JPH0211943B2 - - Google Patents

Info

Publication number
JPH0211943B2
JPH0211943B2 JP55014814A JP1481480A JPH0211943B2 JP H0211943 B2 JPH0211943 B2 JP H0211943B2 JP 55014814 A JP55014814 A JP 55014814A JP 1481480 A JP1481480 A JP 1481480A JP H0211943 B2 JPH0211943 B2 JP H0211943B2
Authority
JP
Japan
Prior art keywords
input terminal
operational amplifier
light
inverting input
voltage
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.)
Expired - Lifetime
Application number
JP55014814A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56111970A (en
Inventor
Yoshitoshi Yamauchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP1481480A priority Critical patent/JPS56111970A/ja
Publication of JPS56111970A publication Critical patent/JPS56111970A/ja
Publication of JPH0211943B2 publication Critical patent/JPH0211943B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Manipulation Of Pulses (AREA)
  • Networks Using Active Elements (AREA)
JP1481480A 1980-02-12 1980-02-12 Analog mutiplier and divider Granted JPS56111970A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1481480A JPS56111970A (en) 1980-02-12 1980-02-12 Analog mutiplier and divider

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1481480A JPS56111970A (en) 1980-02-12 1980-02-12 Analog mutiplier and divider

Publications (2)

Publication Number Publication Date
JPS56111970A JPS56111970A (en) 1981-09-04
JPH0211943B2 true JPH0211943B2 (enrdf_load_stackoverflow) 1990-03-16

Family

ID=11871500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1481480A Granted JPS56111970A (en) 1980-02-12 1980-02-12 Analog mutiplier and divider

Country Status (1)

Country Link
JP (1) JPS56111970A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0683837U (ja) * 1991-01-25 1994-12-02 日本製紙株式会社 木質防音床材及びそれを用いた直張り用木質防音床材

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5066131B2 (ja) * 2009-04-30 2012-11-07 富士通テレコムネットワークス株式会社 Ｌｅｄ点灯制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0683837U (ja) * 1991-01-25 1994-12-02 日本製紙株式会社 木質防音床材及びそれを用いた直張り用木質防音床材

Also Published As

Publication number Publication date
JPS56111970A (en) 1981-09-04

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