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CH294530A - Method and device for sending pulse signals with frequency scanning, in particular for wireless telegraphy. - Google Patents

Method and device for sending pulse signals with frequency scanning, in particular for wireless telegraphy.

Info

Publication number
CH294530A
CH294530A CH294530DA CH294530A CH 294530 A CH294530 A CH 294530A CH 294530D A CH294530D A CH 294530DA CH 294530 A CH294530 A CH 294530A
Authority
CH
Switzerland
Prior art keywords
pulse signals
frequency scanning
sending pulse
wireless telegraphy
telegraphy
Prior art date
Application number
Other languages
German (de)
Inventor
Patentverwertungs-Elektro-Hold
Original Assignee
Patelhold Patentverwertung
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 Patelhold Patentverwertung filed Critical Patelhold Patentverwertung
Publication of CH294530A publication Critical patent/CH294530A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
CH294530D 1951-10-04 1951-10-04 Method and device for sending pulse signals with frequency scanning, in particular for wireless telegraphy. CH294530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH924329X 1951-10-04

Publications (1)

Publication Number Publication Date
CH294530A true CH294530A (en) 1953-11-15

Family

ID=4548338

Family Applications (1)

Application Number Title Priority Date Filing Date
CH294530D CH294530A (en) 1951-10-04 1951-10-04 Method and device for sending pulse signals with frequency scanning, in particular for wireless telegraphy.

Country Status (2)

Country Link
CH (1) CH294530A (en)
DE (1) DE924329C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803429A (en) * 1972-11-07 1974-04-09 Motorola Inc Switchable frequency tone filter and detector with high speed switching capability

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2461456A (en) * 1944-02-11 1949-02-08 Rca Corp Frequency shift keying
US2548814A (en) * 1946-05-29 1951-04-10 Rca Corp Frequency shift signaling

Also Published As

Publication number Publication date
DE924329C (en) 1955-02-28

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