IT946571B - Circuito elettrico destinato a ridurre l impedenza in particolare in sistemi video - Google Patents

Circuito elettrico destinato a ridurre l impedenza in particolare in sistemi video

Info

Publication number
IT946571B
IT946571B IT19361/72A IT1936172A IT946571B IT 946571 B IT946571 B IT 946571B IT 19361/72 A IT19361/72 A IT 19361/72A IT 1936172 A IT1936172 A IT 1936172A IT 946571 B IT946571 B IT 946571B
Authority
IT
Italy
Prior art keywords
electric circuit
video systems
circuit intended
reduce impedance
impedance
Prior art date
Application number
IT19361/72A
Other languages
English (en)
Italian (it)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT946571B publication Critical patent/IT946571B/it

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
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Character Input (AREA)
  • Image Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
IT19361/72A 1971-03-08 1972-01-14 Circuito elettrico destinato a ridurre l impedenza in particolare in sistemi video IT946571B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/121,912 US3935540A (en) 1971-03-08 1971-03-08 D.C. coupled impedance reducing circuit

Publications (1)

Publication Number Publication Date
IT946571B true IT946571B (it) 1973-05-21

Family

ID=22399494

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19361/72A IT946571B (it) 1971-03-08 1972-01-14 Circuito elettrico destinato a ridurre l impedenza in particolare in sistemi video

Country Status (7)

Country Link
US (1) US3935540A (show.php)
JP (1) JPS5114408B1 (show.php)
CA (1) CA949656A (show.php)
DE (1) DE2206761C3 (show.php)
FR (1) FR2129409A5 (show.php)
GB (1) GB1366616A (show.php)
IT (1) IT946571B (show.php)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69010568T2 (de) * 1989-05-19 1994-11-24 Murata Manufacturing Co Keramisches resonanzartiges Elektrostatikfühlergerät.
WO2019050651A1 (en) * 2017-09-08 2019-03-14 Intel Corporation LOW NOISE FRONTAL APPLICATION FOR CARDIAC FREQUENCY MONITOR USING PHOTOPLETHYSMOGRAPHY

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877348A (en) * 1954-12-15 1959-03-10 Elmer J Wade Logarithmic amplifier
US3437943A (en) * 1965-03-16 1969-04-08 Leeds & Northrup Co Synchronized modulator-demodulator system
US3401357A (en) * 1965-08-11 1968-09-10 Bell Telephone Labor Inc Electromagnetic wave amplifier oscillator and modulator
US3393380A (en) * 1966-03-15 1968-07-16 James E. Webb Phase locked phase modulator including a voltage controlled oscillator
US3502959A (en) * 1968-01-29 1970-03-24 Spectral Dynamics Corp Electronic logarithm converter
US3626092A (en) * 1969-07-15 1971-12-07 Ibm Video amplifier for optical scanners
US3530390A (en) * 1969-07-16 1970-09-22 Analog Devices Inc Operational amplifier with varactor bridge input circuit

Also Published As

Publication number Publication date
US3935540A (en) 1976-01-27
GB1366616A (en) 1974-09-11
JPS5114408B1 (show.php) 1976-05-10
DE2206761B2 (de) 1980-05-14
DE2206761C3 (de) 1981-01-29
DE2206761A1 (de) 1973-08-02
CA949656A (en) 1974-06-18
FR2129409A5 (show.php) 1972-10-27

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