Invention Grant
- Patent Title: Television channel change picture-in-picture circuit and method
- Patent Title (中): 电视频道改变画中画电路和方法
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Application No.: US12426865Application Date: 2009-04-20
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Publication No.: US07825989B1Publication Date: 2010-11-02
- Inventor: Robert Y. Greenberg
- Applicant: Robert Y. Greenberg
- Applicant Address: US OR Portland
- Assignee: Pixelworks, Inc.
- Current Assignee: Pixelworks, Inc.
- Current Assignee Address: US OR Portland
- Agency: Marger Johnson & McCollom, P.C.
- Main IPC: H04N5/45
- IPC: H04N5/45 ; H04N5/445
Abstract:
We describe and claim television channel change picture-in-picture circuit and method. The circuit includes means for displaying a first channel on a primary portion of a screen, means for changing from the first channel to a second channel, and means for displaying the second channel on a secondary portion of the screen responsive to the means for changing from the first to the second channel while continuing to display the first channel on the primary portion of the screen.
Information query
