JP2020027331A5 - - Google Patents
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- JP2020027331A5 JP2020027331A5 JP2018150310A JP2018150310A JP2020027331A5 JP 2020027331 A5 JP2020027331 A5 JP 2020027331A5 JP 2018150310 A JP2018150310 A JP 2018150310A JP 2018150310 A JP2018150310 A JP 2018150310A JP 2020027331 A5 JP2020027331 A5 JP 2020027331A5
- Authority
- JP
- Japan
- Prior art keywords
- detection
- phase
- drive signal
- carrier wave
- mixer output
- 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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- 238000001514 detection method Methods 0.000 claims 55
- 239000004065 semiconductor Substances 0.000 claims 9
- 239000000969 carrier Substances 0.000 claims 8
- 238000000034 method Methods 0.000 claims 5
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018150310A JP7129268B2 (ja) | 2018-08-09 | 2018-08-09 | 半導体装置、容量センシングシステム及び方法 |
| US16/533,490 US10795503B2 (en) | 2018-08-09 | 2019-08-06 | Device and method for capacitive sensing |
| US17/062,529 US11126303B2 (en) | 2018-08-09 | 2020-10-02 | Device and method for capacitive sensing |
| US17/407,766 US11693511B2 (en) | 2018-08-09 | 2021-08-20 | Device and method for capacitive sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018150310A JP7129268B2 (ja) | 2018-08-09 | 2018-08-09 | 半導体装置、容量センシングシステム及び方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020027331A JP2020027331A (ja) | 2020-02-20 |
| JP2020027331A5 true JP2020027331A5 (enExample) | 2021-09-09 |
| JP7129268B2 JP7129268B2 (ja) | 2022-09-01 |
Family
ID=69406053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018150310A Active JP7129268B2 (ja) | 2018-08-09 | 2018-08-09 | 半導体装置、容量センシングシステム及び方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (3) | US10795503B2 (enExample) |
| JP (1) | JP7129268B2 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2594486B (en) * | 2020-04-29 | 2023-04-12 | Touchnetix Ltd | Circuitry for touch-sensitive apparatus and method |
| US12353660B2 (en) | 2020-12-17 | 2025-07-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for interfacing with a touch sensor |
| EP4264405A1 (en) | 2020-12-17 | 2023-10-25 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for interfacing with a touch sensor |
| EP4396661A1 (en) | 2021-08-31 | 2024-07-10 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for interfacing with a touch sensor |
| US12449932B2 (en) | 2021-08-31 | 2025-10-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for performing partial reads of a touch sensor |
| EP4396659A1 (en) | 2021-08-31 | 2024-07-10 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for interfacing with a touch sensor |
| TWI822174B (zh) * | 2022-07-12 | 2023-11-11 | 敦泰電子股份有限公司 | 主動筆接收電路及使用主動筆的觸控面板系統 |
| CN118151790A (zh) * | 2024-03-26 | 2024-06-07 | 深圳市汇顶科技股份有限公司 | 触控芯片及电子设备 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9036650B2 (en) | 2009-09-11 | 2015-05-19 | Apple Inc. | Automatic low noise frequency selection |
| US9285902B1 (en) | 2010-08-25 | 2016-03-15 | Parade Technologies, Ltd. | Multi-phase scanning |
| US20140204046A1 (en) | 2013-01-22 | 2014-07-24 | Pixart Imaging Inc. | Capacitive touch sensing device and detection method thereof |
| US9952732B2 (en) | 2014-12-10 | 2018-04-24 | Pixart Imaging Inc. | Capacitive touch device, capacitive communication device and communication system |
| CN106775142B (zh) * | 2015-12-31 | 2019-10-01 | 深圳市汇顶科技股份有限公司 | 电容感测电路 |
| JP2018072928A (ja) | 2016-10-25 | 2018-05-10 | シナプティクス インコーポレイテッド | センシングシステム、タッチ検出回路および半導体装置 |
-
2018
- 2018-08-09 JP JP2018150310A patent/JP7129268B2/ja active Active
-
2019
- 2019-08-06 US US16/533,490 patent/US10795503B2/en active Active
-
2020
- 2020-10-02 US US17/062,529 patent/US11126303B2/en active Active
-
2021
- 2021-08-20 US US17/407,766 patent/US11693511B2/en active Active
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