[go: up one dir, main page]

DK134840B - Anlæg til automatisk afstemning af modtagere for trådløs og trådbunden informationsoverføring. - Google Patents

Anlæg til automatisk afstemning af modtagere for trådløs og trådbunden informationsoverføring.

Info

Publication number
DK134840B
DK134840B DK501269A DK501269A DK134840B DK 134840 B DK134840 B DK 134840B DK 501269 A DK501269 A DK 501269A DK 501269 A DK501269 A DK 501269A DK 134840 B DK134840 B DK 134840B
Authority
DK
Denmark
Prior art keywords
receivers
wireless
information transmission
automatic tuning
wired information
Prior art date
Application number
DK501269A
Other languages
Danish (da)
English (en)
Other versions
DK134840C (de
Inventor
Gustav Ragnar Berglund
Hans Oesten Maekitalo
Vilhelm Gunnar Fremin
Original Assignee
Svenska Radio Ab
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 Svenska Radio Ab filed Critical Svenska Radio Ab
Publication of DK134840B publication Critical patent/DK134840B/da
Application granted granted Critical
Publication of DK134840C publication Critical patent/DK134840C/da

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
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
    • H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
DK501269A 1968-09-20 1969-09-19 Anlæg til automatisk afstemning af modtagere for trådløs og trådbunden informationsoverføring. DK134840B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1275868A SE338598B (de) 1968-09-20 1968-09-20

Publications (2)

Publication Number Publication Date
DK134840B true DK134840B (da) 1977-01-24
DK134840C DK134840C (de) 1977-06-13

Family

ID=20296258

Family Applications (1)

Application Number Title Priority Date Filing Date
DK501269A DK134840B (da) 1968-09-20 1969-09-19 Anlæg til automatisk afstemning af modtagere for trådløs og trådbunden informationsoverføring.

Country Status (4)

Country Link
DK (1) DK134840B (de)
FI (1) FI53641C (de)
GB (1) GB1274708A (de)
SE (1) SE338598B (de)

Also Published As

Publication number Publication date
GB1274708A (en) 1972-05-17
DK134840C (de) 1977-06-13
SE338598B (de) 1971-09-13
DE1948261B2 (de) 1972-09-21
FI53641C (fi) 1978-06-12
DE1948261A1 (de) 1970-05-06
FI53641B (de) 1978-02-28

Similar Documents

Publication Publication Date Title
DK130093B (da) Fremgangsmåde og anlæg til transmission af data.
NL149659B (nl) Radiocommunicatiestelsel.
DK137159B (da) Fjernsynsmodtager.
DK117435B (da) Radiooverføringsanlæg og sender modtager til overføring af i et sådant anlæg benyttede stereofoniske signaler.
DK131259B (da) Transmissionsanlæg til transmission af flereniveau-informationssignaler.
NL166379C (nl) Radiotelefoonstelsel.
AT291347B (de) System zur Signalübertragung
DK128510B (da) Kanalvælger til højfrekvensmodtager.
DK111759B (da) Radiotransmissionsanlæg.
DK116064B (da) Overføringsanlæg og tilhørende modtager til signaloverføring ved impulskodemodulation.
DK121681B (da) Fremgangsmåde til fremstilling af mønter.
DK119672B (da) Absorptionsgenstand og fremgangsmåde til fremstilling af denne.
DK134840B (da) Anlæg til automatisk afstemning af modtagere for trådløs og trådbunden informationsoverføring.
AT307492B (de) Mitteneinstellvorrichtung für eine selbsttätige Mittelkupplung
NL171314C (nl) Frequentiemultiplex-transmissiestelsel.
DK119616C (da) Anlæg til automatisk sending af morsetegn.
DK124569B (da) Kapacitetsdiodesystem til afstemning af en modtager.
CH493174A (fr) Installation de réception de signaux télégraphiques
NL176515B (nl) Superheterodyne-ontvanger.
CH551120A (de) Simplexfunktelegraphenanlage.
FR1280868A (fr) Système de transmission radioélectrique
FR1371537A (fr) Système double de réglage silencieux pour radio-récepteur
AT291348B (de) Überlagerungsempfänger mit automatischer Frequenzregelung
FR2180847B1 (fr) Recepteur de television
DK124790B (da) VHF-fjernsynstuner.

Legal Events

Date Code Title Description
PBP Patent lapsed