GB/T 3717-1983
abolished_transferred
GB/T 4645-2006
Active
National standards
GB/T 4645-2006 Screen luminance for the projection of motion-picture prints in indoor theatres and review rooms
GB/T 4645-2006 Screen luminance for the projection of motion-picture prints in indoor theatres and review rooms
Basic Information
Standard Code:
GB/T 4645-2006
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Projection equipment and its accessories
ICS Name:
Film equipment
Publish Date:
2006-08-30
Implement Date:
2007-03-01
Pages:
4 pages
Scope
This standard specifies the screen center brightness, screen brightness distribution uniformity, screen reflection light spectral distribution, screen stray light interference, and adjustment and measurement methods for multiple projectors when projecting 70 mm, 35 mm, and 16 mm film copies at a frame rate of 24 fps in indoor cinemas and evaluation screening rooms. This standard is applicable to indoor cinemas, evaluation screening rooms, and other indoor screening venues.
Development Information
Replace the following standards
Adopt standards
ISO 2910:1990
Related Standards
GB/T 5874-1986
Active
GB/T 5874-1986 Image produced by camera aperture type W on 16mm motion-picture film—Position and dimensions
GB/T 15397-1994
Active
GB/T 15397-1994 Measurement methods of A-chain and B-chain electro-acoustic frequency response of motion-picture control rooms, review rooms and indoor theatres
GB/T 4645-1994
Replaced
GB/T 4645-1994 Screen luminance for the projection of motion-picture prints in indoor theatres and review rooms
GB/T 13982-1998
Replaced
GB/T 13982-1998 The reflective projection screens
GB/T 13982-2005
Replaced