FI894591A - FOERSTAERKARE. - Google Patents

FOERSTAERKARE. Download PDF

Info

Publication number
FI894591A
FI894591A FI894591A FI894591A FI894591A FI 894591 A FI894591 A FI 894591A FI 894591 A FI894591 A FI 894591A FI 894591 A FI894591 A FI 894591A FI 894591 A FI894591 A FI 894591A
Authority
FI
Finland
Prior art keywords
foerstaerkare
Prior art date
Application number
FI894591A
Other languages
Finnish (fi)
Other versions
FI894591A0 (en
FI87861C (en
FI87861B (en
Inventor
Hannu Olkkonen
Pertti Puumalainen
Original Assignee
Acatec Ltd Oy
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 Acatec Ltd Oy filed Critical Acatec Ltd Oy
Priority to FI894591A priority Critical patent/FI87861C/en
Publication of FI894591A0 publication Critical patent/FI894591A0/en
Priority to EP19900914180 priority patent/EP0494198A1/en
Priority to PCT/FI1990/000226 priority patent/WO1991005406A1/en
Priority to CA 2066705 priority patent/CA2066705A1/en
Priority to JP51327790A priority patent/JPH05500590A/en
Publication of FI894591A publication Critical patent/FI894591A/en
Application granted granted Critical
Publication of FI87861B publication Critical patent/FI87861B/en
Publication of FI87861C publication Critical patent/FI87861C/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Analogue/Digital Conversion (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Control Of Amplification And Gain Control (AREA)
FI894591A 1989-09-28 1989-09-28 An automatic amplification control instrumentation amplifier FI87861C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI894591A FI87861C (en) 1989-09-28 1989-09-28 An automatic amplification control instrumentation amplifier
EP19900914180 EP0494198A1 (en) 1989-09-28 1990-09-26 Instrumentation amplifier with automatic gain control
PCT/FI1990/000226 WO1991005406A1 (en) 1989-09-28 1990-09-26 Instrumentation amplifier with automatic gain control
CA 2066705 CA2066705A1 (en) 1989-09-28 1990-09-26 Instrumentation amplifier with automatic gain control
JP51327790A JPH05500590A (en) 1989-09-28 1990-09-26 Instrumentation amplifier with automatic gain control

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI894591A FI87861C (en) 1989-09-28 1989-09-28 An automatic amplification control instrumentation amplifier
FI894591 1989-09-28

Publications (4)

Publication Number Publication Date
FI894591A0 FI894591A0 (en) 1989-09-28
FI894591A true FI894591A (en) 1991-03-29
FI87861B FI87861B (en) 1992-11-13
FI87861C FI87861C (en) 1993-02-25

Family

ID=8529071

Family Applications (1)

Application Number Title Priority Date Filing Date
FI894591A FI87861C (en) 1989-09-28 1989-09-28 An automatic amplification control instrumentation amplifier

Country Status (5)

Country Link
EP (1) EP0494198A1 (en)
JP (1) JPH05500590A (en)
CA (1) CA2066705A1 (en)
FI (1) FI87861C (en)
WO (1) WO1991005406A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886017A (en) * 1986-06-11 1999-03-23 Procyon Pharmaceuticals, Inc. Protein kinase C modulators. E.
FR2702581B1 (en) * 1993-03-12 1995-06-02 Sagem Multiplier circuit with potentiometers and electric energy meter incorporating such a circuit.
DE102019113360A1 (en) * 2019-05-20 2020-11-26 Carl Zeiss Microscopy Gmbh Lighting device for a light microscope and lighting method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2853642A1 (en) * 1978-12-09 1980-06-12 Biotronik Mess & Therapieg AMPLITUDE CONTROL UNIT FOR ECG SIGNALS
US4739307A (en) * 1984-01-31 1988-04-19 Analogic Corporation Multichannel predictive gain amplifier system
US4553104A (en) * 1984-03-01 1985-11-12 Honeywell Inc. Method of compensating an amplifier system having a variable gain amplifier to achieve a constant overall system signal gain and an apparatus utilizing the same
FR2592537B1 (en) * 1985-12-30 1991-05-31 Inst Francais Du Petrole DEVICE FOR THE AMPLIFICATION AND SAMPLING OF MULTIPLEX ANALOG SIGNALS.

Also Published As

Publication number Publication date
FI894591A0 (en) 1989-09-28
CA2066705A1 (en) 1991-03-29
FI87861C (en) 1993-02-25
EP0494198A1 (en) 1992-07-15
WO1991005406A1 (en) 1991-04-18
JPH05500590A (en) 1993-02-04
FI87861B (en) 1992-11-13

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Owner name: OY DIGIXRAY LTD