BS ISO 9923-1994 Micrographics - Transparent A6 microfiche - Image arrangements《缩微摄影技术 透明A6缩微平片 图像排列》.pdf
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1、BRITISH STANDARD BS ISO 9923:1994 Implementation of ISO 9923:1994 Micrographics Transparent A6 microfiche ImagearrangementsBSISO9923:1994 This British Standard, having been prepared under the directionof the Information and Documentation Technology Standards Policy Committee, waspublished under the
2、authorityof the Standards Boardand comes into effect on 15August 1994 BSI 08-1999 The following BSI references relate to the work on this standard: Committee reference DOT/16 Draft for comment 89/95887 DC ISBN 0 580 23224 7 Committees responsible for this British Standard The preparation of this Bri
3、tish Standard was entrusted by the Information and Documentation Standards Policy Committee (DOT/-) to Technical Committee DOT/16, upon which the following bodies were represented: British Computer Society British Library British Office Technology Manufacturers Alliance British Photographic Associat
4、ion Computer Graphics Suppliers Association Cranfield Imaging and Document Management User Group Her Majestys Stationery Office KODAK Limited Library Association London Borough of Bromley National Centre for Information Media and Technology (Cimtech) Records Management Society United Kingdom Associa
5、tion for Information and Image Management The following bodies were also presented in the drafting of the standard, through subcommitties and panels: Association of Phtographic Technicians Federation of the Electronics Industry Ministry of Defence Amendments issued since publication Amd. No. Date Co
6、mmentsBSISO9923:1994 BSI 08-1999 i Contents Page Committees responsible Inside front cover National foreword ii Foreword iv Text of ISO 9923 1BSISO9923:1994 ii BSI 08-1999 National foreword This British Standard reproduces verbatim ISO 9923:1994 and implements it as the UK national standard. This Br
7、itish Standard is published under the direction of the Information and Documentation Standards Policy Committee whose Technical Committee DOT/16 has the responsibility to: aid enquirers to understand the text; present to the responsible international committee any enquiries on interpretation, or pro
8、posals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. NOTEInternational and European Standards, as well as overseas standards, are available from Customer Services, Publications, BSI, Linford Wood, Milton Keynes, MK1
9、4 6LE. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document com
10、prises a front cover, an inside front cover, pages i and ii, theISOtitle page, pages ii to iv, pages 1 to 19 and abackcover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.ISO9923:1
11、994(E) ii BSI 08-1999 Contents Page Foreword iv 1 Scope 1 2 Normative references 1 3 Definitions 1 4 Basic characteristics of microfiche 1 4.1 Physical characteristics 1 4.2 Heading 2 4.3 Identification of the image frames 3 4.4 Cut mark 3 5 Frame formats of 49 and 98 (most commonly used for source
12、documents) 3 5.1 Dimensions and image arrangements 3 5.2 Lower and side margins 4 5.3 Microimage placement and orientation 4 5.4 Reduction ratio 4 5.5 Technical target 4 5.6 Index 4 5.7 Microfilming large documents 4 5.8 Symbols 4 6 Frame formats of 270 and 420 (most commonly used for COM) 4 6.1 Dim
13、ensions and image arrangements 4 6.2 Lower and side margins 4 6.3 Microimage placement and orientation 5 6.4 Reduction ratio 5 6.5 Index 5 7 Single-frame format (most commonly used with cartography and largedrawings) 5 7.1 Dimensions 5 7.2 Lower and side margins 5 8 Processing and storage 5 9 Contro
14、l of microimage quality 6 9.1 Microfiche of source documents 6 9.2 COM microfiche 6 10 Density 6 Annex A (informative) Other microfiche of uniform and of variable division 11 Annex B (informative) Variation of the dimensional characteristics ofthemicrofiche 19 Annex C (informative) Notes on computer
15、 output microfiche 19 Figure 1 Presentation of the heading area 3 Figure 2 Standard sequences for sectionalising large documents 5 Figure 3 Image arrangement for 49 and 98 frame formats 7 Figure 4 Image arrangement for 270 frame format 8 Figure 5 Image arrangement for 420 frame format 9 Figure 6 Sin
16、gle image microfiche 10 Figure A.1 Image arrangement 63 images 12 Figure A.2 Image arrangement 84 images 13 Figure A.3 Image arrangement 210 images 14 Figure A.4 Image arrangement 30 and 60 frame format 15 Figure A.5 Image arrangement for 208 frame format 16 Figure A.6 Image arrangement for 325 fram
17、e format 17ISO9923:1994(E) BSI 08-1999 iii Page Figure A.7 Image arrangement for 2, 4, 8, 16, 32 and 64 variable divisionframe formats 18 Table 1 Microfiche layout 3 Table 2 Minimum legibility (resolution values) 6 Table A.1 Microfiche layout 11ISO9923:1994(E) iv BSI 08-1999 Foreword ISO (the Intern
18、ational Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has b
19、een established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical sta
20、ndardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 9923 was prepared by Technical C
21、ommittee ISO/TC 171, Micrographics and optical memories for document and image recording, storage and use. This first edition cancels and replaces ISO 2707:1980, ISO 2708:1980 and ISO5126:1980. The most significant technical changes from these standards are the following: source document microfiche,
22、 of uniform and of variable formats, and COM microfiche are now covered by a single standard; the image arrangements of 49, 98, 270 and 420 frames and the single microfiche are part of the standard; uniform formats with image arrangements of 30, 60, 63, 84, 208, 210 and325 frames and variable format
23、s with image arrangements of2,4,8,16,32 and 64 frames are dealt with in an annex; the image arrangements of 270 and 420 frames can be used for the microfilming of source documents (reduction ratio 1 : 48); the index pagination method has been changed. Annex A, Annex B and Annex C of this Internation
24、al Standard are for information only.ISO9923:1994(E) BSI 08-1999 1 1 Scope This International Standard specifies the characteristics of transparent A6 size microfiche, from both source documents and COM, intended for international interchange of information and for micropublishing. It is applicable
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