HK1175940A2 - Positioning system and method based on ultrasound - Google Patents
Positioning system and method based on ultrasoundInfo
- Publication number
- HK1175940A2 HK1175940A2 HK13103506.6A HK13103506A HK1175940A2 HK 1175940 A2 HK1175940 A2 HK 1175940A2 HK 13103506 A HK13103506 A HK 13103506A HK 1175940 A2 HK1175940 A2 HK 1175940A2
- Authority
- HK
- Hong Kong
- Prior art keywords
- ultrasound
- method based
- positioning system
- positioning
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HK13100863.9A HK1174195A2 (en) | 2013-01-18 | 2013-01-18 | Positioning system and method based on ultrasound |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1175940A2 true HK1175940A2 (en) | 2013-07-12 |
Family
ID=48482777
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK13103506.6A HK1175940A2 (en) | 2013-01-18 | 2013-01-18 | Positioning system and method based on ultrasound |
HK13100863.9A HK1174195A2 (en) | 2013-01-18 | 2013-01-18 | Positioning system and method based on ultrasound |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK13100863.9A HK1174195A2 (en) | 2013-01-18 | 2013-01-18 | Positioning system and method based on ultrasound |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN103941228B (en) |
HK (2) | HK1175940A2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104459626A (en) * | 2014-11-13 | 2015-03-25 | 南昌大学 | Ultrasonic wave indoor positioning method based on CDMA-TDMA combination |
CN108647683B (en) * | 2018-04-28 | 2021-08-17 | 浙江大学 | Method and system for generating character confrontation verification code based on frequency domain noise addition |
CN109001683A (en) * | 2018-07-16 | 2018-12-14 | 柳州治业科技有限公司 | One kind being used for indoor ultrasonic positioning system |
CN113030848A (en) * | 2021-03-19 | 2021-06-25 | 星阅科技(深圳)有限公司 | Device for distinguishing whether sound is directional sound source |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003344012A (en) * | 2002-05-29 | 2003-12-03 | Sony Corp | Apparatus and method for position recognition |
US8614695B2 (en) * | 2005-06-07 | 2013-12-24 | Intel Corporation | Ultrasonic tracking |
AU2008231407B2 (en) * | 2007-03-27 | 2012-05-17 | Qualcomm Incorporated | System and method for positioning |
JP5157931B2 (en) * | 2009-01-20 | 2013-03-06 | 大日本印刷株式会社 | Information embedding device for acoustic signal and position detecting device using acoustic signal |
CN102033222B (en) * | 2010-11-17 | 2013-02-13 | 吉林大学 | Large-scale multiple-object ultrasonic tracking and locating system and method |
CN102156285A (en) * | 2011-03-16 | 2011-08-17 | 杭州华韵天略电子科技有限公司 | Method and system for performing three-dimensional location by ultrasonic waves |
-
2013
- 2013-01-18 HK HK13103506.6A patent/HK1175940A2/en not_active IP Right Cessation
- 2013-01-18 HK HK13100863.9A patent/HK1174195A2/en not_active IP Right Cessation
-
2014
- 2014-01-10 CN CN201410013314.5A patent/CN103941228B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN103941228A (en) | 2014-07-23 |
HK1174195A2 (en) | 2013-05-31 |
CN103941228B (en) | 2016-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PEU | Short-term patents expired |
Effective date: 20210117 |