GB/T 3717-1983
abolished_transferred
GB/T 21110-2007
Active
National standards
GB/T 21110-2007 Projectors—Image size/projection distance calculations
GB/T 21110-2007 Projectors—Image size/projection distance calculations
Basic Information
Standard Code:
GB/T 21110-2007
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Projection equipment and its accessories
ICS Name:
Film equipment
Publish Date:
2007-10-11
Implement Date:
2007-12-01
Pages:
11 pages
Scope
This standard specifies the method of calculating the screen size of any type of projection equipment when the known projection distance and the focal length of the projection lens are given; it also specifies the method of calculating the projection distance when the known screen size and the focal length of the projection lens are given.
Development Information
Adopt standards
ISO 11314:1995
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