 2020000025549U KR 20000025549 U KR20000025549 U KR 20000025549U KR 200214144 Y1 KR200214144 Y1 KR 200214144Y1
- Authority
- KR
- South Korea
- Prior art keywords
- keyboard
- input
- formulas
- computer
- inputting
- 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.)
- Expired - Fee Related
Links
- 230000007423 decrease Effects 0.000 description 1
Landscapes
- Input From Keyboards Or The Like (AREA)
Abstract
Description
Claims (1)
- 컴퓨터 입력장치인 키보드의 오른쪽 숫자 키보드에 '=', '^ ', '(', ')'의 4개의 키를 추가하여 입력시의 효율을 향상시킨 키보드.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020000025549U KR200214144Y1 (ko) | 2000-09-07 | 2000-09-07 | 수식입력키보드 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020000025549U KR200214144Y1 (ko) | 2000-09-07 | 2000-09-07 | 수식입력키보드 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR200214144Y1 true KR200214144Y1 (ko) | 2001-02-15 |
Family
ID=73088438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2020000025549U Expired - Fee Related KR200214144Y1 (ko) | 2000-09-07 | 2000-09-07 | 수식입력키보드 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200214144Y1 (ko) |
-
2000
- 2000-09-07 KR KR2020000025549U patent/KR200214144Y1/ko not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 20000907 |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 20001207 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 1 Payment date: 20000907 |
|
UG1601 | Publication of registration | ||
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee | ||
T601 | Decision to invalidate utility model after technical evaluation | ||
UT0601 | Decision on revocation of utility model registration |
Comment text: Notice of Reason for Refusal during Technology Evaluation Patent event date: 20010705 Patent event code: UT06011S01I |