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| Number | Title | Issue Date |
| 5938862 | Fatigue-resistant lead-free alloy A lead-free solder alloy suitable for forming solder joints of a surface-mount integrated circuit device, such as a flip chip. The solder alloy has a sufficiently low liquidus temperature to achieve desirable reflow properties at temperatures of 240° C. ... | 08/17/1999 |
| 5869366 | Method for forming voltage clamp having a breakdown voltage of 40 Vdc An IC voltage clamp and a process for forming the voltage clamp. The voltage clamp includes an MGFO device having an n-type source region, an n-type drain region, and a p-type field implant diffusion between the source and drain regions. The voltage clamp... | 02/09/1999 |
| 5819713 | Automotive ignition control system An automotive ignition control system includes a vehicle control computer operable to provide electronic spark timing (EST) signals, a control circuit having a number of coil drive circuits connected thereto, a corresponding number of coil driver devices ... | 10/13/1998 |
| 5703625 | Illuminated push button display A graphic display is provided which is suitable for use in an instrument panel of an automobile. The graphic display includes a display lens and a number of backlit buttons which are formed by a unitary optically-conductive member, wherein both the displa... | 12/30/1997 |
| 5674023 | Fastener clip and joint assembly A clip rigidly joins two parts, one part abutting the other. A first part has a hole spaced from the surface of the second part. The clip has two spaced plates connected by a spine. One plate has a hooked or notched tongue which engages the hole. The othe... | 10/07/1997 |
| 5663616 | Noise tolerant brushless motor position monitoring apparatus and method A noise tolerant motor position monitoring circuit having a digital filter section receives and filters noisy hall effect sensor inputs for use in determining rotational motor position. The motor position monitoring circuit exchanges information and instr... | 09/02/1997 |
| 5627547 | Mapless GPS navigation system in vehicle entertainment system A navigation system is provided for offering navigational assistance to a mobile user. The navigation system receives GPS position information signals which are processed to determine current position latitude and longitude coordinates and direction of tr... | 05/06/1997 |
| 5623854 | Retention and detent spring for control knob A control knob is secured to a D-shaped shaft or lever of a switch or potentiometer which is supported on a control panel. The control panel is molded plastic and is furnished with detent ramps or indentations in its surface adjacent the shaft or lever. A... | 04/29/1997 |
| 5498950 | Battery monitoring, charging and balancing apparatus Battery charging apparatus comprising a power source coupled to a battery pack comprising a series connected plurality of batteries, and a charge controller and battery balancer coupled to the battery pack that monitors, controls the charging of, and bala... | 03/12/1996 |
| 5491871 | Solder paste and conductive ink printing stencil cleaner A solder paste or conductive ink printer stencil wiper apparatus combining a dual action of sucking stencil holes and simultaneously wiping the bottom of the stencil for excess solder. The apparatus includes a vacuum nozzle constructed and arranged to dra... | 02/20/1996 |
| 5464570 | THFA/PDP thermoset thick films for printed circuits The invention includes the discovery that the addition of a thermosetting polymer to a thick-film conductor formulation including a thermoplastic polymer will substantially retard the spreading of the thick-film conductor ink upon firing of the printed co... | 11/07/1995 |
| 5457575 | Retracting head up display with fine adjustment of combiner A combiner is pivotally mounted for movement between an operating position in the line of sight of an operator and a storage position. A sector gear fixed to the combiner engages a slidable rack so that sliding the rack causes pivotal movement of the comb... | 10/10/1995 |
| 5381599 | Liquid crystal polymer encapsulated electronic devices and methods of making the same Disclosed is a high temperature, high pressure process of encapsulating electronic devices. The high pressure process is particularly suitable for encapsulating flip-chip devices wherein the collapse of flip-chip solder bumps is prevented. A special mold ... | 01/17/1995 |
| 5381336 | Speed averaging for variable effort power steering A variable effort power steering unit under control of a microcomputer is able to change steering effort in response to control current. The current is developed as a function of average vehicle speed. In the case of vehicle deceleration, a long averaging... | 01/10/1995 |
| 5368899 | Automatic vertical dip coater with simultaneous ultraviolet cure Disclosed is an automatic vertical dip coater with simultaneous UV curing. The invention includes a method of automatically dip-coating and simultaneously UV curing a conformal coating on both sides of a circuit board including the steps of positioning a ... | 11/29/1994 |
| 5367537 | Saw-based FSK modulating circuit A frequency shift keying modulating circuit produces a first frequency according to a surface acoustic wave transducer natural resonant frequency and a second frequency according to the surface acoustic wave in combination with a reactive element. The fre... | 11/22/1994 |
| 5366332 | Compliant fastener A fastener is provided which is particularly suited for joining two or more panel members together, such as a circuit board with the internal support chassis of an electrical enclosure or casing. The fastener is configured with a compliant lower portion, ... | 11/22/1994 |
| 5317924 | Self-retaining, self-sealing pressure sensor A self-retaining, self-sealing manifold pressure sensor includes a sensor body with depending stem and an enlarged lower foot on the stem. The stem is tightly surrounded by a sealing and retention boot, which has a lower flange located just above the stem... | 06/07/1994 |
