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    BS EN 60774-2-2000 Helical-scan video tape cassette system using 12 65 mm (0 5 in) magnetic tape on type VHS - FM audio recording《使用VHS型12 65mm(0 5in)磁带的螺旋扫描盒式磁带录像系统 调频录音》.pdf

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    BS EN 60774-2-2000 Helical-scan video tape cassette system using 12 65 mm (0 5 in) magnetic tape on type VHS - FM audio recording《使用VHS型12 65mm(0 5in)磁带的螺旋扫描盒式磁带录像系统 调频录音》.pdf

    1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 60774-2:2000 IEC 60

    2、774-2:1999 The European Standard EN 60774-2:2000 has the status of a British Standard ICS 33.160.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type VHS Part 2: FM audio recordingThis British

    3、Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 September 2000 BSI 09-2000 ISBN 0 580 36437 2 BS EN 60774-2:2000 Amendments issued since publication Amd. No. Date Com

    4、ments National foreword This British Standard is the official English language version of EN 60774-2:2000. It is identical with IEC 60774-2:1999. It supersedes BS EN 61054:1993 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee EPL/100, Audio, video and

    5、multimedia systems, to Subcommittee EPL/100/2, Recording, which has the responsibility to: aid enquirers 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 relat

    6、ed international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been ren

    7、umbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, 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 reference

    8、s to international publications with their corresponding European publications. The British Standards which 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 “F

    9、ind” facility of the BSI Standards Electronic Catalogue. 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 leg

    10、al obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.Page 2 EN 60774-2:2000%6, &217(176 3DJH &ODXVH 6FRSH 1RUPD

    11、WLYHUHIHUHQFHV 5HFRUGLQJPHWKRG 0HFKDQLFDOFRQILJXUDWLRQ )0DXGLRWUDFNSDWWHUQ +HDGDLPXWKDQJOHV 5HFRUGLQJWLPHGLIIHUHQFH 5HFRUGLQJFKDUDFWHULVWLFV 1RLVHUHGXFWLRQ 3UHHPSKDVLV &DUULHUFHQWUHIUHTXHQF )UHTXHQFGHYLDWLRQ 0RGXODWLRQSRODULW 5HFRUGLQJOHYHO 2WKHUVXEMHFWVFKDQQHODSSOLFDWLRQ )LJXUH7UDFNDUUDQJHPHQW )LJX

    12、UH3UHHPSKDVLVIUHTXHQFUHVSRQVH )LJXUH6LJQDOVSHFWUXP )LJXUH%ORFNGLDJUDPRI)0DXGLRUHFRUGLQJ )LJXUH%ORFNGLDJUDPRIQRLVHUHGXFWLRQVVWHP )LJXUH$(QFRGHUWUDQVLHQWPHDVXUHPHQWPHWKRG 7DEOH)0DXGLRWUDFNGLPHQVLRQV 7DEOH+HDGDLPXWKDQJOHV 7DEOH&DUULHUFHQWUHIUHTXHQFLHV 7DEOH&KDQQHODSSOLFDWLRQV $QQH$QRUPDWLYH(QFRGHUWUDQV

    13、LHQWPHDVXUHPHQWPHWKRG $QQH =$ QRUPDWLYH 1RUPDWLYH UHIHUHQFHV WR LQWHUQDWLRQDO SXEOLFDWLRQV ZLWK WKHLU FRUUHVSRQGLQJ(XURSHDQSXEOLFDWLRQV Page 3 EN 60774-2:2000%6, +(/,&$/6&$19,(27$3(&$66(77(667(0 86,1*PPLQ0$*1(7,&7$3(2173(9+6 3DUW)0DXGLRUHFRUGLQJ 6FRSH 7KLVSDUWRI,(&LVDSSOLFDEOHWRIUHTXHQFPRGXODWLRQ)0D

    14、XGLRUHFRUGLQJIXOO FRPSDWLEOHZLWKWKH9+6VVWHPGHILQHGLQ,(& 7KHREMHFWRIWKLVVWDQGDUGLVWRGHILQHWKHHOHFWULFDODQGPHFKDQLFDOFKDUDFWHULVWLFVRI)0 DXGLRUHFRUGLQJZKLFKZLOOSURYLGHIRUWKHLQWHUFKDQJHDELOLWRIUHFRUGHGFDVVHWWHV7KH UHTXLUHPHQWVJLYHQUHODWHWROLQHILHOGDQGOLQHILHOGVVWHPV 1RUPDWLYHUHIHUHQFHV 7KHIROORZLQJQRUP

    15、DWLYHGRFXPHQWVFRQWDLQSURYLVLRQVZKLFKWKURXJKUHIHUHQFHLQWKLVWHW FRQVWLWXWH SURYLVLRQV RI WKLV SDUW RI ,(& )RU GDWHG UHIHUHQFHV VXEVHTXHQW DPHQGPHQWVWRRUUHYLVLRQVRIDQRIWKHVHSXEOLFDWLRQVGRQRWDSSO+RZHYHUSDUWLHVWR DJUHHPHQWVEDVHGRQWKLVSDUWRI,(&DUHHQFRXUDJHGWRLQYHVWLJDWHWKHSRVVLELOLWRI DSSOLQJWKHPRVWUHFHQW

    16、HGLWLRQVRIWKHQRUPDWLYHGRFXPHQWVLQGLFDWHGEHORZ)RUXQGDWHG UHIHUHQFHVWKHODWHVWHGLWLRQRIWKHQRUPDWLYHGRFXPHQWUHIHUUHGWRDSSOLHV0HPEHUVRI,(& DQG,62PDLQWDLQUHJLVWHUVRIFXUUHQWOYDOLG,QWHUQDWLRQDO6WDQGDUGV ,(& +HOLFDOVFDQYLGHRWDSHFDVVHWWHVVWHPXVLQJPPLQ PDJQHWLFWDSHRQWSH9+63DUW9+6DQGFRPSDFW9+6YLGHRFDVVHWWHVVWHP

    17、 5HFRUGLQJPHWKRG 7KHPHWKRGRIUHFRUGLQJDXGLRVLJQDOVEIUHTXHQFPRGXODWLRQLVVSHFLILHG 7KHDXGLRVLJQDOLVUHFRUGHGLQWKHGHHSODHURIWKHPDJQHWLFWDSHLQWKHYLGHRWUDFNDUHD SULRUWRWKHYLGHRUHFRUGLQJZLWKDGGLWLRQDODXGLRKHDGVPRXQWHGRQWKHFRPPRQYLGHR URWDWLQJGUXP7KHYLGHRVLJQDOLVUHFRUGHGRQWKHVXUIDFHODHUDFFRUGLQJWR,(& GHSWKPX

    18、OWLSOHUHFRUGLQJVVWHP 7KHDXGLRDQGYLGHRKHDGVKDYHGLIIHUHQWLQFOLQHGDLPXWKJDSDQJOHVLQRUGHUWRSUHYHQW PXWXDOLQIOXHQFHVEHWZHHQDXGLRDQGYLGHRVLJQDOV 0HFKDQLFDOFRQILJXUDWLRQ )0DXGLRWUDFNSDWWHUQ 7KH)0DXGLRWUDFNVDUHORFDWHGLQWKHFHQWUHRIWKHYLGHRWUDFNVDVVKRZQLQILJXUH7KH GLPHQVLRQVVKDOOEHLQDFFRUGDQFHZLWKWDEOH Page 4

    19、 EN 60774-2:2000%6, 7DEOH)0DXGLRWUDFNGLPHQVLRQV OLQHILHOG OLQHILHOG $ $ 0LQPP 0LQPP 0DPP 0DPP +HDGDLPXWKDQJOHV 7KHKHDGDLPXWKDQJOHVVKDOOEHLQDFFRUGDQFHZLWKWDEOH 7DEOH+HDGDLPXWKDQJOHV &KDQQHO &KDQQHO )0DXGLRKHDGDLPXWKDQJOH 9LGHRKHDGDLPXWKDQJOH D D D 7KHVHYDOXHVDUHIURP,(& 5HFRUGLQJWLPHGLIIHUHQFH 7KH)0DX

    20、GLRKHDGVVKDOOEHDUUDQJHGVRWKDWWKH)0DXGLRVLJQDOLVUHFRUGHGZLWKLQWKHWLPH GLIIHUHQFHRIWZRILHOGVEHIRUHWKHYLGHRVLJQDOLVUHFRUGHGRQWKHVDPHSRLQWRIWKHWUDFN 5HFRUGLQJFKDUDFWHULVWLFV 7ZRFKDQQHOVRIDXGLRVLJQDODUHUHFRUGHGDV)0VLJQDOVZLWKGLIIHUHQWFDUULHUIUHTXHQFLHV 7KHUHFRUGLQJVLJQDOVSHFWUXPLVVKRZQLQILJXUH7KHEORFNGLD

    21、JUDPRIWKLVVVWHPLV VKRZQLQILJXUH 1RLVHUHGXFWLRQ 7KHQRLVHUHGXFWLRQHQFRGHUVKDOOEHFRPSRVHGDVLQILJXUHDQGVKDOOEHLQDFFRUGDQFH ZLWKWKHFKDUDFWHULVWLFVJLYHQEHORZ GHWHFWLRQPHWKRG SHDNGHWHFWLRQ FRPSUHVVLRQUDWLR ORJDULWKPLFFRPSUHVVLRQ DWWDFNWLPH PVWRPVVHHDQQH$ UHFRYHUWLPH PVZLWKDUHODWLYHWROHUDQFHRI VHHDQQH$ 3UHH

    22、PSKDVLV 7KHSUHHPSKDVLVFLUFXLWVKDOOKDYHDIUHTXHQFUHVSRQVHDVJLYHQLQILJXUHZLWKWLPH FRQVWDQWVDVIROORZV 7 mV 7 mV Page 5 EN 60774-2:2000%6, &DUULHUFHQWUHIUHTXHQF 7KHFDUULHUFHQWUHIUHTXHQFLHVVKDOOEHVKRZQLQWDEOHEHORZ 7DEOH&DUULHUFHQWUHIUHTXHQFLHV OLQHILHOG OLQHILHOG &+/ 0+N+ 0+N+ &+5 0+N+ 0+N+ )UHTXHQFGHYLDW

    23、LRQ )UHTXHQFGHYLDWLRQVKDOOEHDVIROORZV PDLPXPIUHTXHQFGHYLDWLRQ N+ RSHUDWLQJIUHTXHQFGHYLDWLRQ N+DW+ IUHTXHQFGHYLDWLRQDWWKHUHIHUHQFHOHYHO 0RGXODWLRQSRODULW 7KHPRGXODWLRQSRODULWRI&+/DQG&+5DXGLRVLJQDOVVKDOOEHWKHVDPH 5HFRUGLQJOHYHO 7KH)0DXGLRVLJQDOVKDOOEHUHFRUGHGVRWKDWWKHSODEDFNOHYHOVRIWKHOHIWDQGULJKW FKD

    24、QQHOVZLOOEHDSSURLPDWHOHTXDODQGDWDPDLPXPOHYHODIWHUWKHYLGHRVLJQDOLV UHFRUGHG 2WKHUVXEMHFWVFKDQQHODSSOLFDWLRQ ,QWKHFDVHRIVWHUHRUHFRUGLQJWKHFKDQQHODSSOLFDWLRQRIWKH)0DXGLRVLJQDOVKDOOEHDV VKRZQLQWDEOH 7DEOH&KDQQHODSSOLFDWLRQV 0RQDXUDOUHFRUGLQJ 0DLQVXEUHFRUGLQJ &+/ 0RQDXUDOVLJQDO 0DLQVLJQDO &+5 0RQDXUDOVLJ

    25、QDO 6XEVLJQDO Page 6 EN 60774-2:2000%6, $ $ &KDQQHODXGLRWUDFN/ &KDQQHODXGLRWUDFN5 9LGHRWUDFN &RQWUROWUDFN &HQWUHOLQHRIYLGHRWUDFN )0DXGLRWUDFN )LJXUH7UDFNDUUDQJHPHQW )UHTXHQF 5HVSRQVH I I G%RFWI p 7 I p 7 )LJXUH3UHHPSKDVLVIUHTXHQFUHVSRQVH I I G%RFW 5HVSRQVH )UHTXHQF I p7 I p7 ,(& ,(& Page 7 EN 60774-

    26、2:2000%6, )UHTXHQF0+ :KLWHSHDNIUHTXHQF 6QFKURQLDWLRQ WLSIUHTXHQF /XPLQDQFH)0VLJQDOEDQG &RQYHUWHGFKURPLQDQFH FDUULHU /5 6LJQDOIURP YLGHRKHDG )UHTXHQF0+ 6LJQDOIURP )0DXGLRKHDG )LJXUH6LJQDOVSHFWUXP 5HFRUGLQJ DPSOLILHU 1RLVH UHGXFWLRQ )0DXGLRKHDGV ,QSXWDXGLRVLJQDO &+/ &+5 0DLQ 6XE 1RLVH UHGXFWLRQ 3UH HP

    27、SKDVLV 3UH HPSKDVLV )0 PRGXODWLRQ )0 PRGXODWLRQ )LJXUH%ORFNGLDJUDPRI)0DXGLRUHFRUGLQJ ,(& ,(& Page 8 EN 60774-2:2000%6, HWHFWLQJ :HLJKWLQJ 9&$ 1RLVHUHGXFWLRQ HPSKDVLV ,QSXW 6ZLWFK HFRGHU (QFRGHU HFRGHURXWSXW 7 G%RFW (QFRGHURXWSXW 7 7 7 -G%RFW 7 mV 7 mV 7 mV 7 mV )LJXUH%ORFNGLDJUDPRIQRLVHUHGXFWLRQVVWH

    28、P ,(& Page 9 EN 60774-2:2000%6, $QQH$ QRUPDWLYH (QFRGHUWUDQVLHQWPHDVXUHPHQWPHWKRG V V 6RXUFHVLJQDO N+WRQHEXUVW G%FRUUHVSRQGLQJWR+PDLPXPGHYLDWLRQ + $WWDFNWLPH 5HFRYHUWLPH (QFRGHURXWSXW (QFRGHUWUDQVPLVVLRQ + / / + + G% / / -G% )LJXUH$(QFRGHUWUDQVLHQWPHDVXUHPHQWPHWKRG BBBBBBBBBBBB ,(& ,(& Page 10 EN 60

    29、774-2:2000Page 11 EN 60774-2:2000BS EN 60774-2:2000 IEC 60774-2:1999 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

    30、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revi

    31、sions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or am

    32、biguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscrib

    33、ers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. In response to orders for international standards, it is BSI policy to s

    34、upply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Variou

    35、s BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: 020 8996 7002. Fax: 020 8996 7001. Copyright Copyrig


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