American National Standards Institute

The American National Standards Institute ANSI (1919-1928 AESC, American Engineering Standards Committee, 1928-1966 ASA, American Standards Association, 1966-1969 USASI, United States of America Standards Institute ) is the U.S. office for standardization of industrial practices. Headquarters of the Organization is Washington, D.C.

It is a member of the International Organization for Standardization ( ISO). The German equivalent of the German Institute for Standardization (DIN), the Austrian equivalent of the Austrian Standards Institute (ASI ) and Swiss counterpart, the Swiss Association for Standardization ( SNV ).

Although the ANSI standards cover many areas, is partly a specific set of fonts called with the single abbreviation " ANSI" in computer technology based on ASCII; a real ANSI standard does not exist for the draft of the ANSI flowed but in the standard ISO 8859.

In databases, the ANSI - SPARC architecture, three -tier architecture, are used; it describes the basic definition of a database system. The C programming language has been standardized by ANSI and is therefore also known as ANSI C. The same is true for the data ( database ) query language SQL, whose ANSI conformance may be a selection criterion.

Also, the luminous flux of digital projectors is measured in ANSI lumens.

In the field of photography related since the 1940s, an indication " in ASA " usually on a standard of the precursor organization film speed, from 1987 onwards instead Disclosures " ISO " in accordance with ISO 5800 standard.