Lambda Electronics, Inc.
San Diego, CA, US· latest recorded location
Lambda Electronics, Inc. is named on 20 US grants and 4 published applications in this corpus. Its most frequent classification is H02M (Apparatus for conversion between ac and ac, between ac and dc, or).
- Granted patents
- 20
- Published applications
- 4
- Inventors
- 7
- Granted in 2026 so far
- 0
- Most recent grant
- 1 Nov 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 0 |
| 2005 | 1 | 2 |
By publication year.
Technology areas
Share of 24 documents
- H02MApparatus for conversion between ac and ac, between ac and dc, or18
- H05KPrinted circuits4
- Y02BEnergy-efficient buildings4
- G01RMeasuring electric variables3
- Y02PLow-carbon manufacturing3
- Y10TTechnical subjects covered by former us classification3
- G05FSystems for regulating electric or magnetic variables2
- H03KPulse technique1
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1
Recent patents
- Drive circuits for synchronous rectifiers1 Nov 2005US 6,961,253 B1
- Parallel connected converters apparatus and methods using switching cycle with energy holding state1 Jun 2004US 6,744,647 B2
- Pulse width modulated power conversion apparatus and methods using capacitor-charge feedback9 Mar 2004US 6,703,817 B2
- Power conversion apparatus and methods with reduced current and voltage switching27 Aug 2002US 6,442,047 B1
- Surface mount power supply device18 Sep 2001US 6,289,580 B1
- Simplified adaptive control method for power converters8 Dec 2005US 2005/0270007 A1
- Method and circuit for sensing the output current of power sources3 Nov 2005US 2005/0243583 A1
- Pulse width modulated power conversion apparatus and methods using capacitor-charge feedback11 Sep 2003US 2003/0169028 A1
- Switching power converter apparatus and methods using switching cycle with energy holding state30 Jan 2003US 2003/0021130 A1
Most cited
By later US patents
- Pulse width modulated DC/DC converter with reduced ripple current coponent stress and zero voltage switching capability143US 5,291,382 A1994
- Composite printed circuit board and manufacturing method thereof48US 5,339,217 A1994
- Drive circuits for synchronous rectifiers45US 6,961,253 B12005
- Overload protection of switch mode converters21US 5,465,201 A1995
- Maximum duty cycle limiting of pulse width modulators18US 5,021,937 A1991