Inventor · Orange, CA, US

Raphael Rahamim

28Patents
12h-index
31Co-inventors
77Inventor score

Filing activity: Jun 9, 1992 → May 9, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5369666A Modem with digital isolation Electricity 118 Expired
US6212227A Constant envelope modulation for splitterless DSL transmission Electricity 106 Expired
US5790656A Data access arrangement with telephone interface Electricity 98 Expired
US6081586A Modem having a programmable universal data access arrangement Electricity 73 Expired
US6359973B1 Data access arrangement utilizing a serialized digital data path across an isolation barrier Electricity 54 Expired
US7016490B2 Circuit board capacitor structure for forming a high voltage isolation barrier Electricity 47 Expired
US6151335A Modulation switching for DSL signal transmission Electricity 40 Expired
US6351530B1 Modem having a digital high voltage isolation barrier Emerging Cross-Sectional Technologies 31 Expired
US5764694A Self-testing and evaluation system Electricity 27 Expired
US6782082B2 Method and system for reducing cross-talk and avoiding bridged taps Electricity 17 Expired
US5315651A Active surge rejection circuit Electricity 15 Expired
US7088803B2 Data access arrangement utilizing a serialized digital data path across an isolation barrier Electricity 14 Expired
US6008681A Method and apparatus for deriving power from a clock signal coupled through a transformer Electricity 12 Expired
US6647101B2 Data access arrangement utilizing a serialized digital data path across an isolation barrier Electricity 12 Expired
US6061445A Surge protection data access arrangement (DAA) Electricity 11 Expired
US5541990A Compensated hybrid Electricity 10 Expired
US6359972B1 Line in use detection Electricity 8 Expired
US6754318B2 Configurable multi-port modem to achieve a high bit rate in a DSL system Electricity 6 Expired
US7072391B2 Adjustment of transmit power based on an estimated electrical length of a loop Electricity 5 Expired
US6584196B1 Electronic inductor with transmit signal telephone line driver Electricity 3 Expired
US6731749B1 Telephone line interface circuit with intelligent line current and voltage control Electricity 3 Expired
US6985565B2 Configurable DSL modem for high bit rates Electricity 3 Expired
US7613236B2 Transmit power adjustment based on estimated electrical length of a loop Electricity 2 Active
US7583797B2 Single ended analog front end Electricity 2 Expired
US7130395B2 Method and system for reducing cross-talk and avoiding bridged taps Electricity 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.