JPH01117123U - - Google Patents

Info

Publication number
JPH01117123U
JPH01117123U JP1988011180U JP1118088U JPH01117123U JP H01117123 U JPH01117123 U JP H01117123U JP 1988011180 U JP1988011180 U JP 1988011180U JP 1118088 U JP1118088 U JP 1118088U JP H01117123 U JPH01117123 U JP H01117123U
Authority
JP
Japan
Prior art keywords
sign
output type
bit signal
sign bit
inverting
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
JP1988011180U
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 JP1988011180U priority Critical patent/JPH01117123U/ja
Publication of JPH01117123U publication Critical patent/JPH01117123U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Position Or Direction (AREA)
  • Control Of Electric Motors In General (AREA)
  • Electronic Switches (AREA)

Description

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

第１図は本考案の一実施例に係る絶縁回路の回
路図、第２図は位置フイードバツクループを持つ
サーボモータ制御装置のブロツク図、第３図、第
４図及び第５図は従来の絶縁回路の回路図である
。 １…反転回路、２…コレクタ出力型のフオトカ
プラ、３…エミツタ出力型のフオトカプラ、４…
ＤＡ変換器。 Fig. 1 is a circuit diagram of an isolation circuit according to an embodiment of the present invention, Fig. 2 is a block diagram of a servo motor control device having a position feedback loop, and Figs. 3, 4, and 5 are conventional ones. FIG. 1... Inverting circuit, 2... Collector output type photo coupler, 3... Emitter output type photo coupler, 4...
DA converter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] デジタル電圧信号の符号を示す符号ビツト信号
を反転出力する符号ビツト反転手段と、前記符号
ビツト反転手段が出力する符号ビツト信号が入力
されるコレクタ出力型のフオトカプラと、前記デ
ジタル電圧信号の大きさを示す所定ビツト数のス
ケールビツト信号がそれぞれ入力される複数のエ
ミツタ出力型のフオトカプラとを備えたことを特
徴とする絶縁回路。 a code bit inverting means for inverting and outputting a sign bit signal indicating the sign of the digital voltage signal; a collector output type photocoupler to which the sign bit signal outputted by the sign bit inverting means is input; 1. An insulating circuit comprising: a plurality of emitter output type photocouplers each receiving a scale bit signal having a predetermined number of bits as shown in FIG.
JP1988011180U 1988-02-01 1988-02-01 Pending JPH01117123U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988011180U JPH01117123U (en) 1988-02-01 1988-02-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988011180U JPH01117123U (en) 1988-02-01 1988-02-01

Publications (1)

Publication Number Publication Date
JPH01117123U true JPH01117123U (en) 1989-08-08

Family

ID=31219505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988011180U Pending JPH01117123U (en) 1988-02-01 1988-02-01

Country Status (1)

Country Link
JP (1) JPH01117123U (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4826845B1 (en) * 1970-11-25 1973-08-16
JPS5977720A (en) * 1982-10-27 1984-05-04 Matsushita Electric Ind Co Ltd Digital-analog converting circuit of alternate signal output
JPS6019285B2 (en) * 1977-02-07 1985-05-15 武田薬品工業株式会社 Sorting method
JPS6040136B2 (en) * 1983-03-03 1985-09-09 テクトロニツクス・インコ−ポレイテツド Shadow mask assembly
JPS61152128A (en) * 1984-12-26 1986-07-10 Hitachi Ltd Digital/analog converting circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4826845B1 (en) * 1970-11-25 1973-08-16
JPS6019285B2 (en) * 1977-02-07 1985-05-15 武田薬品工業株式会社 Sorting method
JPS5977720A (en) * 1982-10-27 1984-05-04 Matsushita Electric Ind Co Ltd Digital-analog converting circuit of alternate signal output
JPS6040136B2 (en) * 1983-03-03 1985-09-09 テクトロニツクス・インコ−ポレイテツド Shadow mask assembly
JPS61152128A (en) * 1984-12-26 1986-07-10 Hitachi Ltd Digital/analog converting circuit

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