Alcatel N.V.
713Patents
0Active
713Granted
45Portfolio score
Filing activity: Nov 9, 1981 → Aug 17, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5550577A | Video on demand network, including a central video server and distributed video servers with random access read/write memories | Electricity | 500 | Expired |
| US5717452A | Interactive control system for multiservice installations including a television program distribution server and a PABX | Electricity | 376 | Expired |
| US5717379A | Remote monitoring system | Electricity | 322 | Expired |
| US5715394A | Method of supporting the management of a communications network, and network management facility therefor | Electricity | 282 | Expired |
| US5485504A | Hand-held radiotelephone with video transmission and display | Electricity | 256 | Expired |
| US5373502A | Process, transmitter and receiver for data transmission with variable traffic volume and a control station for coordinating several such transmitters and receivers | Electricity | 219 | Expired |
| US4700374A | Mobile telephone location system | Electricity | 179 | Expired |
| US5898456A | Communication system with hierarchical server structure | Electricity | 166 | Expired |
| US4926416A | Method and facilities for hybrid packet switching | Electricity | 164 | Expired |
| US5546389A | Method of controlling access to a buffer and a device for temporary storage of data packets and an exchange with such a device | Electricity | 149 | Expired |
| US5586166A | Chip card | Electricity | 147 | Expired |
| US5528282A | Video server for video-on-demand system with controllable memories and with pause, fast-forward and rewind functions | Electricity | 139 | Expired |
| US5454030A | Network of voice and/or fax mail systems | Emerging Cross-Sectional Technologies | 135 | Expired |
| US5173897A | Method of restoring the correct cell sequence, particularly in an ATM exchange, and output unit therefor | Electricity | 126 | Expired |
| US5642071A | Transit mixer with current mode input | Electricity | 122 | Expired |
| US5812599A | Method for allocating data elements in multicarrier applications and equipment to perform this method | Electricity | 116 | Expired |
| US5481588A | Test arrangements for radio telephone systems | Electricity | 111 | Expired |
| US5933467A | Multirate receive device and method using a single adaptive interpolation filter | Electricity | 111 | Expired |
| US5831598A | Method of facilitating the operation of terminals intelecommunications systems | Electricity | 109 | Expired |
| US5202780A | Optical communication system for the subscriber area | Electricity | 105 | Expired |
| US5590118A | Method for rerouting a data stream | Electricity | 104 | Expired |
| US5627501A | Signal coupler with automatic common line attenuation compensation | Electricity | 104 | Expired |
| US5644628A | telecommunications terminal interface for control by predetermined gestures | Electricity | 101 | Expired |
| US5550667A | Optical transmitter | Electricity | 98 | Expired |
| US5732075A | Assignment of a carrier frequency in an SDMA radio system | Electricity | 93 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.