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 |
| 4249238 | Apparatus for sensor failure detection and correction in a gas turbine engine control system An improved gas turbine engine control system maintains a selected level of engine performance despite the failure or abnormal operation of one or more engine parameter sensors. The control system employs a continuously updated engine model which simulate... | 02/03/1981 |
| 4249239 | High-speed coupler for transmission lines or computer peripherals which employs a special microinstruction structure An architecture for a special purpose microprocessor particularly adapted for coupling a computer to its associated peripheral devices or to transmission lines. To minimize restrictions on the speed of data exchange, the present microprocessor allows the ... | 02/03/1981 |
| 4249240 | Address system for bus interconnected computer system A computer system employs a CPU interconnected to a number of devices and terminals over a common bus. Each device has a different address assigned to it and a message from one device to another, over the bus, is prefixed with the receiving device's addre... | 02/03/1981 |
| 4249241 | Object access serialization apparatus for a data processing system A serialization apparatus for a data processing system wherein access restrictions are automatically enforced: (1) in behalf of individual machine instructions in order to maintain object integrity; and (2) at each user's discretion in order to maintain s... | 02/03/1981 |
| 4249242 | Device for monitoring mean operating conditions The invention relates to rating monitoring devices. A first circuit emits a pulse for each centiliter (cl) of fuel consumed by a vehicle. A second input circuit emits a pulse for each meter travelled, the pulses being accumulated in a count meter. A store circ... | 02/03/1981 |
| 4249243 | Automatic operating systems of machine tools and method While machining a workpiece with a tool of a machine tool according to a numerically controlled machining program, when the tool breaks, the workpiece is removed from the machine tool and a new workpiece is substituted. A new program for the new workpiece... | 02/03/1981 |
| 4249244 | Electro-optical system and method and apparatus for providing automatically-compensating, traceable calibration and zeroing for light scattering devices A calibration/zero control is combined with an electro-optical measurement instrument in a time-multiplex fashion to provide a self-diagnostic in situ measurement system and automatic compensation of the entire electro-optical train without interruption o... | 02/03/1981 |
| 4249245 | Confirmation sound generation for indicating effective key input operation A confirmation sound generation system for developing a confirmation sound upon actuation of keys included in a key input means of an electronic apparatus. A determination means is provided for determining whether the presently conducted key input operati... | 02/03/1981 |
| 4249246 | Programmable logic array for generating EOR sums of input signals A programmable logic array (PLA) is achieved by taking various EOR sums of programmable AND term generator output signals. The EOR term generator receives externally applied logic constant signals on respective logic constant signal lines. Each logic cons... | 02/03/1981 |
| 4249247 | Refresh system for dynamic RAM memory A method and apparatus for controlling the refreshing of a volatile memory is disclosed in which conflicts between a memory refresh operation, the requirements for access to the memory during a data processing operation and a power up or power down condit... | 02/03/1981 |
| 4249248 | Programmable sequence controller with an arithmetic operation function A programmable sequence controller wherein a logic operation processor controls a program counter so as to successively read out from a sequence memory sequence instructions, which are applied to an input and output selector for selectively designating a ... | 02/03/1981 |
| 4249249 | Ion-implanted bubble memory A magnetic bubble memory of the G-shaped organization is implemented by ion-implantation. Attractive operating margins are realized by the use of transfer-out arrangements which moves bubbles in parallel first to an auxiliary path and thereafter to the ma... | 02/03/1981 |
| 4249250 | Computer storage arrangements with overwrite warning A computer store has a series of additional storage locations each associated with a main store address and each storing at least one digit. The additional locations have a "1" and a "0" written in when the associated address in the main store is written ... | 02/03/1981 |
| 4249251 | Gear train for timepiece with a stepping motor A stepping motor driven by a time-based electrical driving signal periodically rotates an overhung gear train directly driving the hour and minute hands mounted on a main arbor. The arbor is rotatably mounted in two spaced journals in a single tapered bea... | 02/03/1981 |
| 4249252 | Timing frequency recovery A method and apparatus for recovering the timing frequency in a modulated data signal receiver containing a timing frequency generator, by demodulating a received signal with the aid of carriers which are shifted by 90° in phase relative to one another t... | 02/03/1981 |
| 4249253 | Memory with selective intervention error checking and correcting device A memory system wherein data is stored along with a SEC-DED error detecting and correcting code. Means are provided for selecting either a direct readout path for data from the memory when no readout errors have been detected for the memory address being ... | 02/03/1981 |
| 4249254 | Arrangement for restituting selection signals Arrangement for restituting selection signals from a received isochronous signal which permits an ample variation in the number of consecutive bits of start polarity A and stop polarity Z, which represent respective values of the selection signals. This a... | 02/03/1981 |
| 4249255 | Continuous tuning arrangement for a multiband television receiver A tuning system includes a resistive element coupled between two terminals and a movable contact which is moved along the resistive element to determine the tuning position. A switching arrangement selectively couples predetermined voltages to the termina... | 02/03/1981 |
| 4249256 | Continuous tuning arrangement for a multiband television receiver A television tuning system for generating a tuning voltage for a varactor controlled local oscillator includes a continuous resistive element having first, second, third and fourth points along its resistive path which define first, second and third resis... | 02/03/1981 |
| 4249257 | Radio frequency signals analyzer An analyzer for analyzing radio frequency signals from an FM/PM transmitter ithout prior knowledge of the transmitting frequency. The RF signal is sampled and fed to a mixer where it is mixed with the output from a comb generator having a PRF equal to the ... | 02/03/1981 |
| 4249258 | Self-calibrating voltage standing-wave ratio meter system A circuit for use in connection with a meter for measuring the voltage standing-wave ratio (VSWR) along a transmission line wherein forward and reflected voltages in the transmission line are coupled off and detected by two respective diodes. Calibration ... | 02/03/1981 |
| 4249259 | Digital channel selection apparatus A digital channel selection apparatus comprising a memory, a digital-to-analog converter for converting digital information read out of the memory to an analog tuning voltage, a voltage-controlled tuner which is tuned to an incoming RF carrier frequency o... | 02/03/1981 |
| 4249260 | Noise-reducing apparatus This invention provides improvements of noise-reducing apparatus for a signal with superimposed noise. The improvement comprises means for double sampling of a signal with the instants of zero-crossings known or ascertainable at the receiving apparatus an... | 02/03/1981 |
| 4249261 | Superheterodyne radio receiver with nearby-station interference detection In a superheterodyne radio receiver, by observing the RF and IF signal levels is detected an occurrence of an interference caused by an interfering strong signal of an adjacent station at a frequency close to that of a desired station signal to be receive... | 02/03/1981 |
| 4249262 | Tunable microwave oscillator A tunable microwave oscillator including a transistor with a tuning diode which form an oscillating circuit particularly for use in television tuners and which does not require an inductor. A novel combination of an oscillator and mixer is also provided a... | 02/03/1981 |
| 4249263 | Mixer circuit A mixer circuit formed of a micro strip line for converting an input signal in SHF band into an intermediate frequency signal in UHF band is disclosed which includes an arch-shaped half-wavelength line having a length equal to one half of the wavelength o... | 02/03/1981 |
| 4249264 | Method and system for transmitting signals by fiber optics In the transmitter, a reference signal, produced by a voltage-controlled oscillator whose frequency is controlled by the battery voltage, is applied together with the signal to be transmitted to the transmission light emitting diode. In the receiver, the ... | 02/03/1981 |
| 4249265 | Device for receiving and transmitting coded light signals and IFF system incorporating this device A device to receive coded light signals and to transmit modulated light signals in the direction of the incident signals, comprising an omnidirectional detection device composed of a plurality of radiation sensors, an optical device for reflecting the lig... | 02/03/1981 |
| 4249266 | Fiber optics communication system A fiber optics transceiver transmits and receives either synchronous or asynchronous data through a fiber optics data communication cable. The transceiver is connected to one end of the cable and communicates with an identical transceiver at the other end... | 02/03/1981 |
