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IEC 61122:1992

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Still video floppy disk magnetic recording system

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

31-12-2021

Language(s)

English - French

Published date

15-04-1992

Cooperating organizations
National foreword
Foreword
1. General
1.1 Scope
1.2 Normative references
1.3 Environment
2. Jacket
2.1 Datum areas, datum holes and datum planes
2.2 Flatness of jacket
2.3 Appearance of jacket
2.4 Hub
2.5 Spindle
2.6 Shutter mechanism
2.7 Contact between disk and jacket
3. Disk
3.1 Dimensions
3.2 Physical properties of disk
3.3 Recording characteristics
3.4 Reference disk and sub-reference disk
4. Track pattern
4.1 Recording surface
4.2 Main track
4.3 Cue track
4.4 Track configuration
5. Video recording format
5.1 Frequency spectrum allocation of recording signals
5.2 Recording of luminance component
5.3 Recording of chrominance component
5.4 Time difference between luminance and chrominance
      signals
5.5 Multiplex recording of identification codes
5.6 Track allocation
6. Audio recording format
6.1 Block diagram for audio recording
6.2 Time compression ratio
6.3 Signal arrangement
6.4 FM signal recording characteristics
6.5 Pre-emphasis and noise reduction
6.6 Control code
7. Data recording format
7.1 Channel bit rate
7.2 Formatted recording capacity
7.3 Track format
7.4 Sector format
7.5 Frame format
7.6 Sub-code
7.7 Modulation
7.8 Error detection and correction scheme
8. Cue track application format
8.1 Cue file
8.2 Directory system file
8.3 Cue track system file
8.4 Auto playback file
8.5 Text file
Annex A
National annex NA (informative) Committees responsible

Provides technical requirements for still video floppy disk systems which use a magnetic disk in a jacket, known as a still video floppy disk.

DevelopmentNote
Also numbered as BS EN 61122 (11/2005)
DocumentType
Standard
Pages
178
PublisherName
International Electrotechnical Committee
Status
Withdrawn

Standards Relationship
NF EN 61122 : 1994 Identical
NEN 11122 : 1994 Identical
I.S. EN 61122:1994 Identical
PN EN 61122 : 2002 Identical
SN EN 61122 : 1993 Identical
CEI EN 61122 : 1998 Identical
EN 61122:1993 Identical
DIN EN 61122:1994-02 Identical
UNE-EN 61122:1993 Identical

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