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Class Information
Number: 327/334
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific input to output function
Description: Subject matter wherein an output is proportional to a nonlinear mathematical expression of an input signal.










Sub-classes under this class:

Class Number Class Name Patents
327/354 Absolute value 30
327/335 By differentiating 61
327/336 By integrating 252
327/355 Combining of plural signals 400
327/346 Exponential 78
327/363 Having feedback 52
327/350 Logarithmic 201
327/362 With compensation 432
327/364 With vacuum tube 3


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
4220875 Electronic circuit having its impedance controlled by an external signal Sep. 2, 1980
4200843 Non-linear operational circuit Apr. 29, 1980
4190896 Circuits having substantially parabolic output versus linear input characteristics Feb. 26, 1980
4168528 Voltage to current conversion circuit Sep. 18, 1979
4140981 Linearizing network Feb. 20, 1979
4122362 Stepped pulse generator circuit Oct. 24, 1978
4122529 Method and apparatus for providing a circuit with a smooth transfer function Oct. 24, 1978
4095126 Bi-polar amplifier with sharply defined amplitude limits Jun. 13, 1978
4078256 Inversion using successive approximation Mar. 7, 1978
4068138 Signal converter Jan. 10, 1978
4063170 Level meter circuit Dec. 13, 1977
4052677 Non-linear function generator with switched channels Oct. 4, 1977
4048525 Output circuit for charge transfer transversal filter Sep. 13, 1977
4032797 Quantising circuit Jun. 28, 1977
4030039 Function generator Jun. 14, 1977
4017800 Delinearization circuit Apr. 12, 1977
4011504 Solid state scale expanding circuit for electrical indicator devices Mar. 8, 1977
3999084 Limiting amplifier with adjustable limits Dec. 21, 1976
3997845 Device for modifying an analog electric signal Dec. 14, 1976
3982115 Electronically programmable function generator Sep. 21, 1976
3978415 Chromatographic analyzer signal resolution Aug. 31, 1976

1 2 3 4










 
 
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