CN1512345A - 手写笔频率测定方法及装置 - Google Patents
手写笔频率测定方法及装置 Download PDFInfo
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- CN1512345A CN1512345A CNA021595216A CN02159521A CN1512345A CN 1512345 A CN1512345 A CN 1512345A CN A021595216 A CNA021595216 A CN A021595216A CN 02159521 A CN02159521 A CN 02159521A CN 1512345 A CN1512345 A CN 1512345A
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- frequency
- circuit
- coil
- writing pencil
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- Radar Systems Or Details Thereof (AREA)
Abstract
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Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021595216A CN100476752C (zh) | 2002-12-30 | 2002-12-30 | 手写笔频率测定方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021595216A CN100476752C (zh) | 2002-12-30 | 2002-12-30 | 手写笔频率测定方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1512345A true CN1512345A (zh) | 2004-07-14 |
CN100476752C CN100476752C (zh) | 2009-04-08 |
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ID=34237520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021595216A Expired - Lifetime CN100476752C (zh) | 2002-12-30 | 2002-12-30 | 手写笔频率测定方法及装置 |
Country Status (1)
Country | Link |
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CN (1) | CN100476752C (zh) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7436164B2 (en) | 2006-12-20 | 2008-10-14 | 3M Innovative Properties Company | Untethered device employing tunable resonant circuit |
US7787259B2 (en) | 2006-12-28 | 2010-08-31 | 3M Innovative Properties Company | Magnetic shield for use in a location sensing system |
US7956851B2 (en) | 2006-12-20 | 2011-06-07 | 3M Innovative Properties Company | Self-tuning drive source employing input impedance phase detection |
US8040330B2 (en) | 2006-12-28 | 2011-10-18 | 3M Innovative Properties Company | Untethered stylus empolying multiple reference frequency communication |
US8040329B2 (en) | 2006-12-20 | 2011-10-18 | 3M Innovative Properties Company | Frequency control circuit for tuning a resonant circuit of an untethered device |
US8089474B2 (en) | 2006-12-28 | 2012-01-03 | 3M Innovative Properties Company | Location sensing system and method employing adaptive drive signal adjustment |
US8134542B2 (en) | 2006-12-20 | 2012-03-13 | 3M Innovative Properties Company | Untethered stylus employing separate communication and power channels |
US8207944B2 (en) | 2006-12-19 | 2012-06-26 | 3M Innovative Properties Company | Capacitance measuring circuit and method |
US8243049B2 (en) | 2006-12-20 | 2012-08-14 | 3M Innovative Properties Company | Untethered stylus employing low current power converter |
CN103019416A (zh) * | 2011-09-20 | 2013-04-03 | 汉王科技股份有限公司 | 电磁笔频率调整设备和方法 |
US9201556B2 (en) | 2006-11-08 | 2015-12-01 | 3M Innovative Properties Company | Touch location sensing system and method employing sensor data fitting to a predefined curve |
-
2002
- 2002-12-30 CN CNB021595216A patent/CN100476752C/zh not_active Expired - Lifetime
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9201556B2 (en) | 2006-11-08 | 2015-12-01 | 3M Innovative Properties Company | Touch location sensing system and method employing sensor data fitting to a predefined curve |
US8207944B2 (en) | 2006-12-19 | 2012-06-26 | 3M Innovative Properties Company | Capacitance measuring circuit and method |
US7956851B2 (en) | 2006-12-20 | 2011-06-07 | 3M Innovative Properties Company | Self-tuning drive source employing input impedance phase detection |
US7436164B2 (en) | 2006-12-20 | 2008-10-14 | 3M Innovative Properties Company | Untethered device employing tunable resonant circuit |
US8040329B2 (en) | 2006-12-20 | 2011-10-18 | 3M Innovative Properties Company | Frequency control circuit for tuning a resonant circuit of an untethered device |
US8134542B2 (en) | 2006-12-20 | 2012-03-13 | 3M Innovative Properties Company | Untethered stylus employing separate communication and power channels |
US8243049B2 (en) | 2006-12-20 | 2012-08-14 | 3M Innovative Properties Company | Untethered stylus employing low current power converter |
US8040330B2 (en) | 2006-12-28 | 2011-10-18 | 3M Innovative Properties Company | Untethered stylus empolying multiple reference frequency communication |
US8089474B2 (en) | 2006-12-28 | 2012-01-03 | 3M Innovative Properties Company | Location sensing system and method employing adaptive drive signal adjustment |
US8159474B2 (en) | 2006-12-28 | 2012-04-17 | 3M Innovative Properties Company | Untethered stylus employing multiple reference frequency communication |
US7916501B2 (en) | 2006-12-28 | 2011-03-29 | 3M Innovative Properties Company | Magnetic shield for use in a location sensing system |
US7787259B2 (en) | 2006-12-28 | 2010-08-31 | 3M Innovative Properties Company | Magnetic shield for use in a location sensing system |
CN103019416A (zh) * | 2011-09-20 | 2013-04-03 | 汉王科技股份有限公司 | 电磁笔频率调整设备和方法 |
CN103019416B (zh) * | 2011-09-20 | 2015-08-26 | 汉王科技股份有限公司 | 电磁笔频率调整设备和方法 |
Also Published As
Publication number | Publication date |
---|---|
CN100476752C (zh) | 2009-04-08 |
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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 | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161219 Address after: 100193 Beijing, Haidian District, northeast Wang West Road, building 3, floor 363, room 5, room 8 Patentee after: BEIJING HANVON PENTECH TECHNOLOGY CO.,LTD. Address before: 100094 Beijing City, Haidian District Zhongguancun Software Park building 5121 mailbox Hanvon Patentee before: HANWANG TECHNOLOGY Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100193 363, 3 floor, 5 building, 8 Northeast Road, Haidian District, Beijing. Patentee after: HANVON PENTECH Co. TTD Address before: 100193 363, 3 floor, 5 building, 8 Northeast Road, Haidian District, Beijing. Patentee before: BEIJING HANVON PENTECH TECHNOLOGY CO.,LTD. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20090408 |