FR839011A - Filtre de bande réglable, destiné en particulier aux installations radiophoniques avec fil - Google Patents

Filtre de bande réglable, destiné en particulier aux installations radiophoniques avec fil

Info

Publication number
FR839011A
FR839011A FR839011DA FR839011A FR 839011 A FR839011 A FR 839011A FR 839011D A FR839011D A FR 839011DA FR 839011 A FR839011 A FR 839011A
Authority
FR
France
Prior art keywords
corded
band filter
especially intended
adjustable band
radio installations
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
English (en)
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR839011A publication Critical patent/FR839011A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H04H20/77—Wired systems using carrier waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/02—Variable filter component
    • H03H2210/025—Capacitor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/03—Type of tuning
    • H03H2210/036—Stepwise

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR839011D 1937-06-11 1938-06-08 Filtre de bande réglable, destiné en particulier aux installations radiophoniques avec fil Expired FR839011A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202651X 1937-06-11

Publications (1)

Publication Number Publication Date
FR839011A true FR839011A (fr) 1939-03-22

Family

ID=5772538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839011D Expired FR839011A (fr) 1937-06-11 1938-06-08 Filtre de bande réglable, destiné en particulier aux installations radiophoniques avec fil

Country Status (3)

Country Link
BE (1) BE428524A (pm)
CH (1) CH202651A (pm)
FR (1) FR839011A (pm)

Also Published As

Publication number Publication date
BE428524A (pm) 1938-07-30
CH202651A (de) 1939-01-31

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