EP0489387B1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Improved receiver of teletext transmissions
Assignee: Edico SRL
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Filing: 1991-12-02
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Granted: 1997-04-02
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Expires: 2011-12-02
Abstract
No abstract record available.
Inventors
- 👤 Roberto Dini
- 👤 Attilio Farina
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 08:42
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/445; H04N5/45; H04N21/00; H04N21/40; H04N21/47; H04N21/488; H04N21/4888; H04N7/00; H04N7/08; H04N7/087; H04N7/088; H04N7/0882
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
113 words
A teletext transmission receiver comprising means to receive a television signal, decoder means to also obtain the associated teletext signal and display means to simultaneously show a plurality of chosen teletext pages, characterised in that the receiver includes: - a plurality of television signal tuner means (1, 4); - a plurality of teletext decoder means (14, 16) respectively coupled to said television signal tuner means; - a processor means (10); - a combining and memorising means (7) coupled to said display means (C); - a plurality of switching means (8, 17) controlled by said processor means (10), for selectively connecting said plurality of teletext decoder means (14, 16) to said combining means (7).
Claim 2
Dependent Claim
41 words
A Teletext transmissions receiver, according to claim 1, characterized in that said combining and memorising means includes a device of the type P.I.P. (7) to show the second page with reduced dimensions, in the place of a part of the first.
Claim 3
Dependent Claim
26 words
A Teletext transmissions receiver, according to claim 1, characterized in that said combining and memorising means includes a second page memory (16) and a commutator (17).
Claim 4
Dependent Claim
181 words
A Teletext transmissions receiver, according to claim 2, characterized in that said receiver includes commutation means of the video signal (8,17) in order to visualize and select one of the following combinations: - the television image of a main channel (1,2,3); - a Teletext page of a main channel (1,2,3) - the television image of a main channel together with the reduced television image of a secondary channel (4,5,6); - a Teletext page of a main channel (1,2,3), together with the reduced image of a Teletext page of the secondary channel (4,5,6); - the television image of a main channel (1, 2, 3) together with a reduced image of a Teletext page of the secondary channel (4,5,6); - a Teletext page of a main channel (1,2,3), together with the reduced television image of a secondary channel (4,5,6). - the television image of a main channel (1,2,3) together with the reduced image of a Teletext page of the same signal; - a teletext page of a main channel (1,2,3), together with a reduced image of another teletext page of the same signal.
Claim 5
Dependent Claim
23 words
A Teletext transmissions receiver, according to claim 4, characterized in that said receiver includes a telecontrol device (TC,RC) associated to said processor (10).
Claim 6
Dependent Claim
30 words
A Teletext transmissions receiver, according to one of the previous claims, characterized in that said receiver includes a visualisation device (15) to show the number of said second teletext page.
References Cited (Backward Citations)
No citation records indexed.
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