Patents by Inventor Hakan Yalcin
Hakan Yalcin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8745561Abstract: A system and method are provided for common path pessimism removal or reduction (CPPR) in a timing database provided to guide transformative physical optimization/correction of a circuit design for an IC product to remedy operational timing violations detected in the circuit design. Pessimism is reduced through generation of a common path pessimism removal (CPPR) tree structure of branching nodes, and operational timing characteristics of each node. The CPPR tree structure is used to avoid exponential phases propagating in an exploratory manner through the system design, as well as the resultant memory footprint thereof. Additionally, back-tracing node-by-node through the circuit design for each and every launch and capture flip flop pair end point through each possible path thereof is avoided.Type: GrantFiled: August 1, 2013Date of Patent: June 3, 2014Assignee: Cadence Design Systems, Inc.Inventors: Vibhor Garg, Krishna Belkhale, Pawan Kulshreshtha, Hakan Yalcin
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Patent number: 7994465Abstract: TOF and color sensing detector structures have x-axis spaced-apart y-axis extending finger-shaped gate structures with adjacent source collection regions. X-dimension structures are smaller than y-dimension structure and govern performance, characterized by high x-axis electric fields and rapid charge movement, contrasted with lower y-axis electric fields and slower charge movement. Preferably a potential barrier is implanted between adjacent gates and a bias gate is formed intermediate a gate and associated source region. For color detection sensor devices, gate bias voltage signals VA, VB coupled to the finger-shaped gate structures are high during sub-integration periods t1 and are low during a shorter charge movement period t2. In one embodiment, alternate finger-shaped gate structures preferable have different high magnitude sub-integration period voltages that enable detected ambient optical energy of different wavelengths to be discerned.Type: GrantFiled: March 28, 2008Date of Patent: August 9, 2011Assignee: Microsoft CorporationInventors: Cyrus Bamji, Hakan Yalcin
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Patent number: 7963461Abstract: Disclosed is a fuel injection nozzle comprising a cooling duct (6) that is disposed in the final region of a housing (1), which faces the combustion chamber. In order to cool the zones that are subjected to high thermal stress, the cooling duct (6) is positioned closer to the bore (2) of the valve needle than to the external face of the housing (1) and is provided with a cross-sectional area that has a width corresponding to no more than the height which extends in the axial direction of the nozzle.Type: GrantFiled: May 28, 2004Date of Patent: June 21, 2011Assignee: MAN B&W Diesel AGInventors: Dirk Köthen, Gertrud Meggenrieder, Dietmar Pinkernell, Andreas Stichnoth, Hakan Yalcin
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Patent number: 7936449Abstract: Rapid calibration of a TOF system uses a stationary target object and electrically introduces phase shift into the TOF system to emulate target object relocation. Relatively few parameters suffice to model a parameterized mathematical representation of the transfer function between measured phase and Z distance. The phase-vs-distance model is directly evaluated during actual run-time operation of the TOF system. Preferably modeling includes two components: electrical modeling of phase-vs-distance characteristics that depend upon electrical rather than geometric characteristics of the sensing system, and elliptical modeling that phase-vs-distance characteristics that depending upon geometric rather than electrical characteristics of the sensing system.Type: GrantFiled: May 18, 2010Date of Patent: May 3, 2011Assignee: Microsoft CorporationInventors: Cyrus Bamji, Hakan Yalcin
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Patent number: 7719662Abstract: Rapid calibration of a TOF system uses a stationary target object and electrically introduces phase shift into the TOF system to emulate target object relocation. Relatively few parameters suffice to model a parameterized mathematical representation of the transfer function between measured phase and Z distance. The phase-vs-distance model is directly evaluated during actual run-time operation of the TOF system. Preferably modeling includes two components: electrical modeling of phase-vs-distance characteristics that depend upon electrical rather than geometric characteristics of the sensing system, and elliptical modeling that phase-vs-distance characteristics that depending upon geometric rather than electrical characteristics of the sensing system.Type: GrantFiled: December 30, 2008Date of Patent: May 18, 2010Assignee: Canesta, Inc.Inventors: Cyrus Bamji, Hakan Yalcin
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Patent number: 7647220Abstract: A high accuracy method for transistor-level static timing analysis is disclosed. Accurate static timing verification requires that individual gate and interconnect delays be accurately calculated. At the sub-micron level, calculating gate and interconnect delays using delay models can result in reduced accuracy. Instead, the proposed method calculates delays through numerical integration using an embedded circuit simulator. It takes into account short circuit current and carefully chooses the set of conditions that results in a tight upper bound of the worst case delay for each gate. Similar repeating transistor configurations of gates in the circuit are automatically identified and a novel interpolation based caching scheme quickly computes gate delays from the delays of similar gates. A tight object code level integration with a commercial high speed transistor-level circuit simulator allows efficient invocation of the simulation.Type: GrantFiled: October 18, 2001Date of Patent: January 12, 2010Assignee: Cadence Design Systems, Inc.Inventors: Pawan Kulshreshtha, Robert J. Palermo, Mohammad Mortazavi, Cyrus Bamji, Hakan Yalcin
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Publication number: 20090115995Abstract: Rapid calibration of a TOF system uses a stationary target object and electrically introduces phase shift into the TOF system to emulate target object relocation. Relatively few parameters suffice to model a parameterized mathematical representation of the transfer function between measured phase and Z distance. The phase-vs-distance model is directly evaluated during actual run-time operation of the TOF system. Preferably modeling includes two components: electrical modeling of phase-vs-distance characteristics that depend upon electrical rather than geometric characteristics of the sensing system, and elliptical modeling that phase-vs-distance characteristics that depending upon geometric rather than electrical characteristics of the sensing system.Type: ApplicationFiled: December 30, 2008Publication date: May 7, 2009Applicant: Canesta, Inc.Inventors: Cyrus Bamji, Hakan Yalcin
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Patent number: 7471376Abstract: Rapid calibration of a TOF system uses a stationary target object and electrically introduces phase shift into the TOF system to emulate target object relocation. Relatively few parameters suffice to model a parameterized mathematical representation of the transfer function between measured phase and Z distance. The phase-vs-distance model is directly evaluated during actual run-time operation of the TOF system. Preferably modeling includes two components: electrical modeling of phase-vs-distance characteristics that depend upon electrical rather than geometric characteristics of the sensing system, and elliptical modeling that phase-vs-distance characteristics that depending upon geometric rather than electrical characteristics of the sensing system.Type: GrantFiled: July 6, 2007Date of Patent: December 30, 2008Assignee: Canesta, Inc.Inventors: Cyrus Bamji, Hakan Yalcin
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Patent number: 7352454Abstract: TOF and color sensing detector structures have x-axis spaced-apart y-axis extending finger-shaped gate structures with adjacent source collection regions. X-dimension structures are smaller than y-dimension structure and govern performance, characterized by high x-axis electric fields and rapid charge movement, contrasted with lower y-axis electric fields and slower charge movement. Preferably a potential barrier is implanted between adjacent gates and a bias gate is formed intermediate a gate and associated source region. Resultant detector structures can be operated at the more extreme gate voltages that are desirable for high performance.Type: GrantFiled: February 6, 2006Date of Patent: April 1, 2008Assignee: Canesta, Inc.Inventors: Cyrus Bamji, Hakan Yalcin
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Patent number: 7346872Abstract: A system and method for performing a timing analysis on virtual component blocks or other circuit models is provided wherein functional information obtained from the circuit's control inputs and their useful combinations is used to improve accuracy. The control inputs and data inputs for a circuit block are identified. Each functionally meaningful or useful control input combination is applied to the circuit block, and the topological delay for the data inputs are determined only along the paths that are not blocked by the control inputs. The delays along paths that are blocked are ignored. The analysis is further augmented by determining the topological delay for all paths originating at control inputs, without regard to blocking of paths, so as to reduce the chance for possible underestimation of delays from the data inputs.Type: GrantFiled: September 24, 2002Date of Patent: March 18, 2008Assignee: Cadence Design Systems, Inc.Inventors: Hakan Yalcin, Robert J. Palmero, Karem A. Sakallah, Mohammad S. Mortazavi, Cyrus Bamji
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Publication number: 20080007709Abstract: Rapid calibration of a TOF system uses a stationary target object and electrically introduces phase shift into the TOF system to emulate target object relocation. Relatively few parameters suffice to model a parameterized mathematical representation of the transfer function between measured phase and Z distance. The phase-vs-distance model is directly evaluated during actual run-time operation of the TOF system. Preferably modeling includes two components: electrical modeling of phase-vs-distance characteristics that depend upon electrical rather than geometric characteristics of the sensing system, and elliptical modeling that phase-vs-distance characteristics that depending upon geometric rather than electrical characteristics of the sensing system.Type: ApplicationFiled: July 6, 2007Publication date: January 10, 2008Inventors: Cyrus Bamji, Hakan Yalcin
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Publication number: 20060124765Abstract: Disclosed is a fuel injection nozzle comprising a cooling duct (6) that is disposed in the final region of a housing (1), which faces the combustion chamber. In order to cool the zones that are subjected to high thermal stress, the cooling duct (6) is positioned closer to the bore (2) of the valve needle than to the external face of the housing (1) and is provided with a cross-sectional area that has a width corresponding to no more than the height which extends in the axial direction of the nozzle.Type: ApplicationFiled: May 28, 2004Publication date: June 15, 2006Inventors: Dirk Kothen, Gertrud Meggenrieder, Dietmar Pinkernell, Andreas Stichnoth, Hakan Yalcin
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Publication number: 20060128087Abstract: TOF and color sensing detector structures have x-axis spaced-apart y-axis extending finger-shaped gate structures with adjacent source collection regions. X-dimension structures are smaller than y-dimension structure and govern performance, characterized by high x-axis electric fields and rapid charge movement, contrasted with lower y-axis electric fields and slower charge movement. Preferably a potential barrier is implanted between adjacent gates and a bias gate is formed intermediate a gate and associated source region. Resultant detector structures can be operated at the more extreme gate voltages that are desirable for high performance.Type: ApplicationFiled: February 6, 2006Publication date: June 15, 2006Inventors: Cyrus Bamji, Hakan Yalcin
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Patent number: 6938880Abstract: The injection valve has a housing, a nozzle body and a clamping nut connected to the housing that contacts the nozzle body with first contact surface (9) acting on a second contact surface (10), whereby the clamping nut clamps the nozzle body against the housing. The first or second contact surface has a curvature (24) towards the second or first contact surface and the both contact surfaces are in contact in the area of the curvature.Type: GrantFiled: May 27, 2004Date of Patent: September 6, 2005Assignee: Siemens AktiengesellschaftInventors: Olaf Enke, Günter Lewentz, Alwin Perras, Andreas Voigt, Hakan Yalcin
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Patent number: 6919549Abstract: Effective differential dynamic range in a differential pixel detector is increased by avoiding saturation effects due to common mode contribution in optical energy to be detected. Photocurrent generated by each photodetector pair is directly integrated by an associated capacitor over an integration time T. Within time T, before either integrated capacitor voltage reaches Vsat for the photodetector, at least one of the capacitors is reset to a voltage such that the desired differential detector signal is still determinable. Reset may be generated externally or internally to the differential pixel detector.Type: GrantFiled: April 12, 2004Date of Patent: July 19, 2005Assignee: Canesta, Inc.Inventors: Cyrus Bamji, Hakan Yalcin, Xinqiao Liu, Ender Tunc Eroglu
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Publication number: 20050051707Abstract: Effective differential dynamic range in a differential pixel detector is increased by avoiding saturation effects due to common mode contribution in optical energy to be detected. Photocurrent generated by each photodetector pair is directly integrated by an associated capacitor over an integration time T. Within time T, before either integrated capacitor voltage reaches Vsat for the photodetector, at least one of the capacitors is reset to a voltage such that the desired differential detector signal is still determinable. Reset may be generated externally or internally to the differential pixel detector.Type: ApplicationFiled: April 12, 2004Publication date: March 10, 2005Inventors: Cyrus Bamji, Hakan Yalcin, Xinqiao Liu, Ender Eroglu
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Publication number: 20040217321Abstract: The injection valve has a housing, a nozzle body and a clamping nut connected to the housing that contacts the nozzle body with first contact surface (9) acting on a second contact surface (10), whereby the clamping nut clamps the nozzle body against the housing. The first or second contact surface has a curvature (24) towards the second or first contact surface and the both contact surfaces are in contact in the area of the curvature.Type: ApplicationFiled: May 27, 2004Publication date: November 4, 2004Inventors: Olaf Enke, Gunter Lewentz, Alwin Perras, Andreas Voigt, Hakan Yalcin
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Patent number: 6799748Abstract: The injection valve has a housing, a nozzle body and a clamping nut connected to the housing that contacts the nozzle body with first contact surface (9) acting on a second contact surface (10), whereby the clamping nut clamps the nozzle body against the housing. The first or second contact surface has a curvature (24) towards the second or first contact surface and the both contact surfaces are in contact in the area of the curvature.Type: GrantFiled: October 14, 2002Date of Patent: October 5, 2004Assignee: Siemens AktiengesellschaftInventors: Olaf Enke, Günter Lewentz, Alwin Perras, Andreas Voigt, Hakan Yalcin
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Patent number: 6760894Abstract: A method and mechanism for performing a timing analysis on virtual component blocks, which is an abstraction of a circuit block is provided. A set of modes for a circuit block are identified, where a mode is a set of meaningful control input values. Each functionally meaningful or useful control input combination is applied to the circuit block. For each control input combination applied, a delay for each data input/output path and each control input/output path not passing through a blocked circuit node for the applied combination of control inputs is calculated. The delay information for the data paths and control paths is stored within a timing model. The delay information may include a maximum or minimum delay for the circuit block. The timing of sequential circuit blocks may also characterized using the methods and mechanisms herein.Type: GrantFiled: June 14, 2002Date of Patent: July 6, 2004Assignee: Cadence Design Systems, Inc.Inventors: Hakan Yalcin, Cyrus S. Bamji, Mohammad S. Mortazavi, Robert J. Palermo
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Publication number: 20040056119Abstract: A fuel injection valve comprising a nozzle body (8) having a nozzle body seat (18), and a nozzle needle (2) is disclosed which is guided into the nozzle body (8) in a sealed manner and which comprises a nozzle needle shaft (6) and a nozzle needle seat (12). The nozzle body seat (18) and the nozzle needle seat (12) together form a sealed seat (20). A gap (28) is provided between the sealed seat (20) and the nozzle needle shaft (6). An outer surface (25) of the nozzle needle (2) extends in the region of the gap (28) essentially parallel to an inner surface (26) of the nozzle body (8).Type: ApplicationFiled: August 5, 2003Publication date: March 25, 2004Inventors: Andreas Fath, Wendelin Klugl, Eberhard Kull, Hakan Yalcin