GB1321450A - System for demodulating an amplitude-modulated telegraphic wave or waves - Google Patents

System for demodulating an amplitude-modulated telegraphic wave or waves

Info

Publication number
GB1321450A
GB1321450A GB4355970A GB4355970A GB1321450A GB 1321450 A GB1321450 A GB 1321450A GB 4355970 A GB4355970 A GB 4355970A GB 4355970 A GB4355970 A GB 4355970A GB 1321450 A GB1321450 A GB 1321450A
Authority
GB
United Kingdom
Prior art keywords
signal
amplitude
circuit
memory
code
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
GB4355970A
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of GB1321450A publication Critical patent/GB1321450A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB4355970A 1969-09-12 1970-09-11 System for demodulating an amplitude-modulated telegraphic wave or waves Expired GB1321450A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44072463A JPS4840649B1 (enExample) 1969-09-12 1969-09-12

Publications (1)

Publication Number Publication Date
GB1321450A true GB1321450A (en) 1973-06-27

Family

ID=13490008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4355970A Expired GB1321450A (en) 1969-09-12 1970-09-11 System for demodulating an amplitude-modulated telegraphic wave or waves

Country Status (3)

Country Link
US (1) US3670251A (enExample)
JP (1) JPS4840649B1 (enExample)
GB (1) GB1321450A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2221861A1 (en) * 1972-12-29 1974-10-11 Teletransmissions Cie Eu Detection of frequency, phase and amplitude modulated signals - uses an analog-digital converter and binary memory
DE2331601C2 (de) * 1973-06-20 1975-08-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur phasenregelung eines Taktsignals
FR2479629B1 (fr) * 1980-04-01 1985-11-08 Thomson Csf Procede de demodulation d'un signal module en amplitude, demodulateur mettant en oeuvre ce procede et systeme de television comportant un tel dispositif
FR2488755A2 (fr) * 1980-08-13 1982-02-19 Thomson Csf Procede de demodulation d'un signal module en frequence et demodulateurs mettant en oeuvre ce procede
US4885546A (en) * 1988-02-10 1989-12-05 Sony Corp. Digital demodulator for AM or FM
DE19545022A1 (de) * 1995-12-02 1997-06-05 Daimler Benz Aerospace Ag Digitales Verfahren zur Detektion zeitlich kurzer Pulse und Anordnung zur Durchführung des Verfahrens
RU2402874C2 (ru) * 2006-06-29 2010-10-27 Евгений Евгеньевич Прозоровский Устройство для некогерентного приема сигналов амплитудной телеграфии

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3062442A (en) * 1961-04-17 1962-11-06 Space General Corp Pulse detector apparatus
US3483474A (en) * 1966-09-19 1969-12-09 Us Navy Digitalized receiver system
US3473132A (en) * 1967-07-27 1969-10-14 Ibm Digital demodulator

Also Published As

Publication number Publication date
US3670251A (en) 1972-06-13
JPS4840649B1 (enExample) 1973-12-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee