GB486888A - Improvements in or relating to electron discharge devices - Google Patents

Improvements in or relating to electron discharge devices

Info

Publication number: GB486888A
Authority: GB; United Kingdom
Prior art keywords: electrodes; envelope; cylinder; mica; field
Prior art date: 1936-12-11
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

GB3413636A

Other languages

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.)

Marconis Wireless Telegraph Co Ltd

BAE Systems Electronics Ltd

Original Assignee

Marconis Wireless Telegraph Co Ltd

Marconi Co Ltd

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.)

1936-12-11

Filing date

1936-12-11

Publication date

1938-06-13

Priority to BE425129D priority Critical patent/BE425129A/xx

1936-12-11 Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd

1936-12-11 Priority to GB3413636A priority patent/GB486888A/en

1937-12-07 Priority to FR830472D priority patent/FR830472A/fr

1938-06-13 Publication of GB486888A publication Critical patent/GB486888A/en

Status Expired legal-status Critical Current

Classifications

- 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
- H01J43/18—Electrode arrangements using essentially more than one dynode
- H01J43/20—Dynodes consisting of sheet material, e.g. plane, bent

Landscapes

Discharge Lamps And Accessories Thereof (AREA)

GB3413636A 1936-12-11 1936-12-11 Improvements in or relating to electron discharge devices Expired GB486888A (en)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
BE425129D BE425129A (fr)	1936-12-11
GB3413636A GB486888A (en)	1936-12-11	1936-12-11	Improvements in or relating to electron discharge devices
FR830472D FR830472A (fr)	1936-12-11	1937-12-07	Perfectionnements aux dispositifs à décharge électronique

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3413636A GB486888A (en)	1936-12-11	1936-12-11	Improvements in or relating to electron discharge devices

Publications (1)

Publication Number	Publication Date
GB486888A true GB486888A (en)	1938-06-13

Family

ID=10361828

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB3413636A Expired GB486888A (en)	1936-12-11	1936-12-11	Improvements in or relating to electron discharge devices

Country Status (3)

Country	Link
BE (1)	BE425129A (fr)
FR (1)	FR830472A (fr)
GB (1)	GB486888A (fr)

0
- BE BE425129D patent/BE425129A/xx unknown
1936
- 1936-12-11 GB GB3413636A patent/GB486888A/en not_active Expired
1937
- 1937-12-07 FR FR830472D patent/FR830472A/fr not_active Expired

Also Published As

Publication number	Publication date
BE425129A (fr)
FR830472A (fr)	1938-08-01

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