Celebrity Inventors
Comic actor Danny Kaye received patent D166,807 for the co-design of "Blowout Toy or the Like". It's similar to one of those toys that unravels when you blow into at a birthday party except Kaye's has three blowouts going in different directions, not just one.
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| Number | Title | Issue Date |
| 4729112 | Digital sub-band filters A digital signal is separated into a lower frequency subband and a high frequency subband using quadrature mirror filters. The singularities of each filter, represented in the z-plane, comprise a zero on the real axis and unit radius, with other groups ea... | 03/01/1988 |
| 4727504 | Interference canceller and signal quantizer Apparatus for improving the signal-to-noise ratio of a weak signal corrupted by a larger additive noise signal. The apparatus includes an analog to digital converter for quantizing the received weak signal plus noise signal into a word of greater than 3-s... | 02/23/1988 |
| 4727424 | Sampled data filtering system, including a crossbar switch matrix, as for a ghost cancellation system A sampled data filter used in a television automatic ghost cancellation system employs a single chain of cascaded delay elements and a crossbar switch matrix to implement the several different delayed sequences of samples that are used by the system to ca... | 02/23/1988 |
| 4700603 | Formant filter generator for an electronic musical instrument In the production of a desired musical waveform by combining harmonic components corresponding to respective harmonic orders, the cut-off harmonic order qc, each harmonic component value is controlled by selecting the level Ha and the slope of ... | 10/20/1987 |
| 4686655 | Filtering system for processing signature signals A filtering system is provided for acquiring and processing signals using a sampled filter for signal separation and signal enhancement; such as for determining locations, distances, and times in a geophysical exploration system. Signature signals permit ... | 08/11/1987 |
| 4669095 | Maximum distance from zero crossing MSK demodulator A maximum distance from zero-crossing demodulation method for MSK or OK-QPSK signals is disclosed which utilizes the zero-crossing information for establishing a bit edge reference and an optimum sampling point situated essentially midway between the zero... | 05/26/1987 |
| 4658368 | Peak position detector The position of a peak in a digital signal is determined by a circuit consisting of a finite impulse response filter constructed in accordance with either the expression (1+z-1)(1+z-2) (1-z-5) or the simplified expression ... | 04/14/1987 |
| 4588979 | Analog-to-digital converter A device is disclosed for converting an input signal to a digital output signal at a preselected sampling rate with an increase in dynamic range without aliasing. The preferred embodiment utilizes a converter for producing a low resolution digital signal ... | 05/13/1986 |
| 4587620 | Noise elimination device A noise elimination device employs a concept of the linear prediction method. According to the invention, a linear prediction coefficient of a digitized, continuous input signal (an original signal) is calculated, a linear predicted value is computed from... | 05/06/1986 |
| 4584600 | Digital filter for the chrominance channel of a color-television set A digital filter serves to compensate for the reduction in the amplitude of the chrominance-subcarrier reference (fc) caused by the passband of the intermediate frequency stages, and thus to achieve a flat response in the filter's passband within the chro... | 04/22/1986 |
| 4573135 | Digital lowpass filter having controllable gain A digital lowpass filter having controllable gain produces a filtered digital signal by adding to the digital input signal a feedback signal produced from the filtered digital signal. The feedback signal is produced by a delay element and by a gain elemen... | 02/25/1986 |
| 4569031 | Circuit arrangement for serial digital filters Such digital filters process digital input data occurring during short pulses of a filter sampling signal (fa) in the pure binary code and in two's complement notation. They contain a parallel-to-serial converter (pw) at the input end, at least one adder ... | 02/04/1986 |
| 4562437 | Digital loop filter A digital loop filter is used in a phase-tracking circuit which is adaptable to a phase-comparison radio navigation system such as the DECCA (registered trademark) system. The digital loop filter includes a feedback circuit which receives a digital input ... | 12/31/1985 |
| 4560974 | Real-time ordinal-value filter utilizing reference-function comparison Operating at real-time data rates, the disclosed hardware network generates a signal which closely approximates the Mth-largest of a set of R input data signals. The operational basis of this network is a comparison (121-127) between the input data (101-1... | 12/24/1985 |
| 4554858 | Digital filter for an electronic musical instrument A digital filter imparting a desired tone color to the tone signal is realized by the combination of a digital pole filter and a digital zero filter capable of controlling a pole and a zero in an amplitude-frequency characteristic respectively. The amplit... | 11/26/1985 |
| 4554642 | Digital filtering with monitored settling time A mechanized system distributing the access, test and communication functions to the point of testing, typically the centralized switching facility serving the telephone loops and equipment to be tested. Computer (200) stores information about each subscr... | 11/19/1985 |
| 4538236 | Adaptive digital signal coring circuit A digital signal coring circuit removes from a stream of incoming digital data words low-valued variations lying between upper and lower threshold reference values. Upper and lower threshold values are adjusted in response to the value of the outgoing cor... | 08/27/1985 |
| 4535417 | Method and apparatus for digital time-variant filtering A method and apparatus for digital time-variant filtering are disclosed. The digital time-variant filters are implemented using the Hilbert transform and a time-varying instantaneous frequency control function for controlling the cutoff frequency. The dig... | 08/13/1985 |
| 4456968 | Real-time ordinal-value filter utilizing half-interval ranking A hardware logic network, operating at real-time data rates, generates a signal which matches the Mth-largest signal of an input data set. To accomplish this signal-matching, the network utilizes an iterative series of value adjustments which cause an int... | 06/26/1984 |
| 4441165 | Real-time ordinal-value filters utilizing complete intra-data comparisons Operating at real-time data rates, the disclosed hardware apparatus determine which one of a set of R input data signals is the Mth-largest. Mutual comparisons between the data values themselves provides the basis for the mechanized determination schemes.... | 04/03/1984 |
| 4439840 | Real-time ordinal-value filters utilizing partial intra-data comparisons Operating at real-time data rates, hardware logic networks (FIGS. 3-6) receive onto a data-channel array (390 in FIG. 3) a set of unordered input data values and iteratively pair-wise transpose the set members until their positional order on the array coi... | 03/27/1984 |
| 4389539 | Digital filter for performing serial operations and vocal sound synthesizing apparatus having the digital filter A single section digital filter is provided with a digital input signal and includes a serial multiplier having an input responsive to predetermine parameters. An adder/subtractor has an input serially connected to the multiplier output. A first switch se... | 06/21/1983 |
| 4373191 | Absolute magnitude difference function generator for an LPC system An absolute magnitude difference function (AMDF) generator for a linear predictive coding (LPC) system including a high speed low pass filter, with the AMDF generator formed on a single semiconductor chip including a data bus, control bus, memory, and a p... | 02/08/1983 |
| 4356558 | Optimum second order digital filter A second order digital filter utilizing six processor operations, two add instructions, two shift instructions and two store instructions. No multipliers are required. The filter is used as a digital filter in a servo loop having a Z transform of, G(Z)=4 ... | 10/26/1982 |
| 4353119 | Adaptive antenna array including batch covariance relaxation apparatus and method A directional main antenna and N omnidirectional auxiliary antennas connected to each supply an m-sample batch of signals to apparatus for developing a weighting vector 2 through Batch Covariance Relaxation apparatus, which weighting vector is then used t... | 10/05/1982 |
| 4310892 | Method for determining imbalance in a mechanical system A method for determining imbalances in a mechanical system, such as a rotor, by detecting oscillations caused by the imbalances, selecting a useful signal having a particular amplitude and frequency from the detected signal, and filtering the useful signa... | 01/12/1982 |
| 4285045 | Delay circuit A smear filter and/or a de-smear filter having the characteristics that the delay time is proportional to the frequency comprising (a) a transversal filter having a plurality of delay elements connected in series with one another, the delay time (T) of ea... | 08/18/1981 |
| 4229802 | Digital adding device Digital adding device for determining the sum of a plurality of binary coded numbers, having a digital parallel-accumulator having a first store for storing intermediate sums and intermediate carries which can be taken over into a second store by means of... | 10/21/1980 |
| 4149258 | Digital filter system having filters synchronized by the same clock signal A digital filter system comprising a plurality of digital filters having respective counters operated by the same clock signal, at least one of these digital filters including an operation control section having a counter to count the clock signal and be ... | 04/10/1979 |
| 4142241 | Harmonic insensitive phase sensitive demodulator A harmonic insensitive phase sensitive demodulator which converts complex AC waveforms to a DC voltage proportional to the fundamental component at an arbitrary phase with respect to a reference voltage and eliminates, to any desired degree, the effects o... | 02/27/1979 |
| 4136912 | Method and arrangement for filtering digital, measured cycle-duration values, in particular in antiskid control devices on vehicles This disclosure relates to a method and an arrangement for filtering disturbing signals in the digital measurement of the cycle duration for an antiskid control system for motor vehicles. The detrimental influence of short disturbances on the production o... | 01/30/1979 |
| 4020333 | Digital filter for filtering complex signals In a Fermat representation of numbers, the imaginary operator j is a real number which is a power of two. This is applied here to the implementation of complex digital filters, i.e., filters deriving the real and imaginary components of the desired filter... | 04/26/1977 |
| 3988606 | Digital filter device for processing binary-coded signal samples A digital filter is described in which the filter coefficients which differ from zero are coded in unequal numbers of multipliers which are equal to 2n and in which immediately after each multiplication of a given signal sample by the multiplie... | 10/26/1976 |
| 3976863 | Optimal decoder for non-stationary signals The decoder is a real time electronic device for processing, decoding and classifying data whose optimally achievable format of encoding is not known a prioristically but is desired to become known for either future optimal encoding, transmission, decodin... | 08/24/1976 |
| 3959641 | Digital rangefinder correlation Correlation in time of the extremely high frequency pulses which occur in tical rangefinders is accomplished by thresholding received returns at a low thresholding value, steering each received pulse to a plurality of up/down counters such that half of th... | 05/25/1976 |
| 3955193 | Method of digitally filtering signals with substantially differing signal levels and apparatus therefor A method of digitally filtering signals with substantially differing signal levels, particularly in the processing of radio and radar signals, in which the level value of the relevant signal, at a predetermined point, is determined and compared with the m... | 05/04/1976 |
| 3946214 | Multi-level digital filter A multi-level digital filter system applicable to modems is provided. The incoming data is read serially into M shift registers and read out in parallel by M further shift registers under the control of an M-bit clock, where M=log2 N and N is t... | 03/23/1976 |
