KR910004501B1 - 전기 회로 및 그것을 사용한 신호 처리 회로 - Google Patents

전기 회로 및 그것을 사용한 신호 처리 회로 Download PDF

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Publication number
KR910004501B1
KR910004501B1 KR1019830001318A KR830001318A KR910004501B1 KR 910004501 B1 KR910004501 B1 KR 910004501B1 KR 1019830001318 A KR1019830001318 A KR 1019830001318A KR 830001318 A KR830001318 A KR 830001318A KR 910004501 B1 KR910004501 B1 KR 910004501B1
Authority
KR
South Korea
Prior art keywords
transistor
input
collector
output
base
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
KR1019830001318A
Other languages
English (en)
Korean (ko)
Other versions
KR840004265A (ko
Inventor
테즈오 사도
Original Assignee
가부시기가이샤 히다찌세이사꾸쇼
미쓰다 가쓰시게
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 가부시기가이샤 히다찌세이사꾸쇼, 미쓰다 가쓰시게 filed Critical 가부시기가이샤 히다찌세이사꾸쇼
Publication of KR840004265A publication Critical patent/KR840004265A/ko
Application granted granted Critical
Publication of KR910004501B1 publication Critical patent/KR910004501B1/ko
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/04—Measuring peak values or amplitude or envelope of AC or of pulses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D7/00—Indicating measured values
    • G01D7/02—Indicating value of two or more variables simultaneously
    • G01D7/04—Indicating value of two or more variables simultaneously using a separate indicating element for each variable
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0038—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing pulses or pulse trains according to amplitude)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/1659—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
KR1019830001318A 1982-04-16 1983-03-31 전기 회로 및 그것을 사용한 신호 처리 회로 Expired KR910004501B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP57062439A JPS58181306A (ja) 1982-04-16 1982-04-16 電気回路及びそれを用いた信号処理回路
JP82-62438 1982-04-16
JP62439 1982-04-16

Publications (2)

Publication Number Publication Date
KR840004265A KR840004265A (ko) 1984-10-10
KR910004501B1 true KR910004501B1 (ko) 1991-07-05

Family

ID=13200226

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830001318A Expired KR910004501B1 (ko) 1982-04-16 1983-03-31 전기 회로 및 그것을 사용한 신호 처리 회로

Country Status (4)

Country Link
EP (1) EP0091996B1 (enExample)
JP (1) JPS58181306A (enExample)
KR (1) KR910004501B1 (enExample)
DE (1) DE3275894D1 (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835410A (en) * 1972-12-26 1974-09-10 Rca Corp Current amplifier
US3867685A (en) * 1973-06-01 1975-02-18 Rca Corp Fractional current supply

Also Published As

Publication number Publication date
EP0091996B1 (en) 1987-03-25
KR840004265A (ko) 1984-10-10
DE3275894D1 (en) 1987-04-30
JPS58181306A (ja) 1983-10-24
EP0091996A1 (en) 1983-10-26
JPH0459803B2 (enExample) 1992-09-24

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