JPH01169346U - - Google Patents

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Publication number
JPH01169346U
JPH01169346U JP6698088U JP6698088U JPH01169346U JP H01169346 U JPH01169346 U JP H01169346U JP 6698088 U JP6698088 U JP 6698088U JP 6698088 U JP6698088 U JP 6698088U JP H01169346 U JPH01169346 U JP H01169346U
Authority
JP
Japan
Prior art keywords
servo motor
driving
transistor
tractor
speed rotation
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.)
Pending
Application number
JP6698088U
Other languages
Japanese (ja)
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 JP6698088U priority Critical patent/JPH01169346U/ja
Publication of JPH01169346U publication Critical patent/JPH01169346U/ja
Pending legal-status Critical Current

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Description

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

第１図及び第４図は本考案装置及び従来装置の
一例を示す回路図、第２図及び第５図は速度プロ
フイルを示すグラフ、第３図及び第６図はトラン
ジスタのＯＮ―ＯＦＦ状態を示すタイムチヤート
である。図において、１〜４はトランジスタ、１
１〜１４はダイオード、２０はサーボモータ、３
０はサーボモータ制御回路である。 Figures 1 and 4 are circuit diagrams showing an example of the device of the present invention and a conventional device, Figures 2 and 5 are graphs showing speed profiles, and Figures 3 and 6 are graphs showing ON-OFF states of transistors. This is a time chart. In the figure, 1 to 4 are transistors, 1
1 to 14 are diodes, 20 is a servo motor, 3
0 is a servo motor control circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 印字用紙を給送するトラクタと、該トラクタを
駆動するサーボモータと、該サーボモータを前進
方向に駆動するためのトランジスタを前段及び後
段に配し、またサーボモータを後進方向に駆動す
るためのトランジスタを同様に配した駆動回路を
有する紙送り機構において、サーボモータを高速
回転より低速回転へ減速する時に、後進用トラン
ジスタのうち後段のみをオンさせて減速すること
を特徴とした紙送り制御装置。 A tractor for feeding printing paper, a servo motor for driving the tractor, a transistor for driving the servo motor in the forward direction, and a transistor for driving the servo motor in the forward direction, and a transistor for driving the servo motor in the backward direction. A paper feed control device, in a paper feed mechanism having a drive circuit arranged in the same manner, wherein when decelerating a servo motor from high speed rotation to low speed rotation, only the rear stage of the reverse transistors is turned on to decelerate the servo motor.
JP6698088U 1988-05-20 1988-05-20 Pending JPH01169346U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6698088U JPH01169346U (en) 1988-05-20 1988-05-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6698088U JPH01169346U (en) 1988-05-20 1988-05-20

Publications (1)

Publication Number Publication Date
JPH01169346U true JPH01169346U (en) 1989-11-29

Family

ID=31292369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6698088U Pending JPH01169346U (en) 1988-05-20 1988-05-20

Country Status (1)

Country Link
JP (1) JPH01169346U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006040953A1 (en) * 2004-10-08 2006-04-20 Rohm Co., Ltd. Motor driving circuit and motor apparatus having the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5035614A (en) * 1973-08-06 1975-04-04
JPS58172995A (en) * 1982-03-31 1983-10-11 Hitachi Ltd Load current detecting circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5035614A (en) * 1973-08-06 1975-04-04
JPS58172995A (en) * 1982-03-31 1983-10-11 Hitachi Ltd Load current detecting circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006040953A1 (en) * 2004-10-08 2006-04-20 Rohm Co., Ltd. Motor driving circuit and motor apparatus having the same
JP2006109684A (en) * 2004-10-08 2006-04-20 Rohm Co Ltd Motor drive circuit and motor apparatus equipped with the same

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