GB312079A - Improvements in high frequency duplex signalling systems - Google Patents

Improvements in high frequency duplex signalling systems

Info

Publication number
GB312079A
GB312079A GB15394/29A GB1539429A GB312079A GB 312079 A GB312079 A GB 312079A GB 15394/29 A GB15394/29 A GB 15394/29A GB 1539429 A GB1539429 A GB 1539429A GB 312079 A GB312079 A GB 312079A
Authority
GB
United Kingdom
Prior art keywords
oscillations
frequency
interrupted
signalling
produced
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
GB15394/29A
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Publication of GB312079A publication Critical patent/GB312079A/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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
GB15394/29A 1928-05-18 1929-05-16 Improvements in high frequency duplex signalling systems Expired GB312079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE312079X 1928-05-18

Publications (1)

Publication Number Publication Date
GB312079A true GB312079A (en) 1930-05-22

Family

ID=6133182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15394/29A Expired GB312079A (en) 1928-05-18 1929-05-16 Improvements in high frequency duplex signalling systems

Country Status (3)

Country Link
DE (1) DE594041C (de)
FR (1) FR675362A (de)
GB (1) GB312079A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446819A (en) * 1943-03-27 1948-08-10 Gen Electric Synchronized pulse communication system
US2812428A (en) * 1954-09-27 1957-11-05 Radio Patents Company Passive responder radio system
US3112445A (en) * 1961-08-17 1963-11-26 Texas Instruments Inc Superregenerative transistor transceiver

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE508192A (de) * 1953-06-15
DE1044907B (de) * 1955-12-17 1958-11-27 Telefunken Gmbh In Aufschreischaltung betriebene Endstelle einer Wechselsprechfunkverbindung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446819A (en) * 1943-03-27 1948-08-10 Gen Electric Synchronized pulse communication system
US2812428A (en) * 1954-09-27 1957-11-05 Radio Patents Company Passive responder radio system
US3112445A (en) * 1961-08-17 1963-11-26 Texas Instruments Inc Superregenerative transistor transceiver

Also Published As

Publication number Publication date
FR675362A (fr) 1930-02-10
DE594041C (de)

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