GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 157 117 910 patent documents

This week's update (12/07/2024 12:00 CET):

139 301 new documents added

1 340 825 documents amended

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EP 0146839 B1 19880601 - COLOUR PICTURE TUBE AND METHOD FOR PRODUCTION AND ADJUSTMENT THEREOF

Title (en)

COLOUR PICTURE TUBE AND METHOD FOR PRODUCTION AND ADJUSTMENT THEREOF

Publication

EP 0146839 B1 19880601 (DE)

Application

EP 84114760 A 19841204

Priority

DE 3346361 A 19831222

Abstract (en)

[origin: CA1220508A] E. Nill 10 A three electron gun color picture tube includes phosphorescent marks attached to the rear side of the shadow mask. These marks can be used for checking the exact position of the electron beams during adjustment.

IPC 1-7

H01J 9/42; H01J 29/51

IPC 8 full level

H01J 31/20 (2006.01); H01J 9/42 (2006.01); H01J 29/00 (2006.01); H01J 29/51 (2006.01)

CPC (source: EP US)

H01J 9/42 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0146839 A1 19850703; EP 0146839 B1 19880601; CA 1220508 A 19870414; DE 3346361 A1 19850704; DE 3471811 D1 19880707; JP S60157145 A 19850817; US 4659957 A 19870421

DOCDB simple family (application)

EP 84114760 A 19841204; CA 470282 A 19841217; DE 3346361 A 19831222; DE 3471811 T 19841204; JP 26872284 A 19841221; US 68241984 A 19841217