IP Library › Assignment 009570/0972
Patent Assignment
Reel/Frame 009570/0972

Change of Name

Recorded: 1998-11-17 Pages: 6
Assignor
PLESSEY SEMICONDUCTOR LIMITED
Executed: 1998-02-19
Assignee
MITEL SEMICONDUCTOR LIMITED
CHENEY MANOR, SWINDON, WILTSHIRE SN2 2QW, UNITED KINGDOM
Covered Properties (74)
Frame Aligner for Digital Telecommunications Exchange System
Patent: 4,368,531 →
Application: 06/175,780 →
Integrated Circuits
Patent: 4,764,926 →
Application: 06/807,913 →
Power-On Reset Circuit
Patent: 4,698,531 →
Application: 06/885,861 →
Mesa Semiconductor Device
Patent: 4,698,901 →
Application: 06/902,245 →
Analogue to Digital Converters
Patent: 4,736,188 →
Application: 06/925,634 →
Quartz Microstrip Gunn Oscillator
Patent: 4,890,074 →
Application: 07/308,838 →
Universal Cell for Bipolar Npn and Pnp Transistors and Resistive Elements
Patent: 5,021,856 →
Application: 07/323,269 →
Phase Detector
Patent: 5,157,341 →
Application: 07/565,065 →
Methods of Joining Components
Patent: 5,106,009 →
Application: 07/578,542 →
A Semiconductor Device with Reduced Side Wall Parasitic Device Action
Patent: 5,034,788 →
Application: 07/603,465 →
Radiation Hardened Power Supplies for Integrated Circuits
Patent: 5,072,169 →
Application: 07/664,946 →
Interconnecting Layer on a Semiconductor Substrate
Patent: 5,136,355 →
Application: 07/665,290 →
True Logarithmic Amplifier Having a Variable Gain Amplifier
Patent: 5,159,280 →
Application: 07/666,359 →
Mixer for Direct Conversion Receiver
Patent: 5,303,417 →
Application: 07/740,992 →
Charge Pump Circuit
Patent: 5,239,455 →
Application: 07/777,804 →
Fabrication Process for Narrow Groove
Patent: 5,328,554 →
Application: 07/980,656 →
Low Vapor Point Material Casting Apparatus and Method
Patent: 5,540,271 →
Application: 08/114,734 →
Low Nosie Amplifier with Capacitive Feedback
Patent: 5,378,997 →
Application: 08/139,436 →
Speed Control Arrangements for Electric Motors
Patent: 5,387,856 →
Application: 08/139,439 →
Mounting Arrangement for Semiconductor Devices
Patent: 5,508,476 →
Application: 08/217,505 →
Memory Defect Detection Arrangement
Patent: 5,500,823 →
Application: 08/221,074 →
Contents Addressable Memory Having Match Line Transistors Connected in Series and Couled to Current Sensing Circuit
Patent: 5,469,378 →
Application: 08/231,252 →
Contents Addressable Memory
Patent: 5,495,382 →
Application: 08/233,857 →
Phase and Amplitude Equalization Arrangement
Patent: 5,557,640 →
Application: 08/269,074 →
Detectors
Patent: 5,612,976 →
Application: 08/272,839 →
Doppler Microwave Sensor
Patent: 5,563,617 →
Application: 08/283,022 →
Automatic Frequency Control Arrangement
Patent: 5,530,723 →
Application: 08/285,407 →
Logarithmic Detector
Patent: 5,467,093 →
Application: 08/294,550 →
Modulator with Biasing Circuit to Minimize Output Distortion
Patent: 5,493,257 →
Application: 08/295,017 →
Amplifier Arrangements
Patent: 5,572,165 →
Application: 08/295,620 →
Direct Conversion Fsk Receiver Using Frequency Tracking Filters
Patent: 5,451,899 →
Application: 08/302,510 →
Preamplifier Circuit Arrangements for Common Current Flow in a Trans- Ducer
Patent: 5,543,979 →
Application: 08/302,514 →
Control Arrangements for Digital Radio Receivers
Patent: 5,663,989 →
Application: 08/324,910 →
Dc Restoration Circuit
Patent: 5,587,681 →
Application: 08/324,911 →
Overvoltage Protection Circuit
Patent: 5,568,345 →
Application: 08/324,914 →
Current Mirror Drive Circuit with High Breakdown Voltage
Patent: 5,469,093 →
Application: 08/333,264 →
Integrated Oscillator Circuits
Patent: 5,469,118 →
Application: 08/343,708 →
Phase Lock Detector
Patent: 5,734,273 →
Application: 08/404,511 →
Ball Grid Array Arrangement
Patent: 5,717,245 →
Application: 08/410,343 →
Receiver Arrangement
Patent: 5,661,754 →
Application: 08/411,539 →
Multi-Chip Module Inductor Structure
Patent: 5,747,870 →
Application: 08/483,462 →
Trimmable Capacitor
Patent: 5,604,658 →
Application: 08/501,630 →
Trimmable Inductor Structure
Patent: 6,005,466 →
Application: 08/506,317 →
Slot Antenna Arrangement for Portable Personal Computers
Patent: 5,677,698 →
Application: 08/511,543 →
White Clip Circuit
Patent: 5,734,440 →
Application: 08/512,143 →
Conformal Antenna for Wireless Local Area Network Transceivers
Patent: 5,821,903 →
Application: 08/554,517 →
Circuit Arrangement for Measuring a Time Interval
Patent: 5,684,760 →
Application: 08/566,858 →
Dual-Feedback Amplifier Circuit Arrangements
Patent: 5,684,433 →
Application: 08/566,859 →
Oscillatory Signal Generator Arrangement
Patent: 5,815,214 →
Application: 08/566,976 →
Microchip Module Assemblies
Patent: 5,784,261 →
Application: 08/594,766 →
Structure for Testing Bare Integrated Circuit Devices
Patent: 5,764,070 →
Application: 08/603,602 →
Controllable Filter Arrangement
Patent: 5,760,641 →
Application: 08/604,494 →
Voltage Offset Compensation Circuit
Patent: 5,812,023 →
Application: 08/604,676 →
Bare Die Testing
Patent: 5,786,701 →
Application: 08/625,547 →
Wireless Local Area Networks
Patent: 5,987,057 →
Application: 08/635,464 →
Circuits for Generating a Current Which Is Proportional to Absolute Temperature
Patent: 5,796,294 →
Application: 08/667,962 →
Antenna Arrangements
Patent: 5,757,323 →
Application: 08/682,990 →
Data Transmission Systems
Patent: 5,889,864 →
Application: 08/682,991 →
Video Modulator Arrangement
Patent: 5,982,446 →
Application: 08/730,375 →
Lan Equalizer
Patent: 5,793,264 →
Application: 08/733,239 →
Active Filter Stack
Patent: 5,912,587 →
Application: 08/739,418 →
Folded Active Filter
Patent: 5,847,605 →
Application: 08/739,419 →
Integrated Circuit Output Buffer
Patent: 5,982,207 →
Application: 08/755,985 →
Vehicle Obstruction Detection System
Patent: 5,978,736 →
Application: 08/814,330 →
Phase-Locked Loops Having Two Amplifiers for Driving a Vco
Patent: 5,874,862 →
Application: 08/829,719 →
Error Correction Circuit
Patent: 6,047,031 →
Application: 08/829,723 →
Programmable Logic Arrays
Patent: 5,936,879 →
Application: 08/886,336 →
Power-On Reset Circuit
Application: 08/886,338 →
Image Reject Mixer
Patent: 6,308,058 →
Application: 09/003,906 →
Low Voltage Double Balanced Mixer
Patent: 6,211,718 →
Application: 09/003,908 →
Low Noise Amplifier
Patent: 5,945,880 →
Application: 09/003,909 →
Alarm Sensor and Antenna Arrangement
Patent: 5,999,090 →
Application: 09/006,520 →
Improvements in or Relating to Semiconductor Devices
Patent: 6,091,107 →
Application: 09/009,230 →
Frequency Control Arrangement
Patent: 6,266,381 →
Application: 09/012,076 →
Related Assignments (25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Aug 6, 1980
From: CHOPPING GEOFFREY
To: PLESSEY COMPANY LIMITED, THE,
Reel/Frame 003793/0438 →
Assignment of Assignors Interest. Mar 21, 1988
From: KNIGHT, WILLIAM L.; PARASKEVA, MARK; BURROWS, DAVID F.
To: PLESSEY OVERSEAS LTD.
Reel/Frame 004838/0104 →
Assignment of Assignors Interest. Aug 13, 1992
From: GEC-MARCONI LIMITED, F/K/A THE MARCONI COMPANY LIMITED
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006231/0170 →
Assignment of Assignors Interest. Aug 13, 1992
From: GENERAL ELECTRIC COMPANY PLC, THE
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006284/0121 →
Assignment of Assignors Interest. Aug 13, 1992
From: GENERAL ELECTRIC COMPANY PLC, THE
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006232/0601 →
Assignment of Assignors Interest. Sep 1, 1992
From: PLESSEY OVERSEAS LIMITED
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006258/0010 →
Assignment of Assignors Interest. Apr 9, 1993
From: INGRAM, SIMON GARETH
To: GEC-MARCONI LIMITED
Reel/Frame 006484/0733 →
Assignment of Assignor's Interest Feb 14, 1994
From: SAWYER, DAVID ALBERT
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006858/0603 →
Assignment of Assignor's Interest Mar 16, 1994
From: GILBERT, DAVID P.
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006893/0433 →
Assignment of Assignor's Interest May 2, 1994
From: ALBON, RICHARD
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006969/0886 →
Assignment of Assignor's Interest May 2, 1994
From: MARTIN, ALAN
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006969/0884 →
Assignment of Assignor's Interest May 2, 1994
From: DICKENSON, ROBERT JAMES
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006968/0661 →
Assignment of Assignor's Interest May 31, 1994
From: COOK, ARNOLD J.
To: PCC COMPOSITES, INC.
Reel/Frame 007009/0630 →
Assignment of Assignor's Interest May 31, 1994
From: HASTIE, NEIL
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006997/0818 →
Assignment of Assignor's Interest May 31, 1994
From: ALBON, RICHARD
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006997/0820 →
Assignment of Assignor's Interest Jun 13, 1994
From: ALBON, RICHARD
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 007020/0796 →
Assignment of Assignor's Interest Aug 19, 1994
From: CHADWICK, PETER EDWARD
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 007101/0551 →
Assignment of Assignor's Interest Aug 19, 1994
From: GRANGER-JONES, MARCUS RICHARD
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 007102/0024 →
Assignment of Assignor's Interest Oct 26, 1994
From: SIEMENS PLESSEY ELECTRONIC SYSTEMS LIMITED
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 007186/0501 →
Assignment of Assignor's Interest Oct 26, 1994
From: ROKE MANOR RESEARCH LIMITED
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 007183/0382 →
Assignment of Assignor's Interest Apr 22, 1996
From: GEC PLESSEY SEMICONDUCTORS
To: WHEATON, LARRY B.
Reel/Frame 007908/0264 →
Security Interest Sep 16, 1998
From: MITEL CORPORATION, A CORPORATION UNDER THE LAWS OF CANADA
To: CANADIAN IMPERIAL BANK OF COMMERCE, AS SECURED PARTY
Reel/Frame 009445/0299 →
Re-Record to Correct the Assignor Previously Recorded on Reel 9445 Frame 0299. Mar 17, 1999
From: MITEL SEMICONDUCTOR LIMITED
To: CANADIAN IMPERIAL BANK OF COMMERCE, AS SECURED PARTY
Reel/Frame 009798/0040 →
Release of Security Interest Mar 7, 2001
From: CANADIAN IMPERIAL BANK OF COMMERCE
To: MITEL CORPORATION; MITEL SEMICONDUCTOR AMERICAS, INC., A DELAWARE CORPORATION; MITEL, INC., A DELAWARE CORPORATION; MITEL SEMICONDUCTOR, INC., A DELAWARE CORPORATION
Reel/Frame 011590/0406 →
Change of Name Feb 20, 2002
From: MITEL SEMICONDUCTOR LIMITED
To: ZARLINK SEMICONDUCTOR LIMITED
Reel/Frame 012621/0944 →