NL37403C - - Google Patents

Info

Publication number
NL37403C
NL37403C NL37403DA NL37403C NL 37403 C NL37403 C NL 37403C NL 37403D A NL37403D A NL 37403DA NL 37403 C NL37403 C NL 37403C
Authority
NL
Netherlands
Application number
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 of NL37403C publication Critical patent/NL37403C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/08—Transmission systems not characterised by the medium used for transmission characterised by the use of a sub-carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/12—Frequency diversity
NL37403D 1930-11-23 NL37403C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE682789T 1930-11-23

Publications (1)

Publication Number Publication Date
NL37403C true NL37403C (xx)

Family

ID=6320309

Family Applications (1)

Application Number Title Priority Date Filing Date
NL37403D NL37403C (xx) 1930-11-23

Country Status (5)

Country Link
US (1) US1982771A (xx)
BE (1) BE384321A (xx)
DE (1) DE682789C (xx)
GB (1) GB370351A (xx)
NL (1) NL37403C (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532719A (en) * 1944-10-16 1950-12-05 John H Homrighous Dimensional radio communication system
US2979706A (en) * 1956-07-02 1961-04-11 Avery H Simon Radio warning system
US3462688A (en) * 1967-04-10 1969-08-19 William E Abel Communication system for classroom use and the like

Also Published As

Publication number Publication date
DE682789C (de) 1939-10-21
GB370351A (en) 1932-04-07
BE384321A (xx)
US1982771A (en) 1934-12-04

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