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Inventor: Oh; Sang G.
Address: Garland, TX
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5311575 |
Telephone signal classification and phone message delivery method and system |
May 10, 1994 |
| A method of processing a signal having characteristics and received from a telephone line is presented. The method includes defining a frame by measuring a plurality of samples from the signal over a predetermined period. Additionally, linear prediction coding coefficients of a selected |
| 5197018 |
Apparatus and method for drill wear prediction |
March 23, 1993 |
| A method is provided for detecting drill bit wear. Vibratory data is collected during the drilling of a reference hole into a workpiece. An autoregressive model is applied to the vibratory data collected during the drilling of the reference hole to determine reference hole characteristic |
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