Computer graphics processing and selective visual display system – Computer graphics processing – Animation
Reexamination Certificate
1996-07-02
2002-11-26
Saras, Steven (Department: 2675)
Computer graphics processing and selective visual display system
Computer graphics processing
Animation
C345S418000, C345S215000, C345S215000, C345S950000
Reexamination Certificate
active
06486880
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention relates to a method of transmitting graphic images, comprising the step of transmitting data defining pixels of a displayable subpicture, and the step of transmitting data invoking said subpicture for display on a receiver. The invention also relates to a television receiver and a display device for receiving and displaying said graphic images.
A method of transmitting graphic images is generally known as teletext. Herein, images are transmitted in the form of pages, each page comprising a plurality of character codes defining the alphanumeric and graphical characters of said page. Pixel patterns defining the commonly used characters are stored in a read-only memory section of the receiver. The known arrangements render it possible for characters, or series of characters, to “flash”, i.e. to be concealed and revealed at a predetermined frequency. This allows a dynamic effect to be added to a page.
More sophisticated teletext systems (level
3
) provide a feature usually referred to as “Dynamically Redefinable Character Sets”. This feature allows a page editor to define the pixel pattern of characters at the transmitter end, and to download said patterns to the receiver for storage in a random access memory prior to the transmission of the page.
SUMMARY OF THE INVENTION
It is an object of the invention to further improve the appearance of an image on screen.
According to the invention, the method is characterized in that the step of transmitting pixel defining data includes the transmission of pixel defining data for at least two motion phases of said subpicture to be displayed cyclically. The transmission step may include the transmission of a time code representing a time interval between displaying the successive motion phases of said subpicture. The graphic image can thus be enhanced with dynamic icons (“dynacons”).
REFERENCES:
patent: 3848082 (1974-11-01), Summers
patent: 4951039 (1990-08-01), Scwendeman et al.
patent: 5089899 (1992-02-01), Nomura et al.
patent: 5101364 (1992-03-01), Davenport et al.
patent: 5300948 (1994-04-01), Tsujido et al.
patent: 5321517 (1994-06-01), Takei et al.
patent: 5404316 (1995-04-01), Klingler
patent: 5452235 (1995-09-01), Isani
patent: 5479602 (1995-12-01), Baecker et al.
patent: 5519826 (1996-05-01), Harper et al.
patent: 5543824 (1996-08-01), Priem et al.
patent: 5548693 (1996-08-01), Shinya
patent: 5572646 (1996-11-01), Kawai et al.
patent: 5574569 (1996-11-01), Utsumi et al.
patent: 5629723 (1997-05-01), West et al.
patent: 5652849 (1997-07-01), Conway et al.
patent: 5680639 (1997-10-01), Milne et al.
patent: 5712964 (1998-01-01), Kamada et al.
patent: 5969719 (1999-10-01), Tsujimoto
patent: 5999173 (1999-12-01), Ubillos
Clark-Schreyer Veronika
Erkinger Erwin
Gathman Laurie E.
Koninklijke Philips Electronics , N.V.
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