Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 4423290 | Speech synthesizer with capability of discontinuing to provide audible output A noise-free speech synthesizer is disclosed which interrupts an audible output of synthesized sounds during the period of time where a sound waveform signal is at a relatively low level (amplitude), that is, a voiceless interval, a silent interval or a p... | 12/27/1983 |
| 4412099 | Sound synthesizing apparatus In this speech synthesizer which announces the time, storage and complexity is minimized by switching selection of fixed data and variable data from corresponding memories, to compose the phrase "the time is five o'clock".... | 10/25/1983 |
| 4408096 | Sound or voice responsive timepiece A timepiece having a speech synthesizer output device is disclosed herein. The speech synthesizer is responsive to sound input such as human voices (e.g., what time is it?) or the sound of clapping of hands to provide an audible indication of time informa... | 10/04/1983 |
| 4385359 | Multiple-channel voice input/output system A multiple channel voice I/O system including a control device and switching mechanism for enabling the system to handle a greater number of user channels than there are recognition inputs. The control unit responds to two types of commands from a host sy... | 05/24/1983 |
| 4380185 | Talking metronome A talking metronome is disclosed which is programmable to generate a human voice pattern of a sequence of numbers at a selected tempo (mm) and time signature (cadence) at one or more beat patterns. The time signatures are produced from quarter, eighth and... | 04/19/1983 |
| 4357489 | Low voltage speech synthesis system with pulse width digital-to-analog converter Integrated circuit speech synthesis system utilizing complementary metal-insulator-semiconductor technology to achieve low voltage operation, wherein a pluse width modulated digital-to-analog converter is employed to provide for accurate conversion of dig... | 11/02/1982 |
| 4335277 | Control interface system for use with a memory device executing variable length instructions A control interface system for use with a memory device executing variable length instructions and implementable utilizing integratable field effect semiconductor devices is disclosed. One example of such a system is a speed synthesis device controlled by... | 06/15/1982 |
| 4333152 | TV Movies that talk back A video entertainment system by which human viewers conduct simulated voice conversations with screen actors or cartoon characters in a prerecorded branching movie shown on a television screen. The actors and cartoons reply responsively with lip-sync soun... | 06/01/1982 |
| 4328562 | Means for displaying at least two different words and for providing independent pronunciations of these words A portable electronic dictionary and language interpreter comprises an input device for simultaneously entering at least two different words in a first language, a translator for causing retrieval for equivalents for the at least two different words, and ... | 05/04/1982 |
| 4310831 | Pulse width modulated, push/pull digital to analog converter A pulse width modulated digital-to-analog converter for utilization in low voltage, integrated circuit speech synthesis circuitry. A digitally programmable shift register is utilized to generate a pulse, which is generally related to the magnitude of a di... | 01/12/1982 |
| 4305131 | Dialog between TV movies and human viewers A video amusement system by which one or more viewers influence the course of a motion picture as if each viewer were a participant in a real-life drama or dialog. A speech-recognition unit recognizes a few spoken words such as "yes" and "run" spoken by a... | 12/08/1981 |
| 4304964 | Variable frame length data converter for a speech synthesis circuit A speech synthesis circuit is provided with a variable frame length data converter and the speech synthesizer is preferably integrated on an integrated circuit chips. The variable frame length data converter reduces the amount of data required to synthesi... | 12/08/1981 |
| 4301329 | Speech analysis and synthesis apparatus In order to prevent errors and instability which may occur in a speech analysis and synthesis apparatus when the normalized predictive residual power falls to low levels, for example in high-pitched speech, the calculation of linear predictor coefficients... | 11/17/1981 |
| 4282404 | Synthetic-speech calculators A synthetic speech calculator is provided which is capable of generating an audible sound signal which can be representative of keyed data, sequences of keyed data (and errors), processed data, the contents of a memory or the contents of a counter. The so... | 08/04/1981 |
| 4276444 | Synthetic-speech calculators A synthetic-speech calculator includes a keyboard consisting of digit keys and function keys and, if desired, or more mode selectors, a desired number of registers for storing numerical information entered by the depression of selected ones of the digit k... | 06/30/1981 |
| 4272649 | Processor controlled sound synthesizer An electronic circuit is disclosed which is capable of producing synthesized sounds under the control of a microprocessor or other type computer. A plurality of switch inputs are provided whereby the sound to be produced can be selected. The processor, un... | 06/09/1981 |
| 4271332 | Speech signal A/D converter using an instantaneously-variable bandwidth filter In a preferred embodiment of the invention the audio signal is bandwidth limited before being differentiated to provide either a positive or negative signal (depending on the slope of the audio signal) to a comparator which provides a corresponding logica... | 06/02/1981 |
| 4255618 | Digital intercept recorder/announcer system A digital intercept recorder/announcer system for use in conjunction with a telephone central office. The system performs the function of recorded message announcement for messages such as wrong number, time or weather announcements. The system samples an... | 03/10/1981 |
| 4234761 | Method of communicating digital speech data and a memory for storing such data A method of communicating Digital Speech Data to a speech synthesis circuit. The data is compressed to on the order of 1000-1200 bits, per second for normal human speech. The speech synthesis circuit utilizes linear predictive coding techniques for produc... | 11/18/1980 |
| 4210781 | Sound synthesizing apparatus An analog sound signal the time axis of which is compressed is sampled responsive to a write clock signal and the sampled output is stored in an analog shift register having a given capacity, whereupon the stored signal is read out from the analog shift r... | 07/01/1980 |
| 4142067 | Speech analyzer for analyzing frequency perturbations in a speech pattern to determine the emotional state of a person A speech analyzer is provided for determining the emotional state of a person by analyzing pitch or frequency perturbations in the speech pattern. The analyzer determines null points or "flat" spots in a FM demodulated speech signal and it produces an out... | 02/27/1979 |
| 4092495 | Speech synthesizing apparatus Speech synthesizing apparatus is provided in which different sounds are required for a plurality of channels. The channels are polled in turn on a cyclic scanning basis, the scan for each channel occupying a channel sampling period during which an instant... | 05/30/1978 |
| 4075424 | Speech synthesizing apparatus Speech synthesizing apparatus is provided using digital coded values specifying parameters of a sound to be reproduced. The apparatus has a voiced sound generator using digital values specified by input parameters to represent three formant waveforms resp... | 02/21/1978 |
| 4071888 | Telephone multiline automatic voice answer system A telephone multiline inquiry voice answer system is realized by employing a minicomputer system. Predetermined voice signals are digitally encoded and stand in a disk memory. In response to requests from one or more of the telephone lines the computer ce... | 01/31/1978 |
| 4016540 | Apparatus and method for providing interactive audio communication A system for operator interaction is provided using a stored program digital data processor and an audio message sub-system to process digital information and to provide audio messages for operator interaction. The system utilizes a digital data processor... | 04/05/1977 |
| 3996554 | Data transmission system A data transmission system for a road vehicle has an aerial on the road vehicle for picking up signals from an external transmitter. This aerial passes a signal to a receiver on the vehicle which in turn passes the information to a memory unit which store... | 12/07/1976 |
| 3974334 | Waveform processing A complex waveform synthesizer comprises a plurality of digital oscillators producing unit waveforms at distinct frequencies and constituted by respective storage zones storing, as digital words, the momentary values of the waveforms. The required amplitu... | 08/10/1976 |
| 3936610 | Dual delay line storage sound signal processor Sound signals are processed for compression or expansion utilizing storage and frequency transformation into storage delay lines operated alternately to transform alternate segments of the sound signal respectively with the outputs of the two delay lines ... | 02/03/1976 |
| 3934094 | Frequency band converter A frequency band converter wherein a signal whose frequency band is to be converted is written in a random access memory at a predetermined cycle while the contents of the random access memory are read out sequentially at a cycle different from the writin... | 01/20/1976 |
