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| Number | Title | Issue Date |
| 7058520 | Method and apparatus for detecting maximum and minimum values, and torque detecting apparatus and steering apparatus comprising the maximum and minimum values detecting apparatus The method and apparatus for detecting maximum and minimum values, and the torque detecting apparatus and steering apparatus comprising the maximum and minimum values detecting apparatus can detect maximum and minimum values of detection signals without setting a pa... | 06/06/2006 |
| 4140980 | Compensation circuit for trailing edge distortion of pulse-width modulated signal When a pulse-width series modulator is connected to the cathode of an RF radio transmitter tube for the purpose of series modulation, filtration of the PWM switching signal is required to eliminate the switching signal from the output modulating signal. S... | 02/20/1979 |
| 4002981 | Digital converter from delta-modulated signals into PCM signals A digital circuit arrangement for directly converting compressed DM or DPCM signals into PCM signals, comprising a digital filter and a step size control circuit in which a DM bit or a DPCM code word and the associated step size code word are simultaneous... | 01/11/1977 |
| 4001728 | Digital method of pulse width modulation Disclosed is a method of encoding information in a pulse width modulated nal using totally digital techniques. An incremental ramp wave is utilized as a modulation reference, and intercepts between the modulation reference and a signal to be encoded are ... | 01/04/1977 |
