1、CL . EUROPEAN STANDARD EN 2484 NORME EUROPENNE * EUROPISCHE NORM January 1989 UDC : 778.1 4.072 : 681.327.4 : 77.068.26 : 744.4 : 629.7 Key words : Aircraft industry, microfilm, information interchange, aperture cards, technical drawings English version Aerospace series M ic rof i I mi ng of draw i
2、ngs Aperture card for 35 mm microfilm Srie arospatiale Luft- und Raumfahrt Microfilmage des dessins Zeichnungsverfilrnung Carte fentre pour microfilm 35 mm Mikrofilm-Lochkarte fr Film 35 mm This European Standardwasacceptedby CEN on 1988-03-1 7. CEN membersarebound to comply with the requirements of
3、 CEN Internal Regulations which stipulate the conditionsfor giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards maybe obtained on applicationtothe CEN Central Secretariat ortoany CE
4、N member. This European Standard exists in three official versions (English, French, German). Aversion in any other language made bytranslation under the responsibility of a CEN member into its own language and notified to CEN Central Secretariat has the same status as the official versions. CEN mem
5、bers are the national standards organizations of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. ” CEN European Committee for Standardization Comit Europen de Normalisation
6、Europisches Komitee fr Normung Central secretariat : Rue Brderode 2, B-1 O00 Bruxelles CEN 1989 Copyright reserved to all CEN members Ref. Nr EN 2484 : 1989 E CEN ENx248Li 87 m 3LiOLi589 0002353 T m v EN 2404 Page 2 BRIEF HISTORY This draft European Standard has been prepared by the European Associa
7、tion of Aerospace Manufacturers (AECMA). After enquiries and votes carried out in accordance with the rules of this Association, this draft has successively received the approval of the Rational Associations and the Official Services of the member countries of AECW, prior to its presentation to CEN.
8、 In accordance with the Common CEN/CENELEC Rules, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN
9、EN*Z484 89 340q589 0002352 L EN 2484 Page3 Contents Introduction Scope and field of application References Be qu i r ment 6 Control and identification characteristics Designation Location of microimage Punching of data CEN EN*2484 89 m 3404589 0002353 3 m EN 3484 Page 4 O Introduction Technical draw
10、ings and associated documents can be transferred to microfilm for simplified handling in the exchange of information within and between organizations. By combining a slave card with an aperture card containing a microimage on 35 mm film, the information content is increased, handling of the aperture
11、 card is reduced, and it is possible to use the slave card for data processing. 1 Scope and field of application This standard specifies the aperture card for 35 mm microfilm and the column allocation and data entry of the control and identification characteristics for aerospace using card code A (s
12、ee clause 4). 2 References IS0 1681-1973 Information processing - Unpunched paper cards - Specif ication IS0 3272/3-1975 Microcopying of technical drawings and other drawing office documents - Part 3 - Unitized 35 mm microfilm carriers IS0 6586-1980 Data processing - Implementation of the IS0 7-bit
13、and 8-bit coded character sets on punched cards. 3 Requirements 3.1 Unprinted microfilm aperture card The microfilm aperture card shall conform to IS0 1681 and ISO3272/3. 3.2 Printed microfilm aperture card All printed data shall conform to the figure and appear on the front face of the microfilm ap
14、erture card. The identification of the card manufacturer shall appear outside the data area at the lower card edge only. 3.3 Identification The identification of the microfilm aperture card shall consist of : - standard number EN 2484, - card code A, - code of the language in which the card is print
15、ed (see table 4), and shall be given outside the data area on the right hand edge of the card (see f igure) . II e card mlcur neutral neutral orange or CEN EN*Z453 07 3404589 0002354 5 = EN 2484 Page 5 Colour Designation strip code me A orme B Ty3ne C 3.4 Companys or authoritys logo 1 2 1 The name a
16、nd/or the symbol of the company or authority responsible for the microfilm aperture card shall be indicated below the aperture. Exailsion side back rigina film EIrailsion side front Duplicate film Rnulsian side back Duplicate film 3.5 Copyright neutral- Or: yeav A copyright reference may be given be
17、low the companys or .authoritys logo to protect the technical content of the microimage. yellw D none E 3.6 Identification of emulsion side and film type The position of the emulsion side of the mcunted microimage shall be marked on the microfilm aperture card by a code number according to table 1 o
18、n the right next to the aperture. The film type is indicated by complete colouring of the microfilm aperture card or by a colour strip of 5 mm across the upper edge of the card (see table 1). Table 1 - rio. 1-characteristic I Film type 4 Control and identification characteristics Punching positions
19、of columns are used for control and identification of microfilm aperture cards, The mounted microimage is the primary data carrier. The column allocation for the microfilm aperture card (see. figure) and data entry is defined and explained by the card code A in table 2. The card code identifies micr
20、ofilm aperture cards of different column allocation, CEN ENx248i.I 89 m 3404589 0002355 7 m EN 2484 Page 6 i I I I I I I I I I I I I il I I I l I I I I I I 4 -1 CEN ENmZ48q 87 3qOq589 O002356 9 t L. EN 2484 Page 7 5 to 31 32 to 34 Table 2 - Column allocation and data entry for card code A 27 Documen
21、t number Left- justified 3 Sheet number SEIT; NO. Right- justified Number Of Designation and short code I digits I Column 38 to 41 42 and 43 44 and 45 46 to 50 51 52 = Document code DOC. CODE 4 Update issue ISSUE Alphabetic code left-justi- fied; numeric code right- just if ied 2 Frame number FR. NO
22、. When microfilming a one- 2 Number of frames NO. FRS. . sections, right-justifie 5 Manufacturers MA“. CODE Code number of the com- -part technical document in code pany or authority having established the technical document. 1 Card code cc Letter code “A“ 1 Securitiy S Code number according to clas
23、sification table 3 or in line with code the regulations of the security organizatipns Data entry Available for internal use. Remains blank for exchange between organizations. Alphabetic code left justi- fied; numeric code right- jus tif i ed 79 80 - 1 (blank) 1 Document size DS Code number according
24、 code to table 5 35 to 37 I 3 I Number of -sheets NO. CEITS. I Right-justified (Microimage j No punching Code letter according to table 4 EN 2484 Page 8 8 VEHITRAULICH CCMFIDENTIX code no. mm CEN EN*248Li 87 W 3404587 0002357 O W code letter Table 3 - Security classification code Language OFFEN VS-N
25、URFURDEN DIEN- vs - VmEmJLJCH - united Kingdoan UNCLASSIFIED I?EsnucrED TOP SFmm France COCMIC TOP isEmEl? 9 I I I I Table 4 - Language code I- I D I I NL EN 2484 Page 9 code Cocurrient no. size O AO Size in rrnn Associated reduction factor (ncminal vaiue) 841 x 1189 30 21 I 1 I Al I 594 x 841 2 3 4
26、 - A2 420 x 594 15 A3 297 x 420 15 A4 210 x 297 15 Note: When technical dccumnts are microfilmi in sections, the code nimiber shall be punched which correspnds to the size of the frame. Number o EN-standard A Card code he de nmrixir to be sei Technical Help to Exporters; and other services. Advice c
27、an be obtained from the Enquiry Section, BSI, Milton Keynes MK14 6LE, telephone 0908 221 166, telex 825777. Copyright. Users of British Standards are reminded that copyright subsists in all BSI publications. No part of this publication may be reproduced in any form without the prior permission in wr
28、iting of BSI. This does not preclude the free use, in the course of Date of issue Text affected Brit ish Standard EN 2484 : 1989 implementing the standard, of necessary details such as symbols and size, type or grade designations. Enquiries should be addressed to the Publications Manager, BSI, Linfo
29、rd Wood, Milton Keynes MK14 6LE. The number for telephone enquiries is 0908 220022 and for telex 825777. Contract requirements. 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. Revisio
30、n of British Standards. British Standards are revised, when necessary, by the issue either of amendments or of revised editions. It is important that users of British Standards should ascertain that they are in possession of the latest amendments or editions. Automatic updating service. BSI provides
31、 an economic, individual and automatic standards updating service called PLUS. Details are available from BSI Enquiry Section at Milton Keynes, telephone 0908 221 166, telex 825777. Cooperating organizations The European Committee for Standardization, under whose supervision this European Standard w
32、as prepared, comprises the national standards organizations of the following Western European countries. Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standardiseringsraad Finland Suomen Standardisoimisliito, r.y. France Association francaise de nor
33、malisation Germany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Icelandic Council for Standardization Ireland Italy Luxemburg Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Sp
34、ain Instituto Espatol de Normalizacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation United Kingdom British Standards Institution National Standards Authority of Ireland Ente Nazionale Italiano di Unificazione Inspection des travails et des mines Amendm
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36、ritish Standard, encounters an inaccuracy or ambiguity, is requested to notify BSI without delay in order that the matter may be investigated and appropriate action taken. ml 2; lu! British Standards institution . 2 Park Street London WIA 2BS . Telephone 01-629 9000 - Telex 266933 8910-5-1.25 7 I 7 ACE/-I1 P 001 Pi
