FR744002A - - Google Patents

Info

Publication number
FR744002A
FR744002A FR744002DA FR744002A FR 744002 A FR744002 A FR 744002A FR 744002D A FR744002D A FR 744002DA FR 744002 A FR744002 A FR 744002A
Authority
FR
France
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)
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.)
Publication date
Application granted granted Critical
Publication of FR744002A publication Critical patent/FR744002A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/045—Filters applied to frequency transposition

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
FR744002D 1931-08-14 Expired FR744002A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US556949A US1910977A (en) 1931-08-14 1931-08-14 Wave transmission system

Publications (1)

Publication Number Publication Date
FR744002A true FR744002A (ko) 1933-04-10

Family

ID=24223473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR744002D Expired FR744002A (ko) 1931-08-14

Country Status (5)

Country Link
US (1) US1910977A (ko)
DE (1) DE613221C (ko)
FR (1) FR744002A (ko)
GB (1) GB405026A (ko)
NL (1) NL35164C (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745229C (de) * 1939-01-15 1944-03-01 Lorenz C Ag Schaltung zum Zusammenfuehren der Ausgaenge von abgestimmten Verstaerkern auf gemeinsame Verbraucher
DE865151C (de) * 1943-05-18 1953-01-29 Siemens Ag Einseitenband-Traegerfrequenz-Fernsprechsystem
US2550198A (en) * 1944-10-10 1951-04-24 Marzin Pierre Coaxial-cable carrier system
BE478612A (ko) * 1947-01-02
DE973493C (de) * 1950-09-28 1960-03-10 Philips Nv Einseitenbandtraegerfrequenzfernsprechsystem
US2991562A (en) * 1953-04-10 1961-07-11 Donald G C Hare Training aid system for wave detection equipment
US2844711A (en) * 1953-06-08 1958-07-22 Motorola Inc Multiple frequency channel multiplex communication system
NL188694B (nl) * 1953-06-29 Lilly Co Eli Werkwijze voor de verlaging van de concentratie van nitroseermiddelen in 1-chloor-2,6-dinitro-4-(trifluormethyl)-benzeen.
US2871293A (en) * 1954-09-17 1959-01-27 Itt Multichannel telephone carrier system
US3754101A (en) * 1971-07-02 1973-08-21 Universal Signal Corp Frequency rate communication system
US3771064A (en) * 1972-07-03 1973-11-06 Electronic Labor Inc Bidirectional signal processing means

Also Published As

Publication number Publication date
NL35164C (ko)
GB405026A (en) 1934-01-29
DE613221C (de) 1935-05-18
US1910977A (en) 1933-05-23

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