| Patent Number |
Title Of Patent |
Date Issued |
| 7407687 |
Method of sequentially forming anti-corrosive coatings |
August 5, 2008 |
| Improved methods for the anti-corrosion treatment of oil or gas recovery or conveying equipment, wherein the individual components of an epoxy/curing agent anti-corrosion system are sequentially applied. Preferably, a liquid epoxy dispersion is first contacted with metal surfaces to |
| 7376618 |
Detecting and measuring risk with predictive models using content mining |
May 20, 2008 |
| Computer implemented methods and systems of processing transactions to determine the risk of transaction convert high categorical information, such as text data, to low categorical information, such as category or cluster IDs. The text data may be merchant names or other textual content |
| 7262900 |
Utilizing a protective plug to maintain the integrity of the FTP shrink hinge |
August 28, 2007 |
| As robust hinge post structure for use with torsional hinged devices such as micromirrors and method of manufacturing is disclosed. The fabrication process uses a protective layer such as BARC on the bottom of the aperture used to form the hinge post structure to protect an oxide layer |
| 6908778 |
Surface micro-planarization for enhanced optical efficiency and pixel performance in SLM devices |
June 21, 2005 |
| A method for enhancing the optical performance of a reflective spatial light modulator by micro-planarizing surfaces within the SLM, such as the reflective surface of each pixel, by gas-cluster-ion-beam bombardment. |
| 6868132 |
Soft output decoder for convolutional codes |
March 15, 2005 |
| Decoding signals represented by a trellis of block length N divided into windows of length L includes a step of decoding a backward recursion from a point P that is after the end of a window back to the end of the window. P is chosen at a sufficient distance from the end of the window su |
| 6690945 |
Method for suppressing transients using a pulse shaping look-up table |
February 10, 2004 |
| The pulse-shaping look-up table with transient suppression (530) avoids hard turn-on and turn-off transients by modifying word segments of initial and final digital words during transmission of a digital data sequence. A controller (570) sends a mode signal and a digital data sequence to |
| 6614576 |
Surface micro-planarization for enhanced optical efficiency and pixel performance in SLM devices |
September 2, 2003 |
| A method for enhancing the optical performance of a reflective spatial light modulator by micro-planarizing surfaces within the SLM, such as the reflective surface of each pixel, by gas-cluster-ion-beam bombardment. |
| 6480555 |
Method and apparatus for extended range frequency correction burst detection |
November 12, 2002 |
| A radio communication device provides extended burst tone detection for a demodulated I and Q input signal. The device includes a first burst detector coupled with the input signal and provides a first detection signal when a FCB tone is detected. A frequency shifter is coupled with |
| 6393079 |
Transient-suppressing mode switch |
May 21, 2002 |
| A transient-suppressing mode switch (100) uses a state machine (120) in conjunction with a soft switch (114) to control a first mode signal sent from a first mode signal source (112) to a first soft switch input and a second mode signal from a second mode signal source (130) to a second |
| 6144862 |
Pulse-shaping look-up table with transient suppression |
November 7, 2000 |
| The pulse-shaping look-up table with transient suppression (530) avoids hard turn-on and turn-off transients by modifying word segments of initial and final digital words during transmission of a digital data sequence. A controller (570) sends a mode signal and a digital data sequence to |
| 5727631 |
Coiled tubing hanger |
March 17, 1998 |
| A coiled tubing hanger including a hanger bowl, a slip bowl supported in the hanger body, a plurality of slip segments disposed in the slip bowl so as to be movable between a retracted position wherein the tubular member is able to pass through the coiled tubing hanger and an extended po |
| 5655354 |
Method and apparatus for automated verification and loading of precision drill bits into a drill |
August 12, 1997 |
| An apparatus and method for automated loading of a drilling machine package having a plurality of drill bit receiving openings arranged in a known configuration with verified precision drill bits from a drill bit container is disclosed. The apparatus includes an automated transfer ma |
| 5567334 |
Method for creating a digital micromirror device using an aluminum hard mask |
October 22, 1996 |
| A method for fabricating a DMD spatial light modulator (10, 66) using an aluminum hard mask (40,50,80,90). The DMD superstructure (14,16) is comprised entirely of titanium tungsten (TiW), whereby the hinge (14) and beam (16) are patterned by a respective thin aluminum hard mask. A very |
| 5526951 |
Fabrication method for digital micro-mirror devices using low temperature CVD |
June 18, 1996 |
| An improved support post (16, 23) for micro-mechanical devices (10). A conductive layer (33, 71) is deposited on a substrate at all places where the support posts (16, 23) are to be located. A spacer layer (41, 81) is then deposited and etched to form vias (41a, 81a). Each via (41a, 81a) |
| 5473187 |
Hybrids semiconductor circuit |
December 5, 1995 |
| A hybrid semiconductor device which comprises a semiconductor substrate having electrical devices therein with a plurality of spaced apart relatively rigid standoffs of electrically insulating material disposed over the substrate. Each of the standoffs has a substantially planar expo |
| 5454906 |
Method of providing sacrificial spacer for micro-mechanical devices |
October 3, 1995 |
| A method of fabricating micro-mechanical devices that use support elements (13) raised from a substrate (15), to support moveable elements (11). First, support elements (13) having reflective top surfaces (31) are fabricated. A layer of photoresist material (41) is then deposited over |
| 5405807 |
Semiconductor hybrids and method of making same |
April 11, 1995 |
| A method of making a hybrid semiconductor device and the device comprising providing a semiconductor substrate having electrical devices therein, providing a first resilient layer of electrically insulating material over the substrate which can be disposed directly onto the substrate wit |
| 5375143 |
Method for channel adaptive detecting/equalizing |
December 20, 1994 |
| In a communications device, two coherent detection algorithms (102 and 103), one of which has a decision feedback equalizer (103), and a detector selection algorithm (104) are used to dynamically select a detector depending on whether delay spread distortion is present. First the cor |
| 5298733 |
Infrared focal plane array with integral slot shield using spin-on epoxy and method of making sa |
March 29, 1994 |
| A method of fabricating a focal plane array having an integral slot shield which comprises fabricating a focal plane array having a plurality of detector elements. A layer of electrically insulating material, preferably a spun on epoxy, having a planar top surface is then formed over the |
| 5259005 |
Apparatus for and method of synchronizing a clock signal |
November 2, 1993 |
| The method of synchronizing a sampling clock signal to a received data signal, the clock recovery circuit generates several clock signals at the symbol rate, with each clock signal having a unique phase. To permit fast initial acquisition, the set of clock signals includes a pair of cloc |
| 5244839 |
Semiconductor hybrids and method of making same |
September 14, 1993 |
| A method of making a hybrid semiconductor device and the device comprising providing a semiconductor substrate having electrical devices therein, providing a first resilient layer of electrically insulating material over the substrate which can be disposed directly onto the substrate wit |
| 5241545 |
Apparatus and method for recovering a time-varying signal using multiple sampling points |
August 31, 1993 |
| The present invention presents an apparatus and method for recovering symbols in a data packet (101) transmitted to a receiver from a remote signal source (204) in a time-varying channel using multiple sampling points. In a digital cellular radiotelephone TDMA system, the receiver (2 |
| 5222078 |
Data signal compensation apparatus for use in a receiver |
June 22, 1993 |
| The present patent application includes a discussion of a signal compensation apparatus (119). The apparatus is implemented in a digital radiotelephone (101) having diversity receivers (111, 113). The signal compensation apparatus utilizes three control loops and a branch selection s |
| 5195106 |
Method for channel adaptive detecting/equalize |
March 16, 1993 |
| In a communications device, two coherent detection algorithms (102 and 103), one of which has a decision feedback equalizer (103), and a detector selection algorithm (104) are used to dynamically select a detector depending on whether delay spread distortion is present. First the cor |
| 5187811 |
Error detection |
February 16, 1993 |
| There is provided a mechanism for error detection comprising: detecting the symmetry of error distributions over adjacent time intervals and muting of a radiotelephone in response to detected loss of substantial symmetry, unless errors are attributable to valid alternative detections. It |
| 5182749 |
Receiver for recovering data in a forward and reverse direction in time |
January 26, 1993 |
| A differential quadrature PSK receiver (100) recovers serial data in a forward and reverse direction in time using a forward and reverse mode PLL (232) and decoder switch (108). The DQPSK receiver (100) is particularly useful for recovering a packet of serial data (Rx) having a time-vary |
| 5146610 |
Discontinuous transmission muting/unmuting system with link continuity |
September 8, 1992 |
| A system for facilitating link continuity and prompt supervisory control in a communication system with discontinuous transmissions comprising varying the carrier power in a first communication unit and varying frequency deviation of a modulating signal to provide a continuous signal det |
| 5143348 |
Easy-opening, high pressure gate valve |
September 1, 1992 |
| A gate lifter for shifting a gate from a valve seat in a gate valve. The gate lifter is provided on the downstream, or low pressure side of a valve, and is a tubular structure that surrounds and is slidable relative to a tubular valve seat. Hydraulic or other pressurized fluid is adapted |
| 5068625 |
Method for fast frequency acquisition in a phase locked loop |
November 26, 1991 |
| The method of the present invention provides fast frequency acquisition in a PLL. The peak voltage for a phase error signal is detected at time t.sub.p and a voltage controlled oscillator warp voltage is sampled at t.sub.p. The new warp voltage to the voltage controlled oscillator is set |
| 5067139 |
Coherent detector for QPSK modulation in a TDMA system |
November 19, 1991 |
| The .pi./4-QPSK coherent detector of the present invention has a vector input and an output comprising recovered data in bit pair form. The .pi./4-QPSK coherent detector recovers bursts of data, in a TDMA system, that has been encoded in an amplitude modulated vector's phase angle. The |
| 4977616 |
Antenna selection control circuit |
December 11, 1990 |
| An antenna switch control circuit for use in achieving antenna selection diversity in TDM RF receivers. RSSI for at least one antenna is monitored during time slots containing information not of interest. This information can then be compared with other antenna performance information to |
| 4930126 |
Time division multiplex system suited for burst analog transmission |
May 29, 1990 |
| The transmission and reception of burst analog signals, such a voice signal, over a TDM system is improved according to the present invention by minimizing discontinuities between the signal at the end of its time slot in one frame relative to the beginning signal at its next time slot |
| 4902095 |
Optical fibre cable connector |
February 20, 1990 |
| The connector comprises means (2) defining a bore (4) to receive a bared end portion or portions (20) of an optical fibre cable (16), the means (2) being surrounded by a body (12) of sealant material and a member (10) of heat recoverable material. After insertion of the cable or cables, |
| 4742514 |
Method and apparatus for controlling a TDM communication device |
May 3, 1988 |
| A time division multiplexed (TDM) communication device controller is disclosed, which controls all signalling, synchronization and supervisory functions. In one embodiment, the invention operates to control a remote communication device having a vo-coder and buffering means. The remote |
| 4378954 |
Method of making optical fiber termination |
April 5, 1983 |
| An optical fiber termination of the expanded beam type in which the fiber end fits into one end of a glass ferrule whose other end is closed by a spherical lens. The ferrule is filled with an ultra-violet curing glue. The position of the fiber end is adjusted so that light from the fiber |
| 3988175 |
Soldering flux and method |
October 26, 1976 |
| A reaction type flux and the method utilizing same in the soldering of aluminum containing products, particularly aluminum-zinc coated ferrous sheet and strip products. Said flux comprising a mixture consisting essentially of, parts by weight, 10 to 14 stannous chloride, 0.25 to 1.5 |
