Inventor
Christopher Michael Graves
Inventor
Sherman, TX, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Kprimary
H03KPulse technique56%
G11CStatic stores13%
H02HEmergency protective circuit arrangements13%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers13%
H03FAmplifiers6%
PatentTitleYear
10,462,564Operating a headset that includes microphone line and pushbutton keys201910,312,912Gate control for a tristate output buffer201910,110,231Level shifter for a wide low-voltage supply range201810,027,325Circuit having a parallel voltage threshold architecture to support a wide voltage supply range20189,479,882'Initial command to switch transistors disconnecting keys from microphone line'20169,136,796'Negative audio signal voltage protection circuit and method for audio ground circuits'20158,009,395'Methods and apparatus for over-voltage protection of device inputs'20117,030,659'Signal switch with reduced on resistance and undershoot protection'20066,847,235'Bus driver'20056,414,533'Over-voltage tolerant, active pull-up clamp circuit for a CMOS crossbar switch'20026,268,759'Low-power 5-volt input/output tolerant circuit with power-down control for a low voltage CMOS crossbar switch'20016,100,719'Low-voltage bus switch maintaining isolation under power-down conditions'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2019Patents assigned to TEXAS INSTRUMENTS INC (12)· patent assignee history
2000–2019Based in Sherman, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXAS INSTRUMENTS INC | 12 | 2000–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sherman, Texas, US | 12 | 2000–2019 |