FR2039674A5 - - Google Patents

Info

Publication number
FR2039674A5
FR2039674A5 FR7009748A FR7009748A FR2039674A5 FR 2039674 A5 FR2039674 A5 FR 2039674A5 FR 7009748 A FR7009748 A FR 7009748A FR 7009748 A FR7009748 A FR 7009748A FR 2039674 A5 FR2039674 A5 FR 2039674A5
Authority
FR
France
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
FR7009748A
Other languages
French (fr)
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.)
Nederlanden Staat
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Application granted granted Critical
Publication of FR2039674A5 publication Critical patent/FR2039674A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Amplifiers (AREA)
FR7009748A 1969-03-21 1970-03-18 Expired FR2039674A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6904452A NL6904452A (enrdf_load_stackoverflow) 1969-03-21 1969-03-21

Publications (1)

Publication Number Publication Date
FR2039674A5 true FR2039674A5 (enrdf_load_stackoverflow) 1971-01-15

Family

ID=19806494

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7009748A Expired FR2039674A5 (enrdf_load_stackoverflow) 1969-03-21 1970-03-18

Country Status (4)

Country Link
DE (1) DE2012456A1 (enrdf_load_stackoverflow)
FR (1) FR2039674A5 (enrdf_load_stackoverflow)
GB (1) GB1295773A (enrdf_load_stackoverflow)
NL (1) NL6904452A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL175777C (nl) * 1977-05-27 1984-12-17 Nederlanden Staat Schakeling voor de eliminatie van de achtergrondhelderheidsvariatie van een videosignaal.
CN114166275A (zh) * 2021-11-30 2022-03-11 厦门加华电力科技有限公司 一种便携式高压开关柜sf6综合检测仪

Also Published As

Publication number Publication date
NL6904452A (enrdf_load_stackoverflow) 1970-09-23
GB1295773A (enrdf_load_stackoverflow) 1972-11-08
DE2012456A1 (de) 1971-02-18

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Legal Events

Date Code Title Description
ST Notification of lapse