NDLI: Miniature ultrasonic imager for personal fitness tracking

Content Provider	IEEE Xplore Digital Library
Author	Hao-Yen Tang Dongjin Seo Maharbiz, M.M. Boser, B.E.
Copyright Year	2015
Description	Author affiliation: Berkeley Sensor & Actuator Center, Univ. of California, Berkeley, Berkeley, CA, USA (Hao-Yen Tang; Dongjin Seo; Maharbiz, M.M.; Boser, B.E.)
Abstract	A highly integrated low-power ultrasonic imager tracks changes of personal fitness by measuring the thickness of subcutaneous muscle and fat layers. The system combines a transducer fabricated from off-the-shelf PZT with a custom integrated circuit that implements all interface functions including high-voltage generation, beam forming, and and a low noise receiver for sensing and amplifying received echo. A novel transmit driver architecture is key to reducing the power dissipation of the high voltage circuits and enable battery operation. The system is capable of recording up to a depth of 6 cm in human tissue with 2mm depth resolution. Beam forming is used to improve signal strength and image quality in situations where the sensor and target are not parallel.
Starting Page	1
Ending Page	4
File Size	4177406
Page Count	4
File Format	PDF
e-ISBN	9781479981823
DOI	10.1109/ULTSYM.2015.0148
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-21
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transducers Application specific integrated circuits Ultrasonic imaging Acoustics Muscles Abdomen Power dissipation
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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