Inventor
Russell Hershbarger
Inventor
Nevada City, CA, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication37%
H01FMagnets13%
H04MTelephonic communication13%
H04BTransmission10%
H03KPulse technique7%
H04JMultiplex communication7%
G01RMeasuring electric variables3%
G06FElectric digital data processing3%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses3%
H10DInorganic electric semiconductor devices3%
PatentTitleYear
8,265,174'Method and apparatus for detection of load impedance modulation in a transformer circuit'20128,111,761'Method and apparatus for transmitting data and power across a transformer'20127,936,830'Active rectifier with load impedance switching'20117,839,938'Method and apparatus for cancellation of magnetizing inductance current in a transformer circuit'20107,733,965'Encoding method and apparatus for a dual mode super source follower circuit'20107,724,831'Method and apparatus for detection of load impedance modulation in a transformer circuit'20107,408,996'Method and apparatus for synchronization of data in a transformer circuit'20087,352,216'High speed ramp generator'20087,158,573'Method and apparatus for full duplex signaling across a transformer'20076,052,006'Current mirror triggered power-on-reset circuit'20006,014,048'Clock generator with multiple feedback paths including a delay locked loop path'20005,654,984'Signal modulation across capacitors'19975,602,912'Telephone hybrid circuit'19975,533,053'Low frequency common mode rejection in a clock circuit'19965,500,894'Telephone line interface with AC and DC transconductance loops'19965,322,438'Layout scheme for precise capacitance ratios'19945,111,451'Method and apparatus for synchronizing an optical transceiver over a full duplex data communication channel'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2012Based in Nevada City, CA, US· patent location history
1994–1997Patents assigned to SILICON SYSTEMS INC (5)· patent assignee history
2000Patents assigned to ADVANCED MICRO DEVICES INC (2)· patent assignee history
2008–2010Patents assigned to TERIDIAN SEMICONDUCTOR CORP (4)· patent assignee history
2010–2012Patents assigned to MAXIM INTEGRATED PRODUCTS (4)· patent assignee history
2012Patents assigned to HERSHBARGER RUSSELL (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SILICON SYSTEMS INC | 5 | 1994–1997 |
| MAXIM INTEGRATED PRODUCTS | 4 | 2010–2012 |
| TERIDIAN SEMICONDUCTOR CORP | 4 | 2008–2010 |
| ADVANCED MICRO DEVICES INC | 2 | 2000 |
| HERSHBARGER RUSSELLself | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nevada City, California, US | 17 | 1992–2012 |