FR376100A - Telegraph and telephone communication system - Google Patents

Telegraph and telephone communication system

Info

Publication number
FR376100A
FR376100A FR376100DA FR376100A FR 376100 A FR376100 A FR 376100A FR 376100D A FR376100D A FR 376100DA FR 376100 A FR376100 A FR 376100A
Authority
FR
France
Prior art keywords
telegraph
communication system
telephone communication
telephone
communication
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
Louis Maiche
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR376100A publication Critical patent/FR376100A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/38—Transceivers, 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
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR376100D 1906-05-30 1906-05-30 Telegraph and telephone communication system Expired FR376100A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR376100T 1906-05-30

Publications (1)

Publication Number Publication Date
FR376100A true FR376100A (en) 1907-07-30

Family

ID=1422617

Family Applications (1)

Application Number Title Priority Date Filing Date
FR376100D Expired FR376100A (en) 1906-05-30 1906-05-30 Telegraph and telephone communication system

Country Status (1)

Country Link
FR (1) FR376100A (en)

Similar Documents

Publication Publication Date Title
FR376100A (en) Telegraph and telephone communication system
FR7464E (en) Telegraph and telephone communication system
FR366342A (en) Telephone dialer system
FR367014A (en) Telephone system
FR384388A (en) Telephone system
FR364899A (en) Phone system
FR380893A (en) Phone system
FR364610A (en) Multiple phone system
ES40866A1 (en) A telegraphic and telephone communication system.
FR374988A (en) Telephone system
FR393737A (en) Automatic telephone communications system
FR5890E (en) Telephone microphone and receiver
FR394043A (en) Telegraph system
FR400944A (en) Automatic telephone communication system
FR395720A (en) Telephone system
FR357253A (en) Loudspeaker combined telephone and telegraph system
FR377785A (en) Telephone transmission device
FR389326A (en) Semi-automatic telephone system
FR409271A (en) Telephone system
FR414197A (en) Telephone system
FR371940A (en) Telegraph transmission device
FR377966A (en) Telephone transmitter
DK7399C (en) Air-insulated Telephone and Telegraph Cable.
FR372107A (en) Microphone system
FR382438A (en) Telephone receiver