When assembled, the embedded actuator 308 in combination with the adhesive layer 312 forms a seal between the touch- sensitive input device 304 and display 306. The embedded actuator, 308 is coupled to the display 306, such as to a frame of the display 306, by a layer of adhesive 312. The piezoelectric actuator 308 is substantially completely embedded in a polymer matrix 310, such as silicone. 3 also comprises a piezoelectric actuator 308. In other embodiments the piezoelectric actuator 118 is a composite piezoelectric actuator. In some embodiments, the piezoelectric actuator is a monolithic piezoelectric actuator. This modulation causes the piezoelectric actuator 118 to output a variety of haptic effects. In one embodiment, the processor 110 generates a haptic signal with a modulating current and/or voltage. In other embodiments, the piezoelectric actuator can be configured to output other types of effects, such as, for example, clicking or popping effects. In some embodiments, the actuator vibrates between approximately 60 hertz and 300 hertz. For instance, the processor 110 may output a haptic signal designed to cause the piezoelectric actuator to vibrate. The processor 110 outputs a haptic signal to the piezoelectric actuator 118, which then outputs a haptic effect based on the haptic signal. The mobile device 102 also comprises a piezoelectric actuator 118, which is in communication with the processor 110 and configured to output a haptic effect. H10N30/00- Piezoelectric or electrostrictive devices.H10N- ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR.H10- SEMICONDUCTOR DEVICES ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR.for touch screens or touch pads, characterised by the transducing means G06F3/03- Arrangements for converting the position or the displacement of a member into a coded form.G06F3/016- Input arrangements with force or tactile feedback as computer generated output to the user.G06F3/01- Input arrangements or combined input and output arrangements for interaction between user and computer.G06F3/00- Input arrangements for transferring data to be processed into a form capable of being handled by the computer Output arrangements for transferring data from processing unit to output unit, e.g.G06- COMPUTING CALCULATING OR COUNTING.Assignors: CRUZ-HERNANDEZ, JUAN MANUEL, GRANT, DANNY, MODARRES, ALI Publication of US20140306904A1 publication Critical patent/US20140306904A1/en Application granted granted Critical Publication of US9035899B2 publication Critical patent/US9035899B2/en Status Expired - Fee Related legal-status Critical Current Anticipated expiration legal-status Critical Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Immersion Corp filed Critical Immersion Corp Priority to US14/246,377 priority Critical patent/US9035899B2/en Assigned to IMMERSION CORPORATION reassignment IMMERSION CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Immersion Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Ali Modarres Juan Manuel Cruz-Hernandez Danny Grant Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US14/246,377 Other versions US20140306904A1 Google Patents Systems and methods for piezo-based haptic feedbackÄownload PDF Info Publication number US9035899B2 US9035899B2 US14/246,377 US201414246377A US9035899B2 US 9035899 B2 US9035899 B2 US 9035899B2 US 201414246377 A US201414246377 A US 201414246377A US 9035899 B2 US9035899 B2 US 9035899B2 Authority US United States Prior art keywords piezoelectric actuator polymer matrix input device processor touch Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US9035899B2 - Systems and methods for piezo-based haptic feedback US9035899B2 - Systems and methods for piezo-based haptic feedback
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