Dell Products Inc.

Frank Van Valkenhoef

Priyank Gajiwala

Michiel Knoppert

Thomas Marcus Hinskens

James Henry Hallar

Samuel Mark Broadbent

A haptic keyboard of an information handling system may comprise a coversheet to identify a key location, a support layer, a contact foil placed between the coversheet and support layer, and a controller operatively coupled to the contact foil. The controller may receive a haptic actuation indicator signal via a processor or via the contact foil, send a first haptic feedback control signal to a first piezoelectric element to cause the first piezoelectric element to generate haptic tactile movement feedback at the key location, and send a second haptic feedback control signal to the first or a second piezoelectric element to cause the second piezoelectric element to generate haptic sound feedback in response to the haptic actuation indicator signal.

System and method for generating sound effects on fingertips with piezoelectric actuators of a haptic keyboard

A piezo haptic keyboard and touchpad user identification system may comprise a processor receiving an authenticating user input identifying an authorized user of the information handling system, and a controller operably connected to a plurality of piezo electric elements situated beneath the keyboard. The controller may detect haptic hardware typing or touch behavior parameters describing characteristics of a plurality of deformations of the piezo electric elements during interaction between the authorized user and the keyboard, and the processor may use machine learning to identify a repeated pattern of values for a combination of the haptic hardware typing or touch behavior parameters reoccurring during interaction between the authorized user and keyboard. The processor may associate the repeated pattern of values for the combination of the haptic hardware typing or touch behavior parameters with the authorized user for later, passive authentication of a user based on typing dynamics.

System and method for continuous user identification via piezo haptic keyboard and touchpad dynamics

A haptic keyboard of an information handling system may comprise a coversheet to identify an extended action key of the haptic keyboard, a support layer, a contact foil, and piezoelectric elements placed between the contact foil and support layer to receive an applied mechanical stress at the extended action key and generate an electric actuation signal. A controller may receive the electric actuation signal from a piezoelectric element placed under the mechanical stress, via the contact foil, and determine the level of mechanical stress applied to the piezoelectric element from the electric actuation signal to select an alphanumeric character from a plurality of alphanumeric characters based on the mechanical stress level applied to the extended action key and provide a response haptic feedback control signal to cause the piezoelectric element to generate haptic feedback.

System for extended key actions and haptic feedback and optimized key layout for a solid-state keyboard and touchpad

A haptic keyboard of an information handling system comprising a coversheet to identify keys of the haptic keyboard, a contact foil and a piezoelectric element to receive an applied mechanical stress at a first key of the coversheet and generate an electric actuation signal. A processor executing instructions of a haptic smart typing assistance system to detect and anticipate a next letter of a word being typed and a controller to receive an instruction of the anticipated next letter and increasing force required actuate at least one key for a letter adjacent to the anticipated next letter, and to send a response haptic feedback control signal to the piezoelectric element to cause the piezoelectric element to generate a first haptic feedback at the first key if the anticipated next letter is selected and to generate a second haptic feedback if a typographical error is detected.

System for modified key actions and haptic feedback for smart typing assist with a solid-state keyboard and touchpad

A haptic keyboard based sound system of an information handling system comprising a coversheet to identify a plurality of key locations of a haptic keyboard and a first key having a piezoelectric element for haptic tactile feedback upon key actuation, a support layer, a contact foil placed between the coversheet and support layer, and a haptic feedback and piezo sound controller operatively coupled to the contact foil to receive the mid-frequency portion of an audio signal and the high frequency portion of the audio signal from an audio controller operably connected to the haptic feedback and piezo sound controller, and send a piezo audio signal to the piezoelectric element to cause the piezoelectric element to generate a mid-frequency and high-frequency sound audio according to the received mid-frequency portion of an audio signal and the high frequency portion of the audio signal.

System and method for generating high-frequency and mid-frequency audible sound via piezoelectric actuators of a haptic keyboard

A haptic keyboard or touchpad of an information handling system comprising a coversheet to identify an extended action key of the haptic keyboard or extended action touchpad, a support layer, a contact foil, and piezoelectric elements placed between the contact foil and support layer to receive an applied mechanical stress at the extended action key or extended action touchpad of the coversheet and generate an electric actuation signal. A controller receive the electric actuation signal from a piezoelectric element placed under the mechanical stress via the contact foil and determine the level of mechanical stress applied to the piezoelectric element from the electric actuation signal to select a function from a plurality of function levels based on the mechanical stress level applied to the extended action key or extended action touchpad and providing a response haptic feedback control signal to cause the piezoelectric element to generate haptic feedback.

Growing community of inventors

Hertogenbosch, Netherlands

Frank Van Valkenhoef