FR988494A - Système de transmission radiophonique - Google Patents

Système de transmission radiophonique

Info

Publication number
FR988494A
FR988494A FR988494DA FR988494A FR 988494 A FR988494 A FR 988494A FR 988494D A FR988494D A FR 988494DA FR 988494 A FR988494 A FR 988494A
Authority
FR
France
Prior art keywords
transmission system
radio transmission
radio
transmission
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 FR988494A publication Critical patent/FR988494A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/038—Seam welding; Backing means; Inserts using moulding means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
FR988494D 1947-09-03 1948-09-01 Système de transmission radiophonique Expired FR988494A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2693577X 1947-09-03

Publications (1)

Publication Number Publication Date
FR988494A true FR988494A (fr) 1951-08-28

Family

ID=19875350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988494D Expired FR988494A (fr) 1947-09-03 1948-09-01 Système de transmission radiophonique

Country Status (4)

Country Link
US (1) US2693577A (fr)
BE (1) BE484646A (fr)
FR (1) FR988494A (fr)
NL (1) NL134559C (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1745415A (en) * 1926-10-29 1930-02-04 American Telephone & Telegraph Carrier amplitude control system
DE609540C (de) * 1930-01-02 1935-02-20 Int Standard Electric Corp Anlage fuer Hochfrequenznachrichtenuebermittlung mit gespreizten Seitenbaendern
US1984451A (en) * 1931-09-15 1934-12-18 American Telephone & Telegraph Short wave radio signaling
US2070666A (en) * 1934-12-29 1937-02-16 Bell Telephone Labor Inc Modulating system
GB454954A (en) * 1935-04-10 1936-10-12 Marconi Wireless Telegraph Co Improvements in or relating to modulated carrier wave receivers

Also Published As

Publication number Publication date
US2693577A (en) 1954-11-02
NL134559C (fr)
BE484646A (fr)

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