TW332303B - A device for measuring a glow center of a display device - Google Patents
A device for measuring a glow center of a display deviceInfo
- Publication number
- TW332303B TW332303B TW085106556A TW85106556A TW332303B TW 332303 B TW332303 B TW 332303B TW 085106556 A TW085106556 A TW 085106556A TW 85106556 A TW85106556 A TW 85106556A TW 332303 B TW332303 B TW 332303B
- Authority
- TW
- Taiwan
- Prior art keywords
- display device
- image
- glow
- sensing surface
- center
- Prior art date
Links
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
A measuring device for measuring a glow center of a display device is provided with: an image pickup device which includes a sensing surface defined by a plurality of photoelectric conversion elements arranged in a two-dimensional manner at a specified pitch and picks up a light image to produce image data, an optical system which transmits a light image displayed on a display device to the sensing surface of the image pickup device; an optical system controller which controls the optical system to transmit the light image to the sensing surface in such a manner that the maximum spatial frequency of the light image at the sensing surface of the image pickup device is smaller than the reciprocal of the pitch of the photoelectric conversion element arrangement; and a calculator which calculates a glow center of the light image on the display device based on image data produced by the image pickup device.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12242495A JP3440631B2 (en) | 1995-03-08 | 1995-05-22 | Luminance center of gravity measurement device for display |
Publications (1)
Publication Number | Publication Date |
---|---|
TW332303B true TW332303B (en) | 1998-05-21 |
Family
ID=58262761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW085106556A TW332303B (en) | 1995-05-22 | 1996-06-01 | A device for measuring a glow center of a display device |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW332303B (en) |
-
1996
- 1996-06-01 TW TW085106556A patent/TW332303B/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |