Digital/analog converting apparatus with high resolution

Details Digital/analog converting apparatus with high resolution Digital/analog converting apparatus with high resolution

2006-11-30

2008-09-02

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S144000

Reexamination Certificate

active

07420496

ABSTRACT:
A high resolution digital/analog converting apparatus for a spatial optical modulator includes a resistor string including a plurality of resistors connected to each other in series between operating voltage terminals to divide operating voltages into a plurality of voltages using the plural resistors, a decoder to provide switching signals corresponding to digital signals, and a switch unit to select two voltages from the plural voltages divided by the resistor string according to the switching signal of the decoder. The two voltages are adjacent to each other. Moreover, the digital/analog converting apparatus may include a digital/analog converter to perform a digital/analog conversion of the two voltages.

REFERENCES:
patent: 5731774 (1998-03-01), Fujii et al.
patent: 2005/0088329 (2005-04-01), Tsuchi
patent: 2005/0195098 (2005-09-01), Panov et al.
patent: 9-64746 (1997-03-01), None
patent: 2001-044837 (2001-02-01), None
patent: 2002-0034832 (2002-05-01), None
Korean Intellectual Property Office, Office Action issued on Feb. 15, 2007.
Japanese Patent Office, Office Action mailed Dec. 4, 2007 and English Translation.

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