GB1225057A - Multiple cathode glow indicator tubes - Google Patents
Multiple cathode glow indicator tubesInfo
- Publication number
- GB1225057A GB1225057A GB40378/68A GB4037868A GB1225057A GB 1225057 A GB1225057 A GB 1225057A GB 40378/68 A GB40378/68 A GB 40378/68A GB 4037868 A GB4037868 A GB 4037868A GB 1225057 A GB1225057 A GB 1225057A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- cathode
- viewing window
- plate
- disc
- 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
Links
- 239000007789 gas Substances 0.000 abstract 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- 239000011521 glass Substances 0.000 abstract 2
- 239000010445 mica Substances 0.000 abstract 2
- 229910052618 mica group Inorganic materials 0.000 abstract 2
- 229910052786 argon Inorganic materials 0.000 abstract 1
- 239000002775 capsule Substances 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052754 neon Inorganic materials 0.000 abstract 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/38—Cold-cathode tubes
- H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
- H01J17/49—Display panels, e.g. with crossed electrodes, e.g. making use of direct current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0069—Tubes for displaying characters
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Gas-Filled Discharge Tubes (AREA)
- Discharge Lamp (AREA)
Abstract
1,225,057. Glow discharge lamps. BURROUGHS CORP. 23 Aug., 1968 [8 Sept., 1967], No. 40378/67. Headings H1D. In a multiple cathode glow indicator tube comprising a gas-filled envelope having a viewing window and a base 24 and containing a stack of cathode electrodes 30 surrounded by an anode electrode including a solid plate portion 52 which is positioned behind said stack of cathode electrodes 30 remote from said viewing window, rapid ionization is promoted by a discharge between auxiliary anode and cathode disc electrodes 108 and 112 positioned remote from said viewing window. Plate 52 and mesh screen 54 forming the anode are secured between mica plates by tabs 58. The cathodes 30 are spaced by insulating washers 84 along support posts 60, made of ceramic or metal with a glass coating or sleeve, which are secured by welding or by eyelets 68 to the plate 52 and mesh 54. Leads pass from the cathodes 30 through a slot in the lower mica plate 44 to base pins 28. The auxiliary anode disc 108 is supported by a lead 104 adjacent a larger cathode disc 112. The polarity of the discs may be reversed. Anode connections are surrounded by glass sleeves 45. The gas filling may be argon or neon plus a small quantity of mercury which may be introduced with the other gases or may be liberated by heating a capsule 130.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66874067A | 1967-09-08 | 1967-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1225057A true GB1225057A (en) | 1971-03-17 |
Family
ID=24683532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB40378/68A Expired GB1225057A (en) | 1967-09-08 | 1968-08-23 | Multiple cathode glow indicator tubes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3480820A (en) |
| DE (1) | DE6750465U (en) |
| FR (1) | FR1579808A (en) |
| GB (1) | GB1225057A (en) |
| NL (1) | NL6812669A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3657600A (en) * | 1970-05-18 | 1972-04-18 | United Aircraft Corp | Auxiliary ionization of dc electric discharge electrode boundary sheaths |
| JPS4843865A (en) * | 1971-10-06 | 1973-06-25 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1955391A (en) * | 1931-01-27 | 1934-04-17 | Telefunken Gmbh | Electrode construction for glow discharge tubes |
| US2756366A (en) * | 1954-04-01 | 1956-07-24 | Nat Union Electric Corp | Luminous discharge tube and system |
| US2917651A (en) * | 1956-07-28 | 1959-12-15 | Philips Corp | Glow-indicator tube |
| US2996635A (en) * | 1958-12-11 | 1961-08-15 | Int Standard Electric Corp | Cold cathode character display tubes |
| US3005922A (en) * | 1959-11-13 | 1961-10-24 | Nat Union Electric Corp | Luminous discharge indicia tube |
| US3262010A (en) * | 1960-08-31 | 1966-07-19 | Hughes Aircraft Co | Electrical display apparatus incorpolrating electroluminescent and gas discharge devices |
| NL279906A (en) * | 1961-06-26 | |||
| US3242370A (en) * | 1962-10-03 | 1966-03-22 | Friden Inc | Cathode glow indicator tube |
| US3358176A (en) * | 1965-07-19 | 1967-12-12 | Burroughs Corp | Multiple cathode indicator tube having no obstruction in the form of support disks |
-
1967
- 1967-09-08 US US668740A patent/US3480820A/en not_active Expired - Lifetime
-
1968
- 1968-08-23 GB GB40378/68A patent/GB1225057A/en not_active Expired
- 1968-09-05 NL NL6812669A patent/NL6812669A/xx unknown
- 1968-09-06 DE DE6750465U patent/DE6750465U/en not_active Expired
- 1968-09-09 FR FR1579808D patent/FR1579808A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6812669A (en) | 1969-03-11 |
| FR1579808A (en) | 1969-08-29 |
| DE6750465U (en) | 1969-01-09 |
| US3480820A (en) | 1969-11-25 |
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