Inventor
ANDREW J. HOWLETT
Inventor
GB
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Fprimary
H03FAmplifiers26%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers18%
H03GControl of amplification15%
H03MCoding12%
G05FSystems for regulating electric or magnetic variables6%
H03KPulse technique6%
H10DInorganic electric semiconductor devices6%
G06FElectric digital data processing3%
H02HEmergency protective circuit arrangements3%
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 systems3%
PatentTitleYear
12,549,178Voltage supply202612,549,147Circuitry for and methods of gain control202612,525,940Circuitry for and methods of gain control202612,341,335Protection circuitry202512,283,929Audio amplifier circuitry202512,273,083Circuitry for providing an output voltage202511,881,826Audio amplifier circuitry202411,528,031ADC circuitry202211,500,404Biasing circuitry202211,483,654Driver circuitry202211,418,153Amplifier circuits2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to CIRRUS LOGIC INC (11)· patent assignee history
2022–2026Patents assigned to CIRRUS LOGIC INT SEMICONDUCTOR LTD (11)· patent assignee history
2022–2026Based in GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CIRRUS LOGIC INC | 11 | 2022–2026 |
| CIRRUS LOGIC INT SEMICONDUCTOR LTD | 11 | 2022–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| GB | 11 | 2022–2026 |