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| Presentation | 2014-07-03 10:25 Design of 1mm-Pitch 80x80-Channel 322Hz-Frame-Rate Touch Sensor with Two-Step Dual-Mode Capacitance Scan Noriyuki Miura (Kobe Univ.), Shiro Dosho (Panasonic), Daisuke Fujimoto, Takuya Kiriyama (Kobe Univ.), Hiroyuki Tezuka, Takuji Miki (Panasonic), Makoto Nagata (Kobe Univ.)  ICD2014-20 Link to ES Tech. Rep. Archives: ICD2014-20 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A 1mm-pitch 80x80-channel 322Hz-frame-rate capacitive touch sensor has been developed. Multiple touch points are detected by a two-step dual-mode capacitance scan to reduce a scan time increased in the high resolution. Row-and-column dedicated parallel ADCs further reduce the scan time. A time-domain counter-based slope ADC suppresses power and area penalty in the parallel ADC. A signal attenuation due to a sensor capacitance reduction in the high resolution is compensated by thorough noise-reduction techniques in the sensor analog frontend. A prototype in 0.35um CMOS demonstrates 41dB SNR with >3x higher pitch resolution, >10x faster touch-point scan, 12x and 4x higher energy and area efficiency to the-state-of-the-art touch sensors. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | capacitance / touch sensor / high resolution / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 120, ICD2014-20, pp. 7-12, July 2014. | |
| Paper # | ICD2014-20 | |
| Date of Issue | 2014-06-26 (ICD) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | ICD2014-20 Link to ES Tech. Rep. Archives: ICD2014-20 |
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| Conference Information | |
| Committee | ICD ITE-IST |
| Conference Date | 2014-07-03 - 2014-07-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Izumo-shi (Shimane) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Analog, Mixed Analog and Digital, RF, and Sensor Interface Circuitry |
| Paper Information | |
| Registration To | ICD |
| Conference Code | 2014-07-ICD-IST |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design of 1mm-Pitch 80x80-Channel 322Hz-Frame-Rate Touch Sensor with Two-Step Dual-Mode Capacitance Scan |
| Sub Title (in English) | |
| Keyword(1) | capacitance |
| Keyword(2) | touch sensor |
| Keyword(3) | high resolution |
| Keyword(4) | |
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| Keyword(8) | |
| 1st Author's Name | Noriyuki Miura |
| 1st Author's Affiliation | Kobe University (Kobe Univ.) |
| 2nd Author's Name | Shiro Dosho |
| 2nd Author's Affiliation | Panasonic Corporation (Panasonic) |
| 3rd Author's Name | Daisuke Fujimoto |
| 3rd Author's Affiliation | Kobe University (Kobe Univ.) |
| 4th Author's Name | Takuya Kiriyama |
| 4th Author's Affiliation | Kobe University (Kobe Univ.) |
| 5th Author's Name | Hiroyuki Tezuka |
| 5th Author's Affiliation | Panasonic Corporation (Panasonic) |
| 6th Author's Name | Takuji Miki |
| 6th Author's Affiliation | Panasonic Corporation (Panasonic) |
| 7th Author's Name | Makoto Nagata |
| 7th Author's Affiliation | Kobe University (Kobe Univ.) |
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| Speaker | Author-2 |
| Date Time | 2014-07-03 10:25:00 |
| Presentation Time | 25 minutes |
| Registration for | ICD |
| Paper # | ICD2014-20 |
| Volume (vol) | vol.114 |
| Number (no) | no.120 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2014-06-26 (ICD) |
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