GB1179544A - Gas-Discharge Display Tube - Google Patents
Gas-Discharge Display TubeInfo
- Publication number
- GB1179544A GB1179544A GB0305/69A GB130569A GB1179544A GB 1179544 A GB1179544 A GB 1179544A GB 0305/69 A GB0305/69 A GB 0305/69A GB 130569 A GB130569 A GB 130569A GB 1179544 A GB1179544 A GB 1179544A
- Authority
- GB
- United Kingdom
- Prior art keywords
- characters
- frames
- group
- display tube
- eyelets
- 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
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
- Gas-Filled Discharge Tubes (AREA)
- Discharge Lamp (AREA)
Abstract
1,179,544. Glow discharge lamps. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 9 Jan., 1969 [12 Jan., 1968], No. 1305/69. Heading H1D. A cold-cathode gas-discharge display tube for simultaneously displaying two independently switchable characters from two arbitrary groups includes a plurality of mutually insulated cathodes each comprising a frame 1 enclosing a character 3 from one group and. a space through which characters from the other group can be seen. The frames 1 are preferably rectangular as shown, but may be circular, with characters from one group mounted in the upper half of a frame and characters from the other group mounted in the lower half. Alternatively, characters from the two groups may be displayed side by side. The frames have eyelets 2 and are stacked together with intermediate insulating frames on support pins 15 and surrounded by an anode 16 having a wire gauze portion 17. In an alternative arrangement (Figs. 6 and 7, not shown) the eyelets 2 are omitted, the frames and insulators being stacked in a U-shaped anode and secured therein by a cover with a gauze-covered aperture.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6800473A NL6800473A (en) | 1968-01-12 | 1968-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1179544A true GB1179544A (en) | 1970-01-28 |
Family
ID=19802495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0305/69A Expired GB1179544A (en) | 1968-01-12 | 1969-01-09 | Gas-Discharge Display Tube |
Country Status (8)
Country | Link |
---|---|
US (1) | US3581138A (en) |
AT (1) | AT284975B (en) |
BE (1) | BE726770A (en) |
CH (1) | CH489113A (en) |
DE (1) | DE1816021A1 (en) |
FR (1) | FR1599425A (en) |
GB (1) | GB1179544A (en) |
NL (1) | NL6800473A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5167091A (en) * | 1974-12-09 | 1976-06-10 | Suwa Seikosha Kk |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA779997A (en) * | 1968-03-05 | P. Stenning George | Cold cathode gas discharge tubes | |
FR1352201A (en) * | 1962-12-21 | 1964-02-14 | Csf | Multicathode Display Tube Improvements |
-
1968
- 1968-01-12 NL NL6800473A patent/NL6800473A/xx unknown
- 1968-12-20 DE DE19681816021 patent/DE1816021A1/en active Pending
- 1968-12-24 FR FR1599425D patent/FR1599425A/fr not_active Expired
-
1969
- 1969-01-08 US US789773A patent/US3581138A/en not_active Expired - Lifetime
- 1969-01-09 CH CH22169A patent/CH489113A/en not_active IP Right Cessation
- 1969-01-09 AT AT17469A patent/AT284975B/en active
- 1969-01-09 GB GB0305/69A patent/GB1179544A/en not_active Expired
- 1969-01-10 BE BE726770D patent/BE726770A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3581138A (en) | 1971-05-25 |
CH489113A (en) | 1970-04-15 |
FR1599425A (en) | 1970-07-15 |
BE726770A (en) | 1969-07-10 |
AT284975B (en) | 1970-10-12 |
NL6800473A (en) | 1969-07-15 |
DE1816021A1 (en) | 1969-07-31 |
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