GB/T 4637-1994Head gaps and sound records for three-, four-, or six-track magnetic sound records on 35mm motion-picture film containing no picture. Positions and width dimensions (English PDF)
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
December 28, 1994
Implementation date
August 1, 1995
Scope
GB/T 4637-1994 (Head gaps and sound records for three-, four-, or six-track magnetic sound records on 35mm motion-picture film containing no picture. Positions and width dimensions) is available as an English-translated PDF.
GB/T 4637-1994 — This standard specifies the floppy three times on 35 mm rail, rail and six tones sound track recording head and the reproducing head gaps position and width dimensions, but also provides a head azimuth direction and coated floppy disk toward the magnetosphere.
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Document preview — GB/T 4637-1994
National Standard of the People's Republic of China
- ICS
- 37.06
- Classification
- A 15
- Replacing
- GB 4637-1984; GB 5876-1986; GB 5877-1986
Issued by: State Bureau of Technical Supervision
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the floppy three times on 35 mm rail, rail and six tones sound track recording head and the reproducing head gaps position and width dimensions, but also provides a head azimuth direction and coated floppy disk toward the magnetosphere. This standard also applies to sound recordings and movies dedicated 35 mm Disk three tracks, rail and six tones sound track.
Document data
International classification (ICS): 37.06.
Chinese classification (CCS): A15.
Estimated length of the Chinese original: 4,462 words.
Adopted international standard: ISO 162-1985, MOD.
Supersedes the earlier edition GB 4637-1984; GB 5876-1986; GB 5877-1986.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 3 pages — is available in the English PDF.
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