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BS EN 61237-1:1994

Current

Current

The latest, up-to-date edition.

Broadcast video tape recorders. Methods of measurement Mechanical measurements

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-01-1995

€165.94
Excluding VAT

Cooperating organizations
National foreword
Foreword
1. Scope
2. Normative references
3. General
4. Test conditions
5. Measuring equipment
5.1 Mechanical measurements
5.2 Optical measurements
6. Recorder measurements
6.1 Diameter of drum
6.2 Projection of video head pole tips
6.2.1 Mechanical measurement
6.2.2 Optical measurement
6.3 Gap width of video heads
6.4 Coplanarity error of video heads
7. Measurements on recorded tape
7.1 Tape speed and pitch of the video tracks
7.1.1 Tape speed v (first method)
7.1.2 Track pitch J (first method)
7.1.3 Tape speed and pitch of the video tracks
      (second method)
7.2 Position of the video reference point (VRP)
7.2.1 Measurement of the VRP position (first method)
7.2.2 Tracking and drum phase error (second method)
7.3 Location of records on sound and time code tracks
7.3.1 Track location to the reference tape edge
7.3.2 Longitudinal location of records
7.4 Video track geometry
7.4.1 Video track width 1
7.4.2 Cross-tape measuring technique (first method)
7.4.3 Dynamic track measurement (second method)
Figures
Annexes
A. Magnetic development of recorded tape
B. Bibliography
ZA. (normative) Other international publications quoted
     in this standard with the references of the relevant
     European publications
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references

Contains measurements relating to the compatibility parameters for recording and measuring methods on the recorded tape. Tolerances for rated values for acceptable performance are not included and should be derived from the IEC publications as appropriate or the manufacturer\'s instructions.

Committee
EPL/100
DevelopmentNote
Also numbered as IEC 61237-1 Supersedes 91/03062 DC (11/2005)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
I.S. EN 61237-1:1995 Identical
DIN EN 61237-1:1995-02 Identical
EN 61237-1:1994 Identical
NF EN 61237-1 : 1994 Identical
UNE-EN 61237-1:1996 Identical
SN EN 61237-1 : 1994 Identical
NBN EN 61237-1 : 1996 Identical

BS EN 61105:1994 Specification for reference tapes for video tape recorder systems
BS 7537-1:1991 Measurement techniques and operational adjustments of broadcast VTRs Guide to operational adjustments on analogue composite broadcast VTRs
BS 4967:1983 Specification for transverse track video tape recorders
BS 6865:1987 Specification for time and control codes for video tape recorders
BS 7537-2:1991 Measurement techniques and operational adjustments of broadcast VTRs Guide to special mechanical measurements and alignments

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