Inventor
Eric B. Rodal
Inventor
Morgan Hill, CA, US
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Sprimary
G01SRadio direction-finding28%
H01QAntennas, i.e. radio aerials13%
H04BTransmission8%
H03DDemodulation or transference of modulation from one carrier to another7%
B60GVehicle suspension arrangements5%
G01CMeasuring distances, levels or bearings5%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems5%
G04RRadio-controlled time-pieces3%
H02JElectric power networks3%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner3%
PatentTitleYear
9,991,782Control of conversion ratios of a power source block and bidirectional active filter20189,716,433'Control of conversion ratios of a power source block and a bidirectional active filter'20178,816,765'Coupled inductor and calibrated complementary low noise amplifiers'20148,620,252'Ultra low power, low noise switched capacitor radio frequency mixer'20138,086,209'Method and apparatus for frequency mixing of radio frequency signals'20118,005,447'Method and apparatus for providing a dual-loop phase lock loop'20117,936,850'Method and apparatus for providing a digital automatic gain control (AGC)'20116,356,602'RF integrated circuit for downconverting a GPS signal'20026,353,796'Vehicle tracker, mileage-time monitor and calibrator'20026,122,506'GSM cellular telephone and GPS receiver combination'20006,115,595'Integrated circuit using a power supply input for digital logic'20006,088,650'Vehicle tracker, mileage-time monitor and calibrator'20005,987,378'Vehicle tracker mileage-time monitor and calibrator'19995,883,596'GPS timing receiver using oversampling'19995,831,577'GPS/radio antenna combination'19985,764,172'Hybrid DAC suitable for use in a GPS receiver'19985,748,144'GPS timing receiver using oversampling'19985,719,587'Dual frequency vertical antenna'19985,691,726'GPS/radio antenna combination'19975,654,717'GPS/radio antenna combination'19975,650,785'Low power GPS receiver'19975,629,708'GPS receiver having an initial adjustment for correcting for drift in reference frequency'19975,604,506'Dual frequency vertical antenna'19975,594,453'GPS receiver having a rapid acquisition of GPS satellite signals'19975,592,173'GPS receiver having a low power standby mode'19975,564,098'Ultra low-power integrated circuit for pseudo-baseband down-conversion of GPS RF signals'19965,521,610'Curved dipole antenna with center-post amplifier'19965,467,095'Low profile antenna'19955,408,193'Active circuit filter for reducing conducted radiation from a load back to its power supply'19955,187,450'Voltage controlled oscillator suitable for complete implementation within a semiconductor integrated circuit'19935,173,715'Antenna with curved dipole elements'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1998Based in Cupertino, CA, US· patent location history
1993–2002Patents assigned to TRIMBLE NAVIGATION LTD (22)· patent assignee history
1997–2002Based in Morgan Hill, CA, US· patent location history
2011–2014Patents assigned to BROADCOM CORP (5)· patent assignee history
2011–2013Patents assigned to RODAL ERIC (2)· patent assignee history
2011–2018Based in Gardnerville, NV, US· patent location history
2011Based in Gardenville, NV, US· patent location history
2017–2018Patents assigned to R2 SEMICONDUCTOR INC (2)· patent assignee history
2018Patents assigned to R2 SEMICONDUCTOR (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TRIMBLE NAVIGATION LTD | 22 | 1993–2002 |
| BROADCOM CORP | 5 | 2011–2014 |
| R2 SEMICONDUCTOR INC | 2 | 2017–2018 |
| RODAL ERICself | 2 | 2011–2013 |
| R2 SEMICONDUCTOR | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Morgan Hill, California, US | 12 | 1997–2002 |
| Cupertino, California, US | 12 | 1992–1998 |
| Gardnerville, NV, US | 6 | 2011–2018 |
| Gardenville, NV, US | 1 | 2011 |