JPH0145671B2 - - Google Patents

Info

Publication number
JPH0145671B2
JPH0145671B2 JP55007782A JP778280A JPH0145671B2 JP H0145671 B2 JPH0145671 B2 JP H0145671B2 JP 55007782 A JP55007782 A JP 55007782A JP 778280 A JP778280 A JP 778280A JP H0145671 B2 JPH0145671 B2 JP H0145671B2
Authority
JP
Japan
Prior art keywords
amplifier
light
inverting
input
photocoupler
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
Application number
JP55007782A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56105559A (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 JP778280A priority Critical patent/JPS56105559A/ja
Publication of JPS56105559A publication Critical patent/JPS56105559A/ja
Publication of JPH0145671B2 publication Critical patent/JPH0145671B2/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)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Analogue/Digital Conversion (AREA)
JP778280A 1980-01-28 1980-01-28 Analog operator Granted JPS56105559A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP778280A JPS56105559A (en) 1980-01-28 1980-01-28 Analog operator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP778280A JPS56105559A (en) 1980-01-28 1980-01-28 Analog operator

Publications (2)

Publication Number Publication Date
JPS56105559A JPS56105559A (en) 1981-08-22
JPH0145671B2 true JPH0145671B2 (en]) 1989-10-04

Family

ID=11675237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP778280A Granted JPS56105559A (en) 1980-01-28 1980-01-28 Analog operator

Country Status (1)

Country Link
JP (1) JPS56105559A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3282389B2 (ja) * 1994-07-27 2002-05-13 株式会社村田製作所 焦電型赤外線センサ回路

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLILEN=1961 *

Also Published As

Publication number Publication date
JPS56105559A (en) 1981-08-22

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