GB1393864A - Electronic gas-discharge display panel - Google Patents
Electronic gas-discharge display panelInfo
- Publication number
- GB1393864A GB1393864A GB5439073A GB5439073A GB1393864A GB 1393864 A GB1393864 A GB 1393864A GB 5439073 A GB5439073 A GB 5439073A GB 5439073 A GB5439073 A GB 5439073A GB 1393864 A GB1393864 A GB 1393864A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathodes
- anodes
- axis
- points
- distances
- 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
- H01J17/492—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with crossed electrodes
- H01J17/494—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with crossed electrodes using sequential transfer of the discharges, e.g. of the self-scan type
Landscapes
- Gas-Filled Discharge Tubes (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
1393864 Gas discharge display panels PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 23 Nov 1973 [28 Nov 1972] 54390/73 Heading H1D A gas discharge display panel comprises a plurality of elongated cathodes (vertical strips K) in a plane and a plurality of anodes (horizontal bars A) in another plane, an array of discharge points being defined by the intersections of the anodes and cathodes, the cathodes being interconnected in groups within the panel and each group having a lead KT extending through a panel wall. The connections between the leads KT and the appropriate cathodes can he made by cup-shaped springs (5), Fig. 3 (not shown), located in holes 3 in an insulating panel 2 between the cathodes and anodes, or alternatively by helical springs or metallic coatings in holes 3. Auxiliary anodes H may be present. axis and then back towards the axis so that it passes through an aperture on the axis in the final lens plane, a stereoscopic effect is obtained by switching the first deflection alternately to opposite sides of the axis. The basic stereo switching signal is a square wave preferably at line scanning frequency, and this is fed directly to the synchronizing system 118 of the display system, as shown in Fig. 7. This signal is also fed to the line deflection amplifiers 114 and 116 via a correction circuit 100 which introduces corrections for the required stereo angle (from potentiometer 18) the accelerating voltage (f##) the focal length of the final lens (as represented by the current I L ) and for effecting correct registration (from potentiometer 28). The height of an image point relative to a datum point in the image may be determined by measuring the distances between the two points on both displays, the difference between the two distances corresponding to the height difference. The distances may be measured by adjusting brightup pulses to coincide with the points on the displays and using these to gate clock pulses, or alternatively measuring the time between them in analogue fashion. Signals from the microscope may be encoded with information as to the stereo channel which they represent and then recorded, to be subsequently decoded and gated to the respective channels of a display.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7216085A NL7216085A (en) | 1972-11-28 | 1972-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1393864A true GB1393864A (en) | 1975-05-14 |
Family
ID=19817438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5439073A Expired GB1393864A (en) | 1972-11-28 | 1973-11-23 | Electronic gas-discharge display panel |
Country Status (7)
Country | Link |
---|---|
US (1) | US3868527A (en) |
JP (1) | JPS54754B2 (en) |
CA (1) | CA991240A (en) |
DE (1) | DE2356036C3 (en) |
FR (1) | FR2208180B1 (en) |
GB (1) | GB1393864A (en) |
NL (1) | NL7216085A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4253044A (en) | 1978-01-17 | 1981-02-24 | U.S. Philips Corporation | Gas discharge display panel, display apparatus comprising the panel and method of operating the display apparatus |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5535820B2 (en) * | 1974-11-22 | 1980-09-17 | ||
US4085385A (en) * | 1975-03-21 | 1978-04-18 | Owens-Illinois, Inc. | Gaseous laser device with damage-resistant cathode |
JPS55164752U (en) * | 1979-05-14 | 1980-11-26 | ||
DE3132070A1 (en) * | 1981-08-13 | 1983-03-03 | Siemens AG, 1000 Berlin und 8000 München | Control of the electron flux in plasma displays |
US4551737A (en) | 1982-06-21 | 1985-11-05 | Ricoh Company, Ltd. | Optical data pattern generation device comprising phosphor member |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1317221A (en) * | 1969-05-28 | 1973-05-16 | Burroughs Corp | Gas discharge display systems and panels |
US3711733A (en) * | 1971-11-12 | 1973-01-16 | Ncr | Interconnected electrode display means |
US3790849A (en) * | 1972-04-24 | 1974-02-05 | Control Data Corp | Capacitive memory gas discharge display device having internal conductors |
US3803439A (en) * | 1972-09-29 | 1974-04-09 | Oki Electric Ind Co Ltd | Cold cathode discharge display apparatus |
-
1972
- 1972-11-28 NL NL7216085A patent/NL7216085A/xx not_active Application Discontinuation
-
1973
- 1973-10-29 US US410829A patent/US3868527A/en not_active Expired - Lifetime
- 1973-11-09 DE DE2356036A patent/DE2356036C3/en not_active Expired
- 1973-11-13 CA CA185,668A patent/CA991240A/en not_active Expired
- 1973-11-23 GB GB5439073A patent/GB1393864A/en not_active Expired
- 1973-11-24 JP JP13211573A patent/JPS54754B2/ja not_active Expired
- 1973-11-28 FR FR7342309A patent/FR2208180B1/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4253044A (en) | 1978-01-17 | 1981-02-24 | U.S. Philips Corporation | Gas discharge display panel, display apparatus comprising the panel and method of operating the display apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS4984578A (en) | 1974-08-14 |
US3868527A (en) | 1975-02-25 |
DE2356036A1 (en) | 1974-06-06 |
AU6283673A (en) | 1975-05-29 |
FR2208180A1 (en) | 1974-06-21 |
FR2208180B1 (en) | 1978-11-10 |
DE2356036C3 (en) | 1981-08-13 |
JPS54754B2 (en) | 1979-01-16 |
DE2356036B2 (en) | 1980-10-23 |
CA991240A (en) | 1976-06-15 |
NL7216085A (en) | 1974-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |