FR970272A - Emetteur-récepteur télégraphique - Google Patents

Emetteur-récepteur télégraphique

Info

Publication number
FR970272A
FR970272A FR970272DA FR970272A FR 970272 A FR970272 A FR 970272A FR 970272D A FR970272D A FR 970272DA FR 970272 A FR970272 A FR 970272A
Authority
FR
France
Prior art keywords
telegraph
transceiver
telegraph transceiver
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR970272A publication Critical patent/FR970272A/fr
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
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • H04B1/44Transmit/receive switching
    • 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR970272D 1947-08-12 1948-08-10 Emetteur-récepteur télégraphique Expired FR970272A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL674045X 1947-08-12

Publications (1)

Publication Number Publication Date
FR970272A true FR970272A (fr) 1951-01-02

Family

ID=19802219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970272D Expired FR970272A (fr) 1947-08-12 1948-08-10 Emetteur-récepteur télégraphique

Country Status (5)

Country Link
US (1) US2554096A (fr)
BE (1) BE484305A (fr)
FR (1) FR970272A (fr)
GB (1) GB674045A (fr)
NL (1) NL74146C (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424030A (en) * 1932-01-30 1947-07-15 Harvey C Hayes Balanced driver for sonic depth finders
US2410065A (en) * 1935-08-06 1946-10-29 Submarine Signal Co Electrical circuits
US2400796A (en) * 1939-12-29 1946-05-21 Gen Electric Signal apparatus
US2446960A (en) * 1945-03-10 1948-08-10 Int Projector Corp Echo sounding indicator
US2492160A (en) * 1945-12-03 1949-12-27 John P Lekas Multitone keyer

Also Published As

Publication number Publication date
US2554096A (en) 1951-05-22
BE484305A (fr)
GB674045A (en) 1952-06-18
NL74146C (fr)

Similar Documents

Publication Publication Date Title
FR977934A (fr) Appareillage de communication
FI21913A (fi) Regellås
FI21840A (fi) Roterande sinterapparat
FR970272A (fr) Emetteur-récepteur télégraphique
AT163250B (de) Malschloß
FR970273A (fr) Récepteur télégraphique
ES14380Y (es) Racord,
FI24647A (fi) Vätskepreparat, innehållande kiselestrar
FR952933A (fr) Transmission électromagnétique
ES15447Y (es) Sommier
ES15070Y (es) carta-postal-sobre
ES14674Y (es) Alpargata
ES14326Y (es) Alpargata
AT169536B (de) Libelle
AT168548B (de) Hammerklavier
FI22002A (fi) Televisionsmottagare
FI21934A (fi) Trågklarningsanordning
FI21978A (fi) Dörrstängare
FI22082A (fi) Kopplingsdosa
FI22089A (fi) Vinkel- och knäskena
FI22068A (fi) Vattenlås
FI21966A (fi) Självkontrollerande hyresbak
FI21979A (fi) Rakapparat
FI21995A (fi) Torvuppskärningsmaskin
FI22054A (fi) Lastning- och transportanordning