PolyU IR
 

PolyU Institutional Repository >
Health Technology and Informatics >
HTI Patents >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/125

Title: Audio trigger devices
Authors: Zheng, Yong-Ping
Subjects: Audio trigger devices
Audio signals
Issue Date: 7-Sep-2004
Citation: US Patent 6,788,983 B2. Washington, DC: US Patent and Trademark Office, 2004.
Abstract: An audio trigger device has a number of buttons that can be depressed to create different audio signals with 5 different features. The audio signals are used to remotely control a computer running slide presentation software that has an audio channel to collect sound signals. The features of the audio signals are detected by the computer as commands for controlling the progress of the slide presentation by simulating keystrokes, mouse actions, or their combinations for the control commands of the presentation software.
Rights: Assignee: The Hong Kong Polytechnic University.
Type: Patent
URI: http://hdl.handle.net/10397/125
Appears in Collections:HTI Patents
Patents of PolyU

Files in This Item:

File Description SizeFormat
us6788983b2.pdf655.76 kBAdobe PDFView/Open



Facebook Facebook del.icio.us del.icio.us LinkedIn LinkedIn


All items in the PolyU Institutional Repository are protected by copyright, with all rights reserved, unless otherwise indicated.
No item in the PolyU IR may be reproduced for commercial or resale purposes.

 

© Pao Yue-kong Library, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
Powered by DSpace (Version 1.5.2)  © MIT and HP
Feedback | Privacy Policy Statement | Copyright & Restrictions - Feedback