FR730208A - Improvements to radio reception devices - Google Patents

Improvements to radio reception devices

Info

Publication number
FR730208A
FR730208A FR730208DA FR730208A FR 730208 A FR730208 A FR 730208A FR 730208D A FR730208D A FR 730208DA FR 730208 A FR730208 A FR 730208A
Authority
FR
France
Prior art keywords
radio reception
reception devices
devices
radio
reception
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
Edward John Wyborn
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.)
EK Cole Ltd
Original Assignee
EK Cole Ltd
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 EK Cole Ltd filed Critical EK Cole Ltd
Application granted granted Critical
Publication of FR730208A publication Critical patent/FR730208A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR730208D 1931-01-21 1932-01-20 Improvements to radio reception devices Expired FR730208A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB730208X 1931-01-21

Publications (1)

Publication Number Publication Date
FR730208A true FR730208A (en) 1932-08-09

Family

ID=10495466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR730208D Expired FR730208A (en) 1931-01-21 1932-01-20 Improvements to radio reception devices

Country Status (2)

Country Link
BE (1) BE385798A (en)
FR (1) FR730208A (en)

Also Published As

Publication number Publication date
BE385798A (en)

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