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Class Information
Number: 708/811
Name: Electrical computers: arithmetic processing and calculating > Electrical analog calculating computer > Particular function performed > Evaluation of trigonometric function
Description: Subject matter wherein the function performed is processing of a signal to either determine a trigonometric relationship or to operate on a signal in accordance with a trigonometric relationship.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6138131 |
Arc-tangent circuit for continuous linear output |
Oct. 24, 2000 |
| 5815424 |
Digital angle conversion method |
Sep. 29, 1998 |
| 4599703 |
Low frequency AC waveform generator |
Jul. 8, 1986 |
| 4476538 |
Trigonometric function generator |
Oct. 9, 1984 |
| 4475169 |
High-accuracy sine-function generator |
Oct. 2, 1984 |
| 4346447 |
Divisional reading device for sine signals |
Aug. 24, 1982 |
| 4335443 |
Electronic angle resolver |
Jun. 15, 1982 |
| 4335444 |
Multiple pulse-width multiplier |
Jun. 15, 1982 |
| 4250559 |
Coordinate converter for changing polar vector variable into Cartesian vector variables |
Feb. 10, 1981 |
| 4180859 |
System for measuring the speed of rotation of a synchro by means of a sampling technique |
Dec. 25, 1979 |
| 4149260 |
Analog to digital converter for providing the digital representation of an angle |
Apr. 10, 1979 |
| 4144581 |
Audio signal processor |
Mar. 13, 1979 |
| 4092724 |
Polar converter |
May. 30, 1978 |
| 4051350 |
Position measuring device |
Sep. 27, 1977 |
| 4032768 |
Constant velocity vector generator |
Jun. 28, 1977 |
| 4028490 |
MSK digital data synchronization detector |
Jun. 7, 1977 |
| 4021658 |
Angular rate deriving apparatus |
May. 3, 1977 |
| 4017726 |
Four quadrant rate taker and synchronizer |
Apr. 12, 1977 |
| 4011440 |
System for generating an angular rate signal from an angular position signal utilizing a constant amplitude-variable carrier phase signal |
Mar. 8, 1977 |
| 3997071 |
Method and apparatus for indicating effective digging depth of a backhoe |
Dec. 14, 1976 |
| 3984831 |
Tracking digital angle encoder |
Oct. 5, 1976 |
| 3984672 |
Solid state translator |
Oct. 5, 1976 |
| 3975625 |
Electronic coordinate transformation using multiplier circuits |
Aug. 17, 1976 |
| 3959582 |
Solid state electronically rotatable raster scan for television cameras |
May. 25, 1976 |
| 3938394 |
Combination balance analyzer and vibration spectrum analyzer |
Feb. 17, 1976 |
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