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Class Information
Number: 708/807
Name: Electrical computers: arithmetic processing and calculating > Electrical analog calculating computer > Particular function performed > Evaluation of root (e.g., square root)
Description: Subject matter wherein the function performed is root evaluation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6999986 |
Calculating circuit and method for computing an N-th root and a reciprocal of a number |
Feb. 14, 2006 |
| 6249805 |
Method and system for filtering unauthorized electronic mail messages |
Jun. 19, 2001 |
| 5274582 |
Root square sum calculating apparatus |
Dec. 28, 1993 |
| 4634949 |
Control devices for use with a stepping motor |
Jan. 6, 1987 |
| 4616332 |
Apparatus for converting analog-format signals to pulse-format signals |
Oct. 7, 1986 |
| 4599701 |
Complex magnitude computation |
Jul. 8, 1986 |
| 4511991 |
Arithmetic operation circuit for finding a square root of a sum of squared values |
Apr. 16, 1985 |
| 4482957 |
Use of a square root amplifier for statistics limited data |
Nov. 13, 1984 |
| 4238965 |
Two wire flow rate transmitter |
Dec. 16, 1980 |
| 4198675 |
Linearization technique for closed-loop acousto-optic modulators |
Apr. 15, 1980 |
| 4109165 |
RMS circuit |
Aug. 22, 1978 |
| 4088960 |
Monolithically integrable correlation detector |
May. 9, 1978 |
| 4001590 |
Radiation flux measuring device |
Jan. 4, 1977 |
| 3987366 |
Square root of transient circuit |
Oct. 19, 1976 |
| 3967105 |
Transistor power and root computing system |
Jun. 29, 1976 |
| 3965344 |
Computer utilizing logarithmic function generators |
Jun. 22, 1976 |
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