JPH01133856U - - Google Patents
Info
- Publication number
- JPH01133856U JPH01133856U JP2823288U JP2823288U JPH01133856U JP H01133856 U JPH01133856 U JP H01133856U JP 2823288 U JP2823288 U JP 2823288U JP 2823288 U JP2823288 U JP 2823288U JP H01133856 U JPH01133856 U JP H01133856U
- Authority
- JP
- Japan
- Prior art keywords
- isdn
- network
- control device
- public telephone
- network control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims 5
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Facsimiles In General (AREA)
Description
第１図は本考案の一実施例にかかるデータ端末
装置を示すブロツク図、第２図は本考案の他の実
施例にかかるデータ端末装置を示すブロツク図、
第３図は本考案のさらに他の実施例にかかるデー
タ端末装置を示すブロツク図、第４図は従来装置
の一例を示すブロツク図、第５図は従来装置の他
の例を示すブロツク図である。
１１…システム制御部、１７，１７′…グルー
プ４フアクシミリ通信ユニツト、１８，１８′…
グループ３フアクシミリ通信ユニツト、１９…Ｉ
ＳＤＮ回線制御部、１９ａ…ＩＳＤＮ―ＮＣＵ（
網制御装置）、１９ｂ，１９ｃ…ＣＯＤＥＣ、２
０…電話機、２１…ＰＳＴＮ―ＮＣＵ、２２…モ
デム接続切換部、２３…電話機切換制御部、２５
…セレクタ。
FIG. 1 is a block diagram showing a data terminal device according to one embodiment of the present invention, FIG. 2 is a block diagram showing a data terminal device according to another embodiment of the present invention,
FIG. 3 is a block diagram showing a data terminal device according to yet another embodiment of the present invention, FIG. 4 is a block diagram showing an example of a conventional device, and FIG. 5 is a block diagram showing another example of the conventional device. be. 11...System control unit, 17, 17'...Group 4 facsimile communication unit, 18, 18'...
Group 3 facsimile communication unit, 19...I
SDN line control unit, 19a...ISDN-NCU (
network control device), 19b, 19c...CODEC, 2
0...Telephone, 21...PSTN-NCU, 22...Modem connection switching section, 23...Telephone switching control section, 25
…selector.
Claims (1)
えたデータ端末装置において、公衆電話回線網に
接続するための公衆電話回線網用網制御装置と、
ＩＳＤＮに接続するためのＩＳＤＮ用網制御装置
と、公衆電話回線網を伝送路として使用するデー
タ伝送装置の伝送信号をＩＳＤＮを介して伝送で
きるように変換する信号変換手段と、電話機能お
よびデータ伝送機能を上記公衆電話回線網用網制
御装置またはＩＳＤＮ用網制御装置のいずれかに
選択的に接続する接続手段を備えたことを特徴と
するデータ端末装置。 A network control device for a public telephone line network for connecting to a public telephone line network in a data terminal device equipped with at least a telephone function and a data transmission function;
An ISDN network control device for connecting to the ISDN, a signal conversion means for converting the transmission signal of a data transmission device that uses the public telephone network as a transmission path so that it can be transmitted via the ISDN, and telephone functions and data transmission. A data terminal device comprising a connection means for selectively connecting the function to either the network control device for the public telephone line network or the network control device for ISDN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988028232U JP2520460Y2 (en) | 1988-03-04 | 1988-03-04 | Fax machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988028232U JP2520460Y2 (en) | 1988-03-04 | 1988-03-04 | Fax machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01133856U true JPH01133856U (en) | 1989-09-12 |
| JP2520460Y2 JP2520460Y2 (en) | 1996-12-18 |
Family
ID=31251427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988028232U Expired - Lifetime JP2520460Y2 (en) | 1988-03-04 | 1988-03-04 | Fax machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2520460Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03210867A (en) * | 1990-01-12 | 1991-09-13 | Nec Corp | Key telephone system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58151768A (en) * | 1982-03-05 | 1983-09-09 | Hitachi Ltd | Facsimile controller |
| JPS6123756U (en) * | 1984-07-19 | 1986-02-12 | 株式会社田村電機製作所 | 2-line telephone circuit |
| JPS61200763A (en) * | 1985-03-04 | 1986-09-05 | Ricoh Co Ltd | Composite facsimile equipment |
| JPS62274866A (en) * | 1986-05-22 | 1987-11-28 | Ricoh Co Ltd | Facsimil equipment |
-
1988
- 1988-03-04 JP JP1988028232U patent/JP2520460Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58151768A (en) * | 1982-03-05 | 1983-09-09 | Hitachi Ltd | Facsimile controller |
| JPS6123756U (en) * | 1984-07-19 | 1986-02-12 | 株式会社田村電機製作所 | 2-line telephone circuit |
| JPS61200763A (en) * | 1985-03-04 | 1986-09-05 | Ricoh Co Ltd | Composite facsimile equipment |
| JPS62274866A (en) * | 1986-05-22 | 1987-11-28 | Ricoh Co Ltd | Facsimil equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03210867A (en) * | 1990-01-12 | 1991-09-13 | Nec Corp | Key telephone system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2520460Y2 (en) | 1996-12-18 |