GB499114A - Improvements in or relating to alternating current telegraphy systems - Google Patents

Improvements in or relating to alternating current telegraphy systems

Info

Publication number
GB499114A
GB499114A GB14319/38A GB1431938A GB499114A GB 499114 A GB499114 A GB 499114A GB 14319/38 A GB14319/38 A GB 14319/38A GB 1431938 A GB1431938 A GB 1431938A GB 499114 A GB499114 A GB 499114A
Authority
GB
United Kingdom
Prior art keywords
rectifiers
series
shunt
amplitude
network
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
GB14319/38A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB499114A publication Critical patent/GB499114A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/02Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Rectifiers (AREA)
GB14319/38A 1937-05-13 1938-05-13 Improvements in or relating to alternating current telegraphy systems Expired GB499114A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE206857X 1937-05-13

Publications (1)

Publication Number Publication Date
GB499114A true GB499114A (en) 1939-01-18

Family

ID=5793386

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14319/38A Expired GB499114A (en) 1937-05-13 1938-05-13 Improvements in or relating to alternating current telegraphy systems

Country Status (5)

Country Link
US (1) US2195294A (enrdf_load_stackoverflow)
BE (1) BE427605A (enrdf_load_stackoverflow)
CH (1) CH206857A (enrdf_load_stackoverflow)
FR (1) FR837849A (enrdf_load_stackoverflow)
GB (1) GB499114A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2822421A (en) * 1952-10-16 1958-02-04 Int Standard Electric Corp Modulator for voice frequency telegraph systems

Also Published As

Publication number Publication date
FR837849A (fr) 1939-02-21
CH206857A (de) 1939-08-31
US2195294A (en) 1940-03-26
BE427605A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2307771A (en) Carrier current communication system
US2834879A (en) Frequency selective system
GB405026A (en) Carrier current transmission system
US2572074A (en) Voice-frequency signaling system
GB499114A (en) Improvements in or relating to alternating current telegraphy systems
US2215482A (en) Carrier wave telephony
US2138613A (en) Signaling system
US2733299A (en) staples
US2131388A (en) Apparatus for communication systems
US2043355A (en) Carrier telegraph receiver
GB369304A (en) Improvements relating to electrical circuits
US1687432A (en) Composite signaling system
US1634286A (en) Telegraph circuits
US2154694A (en) Communication system
US1374219A (en) Composite transmission system
US1367305A (en) Telegraphy
US1940153A (en) Wave signaling system
US1801774A (en) Radio signaling system
US1836904A (en) Wired broadcast distribution
GB637473A (en) Improvements in and relating to carrier telegraph systems
US1749416A (en) Telephone and telegraph circuits
US1863655A (en) Means for reducing lightning interference in carrier telegraph systems
US1655421A (en) Differential duplex telegraph repeater
US1832722A (en) Shaping arrangement for metallic telegraph circuits
US1809722A (en) Superposed telegraph system