FR836904A - Improvements to electric band-pass filters - Google Patents

Improvements to electric band-pass filters

Info

Publication number
FR836904A
FR836904A FR836904DA FR836904A FR 836904 A FR836904 A FR 836904A FR 836904D A FR836904D A FR 836904DA FR 836904 A FR836904 A FR 836904A
Authority
FR
France
Prior art keywords
pass filters
electric band
band
electric
filters
Prior art date
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
Other languages
French (fr)
Inventor
Peter Pendleton Eckersley
Rupert Evan Howard Carpenter
Gordon Boy Ringham
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 filed Critical
Application granted granted Critical
Publication of FR836904A publication Critical patent/FR836904A/en
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
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
FR836904D 1937-04-23 1938-04-20 Improvements to electric band-pass filters Expired FR836904A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB836904X 1937-04-23

Publications (1)

Publication Number Publication Date
FR836904A true FR836904A (en) 1939-01-30

Family

ID=10554254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836904D Expired FR836904A (en) 1937-04-23 1938-04-20 Improvements to electric band-pass filters

Country Status (1)

Country Link
FR (1) FR836904A (en)

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