FR1568426A - - Google Patents

Info

Publication number
FR1568426A
FR1568426A FR1568426DA FR1568426A FR 1568426 A FR1568426 A FR 1568426A FR 1568426D A FR1568426D A FR 1568426DA FR 1568426 A FR1568426 A FR 1568426A
Authority
FR
France
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)
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 FR1568426A publication Critical patent/FR1568426A/fr
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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • 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
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
FR1568426D 1967-04-21 1968-04-19 Expired FR1568426A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0092163 1967-04-21

Publications (1)

Publication Number Publication Date
FR1568426A true FR1568426A (en) 1969-05-23

Family

ID=6986233

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1568426D Expired FR1568426A (en) 1967-04-21 1968-04-19

Country Status (3)

Country Link
CH (1) CH465019A (en)
DE (1) DE1566989A1 (en)
FR (1) FR1568426A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1018254A (en) * 1973-03-29 1977-09-27 Motorola Portable telephone system having a battery saver feature
GB1508750A (en) * 1975-05-28 1978-04-26 Tani Denki Kogyo Kk Transmit-receive circuit changing switch system
DE2758714C2 (en) * 1977-12-29 1985-10-10 Neumann Elektronik GmbH, 4330 Mülheim Telecommunication system

Also Published As

Publication number Publication date
CH465019A (en) 1968-11-15
DE1566989A1 (en) 1970-02-12

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Legal Events

Date Code Title Description
ST Notification of lapse