FR827205A - Récepteur hétérodyne - Google Patents

Récepteur hétérodyne

Info

Publication number
FR827205A
FR827205A FR827205DA FR827205A FR 827205 A FR827205 A FR 827205A FR 827205D A FR827205D A FR 827205DA FR 827205 A FR827205 A FR 827205A
Authority
FR
France
Prior art keywords
heterodyne receiver
heterodyne
receiver
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 FR827205A publication Critical patent/FR827205A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/24—Apparatus or circuits at the receiving end
    • H04L15/26—Apparatus or circuits at the receiving end operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers
    • B61G11/14—Buffers absorbing shocks by mechanical friction action; Combinations of mechanical shock-absorbers and springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Transmitters (AREA)
  • Circuits Of Receivers In General (AREA)
FR827205D 1936-10-07 1937-09-28 Récepteur hétérodyne Expired FR827205A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE750716T 1936-10-07

Publications (1)

Publication Number Publication Date
FR827205A true FR827205A (fr) 1938-04-21

Family

ID=6544118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR827205D Expired FR827205A (fr) 1936-10-07 1937-09-28 Récepteur hétérodyne

Country Status (6)

Country Link
US (1) US2195888A (en:Method)
BE (1) BE382543A (en:Method)
DE (1) DE750716C (en:Method)
FR (1) FR827205A (en:Method)
GB (1) GB490485A (en:Method)
NL (1) NL47611C (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE764713C (de) * 1938-11-12 1953-06-08 Aeg Verfahren zur UEbertragung eines Anrufsignals zu einem bereits mit einem anderen Sender in Verbindung stehenden Empfaenger fuer frequenzmodulierte Schwingungen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE392979C (de) * 1922-06-25 1924-03-31 Erwin Kindler Sende- und Empfaengerschaltung fuer Mehrfachtelegraphie und -telephonie auf einer Welle
FR699825A (fr) * 1930-07-18 1931-02-20 Dispositif permettant d'adapter un radio-récepteur à la réception d'ondes qu'il ne peut recevoir directement
DE600193C (de) * 1932-07-02 1935-09-28 Telefunken Gmbh Einrichtung zur Anzeige sowohl der Flugzielrichtung mittels Empfangs auf laengeren Wellen als auch der Landungsfeldstaerke mittels Empfangs von ultrakurzen Wellen
CH169877A (de) * 1933-09-07 1934-06-15 Komet Radio A G Zusatzgerät für Radioempfänger zur Erweiterung des Wellenbereiches auf lange Wellen.

Also Published As

Publication number Publication date
DE750716C (de) 1945-01-26
NL47611C (en:Method) 1940-01-15
BE382543A (en:Method) 1931-10-31
GB490485A (en) 1938-08-16
US2195888A (en) 1940-04-02

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