Printing TRIZ Cases

A segmented cavitation plate physically separates a fluidic chamber from a heating element while sensing impedance changes during drive bubble formation.

A liquid cartridge uses a curved bottom region to guide ink flow toward the lowest point for efficient supply.

Protrusions and notches align the IC substrate, eliminating complex image processing during assembly.

Shared data lines with interleaved access expand memory capacity and throughput without increasing address line complexity.

Expanded flow channel sections reduce ink pulsation, while temperature sensors in the flow path ensure precise viscosity control for stable discharge.

Sidewall and floor inlets provide redundant ink paths, preventing blockages in high-resolution printheads.

A display unit visualizes drive waveform candidates using multi-axis evaluation data to aid selection.

Segmented ink tanks with pressure reduction and circulation paths resolve degassing inefficiencies in large-capacity reservoirs.

Variable recess depths in the communication plate resolve trade-offs between manifold volume and flow path resistance, ensuring stable ink discharge.

Through-silicon connector rods route power to MEMS drive circuitry, eliminating wirebond protrusions that prevent a planar ink ejection face.

Information processing apparatus determines drive pulse waveforms using evaluation results and user inputs.

Shifts roller positions during idle periods to avoid deformed tube sections, reducing collision noise upon restart.

Dual reservoir circulation maintains pigment suspension during idle periods, preventing flow path blocking from particle agglomeration.

Hollows in the piezoelectric layer reduce corner stress concentration, preventing cracks while improving displacement efficiency.

A dual liquid ejecting passage system manages ink filling and air deaeration through a variable passage resistor.

Fluid bath traverses printhead to dislodge particulates via velocity gradients and foam entrainment.

A piezoelectric inkjet drive signal uses linear voltage changes for discharge and sine waves to control meniscus vibration.

A liquid jetting apparatus recovers driving energy from the inkjet head to power a dedicated mist removing unit.

Controlling the rhombohedral to tetragonal crystal molar ratio between 0.54 and 1.20 suppresses leak current in lead-free compositions.

A multi-section nozzle geometry accelerates fluid break-off through controlled velocity differences.

A liquid ejecting apparatus detects structural defects by monitoring pressure fluctuations in adjacent chambers driven by a single actuator.

Crank portions in wiring spaces suppress substrate gaps and block sealing material entry, maintaining piezoelectric actuator rigidity.

A liquid discharging apparatus uses a shielded cable and non-shielded cable arrangement to maintain signal integrity.

A controller estimates liquid viscosity using discharge energy and residual pressure data from a droplet discharging head.

Suction removes excess ink during tank exchange, preventing filter clogging caused by air exposure and viscosity increase.

Sheet-shaped absorbing member presses onto nozzle guard opening to capture ink from the ejection surface gap.

A liquid discharging head uses segmented nozzle portions to control pressure gradients and invert the liquid surface shape for stable droplet ejection.

A fluid level sensor uses a housing knob with an orientation indicator to position the sensing element accurately.

Opposing mold piece drafts maintain uniform partition wall thickness in liquid ejection heads, preventing sink defects and short circuits during molding.

Merging distributed contacts into a single location shrinks pressure chamber substrates, increasing silicon wafer yield and lowering manufacturing costs.

Symmetric temperature sensors detect diagonal liquid ejection via differential signal comparison.

Recessed housing positions temperature sensors to ensure identical thermal deformation, enabling unified correction control and reducing operation time.

A liquid ejecting head design adjusts the level difference between the nozzle plate and protective member using a separate flow path member.

Platen receiver holes generate targeted airflow to shift ink impacts, eliminating white streaks at record band boundaries.

A heating device uses a zero-cross detection circuit to identify abnormal input waveforms and control power supply periods.

A liquid container uses a bypass path to route ink through an air open hole during filling.

Covering film seals with adjacent wall surfaces prevents impurity contamination from vibration welding debris.

A liquid containing vessel uses a filter chamber and low pressure chamber to remove contaminants from ink.

A drive waveform generator supplies distinct potential change signals to piezoelectric devices in liquid discharge apparatuses.

Local bonding on fiber substrates improves conformability and absorption efficiency while preventing ink leakage in liquid ejection apparatuses.

Controller drives piezoelectric elements during voltage rise, reducing liquid discharging apparatus startup time.

A liquid housing container recycling method removes the inner body to inject a controlled volume of liquid and seals it for rehousing.

A frusto-conical air purge opening channels gas bubbles away from ink flow paths to prevent occlusion and maintain reliable device operation.

A dedicated discharge unit creates negative pressure to draw ink back into the supply path, preventing leakage during replacement without adding complexity.

Flat belts cover caps during paper transport to prevent powder adhesion and ensure reliable ink sealing.

Segmented welding projections bond a cover sheet to a cartridge wall, preventing ink leakage from unstable adhesion gaps.

Identical thermal expansion plates sandwich the nozzle film to prevent structural bending during laser machining, resolving coating durability trade-offs.

An ink-jet head uses dedicated air discharge ports to remove bubbles from the common ink chamber.

Merging two rows of pressure generating chambers onto one fixing member reduces component count while maintaining electrical connection reliability.