Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COUNTER CIRCUIT, DISPLAY UNIT AND CONTROL SIGNAL GENERATION CIRCUIT EQUIPPED WITH THE COUNTER CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2007/135793
Kind Code:
A1
Abstract:
In a counter circuit (1) of a control signal generation circuit (2), a selection circuit (3) selects a predetermined signal from an HSYNC signal and a VSYNC signal as a pulse signal and inputs the same to a counter (4) in accordance with control of a selection circuit control signal (CTR). The counter (4) outputs a counting result of the input pulse signal. On the basis of the counting result, a VSYNC synchronous signal generation circuit (5) or a HSYNC synchronous signal generation circuit (6) generates a control signal which controls driving of a display.

Inventors:
NAKAGAWA YOUSUKE
Application Number:
PCT/JP2007/053067
Publication Date:
November 29, 2007
Filing Date:
February 20, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHARP KK (JP)
NAKAGAWA YOUSUKE
International Classes:
H03K23/00; G09G3/20; G09G3/36
Foreign References:
JP2001136059A2001-05-18
JPH08184794A1996-07-16
JPH11265173A1999-09-28
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (2-6 Tenjinbashi 2-chome Kita, Kita-k, Osaka-shi Osaka 41, JP)
Download PDF: