Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5519775 | Device for electrical and/or electronic telephone circuits, designed to limit the power dissipated within them | Paolo Lagana, Mauro Pasetti | 1996-05-21 |
| 5440612 | Method and device for measuring operation parameters of telephone subscriber lines and associated interface circuits | Ferdinando Lari | 1995-08-08 |
| 5402484 | Telephone circuit assembly | Vanni Saviotti | 1995-03-28 |
| 5339020 | Voltage regulating integrated circuit | Aldo Torazzina | 1994-08-16 |
| 5315653 | Current limited subscriber interface circuit | Vanni Saviotti, Maria L. Marcioni | 1994-05-24 |
| 4979008 | Vertical isolated-collector transistor of the pnp type incorporating a device for suppressing the effects of parasitic junction components | Flavio Villa | 1990-12-18 |
| 4897872 | Interface circuit between a subscriber's telephone line and exchange control components, with reduced current consumption in the case of a grounded cable | Emilio Lorena | 1990-01-30 |
| 4847896 | Monolithically integratable telephone circuit for supplying ringing signals to a subscriber's telephone line and for detecting an off the hook condition during ringing | Vanni Saviotti, Jean-Louis Lavoisard | 1989-07-11 |
| 4841565 | Monolithically integratable telephone circuit for feeding a subscriber's telephone line | Vanni Saviotti, Emilio Lorena | 1989-06-20 |
| 4835490 | Circuit for automatically controlling the gain-bandwidth product of operational amplifiers | Michelangelo Mazzucco, Vanni Poletto | 1989-05-30 |
| 4800589 | Voltage regulator control circuit for a subscriber line interface circuit | Vanni Poletto | 1989-01-24 |
| 4797917 | Monolithically integratable telephone circuit for supplying ringing signals to a subscriber's telephone line and for detecting an off the hook condition during ringing | Mauro Pasetti | 1989-01-10 |
| 4782507 | Monolithically integratable circuit for measuring longitudinal and transverse currents in a two-wire transmission line | Ferdinando Lari | 1988-11-01 |
| 4756022 | Integrated circuit for the transmission of telephone signals | Pietro Consiglio | 1988-07-05 |
| 4721920 | Broad-band integrator | Vanni Poletto | 1988-01-26 |
| 4720852 | Monolithically integratable telephone circuit for generating control signals for displaying the telephone charges to a subscriber | Mauro Pasetti | 1988-01-19 |
| 4677664 | Method and apparatus for an improved ring trip detection telephone circuit | Vanni Saviotti | 1987-06-30 |
| 4673830 | Biasing network for multifunction bipolar integrated system | Valerio Giorgetta, Vanni Poletta, Mario Sartori | 1987-06-16 |
| 4668907 | Monolithically integratable current adding circuit | Ferdinando Lari | 1987-05-26 |
| 4661780 | Differential stage particularly for active filters | Bruno Murari | 1987-04-28 |
| 4647839 | High precision voltage-to-current converter, particularly for low supply voltages | Pietro Consiglio | 1987-03-03 |
| 4638122 | Monolithically integratable telephone circuit for generating control signals for displaying telephone charges | Ferdinando Lari, Vanni Saviotti, Vittorio Comino | 1987-01-20 |
| 4507525 | Transistorized bridge rectifier circuit with overcurrent protection for use in telephones | Nazzareno Rossetti | 1985-03-26 |
| 4501933 | Transistor bridge voltage rectifier circuit | Nazareno Rossetti | 1985-02-26 |
| 4502016 | Final bridge stage for a receiver audio amplifier | Pietro Consiglio | 1985-02-26 |