GB380316A - Improvements in or relating to keying arrangements for wireless telegraphic transmitting apparatus - Google Patents

Improvements in or relating to keying arrangements for wireless telegraphic transmitting apparatus

Info

Publication number
GB380316A
GB380316A GB34741/31A GB3474131A GB380316A GB 380316 A GB380316 A GB 380316A GB 34741/31 A GB34741/31 A GB 34741/31A GB 3474131 A GB3474131 A GB 3474131A GB 380316 A GB380316 A GB 380316A
Authority
GB
United Kingdom
Prior art keywords
contact
amplifier
oscillator
relay
circuit
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
GB34741/31A
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 GB380316A publication Critical patent/GB380316A/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)
  • Transmitters (AREA)
  • Selective Calling Equipment (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
GB34741/31A 1931-04-01 1931-12-15 Improvements in or relating to keying arrangements for wireless telegraphic transmitting apparatus Expired GB380316A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL78018D DE549147C (de) 1931-04-01 1931-04-01 Anordnung zum Weichtasten von fremdgesteuerten Sendern

Publications (1)

Publication Number Publication Date
GB380316A true GB380316A (en) 1932-09-15

Family

ID=29283139

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34741/31A Expired GB380316A (en) 1931-04-01 1931-12-15 Improvements in or relating to keying arrangements for wireless telegraphic transmitting apparatus

Country Status (5)

Country Link
US (1) US2005790A (de)
AT (1) AT130839B (de)
DE (2) DE549147C (de)
FR (1) FR728688A (de)
GB (1) GB380316A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691094A (en) * 1951-09-26 1954-10-05 Motorola Inc Radio control circuit
DE960210C (de) * 1954-10-22 1957-03-21 Siemens Ag Verfahren zur Tastung eines fremdgesteuerten Telegrafiesenders

Also Published As

Publication number Publication date
AT130839B (de) 1932-12-10
US2005790A (en) 1935-06-25
DE659913C (de) 1938-05-14
DE549147C (de) 1932-04-23
FR728688A (fr) 1932-07-09

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