Carl Robert Posthuma
27Patents
12h-index
27Co-inventors
77Inventor score
Filing activity: Dec 28, 1995 → Aug 25, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6959184B1 | Method for determining the security status of transmissions in a telecommunications network | Electricity | 134 | Expired |
| US6694012B1 | System and method to provide control of music on hold to the hold party | Electricity | 64 | Expired |
| US7058174B2 | System and method for providing lifeline power service to digital subscriber line customers | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6496566B1 | Metallic testing of a subscriber loop that provides both voice and digital subscriber line services | Electricity | 56 | Expired |
| US6748078B1 | System and method for allocating overhead voltage in the transmission of pots and XDSL signals | Electricity | 36 | Expired |
| US6456694B1 | Method for prequalifying subscriber lines for high speed data service | Electricity | 31 | Expired |
| US6144659A | Telecommunication equipment support of high speed data services | Electricity | 27 | Expired |
| US6349130B1 | Method to pre-qualify copper loops for ADSL service | Electricity | 20 | Expired |
| US5673255A | Apparatus for providing service to telephone subscribers connected to a remote terminal from multiple telephone service providers | Electricity | 17 | Expired |
| US6072793A | Electronically controlled main distributing frame | Electricity | 13 | Expired |
| US6898280B1 | Line card and method for supporting pots, asymmetric DSL and symmetric DSL services | Electricity | 13 | Expired |
| US6647024B1 | System and method for an all digital communication system with a life line | Electricity | 13 | Expired |
| US6459773B1 | System to pre-qualify copper subscriber loops for high bandwidth access service using subscriber or network generated tones | Electricity | 12 | Expired |
| US6229846A | Apparatus and method for implementing high speed modem communication support | Electricity | 10 | Expired |
| US6952417B1 | System and method for selectively providing data communications in an XDSL communication system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6782078B1 | System to pre-qualify copper subscriber loops for high bandwidth access service using subscriber voice signals | Electricity | 5 | Expired |
| US6836509B1 | Dsl- compatible pots line card | Electricity | 4 | Expired |
| US7676031B2 | Method and apparatus for selectively terminating current in a digital subscriber line (DSL) modem | Electricity | 3 | Active |
| US6519253B1 | Telecommunication equipment support of ISDN communication lines for high speed data transmission | Electricity | 3 | Expired |
| US7039056B2 | High quality audio and video over digital subscriber lines (DSLs) | Electricity | 2 | Expired |
| US6694015B1 | Universal line interface in telecommunications system | Electricity | 2 | Expired |
| US8830812B2 | Optimizing precoder settings using average SINR reports for groups of tones | Electricity | 1 | Active |
| US7860044B2 | Methods and apparatus for providing synchronization in a multi-channel communication system | Electricity | 0 | Active |
| US7027590B2 | Dynamic allocation of overhead voltage to support simultaneous transmission of signals on a telecommunication line | Electricity | 0 | Expired |
| US7016474B2 | Reduced cost digital subscriber line (DSL) interface arrangement | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.