FR1154434A - Récepteurs d'ondes radioélectriques - Google Patents

Récepteurs d'ondes radioélectriques

Info

Publication number
FR1154434A
FR1154434A FR1154434DA FR1154434A FR 1154434 A FR1154434 A FR 1154434A FR 1154434D A FR1154434D A FR 1154434DA FR 1154434 A FR1154434 A FR 1154434A
Authority
FR
France
Prior art keywords
radio wave
wave receivers
receivers
radio
wave
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)
Inventor
Harry Hugo Abelew
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1154434A publication Critical patent/FR1154434A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/063—Superheterodyne receivers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Emergency Alarm Devices (AREA)
FR1154434D 1955-03-01 1956-03-01 Récepteurs d'ondes radioélectriques Expired FR1154434A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1154434XA 1955-03-01 1955-03-01

Publications (1)

Publication Number Publication Date
FR1154434A true FR1154434A (fr) 1958-04-10

Family

ID=22361431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1154434D Expired FR1154434A (fr) 1955-03-01 1956-03-01 Récepteurs d'ondes radioélectriques

Country Status (2)

Country Link
DE (1) DE1142195B (fr)
FR (1) FR1154434A (fr)

Also Published As

Publication number Publication date
DE1142195B (de) 1963-01-10

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