Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568091 | Differential amplifier with common-mode rejection for low supply voltages | Joao N. V. L. Ramalho | 1996-10-22 |
| 5559646 | Balanced arrangement for reading information from a track on a record carrier which arrangement includes amplifier circuits containing cut-off capacitors which are cross-coupled to reduce noise | Joao N. V. L. Ramalho | 1996-09-24 |
| 5557638 | Transmission system for multivalued digital symbols | Kevin D. Fisher, Ho Wai Wong-Lam, Johannes W. M. Bergmans, Frits A. Steenhof | 1996-09-17 |
| 5525930 | Frequency compensation circuit for stabilizing a differential amplifier with cross-coupled transistors | Hendrik J. Pothast | 1996-06-11 |
| 5469475 | Transmitter comprising an eletronic arrangement for generating a modulated carrier signal | — | 1995-11-21 |
| 5416647 | Continuous-time analog signal filter arrangement, for use as an equalizer | — | 1995-05-16 |
| 5157343 | Electronic arrangement for receiving a modulated carrier signal | — | 1992-10-20 |
| 5124705 | Analog-to-digital signal converter comprising a multiple sigma-delta modulator | — | 1992-06-23 |
| 5105163 | Balanced filter circuit having a single amplifier | — | 1992-04-14 |
| 5103228 | Sigma-delta modulator | Cornelis M. Hart | 1992-04-07 |
| 5103117 | Latch circuit | Cornelis M. Hart | 1992-04-07 |
| 5063356 | Balanced filter circuit having a controllable balanced current multiplier | — | 1991-11-05 |
| 5023568 | Combined current differencing and operational amplifier circuit | Paul A. Moore, Colin L. Perry | 1991-06-11 |
| 4926135 | Balanced integrator-filter arrangement | — | 1990-05-15 |
| 4918402 | Delay circuit having at least one all-pass network | Pieter Jacob Snijder, Johannes S. Vromans | 1990-04-17 |
| 4914408 | Asymmetric polyphase filter | — | 1990-04-03 |
| 4853651 | Delay circuit with all-pass network | Pieter Jacob Snijder, Johannes S. Vromans | 1989-08-01 |
| 4798982 | Active symmetrical balance hybrid circuit | — | 1989-01-17 |
| 4786880 | Filter arrangement | — | 1988-11-22 |
| 4780690 | Filter arrangement having a transconductance circuit | — | 1988-10-25 |
| 4747068 | Adaptive filter | Louis J. Van Mal | 1988-05-24 |
| 4723110 | Transconductance amplifier | — | 1988-02-02 |
| 4647790 | Data signal correction circuit | — | 1987-03-03 |
| 4629973 | Current stabilizing circuit operable at low power supply voltages | — | 1986-12-16 |
| 4485357 | Circuit for amplitude and phase modulation of carrier signal by two respective input signals | — | 1984-11-27 |