Source driver and data switching circuit thereof
US7522147B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2005 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Jun 16, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/0297
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data switching circuit is provided. The circuit includes a control unit and a switching unit. The control unit provides a switching signal. The switching unit has N input ends and (N+1) output ends. The switching unit receives the switching signal. If N is an integer number and 1≦i≦N, the switching unit turns on both the connection between the i-th input end and the i-th output end and the connection between a dummy data and the (N+1) output end as the switching signal takes a first status. The switching unit turns on both the connection between another set of dummy data and the first output end and the connection between the i-th input end and the (i+1)-th output end as the switching signal takes a second status.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.