Quotables
"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6142023 | Method and apparatus for applying a predetermined proof load to a cable and measuring the resultant cable length A system for applying a predetermined proof load to a control cable and measuring the resultant cable length thereof includes a motor (32) which, under the control of a controller (14) drives an actuator (28) which, in turn, controllably displaces an end ... | 11/07/2000 |
| 6131055 | Aircraft non-normalized angle-of-attack indicating system The present invention is directed to a non-normalized aircraft angle-of-attack indicating system. An angle-of-attack vane produces a signal ' indicative of raw aircraft angle-of-attack. A pitot-static system (68) produces output signals representat... | 10/10/2000 |
| 6112140 | Flight management system providing for automatic control display unit backup utilizing structured data routing An improved aircraft flight management system includes a flight management computer (FMC), left and right control display units (CDU's) and a backup CDU. A triple redundant digital databus links the FMC and three CDU's. Upon detecting a failure in either ... | 08/29/2000 |
| 6043757 | Dynamic, multi-attribute hazard prioritization system for aircraft Signals from warning systems are passed to a hazard prioritization computer. The prioritization computer also receives inputs from the aircraft's air data and inertial reference system. The alert prioritization computer includes three functional modules: ... | 03/28/2000 |
| 6003811 | Aircraft servovalve current rate limiter Aircraft flight path changes commanded by a pilot via the wheel, column and pedal (12) are converted to position sensor signals (14) and passed as the input to primary flight computer (26). The primary flight computer (26) converts these pilot inputs and ... | 12/21/1999 |
| 5968106 | Aircraft stop-to-position autobrake control system An aircraft automatic braking system processes the flight crew selected stopping position of the aircraft on the runway via a control display unit (30) and the aircraft's actual position, provided by a global positioning system (34), to generate a stop-to... | 10/19/1999 |
| 5916297 | Method and apparatus for an improved flight management system providing for synchronization of control display units in an alternate navigation mode An improvement to an aircraft flight management system automatically allows changes entered into one control display unit (CDU) to be transmitted to the remaining CDU's upon failure of the onboard flight management computers. Each CDU includes memory allo... | 06/29/1999 |
| 5825998 | Method for controlling the level of detail displayed in a computer generated screen display of a complex structure A method for controlling the level of detail displayed in a computer generated screen display of a complex structure in which the structure is modeled as a root volume bounding all of the parts of the structure, with the individual parts comprising sub-ob... | 10/20/1998 |
| 5805828 | Method and apparatus for an avionics system utilizing both ARINC 429 and ARINC 629 compliant systems An aircraft avionics system utilizes ARINC 429 compliant equipment, connected to one or more ARINC 429 data buses, and ARINC 629 equipment, coupled to one or more ARINC 629 data buses. Communication between the ARINC 429 and ARINC 629 equipment is facilit... | 09/08/1998 |
| 5797106 | Method and apparatus for an improved flight management system providing for linking of an outbound course line from a predetermined position with an existing flight plan An improvement to an aircraft flight management system allows the flight crew to enter a predetermined position, which may be either the aircraft's current position or a defined waypoint, and a course line, or vector from the predetermined position. The s... | 08/18/1998 |
| 5715163 | Cursor controlled navigation system for aircraft An aircraft navigation control system includes a flight management system control display unit (12), a navigation display unit (40), logic circuitry (60) and a cursor control input device (70). The flight management system control display unit (12) includ... | 02/03/1998 |
| 5677618 | DC-to-DC switching power supply utilizing a delta-sigma converter in a closed loop controller A DC-to-DC switching power supply (12) receives a DC biased power signal at a first input (14), a control signal at its control input (16) and produces an output DC voltage at its output terminal (20). A power supply controller (30) compares the produced ... | 10/14/1997 |
| 5613049 | Method for creating spatially balanced bounding volume hierarchies for use in a computer generated display of a complex structure Disclosed is a method for processing an arbitrary collection of objects, forming a complex structure, into a hierarchy of bounding volumes, from a root volume bounding all objects, to sub-volumes bounding individual objects or assemblies thereof, for use ... | 03/18/1997 |
| 5550731 | Method and apparatus for implementing a databus voter to select the command signals from one of several redundant asynchronous digital processing units A method and apparatus for implementing a databus voter to select the command signals from one of several redundant asynchronous digital processing units finds particular application in the flight control art. Asynchronous, triple redundant primary flight... | 08/27/1996 |
| 5537583 | Method and apparatus for a fault tolerant clock with dynamic reconfiguration A fail-operational/fail-operational fault tolerant clock includes a voting core comprised of triple redundant clock modules (30, 40, 50) and a floating hot spare module (60). Each module includes a voter (84) and fault detection, identification and reconf... | 07/16/1996 |
| 5523949 | Method and apparatus for an improved autopilot system providing for late runway change An improvement to an autopilot flight director system allows the flight crew to make a late runway change without disengaging the autopilot. The improved system allows a transition to a new runway assignment if radio altitude is greater than 1500 feet. Co... | 06/04/1996 |
| 5515282 | Method and apparatus for implementing a databus voter to select flight command signals from one of several redundant asynchronous digital primary flight computers Asynchronous, triple redundant primary flight computers (PFC's) (12, 14, 16) produce output command signals carried over a data bus (18) to control redundant actuators (32, 34, 36) in an aircraft flight control system. To prevent the transmission of a fau... | 05/07/1996 |
| 5502364 | Aircraft automatic throttle forward stop servo system and method An aircraft automatic throttle system is responsive to a throttle command signal to drive the aircraft throttle through a clutch and detent mechanism which allows for pilot override. Full throttle is achieved only if the throttle is driven against the sto... | 03/26/1996 |
| 5457634 | Time-responsive flight optimization system An onboard flight management system produces cost-effective trajectory target signals in response to an input desired time of arrival. Aircraft monitoring systems produce signals corresponding to real-time aircraft parameters including fuel flow rate, air... | 10/10/1995 |
| 5419117 | Turbo jet/RAM jet propulsion system An integral turbo jet/ram jet propulsion system has co-axial forward and rear portions and includes a converging supersonic compression chamber and an inlet in the forward portion for directing air into the supersonic compression chamber. A diverging subs... | 05/30/1995 |
| 5377937 | Aircraft flare control system utilizing an envelope limiter An aircraft autoland flare control system which augments the autopilot's aircraft flare control commands in the event the aircraft exceeds defined flare envelopes, monitors aircraft longitudinal position, altitude, altitude rate, lateral position and late... | 01/03/1995 |
| 5216379 | Dynamic bias amplifier The bias level of an amplifier is controlled by an active bias circuit. The active bias circuit establishes a predetermined amplifier bias level (such as class A mode) as a function of input signal level and load impedance. The load impedance value may be... | 06/01/1993 |
| 5007804 | Fuel reactor A fuel reactor particularly adopted for the efficient combustion of wood and wood-product fuels includes a core comprised of an inner fuel tube and an outer gas tube. Fuel is introduced into one end of the fuel tube and the combustion process is initiated... | 04/16/1991 |
| 4987954 | Fuel reactor A fuel reactor particularly adopted for the efficient combustion of wood and wood-product fuels includes a core comprised of an inner fuel tube and an outer gas tube. Fuel is introduced into one end of the fuel tube and the combustion process is initiated... | 01/29/1991 |
| 4922839 | Fuel reactor A fuel reactor particularly adopted for the efficient combustion of wood and wood-product fuels includes a core comprised of an inner fuel tube and an outer gas tube. Fuel is introduced into one end of the fuel tube and the combustion process is initiated... | 05/08/1990 |
| 4893570 | Combustion furnace A solid fuel combustion chamber combusts the fuel utilizing underfire and overfire air. Both the underfire and overfire air derive from a common intake port, with a controllable vane determining the ratio between the two air sources. Gas flow from the sol... | 01/16/1990 |
| 4893335 | Remote access telephone control system A telephone control system connects to the telephone line from a telephone exchange. The control system includes a detector for detecting signals on the line, a signal generator for producing and applying control signals to the telephone line, memory for ... | 01/09/1990 |
| 4829914 | Combustion furnace with proportional underfire/overfire air intake control A solid fuel combustion chamber combusts the fuel utilizing underfire and overfire air. Both the underfire and overfire air derive from a common intake port, with a controllable vane determining the ratio between the two air sources. Gas flow from the sol... | 05/16/1989 |
| 4606071 | Loudspeaker system utilizing an equalizer circuit A loudspeaker system includes a low-frequency driver and a high-frequency driver which are connected to a crossover network. The crossover network includes an inductor in series with the low-frequency driver for attenuating high-frequency signals at the c... | 08/12/1986 |
| 4236116 | Level control circuitry for two way communication system Signals carried over a multiplexed transmission medium between first and second stations suffer transmission losses such that the signal one station generates has a substantially greater magnitude than the signal it receives from the other station. A diff... | 11/25/1980 |
| 4231114 | Synchronizing means for a two-way communication system Digitally encoded data is carried over a first channel between a base station and a plurality of mobiles with the mobiles sharing a second channel for transmission to the base on a contention basis. Proper decoding of the data requires clock syncing at th... | 10/28/1980 |
| 4168503 | Antenna array with printed circuit lens in coupling network A radiated signal, received by each one of a plurality of spatially separated antennas, forming a directive array, is coherently recovered by the lens. The lens is comprised of a plurality of vertically standing and circularly arranged printed circuit pan... | 09/18/1979 |
| 4159469 | Method and apparatus for the coding and decoding of digital information The encoder processes M information characters, each of bit length m, followed by k-1 flush out bits, through an (n,k) convolutional encoder. Each resulting output character is stored as one row of an output register matrix. A transmission bit stream is f... | 06/26/1979 |
| 4061973 | Synthesizer The synthesizer uses phase lock loop techniques to generate either the carrier signal for an associated transmitter or the injection signal for an associated receiver. A programmable divider controls the specific channel to which the synthesizer tunes the... | 12/06/1977 |
| 4060741 | High power piezoelectric bender A bimorph bender is comprised of a pair of piezoelectric circular discs having diametrically opposed surface portions. Signal carrying electrodes are formed contiguous with each surface portion. A center vane is sandwiched between the discs maintaining th... | 11/29/1977 |
| 4055832 | One-error correction convolutional coding system A rate one-half random error convolutional coding system corrects the theoretical limit of one error out of four successive bits. An information bit stream is processed through the system encoder which is comprised of a two-bit shift register and a modulo... | 10/25/1977 |
| 4055807 | Antenna switch The antenna of a transceiver couples through a low pass filter to the input port of a high pass filter network. The high pass network is designed to reflect a very high impedance to its input port when its output port is at ground potential. The transmitt... | 10/25/1977 |
| 4055288 | Front drive cartridge-tape player system with fast forward and reverse modes A fast forward cartridge tape player includes the conventional cartridge receiving cavity and cylindrical capstan. The capstan is rotatably driven about its vertically positioned longitudinal axis by a motor actuated flywheel, and it is located to forcibl... | 10/25/1977 |
| 4053843 | Blanker inhibit circuit A radio receiver includes a blanker circuit for muting the receiver in response to interfering noise signals. The invention contemplates a transistor switch which, when biased to its nonconducting state, inhibits blanker action. The transistor is biased t... | 10/11/1977 |
| 4053739 | Dual modulus programmable counter The inventive counter is operable to divide an input signal by the sum of two binary numbers, A and B. Each number is stored in memory. These numbers are alternately preset into a binary counter which also receives the input signal. A logic gate monitors ... | 10/11/1977 |
