CN112640288A - 一种正负压打码电路、芯片、主动笔以及打码方法 - Google Patents
一种正负压打码电路、芯片、主动笔以及打码方法 Download PDFInfo
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- CN112640288A CN112640288A CN201980001605.3A CN201980001605A CN112640288A CN 112640288 A CN112640288 A CN 112640288A CN 201980001605 A CN201980001605 A CN 201980001605A CN 112640288 A CN112640288 A CN 112640288A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0441—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using active external devices, e.g. active pens, for receiving changes in electrical potential transmitted by the digitiser, e.g. tablet driving signals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
- G06F3/0383—Signal control means within the pointing device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
- H02M3/071—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps adapted to generate a negative voltage output from a positive voltage source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electronic Switches (AREA)
- Position Input By Displaying (AREA)
- Dc-Dc Converters (AREA)
Abstract
一种正负压打码电路,所述正负压打码电路包括:正负压产生模块(601,602;801;802;1102;1103;1502;1503;1702)和控制模块(901;1101;1301;1501),所述正负压产生模块(601,602;801;802;1102;1103;1502;1503;1702)包括开关模块(K1‑K16),所述控制模块(901;1101;1301;1501)用于控制开关模块(K1‑K16)的断开状态和闭合状态,以使正负压产生模块(601,602;801;802;1102;1103;1502;1503;1702)输出正电压以及负电压至主动笔(101)的笔尖(103)。上述正负压打码电路,能够在确保打码效果的情况下,显著降低主动笔(101)的打码功耗。
Description
PCT国内申请,说明书已公开。
Claims (53)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2019/099790 WO2021022552A1 (zh) | 2019-08-08 | 2019-08-08 | 一种正负压打码电路、芯片、主动笔以及打码方法 |
Publications (2)
Publication Number | Publication Date |
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CN112640288A true CN112640288A (zh) | 2021-04-09 |
CN112640288B CN112640288B (zh) | 2024-01-23 |
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CN201980001605.3A Active CN112640288B (zh) | 2019-08-08 | 2019-08-08 | 一种正负压打码电路、芯片、主动笔以及打码方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11301093B2 (zh) |
EP (1) | EP3800776B1 (zh) |
CN (1) | CN112640288B (zh) |
WO (1) | WO2021022552A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113302580A (zh) * | 2021-04-13 | 2021-08-24 | 深圳市汇顶科技股份有限公司 | 打码电路、主动笔以及电子设备 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11474623B1 (en) * | 2021-06-11 | 2022-10-18 | Hewlett-Packard Development Company, L.P. | Stylus pens with batteries |
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2019
- 2019-08-08 EP EP19920644.2A patent/EP3800776B1/en active Active
- 2019-08-08 CN CN201980001605.3A patent/CN112640288B/zh active Active
- 2019-08-08 WO PCT/CN2019/099790 patent/WO2021022552A1/zh unknown
-
2020
- 2020-09-30 US US17/060,004 patent/US11301093B2/en active Active
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CN113302580A (zh) * | 2021-04-13 | 2021-08-24 | 深圳市汇顶科技股份有限公司 | 打码电路、主动笔以及电子设备 |
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CN113302580B (zh) * | 2021-04-13 | 2024-06-07 | 深圳市汇顶科技股份有限公司 | 打码电路、主动笔以及电子设备 |
Also Published As
Publication number | Publication date |
---|---|
EP3800776A4 (en) | 2021-04-28 |
EP3800776B1 (en) | 2022-10-05 |
EP3800776A1 (en) | 2021-04-07 |
US20210041984A1 (en) | 2021-02-11 |
WO2021022552A1 (zh) | 2021-02-11 |
US11301093B2 (en) | 2022-04-12 |
CN112640288B (zh) | 2024-01-23 |
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