| 9510425 |
Driving circuit for light emitting diode apparatus and method of operation |
— |
2016-11-29 |
| 9194556 |
Method of producing LED lighting apparatus and apparatus produced thereby |
David Koskela |
2015-11-24 |
| 8350499 |
High efficiency power conditioning circuit for lighting device |
— |
2013-01-08 |
| 8253344 |
Light emitting diode lighting device |
Ralph E. Guest, Jarl J. Johansen |
2012-08-28 |
| 6720828 |
Apparatus and method for compensating a high impedance attenuator |
Michael P. Khaw, Daniel G. Knierim, John F. Stoops |
2004-04-13 |
| 6242920 |
Apparatus for use in a DMM for measuring the battery voltage of the DMM |
James R. Brooks |
2001-06-05 |
| 6218824 |
Simplified user interface and control system for a multimeter |
H. Wayne Oldstead, Frank Goovaerts, Michael R. Engbretson, J. Steve Lyford, Jerry L. Wrisley +2 more |
2001-04-17 |
| 6172630 |
Extended common mode input range for a delta-sigma converter |
— |
2001-01-09 |
| 6098095 |
Instrument communication through signal jacks |
James R. Brooks, Warren Woo |
2000-08-01 |
| 6094077 |
Dynamically controlled timing signal generator |
— |
2000-07-25 |
| 6068400 |
Temperature compensated adapter for a DMM |
Clifford E. Baker |
2000-05-30 |
| 5831485 |
Method and apparatus for producing a temperature stable frequency using two oscillators |
Gary M. Johnson |
1998-11-03 |
| 5223784 |
Method and circuit for triggering an electronic instrument only once during a period of a signal |
Calvin D. Diller, Robert D. Meadows |
1993-06-29 |
| 4691174 |
Fast recovery amplifier |
Calvin D. Diller |
1987-09-01 |
| 4507618 |
Compensation method and apparatus for an RC attenuator |
— |
1985-03-26 |