FR977847A - Dispositif de radio-communication - Google Patents

Dispositif de radio-communication

Info

Publication number
FR977847A
FR977847A FR977847DA FR977847A FR 977847 A FR977847 A FR 977847A FR 977847D A FR977847D A FR 977847DA FR 977847 A FR977847 A FR 977847A
Authority
FR
France
Prior art keywords
communication device
radio communication
radio
communication
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)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR977847A publication Critical patent/FR977847A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/04—Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Transmission System (AREA)
FR977847D 1943-06-30 1947-07-31 Dispositif de radio-communication Expired FR977847A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US492788A US2397885A (en) 1943-06-30 1943-06-30 Frequency diversity telegraph system
US566079A US2407684A (en) 1943-06-30 1944-12-01 Radio communication system

Publications (1)

Publication Number Publication Date
FR977847A true FR977847A (fr) 1951-04-05

Family

ID=27050874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR977847D Expired FR977847A (fr) 1943-06-30 1947-07-31 Dispositif de radio-communication

Country Status (5)

Country Link
US (2) US2397885A (fr)
BE (1) BE475946A (fr)
FR (1) FR977847A (fr)
GB (2) GB654253A (fr)
NL (1) NL91653C (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495997A (en) * 1944-10-31 1950-01-31 Philco Corp Radio receiver aligning apparatus and method
US2455996A (en) * 1945-12-15 1948-12-14 Rca Corp Frequency modulated radio testing system
US2507730A (en) * 1946-05-16 1950-05-16 Rca Corp Frequency shift receiver
US3045071A (en) * 1956-11-13 1962-07-17 Decca Ltd Electrical transmission and storage of information represented by direct voltages
CH350011A (de) * 1957-02-21 1960-11-15 Siemens Ag Albis Schaltungsanordnung zum Übertragen von Nachrichten über Fernschreibvermittlungsanlagen
US3037080A (en) * 1960-06-07 1962-05-29 Schindler Ludwig Telecommunication receiver
US4335464A (en) * 1980-01-24 1982-06-15 Paradyne Corporation Dual multipoint data transmission system modem

Also Published As

Publication number Publication date
NL91653C (fr) 1959-08-15
US2407684A (en) 1946-09-17
GB654271A (en) 1951-06-13
US2397885A (en) 1946-04-02
GB654253A (en) 1951-06-13
BE475946A (fr)

Similar Documents

Publication Publication Date Title
FR65352E (fr) Systèmes radioélectriques de communication
CH265990A (de) Radioempfangsanlage.
FR917880A (fr) Dispositif perforateur perfectionné
FR977847A (fr) Dispositif de radio-communication
FR951382A (fr) Systèmes de radiobalises
FR952696A (fr) Radiorécepteurs
ES176252A1 (es) Mejoras en sistemas de radiorrecepción
CH259498A (de) Kombinierte Funk-Sende- und -Empfangseinrichtung.
FR948995A (fr) Récepteurs de radio
CH249264A (de) Funkempfänger.
FR938611A (fr) Antenne
CH247357A (de) Radioempfänger.
FR987451A (fr) Aériens radioélectriques
FR903904A (fr) Récepteur superhétérodyne
FR901657A (fr) Dispositif de charnière
FR904754A (fr) émetteur radio-électrique
AT168427B (de) Radioempfänger
FR906522A (fr) Dispositif de communication
FR985943A (fr) Aériens radioélectriques
FR905023A (fr) émetteur-récepteur radio-électrique
CH246851A (fr) Poste récepteur radioélectrique.
FR903676A (fr) Appareil récepteur radiophonique
DK76239C (da) Radiobåkeanlæg.
ES162112A1 (es) Un aparat receptor de radio
FR58601E (fr) Systèmes radioélectriques de communication