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Color control signal converter
   
Document Number
US Patent 6208322
Issued Date
March 27, 2001
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Abstract
A color control signal converter for converting a digital code to a color control signal includes a device for controlling the duration of pulses in accordance with the digital code, and a device for developing the color control signal in accordance with the duration of the pulses.
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Color control signal converter - US Patent 6208322 Drawing
Drawing from US Patent 6208322
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Number of Claims:
19
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Published
March 27, 2001
Application Number
09/065,805
Filed
April 23, 1998
US Classification
345/83  
Int'l Classification
G01R   13/00   (20060101)   G01R   13/22   (20060101)   G01R   13/40   (20060101)   G01R   15/12   (20060101)   G01R   13/26   (20060101)   G01R   15/00   (20060101)   G09G   3/04   (20060101)   G09G   3/14   (20060101)   G01R   13/02   (20060101)  
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Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This is a division of my copending application Ser. No. 08/910,080, filed on Aug. 12, 1997, entitled Variable Color Display System, which is a division of my copending application Ser. No. 08/571,246, filed on Dec. 12, 1995, entitled Variable Color Display System, which is a division of my application Ser. No. 08/187,350, filed on Jan. 27, 1994, entitled Variable Color Digital Multimeter, now U.S. Pat. No. 5,475,300 issued on Dec. 12, 1995, which is a division of my application Ser. No. 07/865,460, filed on Apr. 9, 1992, entitled Variable Color Digital Multimeter, now U.S. Pat. No. 5,283,517 issued on Feb. 1, 1994, which is a division of my application Ser. No. 07/628,328, filed on Dec. 14, 1990, entitled Variable Color Digital Multimeter, now U.S. Pat. No. 5,122,733 issued on Jun. 16, 1992, which is a division of my application Ser. No. 07/197,322, filed on May 23, 1988, entitled Variable Color Digital Multimeter, now abandoned, which is a division of my application Ser. No. 06/819,111, filed on Jan. 15, 1986, entitled Variable Color Digital Multimeter, now U.S. Pat. No. 4,794,383 issued on Dec. 27, 1988. Reference is also made to my related applications Ser. No. 06/817,114, filed on Jan. 8, 1986, entitled Variable Color Digital Timepiece, now U.S. Pat. No. 4,647,217 issued on Mar. 3, 1987, and Ser. No. 06/947,076, filed on Dec. 18, 1986, entitled Color Converter, now abandoned, which describe devices employing a variable color display.
USPTO Field of Search
345/83   345/88   345/150  
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