JPS6389152U - - Google Patents

Info

Publication number
JPS6389152U
JPS6389152U JP18255186U JP18255186U JPS6389152U JP S6389152 U JPS6389152 U JP S6389152U JP 18255186 U JP18255186 U JP 18255186U JP 18255186 U JP18255186 U JP 18255186U JP S6389152 U JPS6389152 U JP S6389152U
Authority
JP
Japan
Prior art keywords
dummy code
signal line
host computer
output device
data transfer
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
Application number
JP18255186U
Other languages
Japanese (ja)
Other versions
JPH0530198Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986182551U priority Critical patent/JPH0530198Y2/ja
Publication of JPS6389152U publication Critical patent/JPS6389152U/ja
Application granted granted Critical
Publication of JPH0530198Y2 publication Critical patent/JPH0530198Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案装置の基本的な構成ブロツク図
、第２図は本考案装置の一実施例の構成ブロツク
図、第３図は動作の一例を示すフローチヤート、
第４図は従来装置の構成ブロツク図である。 １……ホスト計算機、Ｄｌ……信号線、２……
出力装置、１１……ダミーコード転送手段、１２
……リードバツク手段、１３……データ転送手段
、２１……レシーバ回路、２２……信号線制御手
段。 FIG. 1 is a basic configuration block diagram of the device of the present invention, FIG. 2 is a configuration block diagram of an embodiment of the device of the present invention, and FIG. 3 is a flowchart showing an example of the operation.
FIG. 4 is a block diagram of a conventional device. 1...Host computer, Dl...Signal line, 2...
Output device, 11...Dummy code transfer means, 12
. . . Readback means, 13 . . . Data transfer means, 21 . . . Receiver circuit, 22 . . . Signal line control means.

Claims (1)

【実用新案登録請求の範囲】 ホスト計算機と、このホスト計算機に対して１
対のカレントループの信号線を介して結ばれた出
力装置とからなり、 前記出力装置は自分がレデイ状態のときは前記
信号線をつなげ、ビジーのときは信号線を切離す
信号線制御手段を備え、 前記ホスト計算機は前記出力装置にダミーコー
ドを転送する手段と、ダミーコードをリードバツ
クする手段と、ダミーコードを転送後一定時間内
にダミーコードをリードバツクしたときデータ転
送を行なうデータ転送手段とを備えたことを特徴
とする通信制御装置。[Scope of claim for utility model registration] A host computer and 1 for this host computer.
and an output device connected via a pair of current loop signal lines, and the output device has a signal line control means that connects the signal line when it is in a ready state and disconnects the signal line when it is busy. The host computer includes means for transmitting a dummy code to the output device, means for reading back the dummy code, and data transfer means for performing data transfer when the dummy code is read back within a predetermined time after transmitting the dummy code. A communication control device comprising:
JP1986182551U 1986-11-27 1986-11-27 Expired - Lifetime JPH0530198Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986182551U JPH0530198Y2 (en) 1986-11-27 1986-11-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986182551U JPH0530198Y2 (en) 1986-11-27 1986-11-27

Publications (2)

Publication Number Publication Date
JPS6389152U true JPS6389152U (en) 1988-06-10
JPH0530198Y2 JPH0530198Y2 (en) 1993-08-02

Family

ID=31128454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986182551U Expired - Lifetime JPH0530198Y2 (en) 1986-11-27 1986-11-27

Country Status (1)

Country Link
JP (1) JPH0530198Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5668829A (en) * 1979-11-09 1981-06-09 Nec Corp Queuing control system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5668829A (en) * 1979-11-09 1981-06-09 Nec Corp Queuing control system

Also Published As

Publication number Publication date
JPH0530198Y2 (en) 1993-08-02

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