Computer graphics processing and selective visual display system – Display driving control circuitry
Reexamination Certificate
2006-07-10
2009-11-03
Kumar, Srilakshmi K (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
C345S061000, C377S064000
Reexamination Certificate
active
07612770
ABSTRACT:
Systems for displaying images are provided. A representative system comprises a signal driving circuit comprising a plurality of shift registers connected in series and controlled only by a first clock and a second clock, generating corresponding driving pulses in turn in response to a start pulse. Each shift register comprises a pulse generation unit with a first clock input terminal receiving one of the first and the second clocks and a first power terminal coupled to a first power voltage, and a leakage protection unit coupled to the pulse generation unit, electrically separating the first power voltage from the received clock at the first clock input terminal.
REFERENCES:
patent: 6339631 (2002-01-01), Yeo et al.
patent: 2005/0185752 (2005-08-01), Sasaki et al.
EP Search Report issued Feb. 4, 2009.
Kumar Srilakshmi K
Thomas Kayden Horstemeyer & Risley
TPO Displays Corp.
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