FR760220A - Improvements in telegraphy and wireless telephony devices - Google Patents

Improvements in telegraphy and wireless telephony devices

Info

Publication number
FR760220A
FR760220A FR760220DA FR760220A FR 760220 A FR760220 A FR 760220A FR 760220D A FR760220D A FR 760220DA FR 760220 A FR760220 A FR 760220A
Authority
FR
France
Prior art keywords
telegraphy
telephony devices
wireless telephony
wireless
devices
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
French (fr)
Inventor
Albert Vinten Pettman
William Reed-Lethbridge
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 FR760220A publication Critical patent/FR760220A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/18Input circuits, e.g. for coupling to an antenna or a transmission line

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
FR760220D 1932-09-02 1933-08-31 Improvements in telegraphy and wireless telephony devices Expired FR760220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ408502X 1932-09-02

Publications (1)

Publication Number Publication Date
FR760220A true FR760220A (en) 1934-02-19

Family

ID=19915753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR760220D Expired FR760220A (en) 1932-09-02 1933-08-31 Improvements in telegraphy and wireless telephony devices

Country Status (3)

Country Link
BE (1) BE398400A (en)
FR (1) FR760220A (en)
GB (1) GB408502A (en)

Also Published As

Publication number Publication date
GB408502A (en) 1934-04-12
BE398400A (en)

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