BE427837A - - Google Patents

Info

Publication number
BE427837A
BE427837A BE427837DA BE427837A BE 427837 A BE427837 A BE 427837A BE 427837D A BE427837D A BE 427837DA BE 427837 A BE427837 A BE 427837A
Authority
BE
Belgium
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE427837A publication Critical patent/BE427837A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/08—Cathode arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/28—Vessels, e.g. wall of the tube; Windows; Screens; Suppressing undesired discharges or currents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electron Tubes For Measurement (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
BE427837D 1937-05-04 1938-04-30 BE427837A (enrdf_load_html_response)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEF4463D DE889657C (de) 1937-05-04 1937-05-04 Sekundaerelektronenverstaerker
DEF4678D DE901569C (de) 1937-05-04 1938-02-19 Photozelle mit Sekundaerelektronenverstaerker
GB13174/38A GB514335A (en) 1937-05-04 1938-05-03 Improvements in or relating to electron multipliers

Publications (1)

Publication Number Publication Date
BE427837A true BE427837A (enrdf_load_html_response) 1938-05-31

Family

ID=32073732

Family Applications (1)

Application Number Title Priority Date Filing Date
BE427837D BE427837A (enrdf_load_html_response) 1937-05-04 1938-04-30

Country Status (6)

Country Link
US (1) US2216267A (enrdf_load_html_response)
BE (1) BE427837A (enrdf_load_html_response)
DE (3) DE889657C (enrdf_load_html_response)
FR (1) FR837484A (enrdf_load_html_response)
GB (1) GB514335A (enrdf_load_html_response)
NL (1) NL59576C (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750071C (de) * 1939-06-21 1944-12-12 Verfahren zur Herstellung von Elektronenvervielfachern mit Elektroden verschiedenen Sekundaeremissionsgrades
GB745811A (en) * 1951-03-27 1956-03-07 Emi Ltd Improvements relating to electron multipliers
DE1031902B (de) * 1953-11-09 1958-06-12 Siemens Ag Albis Bildwandlerroehre
US2983845A (en) * 1959-05-07 1961-05-09 Bendix Corp Electron multiplier spurious noise baffle
US4006376A (en) * 1975-02-28 1977-02-01 Rca Corporation Phototube having improved electron collection efficiency

Also Published As

Publication number Publication date
GB514335A (en) 1939-11-06
FR837484A (fr) 1939-02-10
DE907097C (de) 1954-03-22
US2216267A (en) 1940-10-01
DE901569C (de) 1954-01-11
NL59576C (enrdf_load_html_response) 1947-07-15
DE889657C (de) 1953-09-14

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