Apparatus and method for controlling inter-process buffer,...

Details Apparatus and method for controlling inter-process buffer,... Apparatus and method for controlling inter-process buffer,...

2006-09-12

2006-09-12

Picard, Leo (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Article handling

C700S014000, C700S034000, C700S035000, C700S051000, C700S054000, C700S067000, C700S068000, C700S095000, C700S112000, C414S900000, C702S176000, C702S179000, C702S180000, C702S199000

Reexamination Certificate

active

07107120

ABSTRACT:
An object of the invention is to minimize the number of in-process items. To this end, in an inter-process buffer controlling apparatus according to the invention, the size of a buffer to be used for storage of work subjects of predetermined work is increased if a difference or a ratio between a variance of first intervals at which the work subjects are delivered to the buffer and a variance of duration that is taken for the preceding process exceeds a prescribed first threshold value, and the size of the buffer is decreased if a difference or a ratio between an average of second intervals at which work subjects generated by the work are delivered to the following buffer and an average of the first intervals exceeds a prescribed second threshold value.

REFERENCES:
patent: 5229948 (1993-07-01), Wei et al.
patent: 5373451 (1994-12-01), Furukawa
patent: 6643556 (2003-11-01), Morenz et al.
patent: 06-251028 (1994-09-01), None

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