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Class Information
Number: 708/845
Name: Electrical computers: arithmetic processing and calculating > Electrical analog calculating computer > Particular function performed > Function generation
Description: Subject matter wherein the wave shape of at least one analog signal representing a desired function is generated by mathematical operation or a signal is generated as a part of a mathematical operation representing a desired function of at least one variable input parameter.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7412477 |
Interpolation of signals from a delay line |
Aug. 12, 2008 |
| 7209940 |
Temperature compensated square function generator |
Apr. 24, 2007 |
| 6898616 |
Arbitrary function generating circuit using a simple operational element and an encryption method thereof |
May. 24, 2005 |
| 6711509 |
Impulsive transient hardware simulation |
Mar. 23, 2004 |
| 6338077 |
Transfer function implementation using digital impedance synthesis |
Jan. 8, 2002 |
| 5526300 |
Waveform processor and waveform processing method |
Jun. 11, 1996 |
| 5495202 |
High spectral purity digital waveform synthesizer |
Feb. 27, 1996 |
| 5487027 |
Process and apparatus for providing an analog waveform synchronized with an input signal |
Jan. 23, 1996 |
| 5461583 |
Programmable frequency sine wave signal generator |
Oct. 24, 1995 |
| 5428563 |
Function generator whose output attains to desired value at designated time |
Jun. 27, 1995 |
| 5268847 |
Digital synthesis of waveforms |
Dec. 7, 1993 |
| 5267189 |
Rational fraction synthesizer |
Nov. 30, 1993 |
| 5128623 |
Direct digital synthesizer/direct analog synthesizer hybrid frequency synthesizer |
Jul. 7, 1992 |
| 4794552 |
Signal synthesizer |
Dec. 27, 1988 |
| 4686642 |
Method and apparatus for generating a stroke on a display |
Aug. 11, 1987 |
| 4651297 |
Two-dimensional image correlator |
Mar. 17, 1987 |
| 4648060 |
Dual channel frequency synthesizer system |
Mar. 3, 1987 |
| 4644839 |
Method of synthesizing musical tones |
Feb. 24, 1987 |
| 4631694 |
Sine wave synthesizer |
Dec. 23, 1986 |
| 4628475 |
Pulse width modulation pulse generator |
Dec. 9, 1986 |
| 4599703 |
Low frequency AC waveform generator |
Jul. 8, 1986 |
| 4532604 |
Predistortion circuit |
Jul. 30, 1985 |
| 4509135 |
Cosine signal correction circuit |
Apr. 2, 1985 |
| 4499550 |
Walsh function mixer and tone detector |
Feb. 12, 1985 |
| 4476538 |
Trigonometric function generator |
Oct. 9, 1984 |
| 4476540 |
Non-linear function generator |
Oct. 9, 1984 |
| 4475169 |
High-accuracy sine-function generator |
Oct. 2, 1984 |
| 4458329 |
Frequency synthesizer including a fractional multiplier |
Jul. 3, 1984 |
| 4392368 |
Arrangement for presses |
Jul. 12, 1983 |
| 4375082 |
High speed rectangle function generator |
Feb. 22, 1983 |
| 4346352 |
Linear and logarithmic sweep control circuits for a voltage-controlled oscillator |
Aug. 24, 1982 |
| 4326262 |
Universal signal generator and signal parameter comparator |
Apr. 20, 1982 |
| 4306296 |
Converter for changing Cartesian vector variables into polar vector variables |
Dec. 15, 1981 |
| 4303837 |
Waveform synthesizer with digitally controlled phase adjustment of output |
Dec. 1, 1981 |
| 4295098 |
Digitally adjustable phase shifting circuit |
Oct. 13, 1981 |
| 4286328 |
Incoherent optical ambiguity function generator |
Aug. 25, 1981 |
| 4205386 |
Electrocardiographic and blood pressure waveform simulator device |
May. 27, 1980 |
| 4204261 |
Complex analog signal generator |
May. 20, 1980 |
| 4190896 |
Circuits having substantially parabolic output versus linear input characteristics |
Feb. 26, 1980 |
| 4144581 |
Audio signal processor |
Mar. 13, 1979 |
| 4089055 |
Electronic monitoring apparatus |
May. 9, 1978 |
| 4078256 |
Inversion using successive approximation |
Mar. 7, 1978 |
| 4061909 |
Variable waveform synthesizer using digital circuitry |
Dec. 6, 1977 |
| 4060850 |
Beam former using bessel sequences |
Nov. 29, 1977 |
| 4052606 |
Charge transfer device transversal filters |
Oct. 4, 1977 |
| 4039951 |
Method and apparatus for digitally controlling an amplitude modulated pulse envelope on an RF signal |
Aug. 2, 1977 |
| 4035619 |
Analog computer, particularly for an ignition system for internal combustion engine |
Jul. 12, 1977 |
| 4032768 |
Constant velocity vector generator |
Jun. 28, 1977 |
| 4030039 |
Function generator |
Jun. 14, 1977 |
| 4023159 |
Non-linear analogue-digital converter |
May. 10, 1977 |
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