IP Library › Assignment 007986/0878
Patent Assignment
Reel/Frame 007986/0878

Security Interest

Recorded: 1996-05-14 Pages: 39
Assignor
CRYSTAL SEMICONDUCTOR CORPORATION
Executed: 1996-04-30
Assignee
BANK OF AMERICA NATIONAL TRUST & SAVINGS ASSOCIATION, AS AGENT
1455 MARKET STREET, SAN FRANCISCO, CALIFORNIA, 94103
Covered Properties (53)
Self-Calibration Method for Capacitors in a Monolithic Integrated Circuit
Patent: 4,709,225 →
Application: 06/809,530 →
Switched-Capacitor Filter Having Digitally-Programmable Capacitive Element
Patent: 4,849,662 →
Application: 06/851,805 →
Method for Reducing Effects of Electrical Noise in an Analog-to-Digital Converter
Patent: 4,746,899 →
Application: 06/916,160 →
Method and Circuitry for Generating Reference Voltages
Patent: 4,804,863 →
Application: 06/929,711 →
Quasi Auto-Zero Circuit for Sampling Amplifiers
Patent: 4,748,418 →
Application: 06/929,984 →
Clock Multiplier/Jitter Attenuator
Patent: 4,805,198 →
Application: 07/051,985 →
Gain Scaling of Oversampled Analog-to-Digital Converters
Patent: 4,851,841 →
Application: 07/104,439 →
Digitally Calibrated Delta-Sigma Analog-to-Digital Converter
Patent: 4,943,807 →
Application: 07/180,889 →
Conductor Composition and Method of Manufacturing a Ceramic Multilayer Structure Using the Same
Patent: 4,877,555 →
Application: 07/180,899 →
Chopper Stabilized Delta-Sigma Analog-to-Digital Converter
Patent: 4,939,516 →
Application: 07/205,996 →
Compensated Capacitors for Switched Capacitor Input of an Analog-to-Digital Converter
Patent: 4,918,454 →
Application: 07/257,477 →
Clock Multiplier/Jitter Attenuator
Patent: 5,150,386 →
Application: 07/308,326 →
Linear Jitter Attenuator
Patent: 4,941,156 →
Application: 07/327,027 →
Low Power Output Stage Circuitry in an Amplifier
Patent: 4,988,954 →
Application: 07/345,320 →
Combining Continuous Time and Discrete Time Signal Processing in a Delta-Sigma Modulator
Patent: 5,079,550 →
Application: 07/428,396 →
Combining Fully-Differential and Single-Ended Signal Processing in a Delta-Sigma Modulator
Patent: 5,068,660 →
Application: 07/428,397 →
Delta-Sigma Analog-to-Digital Converter with Chopper Stabilization at the Sampling Frequency
Patent: 5,039,989 →
Application: 07/429,211 →
Method and Apparatus for Synchronizing an Optical Transceiver Over a Full Duplex Data Communication Channel
Patent: 5,111,451 →
Application: 07/429,213 →
Delta-Sigma Modulator with Oscillation Detect and Reset Circuit
Patent: 5,012,244 →
Application: 07/429,214 →
Linear Channel Bandwidth Calibration Circuit
Patent: 5,088,107 →
Application: 07/429,225 →
Compensated Capacitors for Switched Capacitor Input of an Analog-to- Digital Converter
Patent: 5,208,597 →
Application: 07/455,171 →
Dc Calibration System for a Digital-to-Analog Converter
Patent: 5,087,914 →
Application: 07/571,375 →
Phase Equalization System for a Digital-to-Analog Converter Utilizing Separate Digital and Analog Sections
Patent: 5,061,925 →
Application: 07/571,376 →
Slew Rate Enhanced Linear Amplifier
Patent: 5,140,279 →
Application: 07/621,471 →
Compensation for a Feedback Amplifier with Current Output Stage
Patent: 5,117,200 →
Application: 07/621,475 →
Method for Tone Avoidance in Delta-Sigma Converters
Patent: 5,055,846 →
Application: 07/622,369 →
Amplifier with Controlled Output Impedance
Patent: 5,121,080 →
Application: 07/633,478 →
Low Distortion Amplifier Output Stage for Dac
Patent: 5,198,782 →
Application: 07/641,182 →
High Order Switched-Capacitor Filter with Dac Input
Patent: 5,245,344 →
Application: 07/641,183 →
Low Distortion Unity Gain Amplifier for Dac
Patent: 5,239,210 →
Application: 07/642,280 →
Quantizer and Related Method for Improving Linearity
Patent: 5,157,397 →
Application: 07/646,317 →
Dac Shutdown for Low Power Supply Condition
Patent: 5,258,758 →
Application: 07/648,791 →
Ratiometric a/D Converter with Non-Rationometric Error Offset
Patent: 5,172,115 →
Application: 07/717,981 →
Input Sampling Switch Charge Conservation
Patent: 5,187,390 →
Application: 07/729,355 →
Method and Circuitry for Decreasing the Recovery Time of an Mos Differential Voltage Comparator
Patent: 5,247,210 →
Application: 07/737,558 →
Low Precision Finite Impulse Response Filter for Digital Interpolation
Patent: 5,212,659 →
Application: 07/773,044 →
Offset Calibration of a Dac Using a Calibrated Adc
Patent: 5,248,970 →
Application: 07/790,574 →
Fourth Order Digital Delta-Sigma Modulator
Patent: 5,196,850 →
Application: 07/791,977 →
Tri-Level Capacitor Structure in Switched-Capacitor Filter
Patent: 5,220,483 →
Application: 07/821,034 →
Delta-Sigma Modulator for an Analog-to-Digital Converter with Low Thermal Noise Performance
Patent: 5,274,375 →
Application: 07/870,059 →
Method and Apparatus for Calibrating a Multi-Bit Delta-Sigma Modulator
Patent: 5,257,026 →
Application: 07/870,270 →
Analog-To-Digital Converter with a Continuously Calibrated Voltage Reference
Patent: 5,319,370 →
Application: 07/937,642 →
Method and Apparatus for Calibration of a Monolithic Voltage Reference
Patent: 5,440,305 →
Application: 07/937,993 →
Detent Switching of Summing Node Capacitors of a Delta-Sigma Modulator
Patent: 5,351,050 →
Application: 07/970,693 →
Low Drift Resistor Structure for Amplifiers
Patent: 5,319,319 →
Application: 08/018,020 →
Low Drift Resistor Structure
Patent: 5,268,651 →
Application: 08/018,358 →
Dense Offset Calibration Circuitry and Method
Patent: 5,397,944 →
Application: 08/045,855 →
Integrated Voltage Divider and Circuit Employing an Integrated Voltage Divider
Patent: 5,339,067 →
Application: 08/060,431 →
One-Bit Switched-Capacitor D/a Circuit with Continuous Time Linearity
Patent: 5,376,936 →
Application: 08/078,591 →
Compound Triple Cascoded Mirror
Patent: 5,412,348 →
Application: 08/087,842 →
Amplifier with Input Common Mode Compensation
Patent: 5,475,323 →
Application: 08/186,787 →
Switched-Capacitor Integrator with Chopper Stabilization Performed at the Sampling Rate
Patent: 5,477,481 →
Application: 08/221,985 →
Low Power Class-Ab Integrated Circuit Amplifier
Patent: 5,497,122 →
Application: 08/377,529 →
Related Assignments (24)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Mar 6, 1986
From: WELLAND, DAVID R.; CALLAHAN, MICHAEL J.
To: CRYSTAL SEMICONDUCTOR CORPORATION
Reel/Frame 004520/0082 →
Assignment of Assignors Interest. Apr 14, 1986
From: HOLBERG, DOUGLAS R.; SWANSON, ERIC J.
To: CRYSTAL SEMICONDUCTOR CORPORATION
Reel/Frame 004541/0785 →
Assignment of Assignors Interest. Jul 8, 1987
From: STERN, KENNETH J.; SOOCH, NAVDEEP S.; HEIN, JERRELL P.
To: CRYSTAL SEMICONDUCTOR CORPORATION, 2024 E. SAINT ELMO RD., AUSTIN, TX 78744
Reel/Frame 004990/0659 →
Assignment of Assignors Interest. Oct 2, 1987
From: SOOCH, NAVDEEP S.
To: CRYSTAL SEMICONDUCTOR CORPORATION, 2024 EAST SAINT ELMO ROAD AUSTIN, TEXAS 78744
Reel/Frame 004793/0968 →
Assignment of Assignors Interest. Apr 13, 1988
From: EARLY, ADRIAN B.; HARRIS, LARRY L.; CALLAHAN, MICHAEL J. JR.
To: CRYSTAL SEMICONDUCTOR CORPORATION, A DE. CORP.
Reel/Frame 004880/0366 →
Assignment of Assignors Interest. Apr 13, 1988
From: YUHAKU, SATORU; NAKATANI, SEIICHI; NISHIMURA, TUTOMU
To: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Reel/Frame 004898/0619 →
Assignment of Assignors Interest. Jun 13, 1988
From: EARLY, ADRIAN B.
To: CRYSTAL SEMICONDUCTOR
Reel/Frame 005024/0959 →
Assignment of Assignors Interest. Dec 5, 1988
From: EARLY, ADRIAN B.; SCOTT, BAKER P. L. III
To: CRYSTAL SEMICONDUCTOR, 4120 S. INDUSTRIAL DRIVE, P.O. BOX 17847, AUSTIN, TX 78760
Reel/Frame 004989/0318 →
Assignment of Assignors Interest. Apr 24, 1989
From: STERN, KENNETH J.; BECK, JOHN A.
To: CRYSTAL SEMICONDUCTOR CORPORATION
Reel/Frame 005066/0867 →
Security Interest May 1, 1989
From: CRYSTAL SEMICONDUCTOR CORPORATION
To: CASH, H. BERRY
Reel/Frame 005072/0590 →
Assignment of Assignors Interest. Jun 26, 1989
From: STERN, KENNETH J.; BILY, STEPHEN F.
To: CRYSTAL SEMICONDUCTOR CORPORATION
Reel/Frame 005123/0395 →
Released by Secured Party Security Agreement Recorded on Reel 5072 Frame 0590 Jan 2, 1990
From: CASH, H. BERRY, 13355 NOEL RD., STE. 1375/LB65, DALLAS, TX. 75240
To: CRYSTAL SEMICONDUCTOR CORPORATION, 4210 S. INDUSTRIAL DR., AUSTIN, TX. 78744
Reel/Frame 005203/0334 →
Assignment of Assignors Interest. Jan 10, 1990
From: CRYSTAL SEMICONDUCTOR CORPORATION
To: TECHNOLOGY FUNDING SECURED INVESTORS, A CA LIMITED PARTNERSHIP
Reel/Frame 005323/0555 →
Assignment of Assignors Interest. Jan 19, 1990
From: PLASECKI, DOUGLAS S.; SWANSON, ERIC J.; HERSHBARGER, RUSSELL A.
To: CRYSTAL SEMICONDUCTOR
Reel/Frame 005225/0448 →
Assignment of Assignors Interest. Jan 26, 1990
From: PIASECKI, DOUGLAS S.; SWANSON, ERIC J.
To: CRYSTAL SEMICONDUCTOR
Reel/Frame 005225/0642 →
Assignment of Assignors Interest. Jan 30, 1990
From: SOOCH, NAVDEEP S.; KERTH, DONALD A.; DEL SIGNORE, BRUCE P.; SWANSON, ERIC J.
To: CRYSTAL SEMICONDUCTOR CORPORATION
Reel/Frame 005226/0978 →
Assignment of Assignors Interest. Jan 30, 1990
From: SWANSON, ERIC J.; DEL SIGNORE, BRUCE P.
To: CRYSTAL SEMICONDUCTOR CORPORATION
Reel/Frame 005226/0975 →
Assignment of Assignors Interest. Mar 5, 1990
From: WELLAND, DAVID REID; DEL SIGNORE, BRUCE PHILIP; KERTH, DONALD ALLAN
To: CRYSTAL SEMICONDUCTOR CORPORATION
Reel/Frame 005248/0933 →
Assignment of Assignors Interest. Oct 26, 1990
From: SOOCH, NAVDEEP S.; SCOTT, JEFFREY W.; TANAKA, TADASHI
To: CRYSTAL SEMICONDUCTOR CORPORATION
Reel/Frame 005502/0435 →
Assignment of Assignors Interest. Oct 26, 1990
From: SOOCH, NAVDEEP S.; KERTH, DONALD A.; SWANSON, ERIC J.; SUGIMOTO, TETSUROU
To: CRYSTAL SEMICONDUCTOR CORPORATION,
Reel/Frame 005517/0071 →
Assignment of Assignors Interest. Feb 12, 1991
From: SCOTT, BAKER PERKINS LEE, III
To: CRYSTAL SEMICONDUCTOR CORPORATION,
Reel/Frame 005602/0166 →
Assignment of Assignors Interest. Feb 12, 1991
From: SCOTT, BAKER P. L.
To: CRYSTAL SEMICONDUCTOR CORPORATION, 4210 SOUTH INDUSTRIAL DRIVE, AUSTIN, TEXAS 78744
Reel/Frame 005616/0812 →
Released by Secured Party Mar 7, 1991
From: TECHNOLOGY FUNDING SECURED INVESTORS II, A CALIFORNIA LIMITED PARTNERSHIP
To: CRYSTAL SEMICONDUCTOR CORPORATION
Reel/Frame 005732/0027 →
Assignment of Assignor's Interest Apr 13, 2000
From: CRYSTAL SEMICONDUCTOR CORPORATION
To: CIRRUS LOGIC, INC.
Reel/Frame 010742/0623 →