FR1137710A - Appareillage de transmission - Google Patents

Appareillage de transmission

Info

Publication number
FR1137710A
FR1137710A FR1137710DA FR1137710A FR 1137710 A FR1137710 A FR 1137710A FR 1137710D A FR1137710D A FR 1137710DA FR 1137710 A FR1137710 A FR 1137710A
Authority
FR
France
Prior art keywords
transmission equipment
transmission
equipment
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
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1137710A publication Critical patent/FR1137710A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/68—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for wholly or partially suppressing the carrier or one side band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
FR1137710D 1954-10-25 1955-10-24 Appareillage de transmission Expired FR1137710A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL824259X 1954-10-25

Publications (1)

Publication Number Publication Date
FR1137710A true FR1137710A (fr) 1957-06-03

Family

ID=19840972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1137710D Expired FR1137710A (fr) 1954-10-25 1955-10-24 Appareillage de transmission

Country Status (4)

Country Link
US (1) US3003037A (fr)
FR (1) FR1137710A (fr)
GB (1) GB824259A (fr)
NL (2) NL102024C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3102929A (en) * 1958-05-03 1963-09-03 Philips Corp Speech-signal transmission system
NL261120A (fr) * 1961-02-10
NL7503176A (nl) * 1975-03-18 1976-09-21 Philips Nv Overdrachtsstelsel voor gesprekssignalen.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812405A (en) * 1929-05-25 1931-06-30 Bell Telephone Labor Inc Electrooptical transmission system
US2176526A (en) * 1937-08-31 1939-10-17 Friend Albert Wiley Method of and means for signal transmission
US2269295A (en) * 1940-08-21 1942-01-06 Bell Telephone Labor Inc Compressed band telephony
US2653221A (en) * 1949-12-01 1953-09-22 Zenith Radio Corp Suppressed carrier radio communication system
US2817711A (en) * 1954-05-10 1957-12-24 Bell Telephone Labor Inc Band compression system

Also Published As

Publication number Publication date
US3003037A (en) 1961-10-03
NL191813A (fr)
NL102024C (fr)
GB824259A (en) 1959-11-25

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