FR649433A - - Google Patents

Info

Publication number
FR649433A
FR649433A FR649433DA FR649433A FR 649433 A FR649433 A FR 649433A FR 649433D A FR649433D A FR 649433DA FR 649433 A FR649433 A FR 649433A
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
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.)
Publication date
Application granted granted Critical
Publication of FR649433A publication Critical patent/FR649433A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
FR649433D 1927-01-28 Expired FR649433A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US164341A US1792274A (en) 1927-01-28 1927-01-28 Amplifying system

Publications (1)

Publication Number Publication Date
FR649433A true FR649433A (fr) 1928-12-21

Family

ID=22594051

Family Applications (1)

Application Number Title Priority Date Filing Date
FR649433D Expired FR649433A (fr) 1927-01-28

Country Status (4)

Country Link
US (1) US1792274A (fr)
FR (1) FR649433A (fr)
GB (1) GB284587A (fr)
NL (1) NL26272C (fr)

Also Published As

Publication number Publication date
US1792274A (en) 1931-02-10
NL26272C (fr)
GB284587A (en) 1928-06-07

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