Inventor
Joseph A. Charaska
Inventor
Melrose Park, IL, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Lprimary
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses47%
H03KPulse technique13%
H03MCoding13%
G06JHybrid computing arrangements7%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner7%
H03CModulation7%
H03JTuning resonant circuits7%
PatentTitleYear
9,035,682'Method and apparatus for single port modulation using a fractional-N modulator'20157,929,929'Method and apparatus for spur reduction in a frequency synthesizer'20117,786,772'Method and apparatus for reducing spurs in a fractional-N synthesizer'20107,646,257'Method and apparatus to facilitate the provision and use of a plurality of varactors with a plurality of switches'20107,504,893'System and method for reducing transient responses in a phase lock loop with variable oscillator gain'20097,202,719'Method and apparatus for frequency synthesis'20077,170,322'System and method for reducing transient response in a fractional N phase lock loop'20077,109,766'Adjustable frequency delay-locked loop'20065,408,233'Noise source for an analog-to-digital converter'19955,379,039'Method and improved apparatus for stabilizing analog-to-digital circuits'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2010Patents assigned to MOTOROLA INC (8)· patent assignee history
1995–2015Based in Melrose Park, IL, US· patent location history
2011–2015Patents assigned to MOTOROLA SOLUTIONS INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MOTOROLA INC | 8 | 1995–2010 |
| MOTOROLA SOLUTIONS INC | 2 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Melrose Park, Illinois, US | 10 | 1995–2015 |