| Patent Number |
Title Of Patent |
Date Issued |
| 6880115 |
Surveillance of quality of service in a digital television link |
April 12, 2005 |
| The quality of service in a digital television link is monitored cyclically by means of an analyzer which analyzes the transport stream packets to deduce therefrom many standardized analysis parameters which are complex to interpret. The invention minimizes the number of measurements of |
| 5953414 |
Piezo-electric speaker capsule for telephone handset |
September 14, 1999 |
| A telephone handset includes a housing containing an earpiece part including a piezo-electric disk joined to an electrically conductive support disk, the edge of the support disk being clamped between two holding parts and separating a rear volume from a front volume. The rear volume |
| 5231659 |
Telephone handset with transducer assembly |
July 27, 1993 |
| The telephone handset is provided with at least one piezoelectric transducer (6, 7). The transducer is received in a housing part (2) which includes fixing means for the transducer and its electrical connection means. The housing part is assembled with at least one other complementary |
