IEEE 167-1966 ✓ Most Recent

1908563

IEEE Test Procedure for Facsimile

standard by IEEE , 06/29/1966

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Full Description

Scope

Facsimile is defined as the process, or the result of the process, b y which fixed graphic material including pictures or images is scanned and the information converted into signal waves which are used either locally or remotely to produce, in record form, a likeness (facsimile) of the subject copy.

Purpose

The purpose of this Test Procedure is to specify uniform methods of measuring performance characteristics of facsimile systems. Underlying theory is generally omitted as this material is available from other sources, but a brief discussion is given of the principles involved for each measurement. Where possible the measurements call for the use of the IEEE Facsimile Test Chart, which provides a convenient high-quality testing tool. The CCITT has also developed a test chart which is in use in many countries throughout the world. The general measuring procedures are outlined here and the factors which affect the accuracy of the results are discussed along with methods of presenting the results. Not all of the tests described will be significant for all types of facsimile equipment. The user must select the tests which are relevant for the type of equipment used and the intended application.

Abstract

New IEEE Standard - Inactive-Withdrawn. These test procedures are to bring up to date the IRE "Standards on Facsimile-Temporary Test Standards-1943" (43 IRE 9.S1). In part there has been new experience and technological advance since then. But it has also been noted that that document could, to advantage, be made more complete and cover a wider range of tests. An important objective has therefore been to make the new test procedures more comprehensive, to cover tests for determining most of the measurable quantities that were defined in IRE Standards on Facsimile: Definitions of Terms (56 IRE 9.S1, ASA C16.30-1957) now IEEE No. 168. The scope, in part, has been derived from facsimile equipment designed to operate over a telephone frequency bandwidth, but the tests are described in a general way, to make them utilizable over wider bandwidths as far as possible.
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Product Details

Published:

06/29/1966

ISBN(s):

9781504406376

Number of Pages:

53

File Size:

1 file , 21 MB

Product Code(s):

STDWD20763

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This product is restricted and cannot be purchased in these countries.