Boots – shoes – and leggings
Patent
1978-06-07
1980-05-20
Smith, Jerry
Boots, shoes, and leggings
307359, 328150, G06F 1536
Patent
active
042042607
ABSTRACT:
Apparatus and method for directly measuring percentile values of a time varying analogue signal by recursively estimating a predetermined percentile level from said analogue signal. In particular, the apparatus continuously estimates the percentile sound levels from the analogue output of a sound level meter so as to monitor sound pollution levels in a particular locality during a specified time period.
REFERENCES:
patent: 3348031 (1967-10-01), Russell, Jr. et al.
patent: 3544774 (1970-12-01), Peklenik
patent: 4020286 (1977-04-01), Ceci
Smith Jerry
Unisearch Limited
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