FR961776A - - Google Patents

Info

Publication number
FR961776A
FR961776A FR961776DA FR961776A FR 961776 A FR961776 A FR 961776A FR 961776D A FR961776D A FR 961776DA FR 961776 A FR961776 A FR 961776A
Authority
FR
France
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
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.)
Publication date
Application granted granted Critical
Publication of FR961776A publication Critical patent/FR961776A/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
    • H04B1/66—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 reducing bandwidth of signals; for improving efficiency of transmission
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Current Or Voltage (AREA)
FR961776D 1945-04-30 Expired FR961776A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR627057X 1945-04-30

Publications (1)

Publication Number Publication Date
FR961776A true FR961776A (fr) 1950-05-20

Family

ID=8988789

Family Applications (1)

Application Number Title Priority Date Filing Date
FR961776D Expired FR961776A (fr) 1945-04-30

Country Status (2)

Country Link
FR (1) FR961776A (fr)
GB (1) GB627057A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781446A (en) * 1952-03-28 1957-02-12 Sperry Rand Corp Pulse cycling circuit
US3132257A (en) * 1963-03-05 1964-05-05 Sylvania Electric Prod Voltage controlled piezoelectric switching device

Also Published As

Publication number Publication date
GB627057A (en) 1949-07-27

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