CN100374988C - 超声波手写键盘 - Google Patents
超声波手写键盘 Download PDFInfo
- Publication number
- CN100374988C CN100374988C CNB001248960A CN00124896A CN100374988C CN 100374988 C CN100374988 C CN 100374988C CN B001248960 A CNB001248960 A CN B001248960A CN 00124896 A CN00124896 A CN 00124896A CN 100374988 C CN100374988 C CN 100374988C
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- Prior art keywords
- keyboard
- supersonic
- circuit board
- circuit
- hand
- 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.)
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Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB001248960A CN100374988C (zh) | 2000-09-22 | 2000-09-22 | 超声波手写键盘 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB001248960A CN100374988C (zh) | 2000-09-22 | 2000-09-22 | 超声波手写键盘 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1344983A CN1344983A (zh) | 2002-04-17 |
CN100374988C true CN100374988C (zh) | 2008-03-12 |
Family
ID=4590735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001248960A Expired - Fee Related CN100374988C (zh) | 2000-09-22 | 2000-09-22 | 超声波手写键盘 |
Country Status (1)
Country | Link |
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CN (1) | CN100374988C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1304932C (zh) * | 2005-06-03 | 2007-03-14 | 王树勋 | 基于无线定位的u盘记事本 |
US8286489B2 (en) * | 2006-03-29 | 2012-10-16 | Nec Corporation | Input apparatus and input method |
KR101379357B1 (ko) * | 2012-02-17 | 2014-03-28 | 주식회사 피엔에프 | 위치 정보 입력이 가능한 키보드 및 이를 포함하는 키보드 시스템 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2183070A (en) * | 1985-11-19 | 1987-05-28 | Snipe Computers Limited | Bar-code reader |
CN2115778U (zh) * | 1992-01-15 | 1992-09-16 | 张明辉 | 牙科用自动给水器 |
WO2000039663A1 (en) * | 1998-12-28 | 2000-07-06 | Gateway, Inc. | Virtual input device |
-
2000
- 2000-09-22 CN CNB001248960A patent/CN100374988C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2183070A (en) * | 1985-11-19 | 1987-05-28 | Snipe Computers Limited | Bar-code reader |
CN2115778U (zh) * | 1992-01-15 | 1992-09-16 | 张明辉 | 牙科用自动给水器 |
WO2000039663A1 (en) * | 1998-12-28 | 2000-07-06 | Gateway, Inc. | Virtual input device |
Also Published As
Publication number | Publication date |
---|---|
CN1344983A (zh) | 2002-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Liu Zhonghua Document name: Notice of application for the publication of a patent for invention; deemed to have not been submitted |
|
ASS | Succession or assignment of patent right |
Owner name: BEIJING GREEN VALLEY TECHNOLOGY CO. Free format text: FORMER OWNER: LIU ZHONGHUA Effective date: 20021115 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20021115 Applicant after: Qinggu Science and Technology Co., Ltd., Beijing Applicant before: Liu Zhonghua |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090227 Address after: Room 2, unit 8, triumph building, 170 Beiyuan Road, 903, Beijing, Chaoyang District Patentee after: Beijing Iemark Technology Co., Ltd. Address before: Liu Zhonghua Beijing City, Changping District small town garden 5 Building 7 unit 305 room Patentee before: Qinggu Science and Technology Co., Ltd., Beijing |
|
ASS | Succession or assignment of patent right |
Owner name: BEIJING AI YI MARK TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING GREEN VALLEY TECHNOLOGY CO. Effective date: 20090227 |
|
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: 100101 Beijing city Chaoyang District Datun Road Science Park in South Theo Street Center B block 601 Patentee after: Beijing Iemark Technology Co., Ltd. Address before: 100029, room 2, unit 8, triumph building, 170 Beiyuan Road, 903, Beijing, Chaoyang District Patentee before: Beijing Iemark Technology Co., Ltd. |
|
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: 100094, 2 North Wing Road, Beijing, Haidian District, Tian Hua building, 2 floor Patentee after: Beijing Iemark Technology Co., Ltd. Address before: 100101 Beijing city Chaoyang District Datun Road Science Park in South Theo Street Center B block 601 Patentee before: Beijing Iemark Technology Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20130922 |