Title:
AUTOMATIC CONTROL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2006/132002
Kind Code:
A1
Abstract:
An analog input signal is A/D converted to provide a converted digital control signal, which is then converted to a desired code. The code-converted digital control signal is indicative of the characteristic of an analog signal processing part (11). An instruction signal for changing the characteristic of the analog signal processing part (11) in a stepwise manner is generated and inputted to the analog signal processing part (11), which then performs, based on the instruction signal, process the analog input signal. In this way, the feedback control is performed.
Inventors:
FUKUMOTO YOSHIHIKO
Application Number:
PCT/JP2005/020856
Publication Date:
December 14, 2006
Filing Date:
November 14, 2005
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
FUKUMOTO YOSHIHIKO
FUKUMOTO YOSHIHIKO
International Classes:
H03M1/18
Foreign References:
| JPH03211916A | 1991-09-17 | |||
| JPH02190027A | 1990-07-26 | |||
| JP2002217733A | 2002-08-02 | |||
| JPH04196818A | 1992-07-16 |
Attorney, Agent or Firm:
Maeda, Hiroshi (5-7 Hommachi 2-chome, Chuo-k, Osaka-shi Osaka 53, JP)
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