NL47611C - - Google Patents

Info

Publication number
NL47611C
NL47611C NL84283A NL84283A NL47611C NL 47611 C NL47611 C NL 47611C NL 84283 A NL84283 A NL 84283A NL 84283 A NL84283 A NL 84283A NL 47611 C NL47611 C NL 47611C
Authority
NL
Netherlands
Application number
NL84283A
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 filed Critical
Application granted granted Critical
Publication of NL47611C publication Critical patent/NL47611C/xx

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)
NL84283A 1936-10-07 1937-09-24 NL47611C (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL47611C true NL47611C (en) 1940-01-15

Family

ID=6544118

Family Applications (1)

Application Number Title Priority Date Filing Date
NL84283A NL47611C (en) 1936-10-07 1937-09-24

Country Status (6)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE764713C (en) * 1938-11-12 1953-06-08 Aeg Method for transmitting a call signal to a receiver for frequency-modulated oscillations that is already connected to another transmitter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE392979C (en) * 1922-06-25 1924-03-31 Erwin Kindler Transmitter and receiver circuit for multiple telegraphy and telephony on one wave
FR699825A (en) * 1930-07-18 1931-02-20 Device for adapting a radio receiver to receiving waves that it cannot receive directly
DE600193C (en) * 1932-07-02 1935-09-28 Telefunken Gmbh Device for displaying both the flight target direction by means of reception on longer waves and the landing field strength by means of reception of ultrashort waves
CH169877A (en) * 1933-09-07 1934-06-15 Komet Radio A G Additional device for radio receivers to expand the waveband to include long waves.

Also Published As

Publication number Publication date
US2195888A (en) 1940-04-02
FR827205A (en) 1938-04-21
BE382543A (en) 1931-10-31
GB490485A (en) 1938-08-16
DE750716C (en) 1945-01-26

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