BS-5550-1.6.1-1978 ISO-3642-1976.pdf
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1、BRITISH STANDARD BS 5550-1.6.1: 1978 ISO 3642:1976 Cinematography Part 1: 8 mm film Section 1.6 Splices Subsection 1.6.1 Specification for the dimensions of cemented or welded splices on 8 mm Type S motion-picture film for projector use UDC 778.5.068.24:778.582.068 Licensed Copy: sheffieldun sheffie
2、ldun, na, Mon Dec 04 13:22:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5550-1.6.1:1978 This British Standard, having been prepared under the direction of the Cinematograph Standards Committee, was published under the authority of the Executive Board on 31 March 1978 BSI 10-1999 The following BS
3、I references relate to the work on this standard: Committee reference CMS/28 Draft for comment 75/71542 DC ISBN 0 580 10095 2 Cooperating organizations The Cinematograph Standards Committee, under whose direction this British Standard was prepared, consists of representatives from the following Gove
4、rnment department and scientific and industrial organizations: Association of Cinematograph, Television and Allied Technicians* British Broadcasting Corporation* British Film Institute* British Kinematograph, Sound and Television Society* British Photographic Manufacturers Association Cinematograph
5、Exhibitors Association of Great Britain and Ireland Film Laboratory Association Film Production Association of Great Britain Health and Safety Executive Illuminating Engineering Society Independent Television Companies Association Royal Photographic Society* The organizations marked with an asterisk
6、 in the above list, together with the following, were directly represented on the committee entrusted with the preparation of this British Standard: Association of Independent Cinemas British Amateur Cinematographers Central Council Department of Education and Science Lighting Industry Federation Li
7、mited National Association of Theatrical, Television attention is especially drawn to the following. The comma has been used in some places as a decimal marker. In British Standards it is current practice to use a full point on the baseline as the decimal marker. Where the words “International Stand
8、ard” appear, referring to this standard, they should be interpreted as “British Standard”. Cross-references. The International Standards listed in clause 2 are given for information purposes only. The following is implemented as a Subsection of BS 5550; the relevant BS number is as given below: NOTE
9、The publication of ISO 3773 is awaited and at the moment there is no corresponding British Standard. 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
10、 does not of itself confer immunity from legal obligations. ISO 1700:1972BS 5550-1.1.1:1978 Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may
11、 have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:22:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5550-1.6.1:1978 BSI 10-19991 1 Scope and field of application This International S
12、tandard specifies the dimensions of cemented or welded splices on 8 mm film perforated 8 mm Type S primarily intended for projection. 2 References ISO 1700, Cinematography 8 mm Type S motion-picture raw stock film Cutting and perforating dimensions. ISO 3773, Cinematography Tape splices for 8 mm Typ
13、e S motion-picture film for projector use Dimensions1). 3 Dimensions and characteristics 3.1 The dimensions shall be as shown in the figures and given in the tables. 3.2 The film width at the splice shall not exceed 8,08 mm (0.318 in). If the film ends have been widened during scraping, the extra wi
14、dth shall be removed. 3.3 The spliced films should not be offset more than dimension G (see Figure 3), as measured by the difference in the alignment of the reference edge side of the perforation holes on each of the spliced halves. 3.4 In the plan view, the angle between the adjoining edges of the
15、spliced film should be 180 8. Thus, the spliced film should be aligned to the extent that when one portion of the film is placed against a straight edge, the other portion does not deviate more than 0,35 mm (0.014 in) in 15,2 cm (6 in). 3.5 An optional splice method providing a symmetrical overlap a
16、bout the frame line is temporarily recognized and is specified in Table 2. It is anticipated that if the manufacturer is directed to the recommended method, it will be possible to delete this table in future revisions. 3.6 It is temporarily recognized that dimension A of an optional splice may be 2,
17、00 mm (0.079 in) maximum, dimension C shall be 0,84 mm (0.033 in) and dimension D shall be 2,01mm (0.079 in) for combination 8 mm Type S and 8 mm Type R splicing blocks intended for personal-use photography. 3.7 The specifications intentionally prevent cutting into or including a perforation in the
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