ES383405A1 - Colour television picture tube - Google Patents
Colour television picture tubeInfo
- Publication number
- ES383405A1 ES383405A1 ES383405A ES383405A ES383405A1 ES 383405 A1 ES383405 A1 ES 383405A1 ES 383405 A ES383405 A ES 383405A ES 383405 A ES383405 A ES 383405A ES 383405 A1 ES383405 A1 ES 383405A1
- Authority
- ES
- Spain
- Prior art keywords
- studs
- resilient members
- apertures
- colour television
- faceplate
- 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
- 238000001816 cooling Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/06—Screens for shielding; Masks interposed in the electron stream
- H01J29/07—Shadow masks for colour television tubes
- H01J29/073—Mounting arrangements associated with shadow masks
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
In a colour television tube wherein a shadow mask is supported in a faceplate by means of resilient members attached to the mask and provided with apertures which engage studs on the faceplate, the greater thermal expansion and hardness of the members may cause them to deform the studs when they shrink on cooling from the high temperatures employed in processing the tube the rigidity caused by this effect is avoided by making the apertures in the resilient members circular and the studs triangular with rounded apices. The resilient members may be bimetal strips, the strips being joined along their narrow edges and the aperture being provided in the strip having the larger thermal expansion coefficient. The studs are conical and the angle of the cone should preferably be increased from the usual 15 to 20 degrees. As a modification the studs may be secured to the resilient members and the apertures pro - vided in the envelope or in a member secured to the envelope.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6913617A NL6913617A (en) | 1969-09-06 | 1969-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES383405A1 true ES383405A1 (en) | 1973-02-16 |
Family
ID=19807848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES383405A Expired ES383405A1 (en) | 1969-09-06 | 1970-09-04 | Colour television picture tube |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT297107B (en) |
| BE (1) | BE755784A (en) |
| CH (1) | CH514229A (en) |
| DE (1) | DE2042079A1 (en) |
| ES (1) | ES383405A1 (en) |
| FR (1) | FR2060954A5 (en) |
| GB (1) | GB1260077A (en) |
| NL (1) | NL6913617A (en) |
-
0
- BE BE755784D patent/BE755784A/en unknown
-
1969
- 1969-09-06 NL NL6913617A patent/NL6913617A/xx unknown
-
1970
- 1970-08-25 DE DE19702042079 patent/DE2042079A1/en active Pending
- 1970-09-03 CH CH1322770A patent/CH514229A/en not_active IP Right Cessation
- 1970-09-03 AT AT799670A patent/AT297107B/en not_active IP Right Cessation
- 1970-09-03 GB GB4224670A patent/GB1260077A/en not_active Expired
- 1970-09-04 ES ES383405A patent/ES383405A1/en not_active Expired
- 1970-09-04 FR FR7032212A patent/FR2060954A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH514229A (en) | 1971-10-15 |
| NL6913617A (en) | 1971-03-09 |
| BE755784A (en) | 1971-03-04 |
| FR2060954A5 (en) | 1971-06-18 |
| GB1260077A (en) | 1972-01-12 |
| AT297107B (en) | 1972-03-10 |
| DE2042079A1 (en) | 1971-03-11 |
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