BS EN 60503-1998 Spools for broadcast videotape recorders (VTRS)《广播磁带录像机用卷筒》.pdf
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1、BRITISH STANDARD BS EN 60503:1998 IEC 60503: 1998 Spools for broadcast videotape recorders (VTRS) The European Standard EN 60503:1998 has the status of a British Standard ICS 33.160.40BSEN60503:1998 This British Standard, having been prepared under the directionof the Electrotechnical Sector Board,
2、was published underthe authority of the Standards Board and comes intoeffect on 15June1998 BSI 04-1999 ISBN 0 580 29930 9 National foreword This British Standard is the English language version of EN 60503:1998. It is identical with IEC60503:1998. It supersedes BS5575:1978 which will be withdrawn on
3、2001-01-01. The UK participation in its preparation was entrusted by Technical Committee EPL/100, Audio, video and multimedia systems and equipment, to Subcommittee EPL/100/3, Equipment and systems in the field of audio, video and audiovisual engineering, which has the responsibility to: aid enquire
4、rs to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations repr
5、esented on this subcommittee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number60000 added to the old number. For instance, IEC27-1 has been renumbered as IEC60027-1. For a period of time during the change over from one numbering system to the othe
6、r, publications may contain identifiers from both systems. Cross-references Attention is drawn to the fact that CEN and CENELEC standards normally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards whi
7、ch implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include a
8、ll 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 comprises a front cover, an inside front cover, pages i an
9、d ii, theEN title page, pages 2 to 8, an inside back cover and a back cover. 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. Amendments issued since publication Amd. No. Date Commen
10、tsBSEN60503:1998 BSI 04-1999 i Contents Page National foreword Inside front cover Foreword 2 Text of EN 60503 3ii blankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60503 April 1998 ICS 33.160.40 Descriptors: Recording apparatus, magnetoscopes, video recording, magnetic tapes, bobbins, dimens
11、ions English version Spools for broadcast videotape recorders (VTRS) (IEC 60503:1998) Bobines pour magntoscopes de radiodiffusion (CEI 60503:1998) Spulen fr Videobandgerte fr den Rundfunk (VTRS) (IEC60503:1998) This European Standard was approved by CENELEC on1998-04-01. CENELEC members are bound to
12、 comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Centra
13、l Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same stat
14、us as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC Europea
15、n Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1998 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENEL
16、EC members. Ref. No. EN 60503:1998 EEN60503:1998 BSI 04-1999 2 Foreword The text of document 100B/110/FDIS, future edition2 of IEC60503, prepared by SC60B, Video recording, then by SC100B, Recording, of IECTC100, Audio, video and multimedia systems and equipment, was submitted to the IEC-CENELEC par
17、allel vote and was approved by CENELEC as EN60503 on1998-04-01. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard
18、IEC60503:1998 was approved by CENELEC as a European Standard without any modification. Contents Page Foreword 2 1 Scope and object 3 2 Normative references 3 3 Nominal spool sizes 3 4 Spool dimensions 4 5 Spool diagram 7 Annex ZA (normative) Normative references to international publications with th
19、eir corresponding European publications Inside back cover Figure 1 Spool type C, type B, transverse 7 Table 1 Nominal spool size 3 Table 2a Spool type C, spool dimensions 4 Table 2b Spool type C, dimension B 4 Table 3a Spool type B, spool dimensions 5 Table 3b Spool type B, dimension B 5 Table 4a Sp
20、ool transverse type, spool dimensions 6 Table 4b Spool transverse type, dimensions B 6 latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 1999-01-01 latest date by which the national standards conflicting with
21、the EN have to be withdrawn (dow) 2001-01-01EN60503:1998 BSI 04-1999 3 1 Scope and object This International Standard is applicable to tape spools which are used with video recorders for broadcast purposes. The object of this standard is to standardize the spools used throughout the various broadcas
22、t video recording formats. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All normative documents are subject to re
23、vision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents listed below. Members of ISO and IEC maintain registers of currently valid International Standards. IEC 60347:1982, Tra
24、nsverse track recorders. IEC 60558:1982, Type C helical video tape recorders. IEC 60602:1980, Type B helical video recorders. 3 Nominal spool sizes Table 1 Nominal spool size Tape size Format Nominal diameter of spools Dimensions IEC standard Table Figure mm in 25,40 mm/1,0 in Type C 165 203 229 248
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