Document Detail


Development of the standard ISO 7779 3rd edition: Revised and new contents.
MedLine Citation:
PMID:  20330404     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
ISO 7779 is a noise test code for airborne noise emission of information technology and telecommunications equipment (so called, ITTE). Since its 1st edition of 1988, ISO 7779 has stated, in detail, the installation and operating conditions for specific equipment categories. In nature of ITTE, however, changing of the product characteristics is much faster than the pace of standard document updates. For instance, most models of copy machines and printers (except some dedicated high speed machines) are almost being combined into new category, so called, multi-functional devices. To catch such rapid changes up timely, it becomes impractical to state specific condition within this International standard. Therefore, ISOTC43SC1WG23 which is responsible for ISO 7779 decided to propose new frame work so that 3rd edition should refer to ECMA-74, annex C, which has been the industrial counterpart and also pilot standard of ISO 7779. This paper introduces background of key changes from 2nd edition and new technical contents for ITTE noise emission measurement methodologies.
Authors:
Ikuo Kimizuka
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of the Acoustical Society of America     Volume:  127     ISSN:  1520-8524     ISO Abbreviation:  J. Acoust. Soc. Am.     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-03-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503051     Medline TA:  J Acoust Soc Am     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1831     Citation Subset:  IM    
Affiliation:
IBM Japan, Ltd., 1623-14, Shimotsuruma,Yamato-shi, Kanagawa-ken 242-8502, Japan, kmzk@jp.ibm.com.
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