テレビジョン学会技術報告
Online ISSN : 2433-0914
Print ISSN : 0386-4227
電話網におけるG4ファクシミリの展開
曽根原 登小林 誠鈴木 良太有村 孝文
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研究報告書・技術報告書 フリー

1987 年 11 巻 7 号 p. 1-6

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抄録

Facsimile services over PSTN (Public Switched Telephone Network) are investigated, especially an error correcting G3,a supper high speed G3 and G4,which use high speed or bi-directional Modems such as V. 33 (14.4 Kbps) or V. 32 (9.6Kbps). From the viewpoit of communication efficiency, applied media and protocol, the sevice aspect of new facsimile services over PSTN is categorized. As a result, it is pointed out that there exist the following two types of facsimile servies : (1) supper high speed G3 communication service using V.33 Modem and PPS (Partial Page Selection) method, (2) G4 communication service with V.32 Modem.

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© 1987 一般社団法人映像情報メディア学会
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