GB1331176A - Frequency modulated signal generation - Google Patents

Frequency modulated signal generation

Info

Publication number
GB1331176A
GB1331176A GB5816071A GB5816071A GB1331176A GB 1331176 A GB1331176 A GB 1331176A GB 5816071 A GB5816071 A GB 5816071A GB 5816071 A GB5816071 A GB 5816071A GB 1331176 A GB1331176 A GB 1331176A
Authority
GB
United Kingdom
Prior art keywords
signal
side band
frequency
frequency range
binary
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
GB5816071A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1331176A publication Critical patent/GB1331176A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB5816071A 1971-01-05 1971-12-15 Frequency modulated signal generation Expired GB1331176A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10403971A 1971-01-05 1971-01-05

Publications (1)

Publication Number Publication Date
GB1331176A true GB1331176A (en) 1973-09-26

Family

ID=22298356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5816071A Expired GB1331176A (en) 1971-01-05 1971-12-15 Frequency modulated signal generation

Country Status (4)

Country Link
US (1) US3699447A (enExample)
DE (1) DE2161077C3 (enExample)
FR (1) FR2121214A5 (enExample)
GB (1) GB1331176A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH566086A5 (enExample) * 1973-05-18 1975-08-29 Zellweger Uster Ag
US4052558A (en) * 1974-12-09 1977-10-04 Colin Davey Patterson Data transmission system
US5134630A (en) * 1989-04-12 1992-07-28 National Research Development Corporation Method and apparatus for transparent tone-in-band transmitter, receiver and system processing
AU3486900A (en) 1999-02-22 2000-09-14 Terk Technologies Corp. Video transmission system and method utilizing phone lines in multiple unit dwellings

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2808504A (en) * 1955-03-22 1957-10-01 Rca Corp Single sideband transmitting and receiving unit
US3204029A (en) * 1962-02-21 1965-08-31 Acf Ind Inc High speed synchronous digital data transmission
US3147437A (en) * 1962-03-13 1964-09-01 Robertshaw Controls Co Single side band radio carrier retrieval system
GB1061907A (en) * 1962-11-30 1967-03-15 Emi Ltd Improvements relating to vestigial sideband transmitters
NL301914A (enExample) * 1962-12-18
US3300720A (en) * 1963-11-20 1967-01-24 Mark Products Company Single sideband transceiver having common transmit and receive apparatus
US3466392A (en) * 1966-03-03 1969-09-09 Ibm Vestigial sideband frequency shift keying modem

Also Published As

Publication number Publication date
FR2121214A5 (enExample) 1972-08-18
US3699447A (en) 1972-10-17
DE2161077A1 (de) 1972-07-27
DE2161077B2 (de) 1980-01-03
DE2161077C3 (de) 1980-08-28

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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