Inventor

MARTIN ERIC T

US95 patents

⚠️ This page may combine multiple inventors who share the name “MARTIN ERIC T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MARTIN ERIC T

HEWLETT PACKARD DEVELOPMENT CO

Optical interference pixel display with charge control

Control of MEMS and light modulator arrays

Charge control of micro-electromechanical device

Testing MEM device array

Crack detection circuits for printheads

Interferometer calibration methods and apparatus

Printhead data error detection and response

Charge control circuit for a micro-electromechanical device

Display system with display element storage

Method and apparatus for reducing charge injection in control of MEMS electrostatic actuator array

Fluid driver actuation control using offset

Evaluating print nozzle condition

Modules to identify nozzle chamber operation

Firing signal forwarding in a fluid ejection device

Self-packaged optical interference display device having anti-stiction bumps, integral micro-lens, and reflection-absorbing layers

Charge control of micro-electromechanical device

Freezable projection display

Light blocking electrical interconnect

Optical interference pixel display

Interferometer calibration methods and apparatus

Fluidic die

Detecting a drive bubble formation and collapse

Printing system with a fluid circulating element

Managing printhead nozzle conditions

Active circuit elements on a membrane

Decoders to activate fluidic actuators for sense measurements

Thermal zone selection with a circular shift register

Sense measurement indicators to select fluidic actuators for sense measurements

Reference measurements of fluidic actuators

Sense measurements for fluidic actuators

Fluid actuator registers

Selective update of micro-electromechanical device

Display with data group comparison

Interspersed fluidic elements and circuit elements in a fluidic die

Fluid feed hole corrosion detection

Fluidic die

Fluidic dies with transmission paths having corresponding parasitic capacitances

Fluid pump actuation on a fluid ejection device

Printhead nozzle addressing

Detecting a drive bubble formation and collapse

Modifying a firing event sequence while a fluid ejection system is in a service mode

HEWLETT PACKARD DEVELOPMENT CO LP

Determining a time instant for an impedance measurement

Determining an issue in an inkjet nozzle with impedance measurements

Mitigating parasitic current while programming a floating gate memory array

Nozzle condition evaluation

GOVYADINOV ALEXANDER

Determining an issue with an inkjet nozzle using an impedance difference

HEWLETT PACKARD CO

Hand held ink jet painting tool

MARTIN ERIC T

Calibrating a program that detects a condition of an inkjet nozzle

HOWARD MACHINERY LTD

Baling machine

VAN BROCKLIN ANDREW L

Determining an issue in an inkjet nozzle with impedance measurements