IT990286B - Perfezionamento nei filtri automa tioi variabili per spettrometri a frequanza variabile e simili - Google Patents

Perfezionamento nei filtri automa tioi variabili per spettrometri a frequanza variabile e simili

Info

Publication number
IT990286B
IT990286B IT5209673A IT5209673A IT990286B IT 990286 B IT990286 B IT 990286B IT 5209673 A IT5209673 A IT 5209673A IT 5209673 A IT5209673 A IT 5209673A IT 990286 B IT990286 B IT 990286B
Authority
IT
Italy
Prior art keywords
variable
improvement
similar
automatic filters
variable frequency
Prior art date
Application number
IT5209673A
Other languages
English (en)
Italian (it)
Original Assignee
Perkin Elmer Corp
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 Perkin Elmer Corp filed Critical Perkin Elmer Corp
Application granted granted Critical
Publication of IT990286B publication Critical patent/IT990286B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
IT5209673A 1972-08-24 1973-08-21 Perfezionamento nei filtri automa tioi variabili per spettrometri a frequanza variabile e simili IT990286B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28339972A 1972-08-24 1972-08-24

Publications (1)

Publication Number Publication Date
IT990286B true IT990286B (it) 1975-06-20

Family

ID=23085879

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5209673A IT990286B (it) 1972-08-24 1973-08-21 Perfezionamento nei filtri automa tioi variabili per spettrometri a frequanza variabile e simili

Country Status (6)

Country Link
JP (1) JPS4960749A (cg-RX-API-DMAC7.html)
AU (1) AU5923873A (cg-RX-API-DMAC7.html)
CA (1) CA992761A (cg-RX-API-DMAC7.html)
DE (1) DE2341628A1 (cg-RX-API-DMAC7.html)
FR (1) FR2197460A5 (cg-RX-API-DMAC7.html)
IT (1) IT990286B (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739173B2 (de) * 1977-08-31 1979-11-15 Wabco Fahrzeugbremsen Gmbh, 3000 Hannover Schaltungsanordnung zum Unwirksammachen von Sensorstörsignalen
JPS5961757A (ja) * 1982-09-30 1984-04-09 Shimadzu Corp 分光螢光光度計

Also Published As

Publication number Publication date
FR2197460A5 (cg-RX-API-DMAC7.html) 1974-03-22
CA992761A (en) 1976-07-13
DE2341628A1 (de) 1974-03-07
AU5923873A (en) 1975-02-20
JPS4960749A (cg-RX-API-DMAC7.html) 1974-06-12

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