NAPM IT7.228 : 1997
Withdrawn
AUDIOVISUAL SYSTEMS - ELECTRONIC PROJECTION - FIXED RESOLUTION PROJECTORS
01-12-2013
07-01-2003
Foreword
0 Introduction
1 Scope
2 Normative references
3 Definitions
4 Light output measurement and specification
5 Fixed resolution projector characteristics
6 Range of focus and image size
7 Audio characteristics
8 Lamp characteristics
9 Noise: maximum sound level
10 Power consumption
11 Weight
12 Dimensions
13 Input signal levels
Annexes
A Test patterns/measurements setup
B Pattern generator specifications
C Complete sample specification
Defines liquid crystal displays (LCD) or other fixed resolution projectors in which the light source and projection/magnification optics are an integral part of the device, and covers those used with overhead projectors.
| DevelopmentNote |
Revision and redesignation of ANSI IT7.228. (08/2001)
|
| DocumentType |
Standard
|
| PublisherName |
National Association of Photographic Manufacturers, Inc.
|
| Status |
Withdrawn
|
| Supersedes |
| ANSI S12.32 : 0 | PRECISION METHODS FOR THE DETERMINATION OF SOUND POWER LEVELS OF DISCRETE-FREQUENCY AND NARROW-BAND NOISE SOURCES IN REVERBERATION ROOMS |