Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7759918 | Method for inhibiting thermal run-away A method for method for inhibiting thermal run-away in a multi-phase power converter at varying load transition rates. A multi-phase power converter having an on-time is provided and the frequency of the multi-phase power converter is adjusted so that a load step pe... | 07/20/2010 |
| 7723800 | Deep trench isolation for power semiconductors An integrated power semiconductor device has an isolation structure having two or more isolation trenches, and one or more regions in between the isolation trenches, and a bias arrangement coupled to the regions to divide a voltage across the isolation structure bet... | 05/25/2010 |
| 7714652 | Method for adjusting threshold voltage and circuit therefor A method and circuit for changing a threshold voltage of a transistor. The circuit includes a sense circuit coupled to a switching transistor, a circuit transistor and to one terminal of a resistor. The other terminal of the resistor is connected to a body contact. ... | 05/11/2010 |
| 7638979 | Method and system for monitoring battery stacks comprising a controller for calculating a correction factor used to correct battery voltage measurements A monitoring system (14, 24, 34, 50) monitors voltage of a stack of batteries (10, 20, 30.) Each battery has a plurality of cells (13). A monitoring unit (14, 24, 34) is associated with each battery and measures voltage across a selected ... | 12/29/2009 |
| 7636226 | Current protection circuit using multiple sequenced bipolar transistors A current protection circuit that uses a sequence of bipolar transistors to provide or draw current from a protected circuit node. An initial bipolar transistor has its emitter terminal coupled to the protected circuit node, with its collector terminal coupled to a ... | 12/22/2009 |
| 7602027 | Semiconductor component and method of manufacture A semiconductor component that includes an integrated passive device and method for manufacturing the semiconductor component. Vertically integrated passive devices are manufactured above a substrate. In accordance with one embodiment, a resistor is manufactured in ... | 10/13/2009 |
| 7521985 | Method for regulating temperature and circuit therefor A method and circuit for managing thermal performance of an integrated circuit. Temperature sensing circuits and a plurality of power FETs that are coupled together in parallel are manufactured from a semiconductor substrate. Each temperature sensing circuit monitor... | 04/21/2009 |
| 7439716 | DC-DC converter and method A DC-DC converter and method for compensating for errors in the DC-DC converter. The DC-DC converter includes an inductor coupled for receiving a source of operating voltage through a plurality of switches. The switches are controlled by a control circuit that has f... | 10/21/2008 |
| 7307476 | Method for nullifying temperature dependence and circuit therefor A circuit and a method for nullifying temperature dependence of a circuit characteristic. The circuit includes a plurality of transistors configured such that they generate a gate voltage that includes a threshold voltage as a component. The gate voltage is applied ... | 12/11/2007 |
| 7279390 | Schottky diode and method of manufacture A Schottky diode capable of sustaining a breakdown voltage of greater than about 250 volts and a method for its manufacture. An epitaxial layer disposed on a semiconductor substrate has a thickness of at least about 15 micrometers and an impurity concentration rangi... | 10/09/2007 |
| 7205583 | Thyristor and method of manufacture A thyristor and a method for manufacturing the thyristor that includes providing a semiconductor substrate that has first and second major surfaces. A first doped region is formed in the semiconductor substrate, wherein the first doped extends from the first major s... | 04/17/2007 |
| 6211819 | Mobile station location determination in a radio communication system A method and apparatus for location determination of a mobile station (304) in a fixed radiocommunication system having at least one base station (302) reduces the computational load on the mobile station. Satellite ephemeris information and clock correct... | 04/03/2001 |
| 6103398 | Optoelectronic device having an overfill material and method of assembly An optoelectronic device (10) having an overfill material (30) that protects components of the optoelectronic device (10) and a method for assembling the optoelectronic device (10). The optoelectronic device (10) includes a support structure (16) on which... | 08/15/2000 |
| 6054901 | Low noise preamplifier A low-noise wide band preamplifier (10) provides an output voltage signal (VO) corresponding to the variation in resistance of a sensor such as Magneto-resistive (MR) head (4) which is used to read the data stored on a magnetic media. In this p... | 04/25/2000 |
| 6037674 | Circuit and method of current limiting a half-bridge driver A half-bridge driver provides a current limit on the low-side driver (20) and a current limit on the high-side driver (16). The current limits are initially set equal. If the low-side driver current limits, then a modulation current from the low-side driv... | 03/14/2000 |
| 6034736 | Digital horizontal flyback control circuit A digital horizontal flyback control circuit for controlling the horizontal position of a video signal on a monitor screen receives a horizontal drive signal (21) and a flyback signal (22) generated when a video display beam is caused to move from the end... | 03/07/2000 |
| 6035372 | Dynamic RAM in a microprocessor system A microprocessor has RAS and CAS outputs for exclusive coupling, via a bus, to RAS and CAS inputs of a private DRAM. The microprocessor has a DRAM Control Register having at least one bit which is set to designate whether the DRAM is private to the microp... | 03/07/2000 |
| 6034735 | Clock generator for digital video signal processing apparatus A clock generation circuit for a digital video processing apparatus which has a simple structure and can be stably worked in both luminance and color signal systems. A color burst phase error signal indicative of phase difference of a color burst signal i... | 03/07/2000 |
| 6030453 | III-V epitaxial wafer production A production process for protecting the surface of compound semiconductor wafers includes providing a multi-wafer epitaxial production system with a transfer and load module, a III-V growth chamber and an insulator chamber. The wafer is placed in the tran... | 02/29/2000 |
| 6025281 | Passivation of oxide-compound semiconductor interfaces A method of passivating interface states of oxide-compound semiconductor interfaces using molecular, atomic, or isotopic species wherein said species are applied before oxide deposition in ultra-high vacuum, or during interruption of oxide deposition in u... | 02/15/2000 |
| 6023133 | Parabolic signal generator A parabolic signal generator (100) for use in a cathode ray tube (CRT) display circuit, comprising: programmable delay means (110) for receiving a CRT horizontal flyback signal and for producing a trigger signal which is delayed relative to the horizontal... | 02/08/2000 |
| 6023189 | CMOS circuit for providing a bandcap reference voltage A low voltage submicron CMOS circuit (10) for providing an output bandgap voltage (VBG) that is substantially independent of temperature and power supply variations has been provided. The CMOS circuit utilizes parasitic transistors (28-30) to c... | 02/08/2000 |
| 6023199 | Pulse width modulation circuit and method A circuit and method for producing a train of pulse width modulated pulses (FIG. 2), the circuit comprising: pulse producing means (11-16) for receiving sample values at an update rate and for producing therefrom pulses whose widths are representative of ... | 02/08/2000 |
| 6023256 | Liquid crystal display driver system and method therefor An LCD Driver System (10) includes a row decoder (38) for providing command signals to row drivers (50) and a RAM row decoder (64) for controlling a RAM (76) which supplies data to a column driver (88). The row and column drivers (50 and 88) are supplied ... | 02/08/2000 |
| 6022754 | Electronic device and method for forming a membrane for an electronic device An electronic device comprises a semiconductor substrate (2) having a cavity (32) extending into the substrate (2), a membrane (8) formed over the semiconductor substrate so as to extend across the cavity (32) in the semiconductor substrate and an active ... | 02/08/2000 |
| 6019508 | Integrated temperature sensor An integrated temperature sensor circuit (9) comprises two different current sources (14 and 15) multiplexed using switches (12 and 13) controlled by Clocks 1 and 2 having opposite phases into a bipolar transistor 11. Vbe is developed on capaci... | 02/01/2000 |
| 6017798 | FET with stable threshold voltage and method of manufacturing the same A low voltage field effect transistor structure (20) is provided with a threshold voltage that is tolerant of process variations that alter the location of a source implant region (41). A first halo region (33) and a second halo region (36) are formed adj... | 01/25/2000 |
| 5994961 | Temperature compensated decibel linear variable gain amplifier A gain control signal (VCTRL) is provided to a temperature compensating circuit (12) which produces a differential temperature compensating gain control signal (VDT). A gain compensating circuit (14) receives the differential temperature compensating gain... | 11/30/1999 |
| 5982230 | Amplifier circuit An amplifier circuit having a programmable configuration which is selectable by a user. The amplifier circuit includes a pair of two-input differential input circuits. Each two-input differential input circuit has first and second input terminals, wherein... | 11/09/1999 |
| 5973388 | Leadframe, method of manufacturing a leadframe, and method of packaging an electronic component utilizing the leadframe In order to package an electronic component, a leadframe is provided having at least one flag portion (2) and at least one lead portion (7) extending towards the flag portion (2). The lead portion (7) includes an end portion (10) of reduced thickness adja... | 10/26/1999 |
| 5973337 | Ball grid device with optically transmissive coating A semiconductor device (10) coupled to ball grid array substrate (11) and encapsulated by an optically transmissive material (29, 31). The ball grid array substrate (11) has conductive interconnects (14) and a semiconductor receiving area (17) on a top su... | 10/26/1999 |
| 5974255 | Method for state-based oriented testing An object oriented test provides a hierarchy of classes under test, each of the classes under test having a predefined inheritance structure. The test provides a test class for each corresponding class under test. Each class under test has a test member f... | 10/26/1999 |
| 5969972 | Method for manufacturing a semiconductor component and automatic machine program generator therefor An automated machine program generator (10) and a method for optimizing the manufacture of articles. The automated machine program generator (10) includes a data repository editor (11), a table parameter editor (13), and an optimizer editor (14). The data... | 10/19/1999 |
| 5965930 | High frequency bipolar transistor and method of forming the same A high frequency bipolar transistor (30, 60) having reduced capacitance and inductance is formed over a substrate (61). The substrate (61) is heavily doped to form a low resistance current path. A lightly doped epitaxial layer (62) isolates the substrate ... | 10/12/1999 |
| 5957988 | Control circuit for controlling power supplied to an igniter element and igniter system A control circuit (52) for controlling power supplied to an igniter element (54), includes a first input (70) for receiving an encoded input signal generated in response to the initiation of a firing mode and a diagnostic mode. The encoded input signal co... | 09/28/1999 |
| 5587605 | Package for mating with a semiconductor die An interconnect package (35) for interconnecting electrical system components. A first leadframe (10) having leads (11) is encapsulated within a molding compound forming a first section (36) of the interconnect package (35). The first section (36) optiona... | 12/24/1996 |
| 5502413 | Switchable constant gain summing circuit A switchable constant gain summer circuit (10) has been provided. The summer circuit selectively amplifies a plurality of input signals while maintaining a constant dc current flowing through a load which maintains a constant gain for the summer circuit. ... | 03/26/1996 |
| 5405790 | Method of forming a semiconductor structure having MOS, bipolar, and varactor devices A varactor (10, 115, 122) is formed using a BICMOS process flow. An N well (28) of a varactor region (13) is formed in an epitaxial layer (22) by doping the epitaxial layer (22) with an N type dopant. A cathode region (55, 132) is formed in the N well (28... | 04/11/1995 |
| 5397716 | Method of forming an insulated gate semiconductor device A method of forming an insulated gate semiconductor device (10). A field effect transistor and a bipolar transistor are formed in a portion of a monocrystalline semiconductor substrate (11) that is bounded by a first major surface (12). A control electrod... | 03/14/1995 |
| 5391945 | Circuit and method for providing phase synchronization of ECL and TTL/CMOS signals A circuit and method for providing phase synchronization between an ECL output signal and a TTL or CMOS output signal has been provided. The circuit includes phase locked loops (20, 24) to make the difference of delays through an ECL-TTL/CMOS translation ... | 02/21/1995 |
