電話網におけるG4ファクシミリの展開
A Study On G4 Facsimile Over Public Switched Telephone Network (PSTN)

Noboru SONEHARA, Makoto KOBAYASHI, Ryota SUZUKI, Takayuki ARIMURA
1987 ITE Technical Report  
Facsi 田 ile serviGes over PSTN ( Publk二 SwitGhed Telephone Network ) are investigated , especially an error correcting 〔 ] 3, a supPer high speed G3 an 〔 l G4, whiGh use high speed or bi − direGtional Modems suGh as V. 33 ( 14.4 Kbps ) or V. 32 ( 9, 6Kbps ) . From the viewpoit of 〔 :ommunica ヒ畫 on efficiency , apP1 重 ed media and protoco 玉, the sev 孟Ge aspeGt of new facsimile serviGes over PSTN is Gategorized 曾 As a result , it is pointed out that there exist the fol 畫owi 囗 g two types of facsi
more » ... 冊 ile servies : supper high speed G3 Gommunication service using V.33 Modem
doi:10.11485/tvtr.11.7_1 fatcat:7hxrvtaxbfcvveznfx3j4ctmdu