Inventor
Bruce R. Ferguson
Inventor
Anaheim, CA, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
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 systems16%
H02JElectric power networks14%
G09GArrangements or circuits for control of indicating devices using static means to present variable information12%
H05BElectric heating7%
H02HEmergency protective circuit arrangements5%
H03FAmplifiers5%
H04LTransmission of digital information, e.g. telegraphic communication5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B64DEquipment for fitting in or to aircraft2%
G01RMeasuring electric variables2%
PatentTitleYear
10,075,062Dual level current limit apparatus and method20189,709,603'Current sensing system and method'20178,842,397'Photo-voltaic safety de-energizing device'20148,441,245'Hysteretic voltage converter with offset voltage correction'20138,223,117'Method and apparatus to control display brightness with ambient light correction'20128,193,779'Battery charging and discharging by using a bi-directional transistor'20128,063,516'Four quadrant MOSFET based switch'20117,906,868'Fine tuned multiple output converter'20117,759,906'Linearly regulated battery charger'20107,759,907'Battery charging and discharging by using a bi-directional transistor'20107,755,595'Dual-slope brightness control for transflective displays'20107,528,582'Battery charging and discharging by using a bi-directional transistor'20097,525,291'Linearly regulated battery charger'20097,468,722'Method and apparatus to control display brightness with ambient light correction'20087,391,172'Optical and temperature feedbacks to control display brightness'20087,183,727'Optical and temperature feedbacks to control display brightness'20077,102,340'Dual-mode PFM boost converter'20067,102,339'Method and apparatus to switch operating modes in a PFM converter'20066,057,875'Remotely controlled cable equalization for in-flight entertainment systems'20006,031,299'Apparatus and method of providing EMI filtering'20005,920,186'In-rush current control circuitry'19995,894,413'Redundant power supply switchover circuit'19995,889,466'Apparatus and method of providing power control based on environmental conditions'19995,872,934'Method and apparatus for connecting several video distribution units to a serial data bus'19995,796,185'Circuit card present sense and protective power supply inhibit for airborne application of ATM switch unit'19984,984,079'Video preamplifier circuit'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Based in Tustin, CA, US· patent location history
1998–2000Patents assigned to SONY CORP (7)· patent assignee history
1998–2000Patents assigned to SONY TRANS COM INC (6)· patent assignee history
1998–2018Based in Anaheim, CA, US· patent location history
2006–2018Patents assigned to MICROSEMI CORP (17)· patent assignee history
2011–2014Patents assigned to FERGUSON BRUCE (3)· patent assignee history
2012Patents assigned to FERGUSON BRUCE R (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MICROSEMI CORP | 17 | 2006–2018 |
| SONY CORP | 7 | 1998–2000 |
| SONY TRANS COM INC | 6 | 1998–2000 |
| FERGUSON BRUCEself | 3 | 2011–2014 |
| FERGUSON BRUCE Rself | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Anaheim, California, US | 25 | 1998–2018 |
| Tustin, California, US | 1 | 1991 |