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US 6,307,575 B1Granted
Display unit having a screen adjustment function
AssigneeNEC Corporation
InventorKazuaki Matsushita
Life of this patent
Estimating the term…
Abstract
A display unit has an on-screen-display (OSD) control block for controlling display of OSD patterns on a screen together with a main image. The screen adjustment of the display unit is effected by a dedicated switch for effecting enlargement/reduction or movement of the effective screen area on the screen. The OSD control block enlarges/reduces or moves the OSD pattern by responding to the enlargement/reduction or movement of the effective screen area, thereby providing a visual scale for the enlargement etc. of the screen during the screen adjustment.
Claims6
A display unit comprising:
- a screen having an effective screen area for displaying an image on the effective screen area,
- a screen adjustment block for adjusting the effective screen area of said screen, and
- an on-screen-display (OSD) control block for displaying an OSD pattern corresponding to the effective screen area on said screen, said OSD control block controlling said OSD pattern by responding to an adjustment of the effective screen area by said screen adjustment block.
Dependencies are inferred from the claim text.