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US 11,628,667 B2Granted
Multiple circuits coupled to an interface
AssigneeHewlett-Packard Development Company, L.P.
InventorsScott A. Linn, James Michael Gardner
Life of this patent
Estimating the term…
Abstract
An integrated circuit to drive a plurality of fluid actuation devices includes an interface, a digital circuit, an analog circuit, and control logic. The digital circuit outputs a digital signal to the interface. The analog circuit outputs an analog signal to the interface. The control logic activates the digital circuit or the analog circuit.
Claims23
A fluid ejection device comprising:
- an interface comprising a single contact pad, a single pin, a single bump, or a single wire;
- a digital circuit to output a digital signal to the interface;
- an analog circuit to output an analog signal to the interface;
- and
- control logic to activate the digital circuit or the analog circuit.
2 more elements
A fluid ejection die comprising:
- a multipurpose input/output contact pad;
- a digital circuit to output a digital signal to the multipurpose input/output contact pad;
- an analog circuit to output an analog signal to the multipurpose input/output contact pad;
- and
- control logic to activate the digital circuit or the analog circuit.
2 more elements
Dependencies are inferred from the claim text.