Apparatus and method to connect an external camera to an LCD without requiring a display buffer
US7292233B2 · kind B2 · utility
0Cited by
14References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2004 |
| Grant date | Nov 6, 2007 |
| Priority date | — |
| Expiry date | Jan 13, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0084
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data pipeline and clock control (relationship) that allows image data from a camera to pass directly through a display controller to an LCD without being written into, temporarily stored, and read out of a display buffer, e.g. a VRAM, is provided. Elimination of the video memory (VRAM) lowers the chip cost, reduces the power requirements, reduces delay due to writing and reading from the video memory, and reduces the pin count since fewer power pins are required.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.