TWI263035B - Optical movement sensing module and its optical movement sensor - Google Patents
Optical movement sensing module and its optical movement sensorInfo
- Publication number
- TWI263035B TWI263035B TW094101407A TW94101407A TWI263035B TW I263035 B TWI263035 B TW I263035B TW 094101407 A TW094101407 A TW 094101407A TW 94101407 A TW94101407 A TW 94101407A TW I263035 B TWI263035 B TW I263035B
- Authority
- TW
- Taiwan
- Prior art keywords
- reflective beam
- under test
- object under
- optical movement
- light source
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 3
- 230000009466 transformation Effects 0.000 abstract 2
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
- G01P3/366—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light by using diffraction of light
-
- 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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW094101407A TWI263035B (en) | 2005-01-18 | 2005-01-18 | Optical movement sensing module and its optical movement sensor |
US11/329,713 US7336368B2 (en) | 2005-01-18 | 2006-01-10 | Optical detecting module and optical detector thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW094101407A TWI263035B (en) | 2005-01-18 | 2005-01-18 | Optical movement sensing module and its optical movement sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200626872A TW200626872A (en) | 2006-08-01 |
TWI263035B true TWI263035B (en) | 2006-10-01 |
Family
ID=36683523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094101407A TWI263035B (en) | 2005-01-18 | 2005-01-18 | Optical movement sensing module and its optical movement sensor |
Country Status (2)
Country | Link |
---|---|
US (1) | US7336368B2 (zh) |
TW (1) | TWI263035B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2443662A (en) * | 2006-11-09 | 2008-05-14 | Firecomms Ltd | Laser motion detector |
CN103398947B (zh) * | 2009-03-26 | 2016-03-23 | 浜松光子学株式会社 | 光照射装置及光测定装置 |
EP2491336B1 (en) * | 2009-10-23 | 2013-03-27 | Koninklijke Philips Electronics N.V. | Self-mixing interference device with wave guide structure |
KR101275388B1 (ko) * | 2010-04-14 | 2013-06-14 | 삼성전기주식회사 | 광포인팅 모듈 및 전자 장치 |
CN104571638A (zh) * | 2014-12-18 | 2015-04-29 | 安沛科技股份有限公司 | 光标指示器 |
KR101766978B1 (ko) * | 2015-12-01 | 2017-08-09 | 엘지전자 주식회사 | 디스플레이 장치와 이를 포함하는 차량 |
US11366246B2 (en) | 2018-09-25 | 2022-06-21 | Apple Inc. | Beam-tilting light source enclosures |
US11740071B2 (en) | 2018-12-21 | 2023-08-29 | Apple Inc. | Optical interferometry proximity sensor with temperature variation compensation |
US11156456B2 (en) | 2019-05-21 | 2021-10-26 | Apple Inc. | Optical proximity sensor integrated into a camera module for an electronic device |
US11473898B2 (en) | 2019-05-24 | 2022-10-18 | Apple Inc. | Wearable voice-induced vibration or silent gesture sensor |
US11874110B2 (en) | 2020-09-25 | 2024-01-16 | Apple Inc. | Self-mixing interferometry device configured for non-reciprocal sensing |
US11629948B2 (en) * | 2021-02-04 | 2023-04-18 | Apple Inc. | Optical interferometry proximity sensor with optical path extender |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6233045B1 (en) * | 1998-05-18 | 2001-05-15 | Light Works Llc | Self-mixing sensor apparatus and method |
KR100813428B1 (ko) | 2000-11-06 | 2008-03-13 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 입력 장치의 움직임 측정 방법 |
US7126586B2 (en) * | 2004-09-17 | 2006-10-24 | Microsoft Corporation | Data input devices and methods for detecting movement of a tracking surface by detecting laser doppler self-mixing effects of a frequency modulated laser light beam |
-
2005
- 2005-01-18 TW TW094101407A patent/TWI263035B/zh not_active IP Right Cessation
-
2006
- 2006-01-10 US US11/329,713 patent/US7336368B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20060158654A1 (en) | 2006-07-20 |
US7336368B2 (en) | 2008-02-26 |
TW200626872A (en) | 2006-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |