Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate
2005-03-01
2005-03-01
Edun, Muhammad (Department: 2655)
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
C369S044270, C369S044320
Reexamination Certificate
active
06862260
ABSTRACT:
The correction method of the present invention includes a step for respectively inputting a same-signal pair composed of two signals each having the same signal waveform to two input lines of a normalization circuit, and then adjusting the difference between the values of the two offset signals added to those two input lines to make the output of the normalization circuit fixed or coincide with a predetermined value. The correction method further includes a step for respectively inputting to the two input lines of the normalization circuit a fixed-ratio-signal pair composed of two signals in which the ratio between the amplitudes of waveforms is fixed, and then adjusting each of the two offset signals added to those two input lines while the difference between the values of the two offset signals is maintained as is, to make the output of the normalization circuit fixed or coincide with a predetermined value.
REFERENCES:
patent: 5343454 (1994-08-01), Watanabe et al.
patent: 5953296 (1999-09-01), Baba
patent: 62-107444 (1987-05-01), None
patent: 2-027401 (1990-01-01), None
patent: 11-238330 (1999-08-01), None
Edun Muhammad
Greer Burns & Crain Ltd.
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