EN 2484-1989 en Microfilming of Drawings Aperture Card for 35 mm Microfilm《航空航天系列 缩微胶片制图 35mm缩微胶片穿孔卡》.pdf
《EN 2484-1989 en Microfilming of Drawings Aperture Card for 35 mm Microfilm《航空航天系列 缩微胶片制图 35mm缩微胶片穿孔卡》.pdf》由会员分享,可在线阅读,更多相关《EN 2484-1989 en Microfilming of Drawings Aperture Card for 35 mm Microfilm《航空航天系列 缩微胶片制图 35mm缩微胶片穿孔卡》.pdf(11页珍藏版)》请在麦多课文档分享上搜索。
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
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