Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1991
Title: Caution plate = 警示牌
Authors: Siu, Kin-wai Michael (邵健偉)
Issue Date: 28-Nov-2007
Publisher: 中华人民共和国国家知识产权局
Source: 中国专利 ZL 200620157173.5
Abstract: 本实用新型为一种警示牌,包括标牌,发光警示装置,发声警示装置及警示控制单元。本实用新型的优点在于该具有声光装置的警示牌,结构简单,易于识别,并能通过多种方式为残障人士提供警示信息。
Rights: 专利权人: The Hong Kong Polytechnic University.
Type: Patent
URI: http://hdl.handle.net/10397/1991
Appears in Collections:Patents of PolyU
SD Patents

Files in This Item:
File Description SizeFormat 
ZL200620157173.5.pdf228.45 kBAdobe PDFView/Open


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.