FR837484A - Secondary electron amplifier - Google Patents

Secondary electron amplifier

Info

Publication number
FR837484A
FR837484A FR837484DA FR837484A FR 837484 A FR837484 A FR 837484A FR 837484D A FR837484D A FR 837484DA FR 837484 A FR837484 A FR 837484A
Authority
FR
France
Prior art keywords
secondary electron
electron amplifier
amplifier
electron
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
French (fr)
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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 Fernseh GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR837484A publication Critical patent/FR837484A/en
Expired legal-status Critical Current

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)
FR837484D 1937-05-04 1938-05-03 Secondary electron amplifier Expired FR837484A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEF4463D DE889657C (en) 1937-05-04 1937-05-04 Secondary electron amplifier
DEF4678D DE901569C (en) 1937-05-04 1938-02-19 Photocell with secondary electron amplifier
GB13174/38A GB514335A (en) 1937-05-04 1938-05-03 Improvements in or relating to electron multipliers

Publications (1)

Publication Number Publication Date
FR837484A true FR837484A (en) 1939-02-10

Family

ID=32073732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837484D Expired FR837484A (en) 1937-05-04 1938-05-03 Secondary electron amplifier

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750071C (en) * 1939-06-21 1944-12-12 Process for the production of electron multipliers with electrodes of different secondary emissivity
DE1014242B (en) * 1951-03-27 1957-08-22 Emi Ltd Secondary emission multiplier with a photocathode that produces glowing light in the anode compartment

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031902B (en) * 1953-11-09 1958-06-12 Siemens Ag Albis Image converter tube
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750071C (en) * 1939-06-21 1944-12-12 Process for the production of electron multipliers with electrodes of different secondary emissivity
DE1014242B (en) * 1951-03-27 1957-08-22 Emi Ltd Secondary emission multiplier with a photocathode that produces glowing light in the anode compartment

Also Published As

Publication number Publication date
DE907097C (en) 1954-03-22
US2216267A (en) 1940-10-01
DE889657C (en) 1953-09-14
GB514335A (en) 1939-11-06
NL59576C (en) 1947-07-15
BE427837A (en) 1938-05-31
DE901569C (en) 1954-01-11

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