Patent application number | Description | Published |
20080240325 | High-Speed Receiver Architecture - A receiver (e.g., for a 10 G fiber communications link) includes an interleaved ADC coupled to a multi-channel equalizer that can provide different equalization for different ADC channels within the interleaved ADC. That is, the multi-channel equalizer can compensate for channel-dependent impairments. In one approach, the multi-channel equalizer is a feedforward equalizer (FFE) coupled to a Viterbi decoder, for example a sliding block Viterbi decoder (SBVD); and the FFE and/or the channel estimator for the Viterbi decoder are adapted using the LMS algorithm. | 10-02-2008 |
20090185613 | High-Speed Receiver Architecture - A receiver (e.g., for a 10 G fiber communications link) includes an interleaved ADC coupled to a multi-channel equalizer that can provide different equalization for different ADC channels within the interleaved ADC. That is, the multi-channel equalizer can compensate for channel-dependent impairments. In one approach, the multi-channel equalizer is a feedforward equalizer (FFE) coupled to a Viterbi decoder, for example a sliding block Viterbi decoder (SBVD); and the FFE and/or the channel estimator for the Viterbi decoder are adapted using the LMS algorithm. | 07-23-2009 |
20110058596 | Multi-Channel Equalization to Compensate for Impairments Introduced by Interleaved Devices - A system includes a time-interleaved device. An equalizer effectively can apply different equalization to different interleaved channels. For convenience, these equalizers will be referred to as multi-channel equalizers. In one aspect, an apparatus includes an interleaved device having M interleaved channels, and a multi-channel equalizer coupled to the interleaved device. The multi-channel equalizer is capable of applying a different equalization to different interleaved channels, thus compensating for channel-dependent impairments. | 03-10-2011 |
20110081152 | High-Speed Receiver Architecture - A receiver (e.g., for a 10G fiber communications link) includes an interleaved ADC coupled to a multi-channel equalizer that can provide different equalization for different ADC channels within the interleaved ADC. That is, the multi-channel equalizer can compensate for channel-dependent impairments. In one approach, the multi-channel equalizer is a feedforward equalizer (FFE) coupled to a Viterbi decoder, for example a sliding block Viterbi decoder (SBVD); and the FFE and/or the channel estimator for the Viterbi decoder are adapted using the LMS algorithm. | 04-07-2011 |
20110211842 | High-Speed Receiver Architecture - A receiver (e.g., for a 10G fiber communications link) includes an interleaved ADC coupled to a multi-channel equalizer that can provide different equalization for different ADC channels within the interleaved ADC. That is, the multi-channel equalizer can compensate for channel-dependent impairments. In one approach, the multi-channel equalizer is a feedforward equalizer (FFE) coupled to a Viterbi decoder, for example a sliding block Viterbi decoder (SBVD); and the FFE and/or the channel estimator for the Viterbi decoder are adapted using the LMS algorithm. | 09-01-2011 |
20120275780 | Receivers Based on Closed-Form Parametric Estimates of the Probability Density Function for the Received Signal - A closed-form parametric approach to channel-estimation is provided. In one aspect, a specific parametric expression is presented for the received signal pdf that accurately models the behavior of the received signal in IM/DD optical channels. The corresponding parametric channel-estimation approach simplifies the design of MLSE receivers. The general technique lends itself well to the estimation of the signal pdf in situations where there are multiple sources of noise with different distributions, such as ASE noise, together with Gaussian and quantization noise, and signal-dependent noise, for example. | 11-01-2012 |
Patent application number | Description | Published |
20090252216 | MULTIDIMENSIONAL DECISION-DIRECTED TRAINED ADAPTIVE EQUALIZATION - An embodiment of the invention is a technique to equalize received samples. An equalizer to equalize a multidimensional signal transmitted over a communication channel and having a dimensionality of four or higher. The equalizer is adaptively decision directed trained. | 10-08-2009 |
20120002977 | ADAPTIVE EQUALIZATION IN COHERENT FIBER OPTIC COMMUNICATION - An embodiment of the invention is a technique to equalize received samples. A coefficient generator generates filter coefficients using an error vector and input samples. A filter stage generates equalized samples from input samples using the filter coefficients. The received samples are provided by a receiver front end in an optical transmission channel carrying transmitted symbols. Other embodiments are also described. | 01-05-2012 |
20120106615 | MULTIDIMENSIONAL ADAPTIVELY TRAINED EQUALIZATION - An embodiment of the invention is a technique to equalize received samples. An equalizer equalizes a multidimensional signal transmitted over a communication channel and having a dimensionality of four or higher. The equalizer is adaptively trained based on an optimality criterion. | 05-03-2012 |
20130251379 | ADAPTIVE EQUALIZATION IN COHERENT FIBER OPTIC COMMUNICATION - An embodiment of the invention is a technique to equalize received samples. A coefficient generator generates filter coefficients using an error vector and input samples. A filter stage generates equalized samples from input samples using the filter coefficients. The received samples are provided by a receiver front end in an optical transmission channel carrying transmitted symbols. Other embodiments are also described. | 09-26-2013 |
20150098710 | High-Speed Receiver Architecture - A receiver (e.g., for a 10G fiber communications link) includes an interleaved ADC coupled to a multi-channel equalizer that can provide different equalization for different ADC channels within the interleaved ADC. That is, the multi-channel equalizer can compensate for channel-dependent impairments. In one approach, the multi-channel equalizer is a feedforward equalizer (FFE) coupled to a Viterbi decoder, for example a sliding block Viterbi decoder (SBVD); and the FFE and/or the channel estimator for the Viterbi decoder are adapted using the LMS algorithm. | 04-09-2015 |
Patent application number | Description | Published |
20090131157 | MACHINE HAVING A CARD PROCESSING ASSEMBLY - A machine having a card processing assembly. The machine has a plurality of card holders connectable to the card processing assembly. One card holder is configured to hold data cards associated with one condition. At least one other card holder is configured to hold data cards associated with another condition. | 05-21-2009 |
20110233273 | MACHINE HAVING A CARD PROCESSING ASSEMBLY - A machine having a card processing assembly. The card processing assembly has a card drive and a heating device. The heating device is operable to cause a human-readable symbol to be viewable on a data card. | 09-29-2011 |
20110243631 | MACHINE HAVING A CARD PROCESSING ASSEMBLY - A machine having a card processing assembly. The card processing assembly has a card drive and a heating device. The heating device is operable to cause a human-readable symbol to be viewable on a data card. | 10-06-2011 |
20120064966 | MACHINE HAVING A CARD PROCESSING ASSEMBLY - A machine having a card processing assembly. The machine has a plurality of card holders connectable to the card processing assembly. One card holder is configured to hold data cards associated with one condition. At least one other card holder is configured to hold data cards associated with another condition. | 03-15-2012 |
20120302325 | MACHINE HAVING A CARD PROCESSING ASSEMBLY - A machine having a card processing assembly. The card processing assembly has a card drive and a heating device. The heating device is operable to cause a human-readable symbol to be viewable on a data card. | 11-29-2012 |
Patent application number | Description | Published |
20090163270 | PRINTER INTERPRETER FOR A GAMING MACHINE - Methods and systems for issuing cashless instruments and providing a printer interpreter for a gaming machine are disclosed. A printer and specialized printer interpreter (controller) are provided to facilitate the conversion of a specific credit amount to a currency amount in differing units (first form of currency), and the subsequent issuance of a cashless instrument reflecting that currency amount. Where the printer interpreter is reconfigurable, a second currency amount in different units (second form of currency) could also be selected. Multiple different currencies and their corresponding languages can be available to the printer interpreter, such that a given credit amount can be issued to a cashless instrument in one of many different currencies. Game execution operations of the MGC are isolated from the printer interpreter, such that recertification of the gaming machine or system is not necessary when reconfiguring the printer interpreter from one form of currency to another. | 06-25-2009 |
20100248814 | GAMING MACHINE SECURITY INTERFACE MODULE - A gaming machine includes an electronic gaming module which includes a game controller, and also includes a separate security interface module which monitors door switches and various devices. The security interface module has a separate unswitched power supply and also has a separate communication connection with a backend system so that it can continue to communicate with a backend system even when the electronic gaming module is powered down. | 09-30-2010 |
20120009990 | PRINTER INTERPRETER FOR A GAMING MACHINE - Methods and systems for issuing cashless instruments and providing a printer interpreter for a gaming machine are disclosed. A printer and specialized printer interpreter (controller) are provided to facilitate the conversion of a specific credit amount to a currency amount in differing units (first form of currency), and the subsequent issuance of a cashless instrument reflecting that currency amount. Where the printer interpreter is reconfigurable, a second currency amount in different units (second form of currency) could also be selected. Multiple different currencies and their corresponding languages can be available to the printer interpreter, such that a given credit amount can be issued to a cashless instrument in one of many different currencies. Game execution operations of the MGC are isolated from the printer interpreter, such that recertification of the gaming machine or system is not necessary when reconfiguring the printer interpreter from one form of currency to another. | 01-12-2012 |
20120142412 | GAMING MACHINE SECURITY INTERFACE MODULE - A gaming machine includes an electronic gaming module which includes a game controller, and also includes a separate security interface module which monitors door switches and various devices. The security interface module has a separate unswitched power supply and also has a separate communication connection with a backend system so that it can continue to communicate with a backend system even when the electronic gaming module is powered down. | 06-07-2012 |
20140162761 | COMMUNITY GAMING EXPERIENCE - A gaming environment may provide a user with a community gaming experience by providing, via a first interface at a first gaming machine, a display of a wagering game to a first player; determining an initial game outcome for a play of the wagering game by the first player, wherein the initial game outcome is a losing game outcome; based on the losing game outcome by the first player, receiving, from a second player, a selection of an option to wager on a final game outcome, the final game outcome being based in part on the losing game outcome; displaying, via a second interface at a second gaming machine, the final game outcome to the second player; and providing an award to the second player based on the final game outcome. | 06-12-2014 |
20150102557 | REEL BASKET ASSEMBLY - A reel assembly for a gaming machine includes an inner drive ring defining an annular inner rim, an outer ring, and a support substrate. The outer ring is spaced from and coaxially positioned relative to the inner drive ring, and the outer ring defines an annular outer rim. The support substrate has opposing side edges each coupled to a different one of the annular inner rim and the annular outer rim. The support substrate extends substantially unsupported between the annular inner rim and the annular outer rim in a substantially continuous manner maintaining the annular inner rim spaced from the annular out rim. | 04-16-2015 |
20150102559 | REEL BASKET ENCODER - A motorized reel assembly for a gaming machine includes a reel assembly, and an encoder disc. The reel assembly includes a central hub defining a central opening and a pair of flange-receiving apertures on opposing sides of the central opening. The encoder disc includes a disc hub, a flagged exterior ring, and coupling flanges. The disc hub defines a disc cavity extending through a center of the disc hub. The flagged exterior ring is concentrically positioned and extends around the disc hub. The coupling flanges each protrude from the disc hub toward the central hub on opposite sides of the disc cavity. Each of the coupling flanges extends through a different flange-receiving aperture of the pair of flange-receiving apertures of the central hub and interfaces with a surface of the reel assembly facing away from the disc hub to at least partially secure the encoder disc to the reel assembly. | 04-16-2015 |
20150105149 | LIGHTING ASSEMBLY FOR REEL SLOT MACHINE - A lighting assembly for a reel slot machine includes an interface board and a flexible printed circuit board (PCB). The interface board is substantially planar, electrically couplable to the reel slot machine, and includes a first electrical connection plug and a second electrical connection plug spaced from the first electrical connection plug. The flexible PCB defines a first end and a second end, the first end and second ends of the flexible PCB are electrically coupled to the first electrical connection plug and the second electrical connection plug, respectively. The flexible PCB bows away from each of the first and second ends to define a bowed primary face facing away from the interface board. The flexible PCB further comprises a plurality of light sources coupled to the bowed primary face. During use, the plurality of light sources selectively illuminate to provide lighting to a reel of the reel slot machine. | 04-16-2015 |
Patent application number | Description | Published |
20110060283 | IMPLANTABLE PUMP WITH RESERVOIR LEVEL DETECTOR - An implantable pump includes a base plate and a can that are parts of the pump housing. The base plate bottom divides the housing into a first electronics chamber and a second chamber. A bellows mechanism is connected to the base plate and is disposed within the second chamber. The bellow mechanism has an expandable sidewall and a bottom plate. The bellow mechanism divides the second chamber into a medicament receiving portion and a non-medicament-receiving portion. The bellow mechanism has an intermediate plate disposed within the medicament-receiving portion. A coil is disposed in a recess on the lower surface of the base plate, and the coil is spaced from an internal wall of the recess. The amount of fluid remaining in the implantable pump can be monitored by energizing the coil. A primary magnetic field is generated by the energized coil. A secondary magnetic field, which is dependant on the position of the bottom and intermediate plate of the bellow mechanism, couples back to the primary field affecting the electrical characteristics of the coil. The amount of fluid remaining in the reservoir is determined based on the resulting changes in the electrical characteristics of the coil. | 03-10-2011 |
20110209553 | Apparatus and method for minimizing drift of a piezo-resistive pressure sensors due to progressive release of mechanical stress over time - An absolute piezo-resistive pressure sensor system and method employing multiple pressure sensing elements operating simultaneously to detect pressure. Both pressure sensing elements being subject to a common reference pressure within a sealed cavity. The first pressure sensing element detecting an offset voltage resulting from the progressive release of mechanical stress at an assembly interface between the sensing element and a base plate on which the sensing elements are assembled. Electronic circuitry compensates the pressure measured by the second pressure sensing element based on the offset voltage detected by the first pressure sensing element. | 09-01-2011 |
20120150356 | Flow Rate Accuracy of a Fluidic Delivery System - Improving the accuracy of the flow rate of a valve in a fiuidic delivery device in which a desired flow rate may be achieved by varying the duty cycle of the valve. The flow rate of fluid delivery from the valve over its lifetime is stabilized by minimizing the voltage OPENING time of the valve to account for valve and piezoelectric actuator drift. Also, the valve OPENING time of one or more fiuidic parameters that impact on the flow rate delivery by the valve and differ among fiuidic delivery devices is compensated to optimize the flow rate accuracy. | 06-14-2012 |
20120247227 | Monitoring and Recording Implantable Silicon Active Pressure Transducer - An implantable active pressure transducer including a pressure sensing element and associated sensor circuitry together enclosed within an innermost glass packaging. The pressure sensing element is anodically bonded to the innermost packaging substantially aligned with an opening defined therein. An outermost biocornpatible metal packaging forms a cavity divided into first and second chambers by an intermediate partition. The innermost packaging is disposed within the first chamber without physically directly contacting or being fixed to the outermost packaging. A barrier plate is hermetically sealed to the intermediate partition to hermetically isolate the battery and communication circuitry from a pressure transmitting fluid. Inductive coupling is used to communicate data detected by the pressure sensing element internally within the implant. | 10-04-2012 |
20120283703 | Flow Rate Accuracy of a Fluidic Delivery System - Improving the accuracy of the flow rate of a valve in a fluidic delivery device in which a desired flow rate may be achieved by varying the duty cycle of the valve. The flow rate of fluid delivery from the valve over its lifetime is stabilized by minimizing the voltage OPENING time of the valve to account for valve and piezoelectric actuator drift. Also, the valve OPENING time of one or more fluidic parameters that impact on the flow rate delivery by the valve and differ among fluidic delivery devices is compensated to optimize the flow rate accuracy. | 11-08-2012 |
20130096538 | IMPLANTABLE PUMP WITH RESERVOIR LEVEL DETECTOR - An implantable pump includes a base plate and a can that are parts of the pump housing. The base plate bottom divides the housing into a first electronics chamber and a second chamber. A bellows mechanism is connected to the base plate and is disposed within the second chamber. The bellow mechanism has an expandable sidewall and a bottom plate. The bellow mechanism divides the second chamber into a medicament receiving portion and a non-medicament-receiving portion. The bellow mechanism has an intermediate plate disposed within the medicament-receiving portion. A coil is disposed in a recess on the lower surface of the base plate, and the coil is spaced from an internal wall of the recess. The amount of fluid remaining in the implantable pump can be monitored by energizing the coil. A primary magnetic field is generated by the energized coil. A secondary magnetic field, which is dependant on the position of the bottom and intermediate plate of the bellow mechanism, couples back to the primary field affecting the electrical characteristics of the coil. The amount of fluid remaining in the reservoir is determined based on the resulting changes in the electrical characteristics of the coil. | 04-18-2013 |
20130125659 | Apparatus and Method for Minimizing Drift of a Piezo-Resistive Pressure Sensor Due to the Progressive Release of Mechanical Stress Over Time - An absolute piezo-resistive pressure sensor system and method employing multiple pressure sensing elements operating simultaneously to detect pressure. Both pressure sensing elements being subject to a common reference pressure within a sealed cavity. The first pressure sensing element detecting an offset voltage resulting from the progressive release of mechanical stress at an assembly interface between the sensing element and a base plate on which the sensing elements are assembled. Electronic circuitry compensates the pressure measured by the second pressure sensing element based on the offset voltage detected by the first pressure sensing element. | 05-23-2013 |
20150045850 | DEVICES AND METHODS FOR THE TREATMENT OF METABOLIC DISORDERS - An implantable system for stimulating the release of satiety hormone in a subject comprises a stimulus device ( | 02-12-2015 |