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| Number | Title | Issue Date |
| 6614831 | Mounting arrangement for auxiliary burner or lance A mounting enclosure and an improved mounting arrangement for apparatus used in metal melting, refining and processing, particularly those apparatus adapted for steel making in an electric arc furnace, such as burners, lances and the like with supersonic ... | 09/02/2003 |
| 6468571 | Method for making improved garlic product A method for processing fresh garlic which will not leave an unpleasant odor after having been digested is disclosed. The fresh garlic can be peeled, unpeeled, minced or chopped prior to processing. Garlic is composed of many tiny micrograms containing ar... | 10/22/2002 |
| 6372010 | Method for metal melting, refining and processing An improved method and apparatus for metal melting, refining and processing, particularly adapted to steel making in an electric arc furnace. The method provides auxiliary thermal energy to the steel making process, particulate injection for the formation... | 04/16/2002 |
| 6342086 | Method and apparatus for improved EAF steelmaking An improved method and apparatus for EAF steelmaking wherein the method provides additional thermal energy to the steel making process, carbon injection for the formation of foamy slag, and oxygen injection for the decarburization of the melt, the formati... | 01/29/2002 |
| 6212218 | Reusable lance with consumable refractory tip An improved apparatus for EAF steelmaking providing a lance for the injection of oxidizing gas, preferably oxygen, or other metallurgical gases and particulate materials into a steelmaking process. In one embodiment, the apparatus comprises a lance body c... | 04/03/2001 |
| 6197354 | Method for making improved garlic product A method for processing fresh garlic which will not leave an unpleasant odor after having been digested is disclosed. The fresh garlic can be peeled, unpeeled, minced or chopped prior to processing. Garlic is composed of many tiny micrograins containing a... | 03/06/2001 |
| 5631693 | Method and apparatus for providing on demand services in a subscriber system An on demand services feature for the provision of video, audio, and data services for a subscription system of the CTV type, or the like. The system comprises a headend coupled to a distribution network having a multiplicity of subscribers. Standard serv... | 05/20/1997 |
| 5614813 | Unity trapezoidal wave RMS regulator An RMS regulation system for power supplies characterized by a digital loop feedback of a quickly sampled peak crest voltage value of a trapezoidal waveform, whereby a microprocessor controls either the timing of, or rate of, the trapezoidal waveform rise... | 03/25/1997 |
| 5426699 | Method and apparatus for digitizing a scrambled analog video signal An on demand services feature for the provision of video, audio, and data services for a subscription system of the CTV type, or the like. The system comprises a headend coupled to a distribution network having a multiplicity of subscribers. Standard serv... | 06/20/1995 |
| 5235619 | Cable television radio frequency subscriber data transmission apparatus and RF return method A method of transferring a data message from a remote unit to a central location is provided. A plurality of data channels is selected for transmitting the data message from the remote unit to the central location. At least one random transmit time is gen... | 08/10/1993 |
| 5208854 | Picture carrier controlled automatic gain control circuit for cable television interdiction or jamming apparatus An off-premises i.e. a negative or positive trap, jamming cable television or interdiction system, includes a picture carried controlled automatic gain control circuit. A broadband television signal output of a variable gain device is distributed by a rad... | 05/04/1993 |
| 5191459 | Method and apparatus for transmitting broadband amplitude modulated radio frequency signals over optical links An optical communications system including a plurality of modulated radio frequency carriers which span more than an octave in bandwidth. In one implementation, the carriers are grouped into ranges which span less than octave in bandwidth and separately t... | 03/02/1993 |
| 5157716 | Dynamic callback technique A dynamic global callback technique which is capable of maintaining a manageable number of incoming calls to a central location from a plurality of remote units. A plurality of remote units are prompted to initiate callback attempts to a central location ... | 10/20/1992 |
| 5155590 | System for data channel level control Automatic level calibration apparatus for transmitting data from a cable television terminal to the headend of a cable television system comprises programmable transmitter apparatus of the terminal, programmable receiving apparatus at the headend and a ca... | 10/13/1992 |
| 5153763 | CATV distribution networks using light wave transmission lines Light wave communication over optical fiber networks for the distribution of broadband, multiple channel CATV (Cable Televison) signals uses fibers which carry amplitude modulated broadband signals over a considerable distance (6-30 km) to a fiber node. E... | 10/06/1992 |
| 5146532 | Optical fiber retention device An optical fiber retention device which is adapted to positively locate and retain one or more optical fibers while providing strain-relief. The optical fiber retention device includes a pair of resilient strip members which snap fit together to positivel... | 09/08/1992 |
| 5144267 | Variable slope network for off-premises CATV system A three terminal compensation network for frequency dependent attenuation has a control terminal, an input terminal, and an output terminal. The network is particularly useful for an off-premises CATV system for slope compensation of a broadband televisio... | 09/01/1992 |
| 5142690 | Cable television radio frequency data processor A cable television radio frequency data processor for receiving and processing data transmitted from a cable television terminal to the headend of a cable television system comprises a plurality of data receivers for receiving the returned data, detectors... | 08/25/1992 |
| 5142575 | Method and apparatus for improving video scrambling and employing split sync pulses This invention discloses a new and improved method of scrambling video signals by inversion of the video information by splitting the sync pulse into plural portions and transmitting each portion of the sync pulse at a predetermined level. This improves t... | 08/25/1992 |
| 5140603 | Overmodulation protection for amplitude modulated laser diode A laser diode protection circuit which monitors the r.f. modulation level of the input modulating signal to the laser diode and disconnects the laser diode from the r.f. modulating signal when it exceeds an acceptable level. The circuit further monitors t... | 08/18/1992 |
| 5054071 | Volume control for optimum television stereo separation Volume control for use in a cable television set top converter or the like is calibrated for optimum television stereo channel separation. The volume control controls the volume to predetermined levels. One of the predetermined levels is a particular leve... | 10/01/1991 |
| 5029958 | Optical fiber enclosure for optoelectronic converter The present invention relates to an attachment (optical fiber sidecar) to the outer casing of a component of an RF distribution system, which provides a sealed enclosure in which one or more individual optical fibers may be separated from a main optical f... | 07/09/1991 |
| 4519001 | Apparatus for providing dropout compensation and error concealment in a PAL format video information signal Apparatus is disclosed for providing error compensation of a video information signal having a PAL format. Sampling of the analog PAL format video information signal is done at a rate of four times the chrominance subcarrier frequency and is done in a pre... | 05/21/1985 |
| 4507915 | Stall detector and surge prevention feature for a gas turbine engine A proportional fuel fuel control (11) regulates the fuel flow (Wf) from a hydromechanical unit (36) based upon an error signal (E) representing the difference between a demanded speed signal (Nd) and an actual speed signal (Nh). The demanded speed signal ... | 04/02/1985 |
| 4442667 | Acceleration limit reset An acceleration limit reset circuit (38, 40, 42, 44) is disclosed for a closed loop fuel control (11) of a gas turbine engine (10). The closed loop control includes a comparator circuit (28) which compares an acceleration term Ngs-Nd to a limit value Al a... | 04/17/1984 |
| 4423592 | Fuel control system for gas turbine engine A fuel control system (11) for a gas turbine engine (10) is disclosed. The proportional control regulates the fuel flow Wf from a hydromechanical unit (36) based upon an error signal E representing the difference between a demanded speed signal Nd and an ... | 01/03/1984 |
| 4422335 | Pressure transducer A pressure transducer (26) is disclosed. A multiplicity of signal plates (Cs, Cr, Csf, Crf) are disposed on a first quartz disc (88). Opposing the signal plates (Cs, Cr, Csf, Crf) across a gap formed by an annular frit (92) is a common plate (94) disposed... | 12/27/1983 |
| 4417440 | Fuel control apparatus for a gas turbine engine A fuel control apparatus (34) for a gas turbine engine (10). The fuel control apparatus (34) meters fuel flow Wf according to an electrical signal (Wf/Pc, E) indicative of the desired fuel/air ratio of the engine as scheduled from the power lever angle (P... | 11/29/1983 |
| 4355293 | Electrical resistance apparatus having integral shorting protection An electrical resistance apparatus adapted for the measurement of the position of the throttle blade of an internal combustion engine is disclosed. The apparatus includes a generally annular housing which has an inside surface that supports a flexible res... | 10/19/1982 |
| 4290060 | Brake fuse warning circuit A warning circuit generates warning signals in response to a blown fuse in a vehicle brake system which includes primary and ignition-switch controlled. The back-up pump is driven by an electric motor. Control circuitry monitors and controls the brake sys... | 09/15/1981 |
| 4290045 | Brake system warning circuit A warning circuit which generates signals in response to selected conditions of a vehicle hydraulic brake system. The brake system includes an engine-driven main source of hydraulic pressure, a relay-actuated auxiliary source of hydraulic pressure, a flow... | 09/15/1981 |
| 4234903 | Inductive load driver circuit effecting slow hold current delay and fast turn off current decay An inductive load driver circuit comprising first and second switch means and high and low impedance load current decay means. For the duration of a load actuation signal the first switch means are responsive to the magnitude of the load current to comple... | 11/18/1980 |
| 4170201 | Dual mode hybrid control for electronic fuel injection system A dual mode control system for operating an electronic fuel injection system for an internal combustion engine so as to achieve an optimal compromise between engine emissions, fuel economy and driveability. A closed loop control circuit is provided which ... | 10/09/1979 |
| 4164206 | Closed loop programmable EGR with coolant temperature sensitivity A closed loop programmable EGR control system is disclosed. The EGR control system comprises a first read only memory having a look up table of base EGR pulse widths as a function of engine speed and absolute manifold pressure. This base EGR pulse width i... | 08/14/1979 |
| 4102315 | Proportional controller for controlling air flow to an engine A proportional controller controls the speed of an engine during start-up and warm-up periods by utilizing the properties of thermoexpansive and electroexpansive materials to regulate air flow to the engine in proportion to engine manifold vacuum, prevail... | 07/25/1978 |
| 4099491 | System controlling any air/fuel ratio with stoichiometric sensor and asymmetrical integration In a fuel management system for an internal combustion engine, a system utilizing a stoichiometric gas sensor in the exhaust gas system for supplying an electrical signal to an asymmetrical integrator which controls and maintains any desired air/fuel rati... | 07/11/1978 |
| 3975596 | Trunk consultation arrangement An arrangement is disclosed for providing trunk consultation in an electronic private automatic branch exchange which is built around a space divided solid state matrix. The trunk consultation arrangement is enabled by a hookswitch flash from a consulting... | 08/17/1976 |
| 3963868 | Loudspeaking telephone hysteresis and ambient noise control A loudspeaking telephone system including voice switching is disclosed. The system is bistably voice controlled by inversely regulating the impedances of variolossers in the transmit and receive channels respectively. Further provision is made for switchi... | 06/15/1976 |
| 3956592 | Automatic toll ticketing A method and apparatus are disclosed for providing automatic toll ticketing in a common control telephone system. The method includes sequences which provide automatic ticketing for station-to-station sent paid local or tributary terminations with automat... | 05/11/1976 |
| 3952165 | Tie trunk control arrangement A tie trunk control arrangement is disclosed for providing tie trunk connections in an electronic private automatic branch exchange which is built around a space divided solid state matrix. Each tie trunk has an associated tie trunk junctor dedicated ther... | 04/20/1976 |
