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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| D547241 | Exterior surface of a rear wheel unit for a motorcycle to tricycle conversion kit | 07/24/2007 |
| 6504491 | Simultaneous multi-data stream transmission method and apparatus In a simultaneous multi-data stream transmission method and apparatus a first signal is transmitted at a fixed repetition rate from a first transceiver device (14). A second transceiver (33) then receives and demodulates the information embedded in the fi... | 01/07/2003 |
| 6041007 | Device with programmable memory and method of programming A device, preferably an electronically calibrated sensor (100) includes a sensing element (102) with an output coupled to a calibration circuit (104). The calibration circuit (104) includes an electronically erasable programmable read only memory (EEPROM)... | 03/21/2000 |
| 6028373 | Power supply distributed load startup system A power supply system (300) provides a staged startup of multiple loads (303, 305). Preferably, the power supply (300) is a switching power supply that provides power, in the form of a primary output voltage to a first output terminal (319) and to a secon... | 02/22/2000 |
| 5959464 | Loss-less load current sensing driver and method therefor A loss-less load current sensing driver and method includes providing current (603) to a load from a power supply through a transistor. A voltage drop is measured (605) across the transistor responsive to the provision of current to the load. A temperatur... | 09/28/1999 |
| 5952738 | Switching circuit for an inductive load In a circuit, switch (1) switches a current from a reference voltage terminal through an inductive element (3). The energy stored in the magnetic field associated with the inductive element when a current is flowing is transferred on interruption of the c... | 09/14/1999 |
| 5953650 | Portable-mobile radiotelephone architecture and method for mobile personal security systems A portable-mobile personal security system and method for a vehicle includes establishing a telephone call (407) from a portable radiotelephone (101) through a mobile radiotelephone (109). The telephone call established from the portable radiotelephone (1... | 09/14/1999 |
| 5949121 | Temperature-indicating field effect transistor A temperature-indicating field effect transistor (100) includes a transistor die (101) including a drain (103), a source (105), and a gate (107). A temperature measurement device (109, 111) is thermally coupled to the transistor die (101) and electrically... | 09/07/1999 |
| 5941928 | System and method for measuring hydrocarbon conversion efficiency of a catalytic converter A system and method measures hydrocarbon conversion efficiency of a catalytic converter (501). Total-combustible sensors (511, 521) are positioned to measure exhaust gas on both sides of the catalytic converter (501). Signals from these sensors (511, 521)... | 08/24/1999 |
| 5917966 | Interferometric optical chemical sensor An optical sensor (100) that measures gas concentration (121) includes a light input port (103), and a light output port (111). A reference waveguide (105) and a measurement waveguide (113) are both coupled between the light input port (103) and the light... | 06/29/1999 |
| 5916294 | System and method for estimating tailpipe a emissions in a vehicle A system and method estimates tailpipe emissions by sensing (703) a catalyzed gas stream (506) and providing a total-combustible gas signal (511) dependent thereon. The total-combustible gas signal (511) has a magnitude comprised of a first portion, depen... | 06/29/1999 |
| 5915272 | Method of detecting low compression pressure responsive to crankshaft acceleration measurement and apparatus therefor A method of detecting low compression pressure by interpreting acceleration of an engine crankshaft (201) is detailed. In a preferred embodiment, the method teaches measurement of intake manifold pressure. Then, a first engine crankshaft acceleration is m... | 06/22/1999 |
| 5904459 | Fastener apparatus and system with self-setting torque and over-torque protection A fastener apparatus and system for fastening an article through an opening in a mounting plate (501) includes a retaining nut (101) with a head portion (103) having a face surface (105), and a barrel portion (107) emanating from the face surface (105). T... | 05/18/1999 |
| 5893044 | Real time clock apparatus for fast acquisition or GPS signals An apparatus for improving the acquisition time of GPS signals includes a GPS receiver (21) and a real-time clock circuit (30). The GPS receiver receives GPS signals including a precise time reference signal for providing a position based upon the locatio... | 04/06/1999 |
| 5889394 | Temperature independent current reference A current reference (10) includes first and second connected resistors (R1 and R2), a voltage source (12) independent of a supply voltage (Vdd). The voltage source is applied to the first and second resistors (R1 and R2) and has a positive temperature coe... | 03/30/1999 |
| 5887046 | Method, system, and device for accumulating data and maintaining the accumulated data A method of accumulating and maintaining the accumulated data comprises steps of maintaining an intermediate count in a first memory device (12), reading a plurality of count values from a second memory device (14), determining a greatest count value of a... | 03/23/1999 |
| 5875197 | Addressable serial test system An addressable serial test system employs a serial register with parallel outputs. Data is clocked into the serial register via a shift clock signal. A decoder is connected to a portion of the shift register's outputs and provides a selection signal depen... | 02/23/1999 |
| 5869998 | Amplifier circuit having independent gain and response time adjustments An amplifier circuit (20) having independent gain and response time adjustments includes an amplifier (22), a response time resistor (30), a variable gain resistor (32) attached to the response time resistor and to an output of the amplifier (22), a respo... | 02/09/1999 |
| 5865413 | Surface mountable component holder A surface mountable auto-onsertable component holder (100) includes captivating structures (123, 125, 127 and 129) on opposing walls (101, 103, 115, and 117) to hold an electrical component (200) in place.... | 02/02/1999 |
| 5862506 | Modified trimmed mean filtering for misfire detection A modified trimmed mean filtering method and apparatus for a misfire detection includes acquiring a time-continuous series of acceleration data samples (601) representative of acceleration behavior of a reciprocating engine. And, providing a filtered acce... | 01/19/1999 |
| 5861746 | Method for detecting closure of a solenoid coil from the rise time of each of the current peaks of the solenoid coil A method for detecting closure of a solenoid coil in a solenoid arrangement in a solenoid arrangement having first (4) and second (40) solenoid coils and a solenoid armature (5) that communicates between the coils (4, 40). A holding current signal (25) is... | 01/19/1999 |
| 5858306 | Modified noble metal catalyst based calorimetric sensor and method A modified noble metal catalyst based calorimetric sensor for sensing non-methane hydrocarbons in an automotive exhaust gas stream includes a first sensing element (105) with an output that provides a signal (111) indicative of a concentration of indicati... | 01/12/1999 |
| 5841025 | Misfire detection method and apparatus A misfire detection method and apparatus includes measurement of combustion induced torque in an internal combustion engine and provision of time-ordered first, second, and third acceleration data samples dependent on the torque. A misfire is indicated wh... | 11/24/1998 |
| 5819714 | Adaptive transient fuel compensation for a spark ignited engine A method and system for adaptive transient fuel compensation in a cylinder of a multi-cylinder engine estimates fuel puddle dynamics for the cylinder by determining parameters of a wall-wetting model every engine cycle of the multi-cylinder engine. Fuel d... | 10/13/1998 |
| 5806014 | Combustion control of an internal combustion engine proximate an extinction limit A method and system of combustion control for an internal combustion engine (313) proximate an extinction limit includes measurement of acceleration behavior of the internal combustion engine and providing a measure of combustion variability dependent the... | 09/08/1998 |
| 5793127 | Inductive load driver circuit with shared flyback protection An inductive load driver circuit with shared flyback protection includes a first transistor (209) which drives a first load (229), and a second transistor (231) drives a second load (251). A first clamp voltage steering diode (217) is coupled between an i... | 08/11/1998 |
| 5770939 | Programmable amplitude ramp generator for automotive voltage regulators A programmable amplitude ramp generator for an automotive voltage regulator includes a selection circuit (405) with an output (406) that provides a selection signal (407) with a plurality of states. A voltage reference circuit (401, 403) includes an outpu... | 06/23/1998 |
| 5762054 | Ego based adaptive transient fuel compensation for a spark ignited engine A method and system for adaptive transient fuel compensation in an engine (300) estimates fuel puddle dynamics for a cylinder in an engine by determining parameters of a wall-wetting model on every engine cycle by measuring a temporal delay (407) between ... | 06/09/1998 |
| 5743244 | Fuel control method and system with on-line learning of open-loop fuel compensation parameters A method and system for fuel delivery to an engine (400) measures when an exhaust gas sensor (413) is in a non-lit-off condition and when the exhaust gas sensor is in a lit-off condition. A control device (409) estimates fuel puddle dynamics for an intake... | 04/28/1998 |
| 5744725 | Capacitive pressure sensor and method of fabricating same A capacitive pressure sensor and method of fabricating the sensor includes providing a layered structure including a second silicon layer (115), a second insulating layer (203, 205) in contact with the second silicon layer (115), a first silicon layer (12... | 04/28/1998 |
| 5736104 | Transition metal oxide based calorimetric non-methane hydrocarbon sensor and method A transition metal oxide based calorimetric non-methane hydrocarbon sensor (100) is constructed by disposing a transition metal based catalyst (105), preferably chromium oxide (Cr2 O3), onto a carrier (101). A temperature measurement... | 04/07/1998 |
| 5726861 | Surface mount component height control A method and structure for controlling solder height of a surface mount device on a substrate uses electrical connection pads (105, 105') disposed onto a substrate (101). A height control pad (111) is also disposed onto the substrate (101) positioned apar... | 03/10/1998 |
| 5708595 | Efficient median filter and method therefor An efficient method and apparatus of median filtering includes a memory circuit (305) for holding a list of N data samples (109). A grading circuit (309, 321, 313, 311) identifies a first data sample of the N data samples that has a first metric with a ma... | 01/13/1998 |
| 5703283 | Detrending engine positional data for rotating position encoders A method for detrending engine positional data includes acquiring positional encoder data over a plurality of consecutive engine revolutions as the engine is decelerating. Then, a trend (207) in the acquired positional encoder data consistent with behavio... | 12/30/1997 |
| 5690087 | EGO based adaptive transient fuel compensation for a spark ignited engine A method and system for adaptive transient fuel compensation in a cylinder of an engine (300) estimates a fraction of fuel evaporated in a fuel intake system of the engine (bv) by measuring a temporal delay (515) between when an identification ... | 11/25/1997 |
| 5680077 | Oscillator-transmitter with shared output circuit An oscillator-transmitter (100) includes an input tank circuit (101) coupled between a first amplifier (103) and a second amplifier (105) configured in an oscillator arrangement. An output tank circuit (107, 109, 111 ), for radiating radio-frequency energ... | 10/21/1997 |
| 5642722 | Adaptive transient fuel compensation for a spark ignited engine A method and system for adaptive transient fuel compensation in a cylinder of a multi-cylinder engine estimates fuel puddle dynamics for the cylinder by determining parameters of a wall-wetting model every engine cycle of the multi-cylinder engine. Fuel d... | 07/01/1997 |
| 5637788 | Apparatus and method of detecting a leak in an evaporative emissions system A apparatus and method of detecting a leak in an evaporative emissions system measures vapor flow out of the evaporative emissions system while maintaining a zero pressure difference from inside a fuel tank to atmosphere and provides a reference vapor flo... | 06/10/1997 |
| 5634203 | Adaptive multi-receiver shared antenna matching system and method An adaptive multi-receiver shared antenna matching system and corresponding method includes an antenna (101). A plurality receiver devices (103) are operably coupled to the antenna (101). Degree of coupling between each of the receiver devices (103) and t... | 05/27/1997 |
| 5621413 | Vehicle-ground surface measurement system A measurement device (103) and method determines various metrics between a vehicle (101) and a ground surface (105) using a transmitter-antenna (109) for emitting energy including a portion directed down toward the ground surface. A receiving antenna (115... | 04/15/1997 |
