AT379263B - CIRCUIT ARRANGEMENT FOR GENERATING AND TRANSMITTING SINE VIBRATIONS OF DIFFERENT FREQUENCIES - Google Patents

CIRCUIT ARRANGEMENT FOR GENERATING AND TRANSMITTING SINE VIBRATIONS OF DIFFERENT FREQUENCIES

Info

Publication number
AT379263B
AT379263B AT633879A AT633879A AT379263B AT 379263 B AT379263 B AT 379263B AT 633879 A AT633879 A AT 633879A AT 633879 A AT633879 A AT 633879A AT 379263 B AT379263 B AT 379263B
Authority
AT
Austria
Prior art keywords
generating
circuit arrangement
different frequencies
sine vibrations
transmitting sine
Prior art date
Application number
AT633879A
Other languages
German (de)
Other versions
ATA633879A (en
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of ATA633879A publication Critical patent/ATA633879A/en
Application granted granted Critical
Publication of AT379263B publication Critical patent/AT379263B/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
    • H04L27/122—Modulator circuits; Transmitter circuits using digital generation of carrier signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
AT633879A 1978-09-29 1979-09-27 CIRCUIT ARRANGEMENT FOR GENERATING AND TRANSMITTING SINE VIBRATIONS OF DIFFERENT FREQUENCIES AT379263B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782842650 DE2842650A1 (en) 1978-09-29 1978-09-29 Multiple-frequency sine wave generator - derives corresp. carrier frequencies from parent oscillator output using digital frequency dividers

Publications (2)

Publication Number Publication Date
ATA633879A ATA633879A (en) 1985-04-15
AT379263B true AT379263B (en) 1985-12-10

Family

ID=6050971

Family Applications (1)

Application Number Title Priority Date Filing Date
AT633879A AT379263B (en) 1978-09-29 1979-09-27 CIRCUIT ARRANGEMENT FOR GENERATING AND TRANSMITTING SINE VIBRATIONS OF DIFFERENT FREQUENCIES

Country Status (2)

Country Link
AT (1) AT379263B (en)
DE (1) DE2842650A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091334A1 (en) * 2000-05-23 2001-11-29 Littlefeet, Inc. Apparatus for reducing fast fading radio propagation effects for stationary and slow moving mobiles in radio communication systems
AU2000252824A1 (en) * 2000-05-23 2001-12-03 Littlefeet, Inc. Methods of reducing fast fading radio propagation effects for stationary and slow moving mobiles in radio communication systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1512764C3 (en) * 1966-07-15 1973-10-04 Siemens Ag, 1000 Berlin U. 8000 Muenchen Method for the transmission of sinusoidal oscillations of the same amplitude and frequency in the channels of a carrier frequency system

Also Published As

Publication number Publication date
ATA633879A (en) 1985-04-15
DE2842650A1 (en) 1980-04-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties