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Patent Searching and Data


Title:
OSCILLATION SELF-CALIBRATING DEVICE
Document Type and Number:
Japanese Patent JP2004289877
Kind Code:
A
Abstract:

To provide an oscillation self-calibrating device for correcting oscillation clock signals.

The oscillation self-calibrating device comprises frequency dividers (12, 16) for receiving oscillator clock signals (CLK R, CLK T) to output first frequency-divided clock signals (CLK 1A, CLK 2A); base gates (14, 18) for providing enable signals, having a predetermined time interval; and counters (13, 17) for counting the clock signals (CLK 1A, CLK 2A) at a time interval, to generate count values as outputs, wherein the frequency dividers (12, 16) receive the counted values, frequency-divide the clock signals (CLK R, CLK T) by the counted values, and generate calibrated clock signals (CLK 1B, C, D, E, CLK 2B).


Inventors:
MEDIN DAVID L
Application Number:
JP2004196289A
Publication Date:
October 14, 2004
Filing Date:
July 02, 2004
Export Citation:
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Assignee:
STANTON KEI
International Classes:
G04G3/02; A23L1/00; G01K3/04; G01N33/02; G04F1/00; G04F10/04; G07C3/04; H03L1/02; (IPC1-7): H03L1/02
Attorney, Agent or Firm:
中村 稔
大塚 文昭
熊倉 禎男
宍戸 嘉一
今城 俊夫
小川 信夫
村社 厚夫
西島 孝喜
箱田 篤