GB514335A - Improvements in or relating to electron multipliers - Google Patents

Improvements in or relating to electron multipliers

Info

Publication number
GB514335A
GB514335A GB13174/38A GB1317438A GB514335A GB 514335 A GB514335 A GB 514335A GB 13174/38 A GB13174/38 A GB 13174/38A GB 1317438 A GB1317438 A GB 1317438A GB 514335 A GB514335 A GB 514335A
Authority
GB
United Kingdom
Prior art keywords
aperture
envelope
partition
electrode
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
GB13174/38A
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.)
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
Priority to DEF4463D priority Critical patent/DE889657C/de
Priority to DEF4678D priority patent/DE901569C/de
Priority to NL87583A priority patent/NL59576C/xx
Priority to BE427837D priority patent/BE427837A/xx
Application filed by Fernseh GmbH filed Critical Fernseh GmbH
Priority to US205842A priority patent/US2216267A/en
Priority to FR837484D priority patent/FR837484A/fr
Priority to GB13174/38A priority patent/GB514335A/en
Priority to DEF4516D priority patent/DE907097C/de
Publication of GB514335A publication Critical patent/GB514335A/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)
GB13174/38A 1937-05-04 1938-05-03 Improvements in or relating to electron multipliers Expired GB514335A (en)

Priority Applications (8)

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
NL87583A NL59576C (enEXAMPLES) 1937-05-04 1938-04-28
BE427837D BE427837A (enEXAMPLES) 1937-05-04 1938-04-30
US205842A US2216267A (en) 1937-05-04 1938-05-03 Electron multiplier
FR837484D FR837484A (fr) 1937-05-04 1938-05-03 Amplificateur à électrons secondaires
GB13174/38A GB514335A (en) 1937-05-04 1938-05-03 Improvements in or relating to electron multipliers
DEF4516D DE907097C (de) 1937-05-04 1939-10-29 Photozelle mit eingebautem Sekundaerverstaerker

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
GB514335A true GB514335A (en) 1939-11-06

Family

ID=32073732

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13174/38A Expired GB514335A (en) 1937-05-04 1938-05-03 Improvements in or relating to electron multipliers

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1120028B (de) * 1959-05-07 1961-12-21 Bendix Corp Mit elektrischen und magnetischen Feldern arbeitender Sekundaerelektronenvervielfacher

Families Citing this family (4)

* 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
DE1087721B (de) * 1953-11-09 1960-08-25 Siemens Ag Albis Bildwandlerroehre
US4006376A (en) * 1975-02-28 1977-02-01 Rca Corporation Phototube having improved electron collection efficiency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1120028B (de) * 1959-05-07 1961-12-21 Bendix Corp Mit elektrischen und magnetischen Feldern arbeitender Sekundaerelektronenvervielfacher

Also Published As

Publication number Publication date
FR837484A (fr) 1939-02-10
DE889657C (de) 1953-09-14
BE427837A (enEXAMPLES) 1938-05-31
DE901569C (de) 1954-01-11
US2216267A (en) 1940-10-01
DE907097C (de) 1954-03-22
NL59576C (enEXAMPLES) 1947-07-15

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