• Shopping Cart
    There are no items in your cart

ANSI IT7.228 : 1990

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by

AUDIOVISUAL SYSTEMS - LIQUID CRYSTAL IMAGING DEVICES FOR USE WITH OVERHEAD PROJECTORS - METHOD FOR MEASURING & REPORTING PERFORMANCE - CHARACTERISTICS & FEATURES

Withdrawn date

24-03-2022

Superseded by

NAPM IT7.228 : 1997

Published date

12-01-2013

Sorry this product is not available in your region.

DevelopmentNote
Revised and redesignated as NAPM IT7.228. (08/2001)
DocumentType
Standard
PublisherName
American National Standards Institute
Status
Withdrawn
SupersededBy

EN 61947-1:2002 Electronic projection - Measurement and documentation of key performance criteria - Part 1: Fixed resolution projectors
I.S. EN 61947-1:2002 ELECTRONIC PROJECTION - MEASUREMENT AND DOCUMENTATION OF KEY PERFORMANCE CRITERIA - PART 1: FIXED RESOLUTION PROJECTORS
BS EN 61947-2:2002 Electronic projection. Measurement and documentation of key performance criteria Variable resolution projectors
BS EN 61947-1:2002 Electronic projection. Measurement and documentation of key performance criteria Fixed resolution projectors
EN 61947-2:2002 Electronic projection - Measurement and documentation of key performance criteria - Part 2: Variable resolution projectors

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.