GB1260077A - Colour television picture tube - Google Patents
Colour television picture tubeInfo
- Publication number
- GB1260077A GB1260077A GB4224670A GB4224670A GB1260077A GB 1260077 A GB1260077 A GB 1260077A GB 4224670 A GB4224670 A GB 4224670A GB 4224670 A GB4224670 A GB 4224670A GB 1260077 A GB1260077 A GB 1260077A
- Authority
- GB
- United Kingdom
- 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
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
1,260,077. Colour television tubes. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 3 Sept., 1970 [6 Sept., 1969], No. 42246/70. Heading H1D. 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 |
|---|---|
| GB1260077A true GB1260077A (en) | 1972-01-12 |
Family
ID=19807848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4224670A Expired GB1260077A (en) | 1969-09-06 | 1970-09-03 | 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 AT AT799670A patent/AT297107B/en not_active IP Right Cessation
- 1970-09-03 CH CH1322770A patent/CH514229A/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 |
|---|---|
| BE755784A (en) | 1971-03-04 |
| AT297107B (en) | 1972-03-10 |
| DE2042079A1 (en) | 1971-03-11 |
| ES383405A1 (en) | 1973-02-16 |
| CH514229A (en) | 1971-10-15 |
| FR2060954A5 (en) | 1971-06-18 |
| NL6913617A (en) | 1971-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |