FR820013A - Improvements made to radio receivers - Google Patents

Improvements made to radio receivers

Info

Publication number
FR820013A
FR820013A FR820013DA FR820013A FR 820013 A FR820013 A FR 820013A FR 820013D A FR820013D A FR 820013DA FR 820013 A FR820013 A FR 820013A
Authority
FR
France
Prior art keywords
improvements made
radio receivers
receivers
radio
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR820013A publication Critical patent/FR820013A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/047—Automatic frequency control using an auxiliary signal, e.g. low frequency scanning of the locking range or superimposing a special signal on the input signal
FR820013D 1936-03-31 1937-03-31 Improvements made to radio receivers Expired FR820013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE820013X 1936-03-31

Publications (1)

Publication Number Publication Date
FR820013A true FR820013A (en) 1937-10-30

Family

ID=6735861

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820013D Expired FR820013A (en) 1936-03-31 1937-03-31 Improvements made to radio receivers

Country Status (1)

Country Link
FR (1) FR820013A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE764496C (en) * 1937-12-11 1953-03-16 Telefunken Gmbh Device for automatic sharpening for devices for receiving electromagnetic short waves, especially decimeter waves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE764496C (en) * 1937-12-11 1953-03-16 Telefunken Gmbh Device for automatic sharpening for devices for receiving electromagnetic short waves, especially decimeter waves

Similar Documents

Publication Publication Date Title
FR812987A (en) Improvements to television receivers
FR804837A (en) Improvements to radio receivers
FR48009E (en) Improvements to television receivers
FR790335A (en) Improvements to radio receivers
FR828418A (en) Improvements to radio receivers
FR817271A (en) Improvements to television receivers
FR758215A (en) Improvements to radio receivers
FR839090A (en) Improvements to radio receivers
FR835862A (en) Improvements to homodyne radio receivers
FR829278A (en) Improvements to television transmitting devices
FR820013A (en) Improvements made to radio receivers
FR756582A (en) Improvements to radio receivers
FR828094A (en) Improvements to radio receivers
FR738451A (en) Improvements to radio receivers
FR808805A (en) Improvements to television receivers
FR46464E (en) Improvements to radio receivers
FR783289A (en) Improvements to radio receivers
FR48940E (en) Improvements to radio receivers
FR811715A (en) Improvements to radio stations
FR782162A (en) Improvements to radio receivers
FR766463A (en) Improvements to radio receivers
FR766409A (en) Improvements to radio receivers
FR775727A (en) Improvements to radio receivers
FR822765A (en) Improvements to stereographometers
FR834828A (en) Improvements to radio receivers