David Drell
27Patents
11h-index
14Co-inventors
68Inventor score
Filing activity: Oct 5, 2000 → Sep 28, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8850182B1 | Data capture for secure protocols | Electricity | 100 | Active |
| US7339605B2 | Conference link between a speakerphone and a video conference unit | Electricity | 46 | Expired |
| US7526078B2 | System and method for communicating data during an audio conference | Electricity | 43 | Expired |
| US6633985B2 | System and method for videoconferencing across networks separated by a firewall | Electricity | 41 | Expired |
| US7978838B2 | Conference endpoint instructing conference bridge to mute participants | Electricity | 37 | Active |
| US7221663B2 | Method and apparatus for wideband conferencing | Electricity | 35 | Expired |
| US7227938B2 | System and method for dynamically establishing optimum audio quality in an audio conference | Electricity | 32 | Expired |
| US7089285B1 | Videoconferencing apparatus having integrated multi-point conference capabilities | Electricity | 28 | Expired |
| US8004556B2 | Conference link between a speakerphone and a video conference unit | Electricity | 23 | Active |
| US7742588B2 | Speakerphone establishing and using a second connection of graphics information | Electricity | 16 | Active |
| US7864938B2 | Speakerphone transmitting URL information to a remote device | Electricity | 15 | Active |
| US8102984B2 | Speakerphone and conference bridge which receive and provide participant monitoring information | Electricity | 11 | Active |
| US8223942B2 | Conference endpoint requesting and receiving billing information from a conference bridge | Electricity | 9 | Active |
| US8934382B2 | Conference endpoint controlling functions of a remote device | Electricity | 9 | Active |
| US7450149B2 | Conferencing system with integrated audio driver and network interface device | Physics | 5 | Expired |
| US8948059B2 | Conference endpoint controlling audio volume of a remote device | Electricity | 5 | Active |
| US8977683B2 | Speakerphone transmitting password information to a remote device | Electricity | 4 | Active |
| US8947487B2 | Method and apparatus for combining speakerphone and video conference unit operations | Electricity | 3 | Active |
| US7821918B2 | System and method for communication channel and device control via an existing audio channel | Electricity | 2 | Expired |
| US8934381B2 | Conference endpoint instructing a remote device to establish a new connection | Electricity | 2 | Active |
| US9001702B2 | Speakerphone using a secure audio connection to initiate a second secure connection | Electricity | 2 | Active |
| US8976712B2 | Speakerphone and conference bridge which request and perform polling operations | Electricity | 1 | Active |
| US8705719B2 | Speakerphone and conference bridge which receive and provide participant monitoring information | Electricity | 1 | Active |
| US7903588B2 | System and method for dynamically establishing optimum audio quality in an audio conference | Electricity | 1 | Active |
| US8582520B2 | Method and apparatus for wideband conferencing | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.