MECHANICALLY SENSITIVE POWER EFFICIENT STYLUS FOR AN ELECTRONIC DEVICE
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United States of America Patent
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Issued Date -
Aug 31, 2023
app pub date -
Aug 25, 2021
filing date -
Aug 27, 2020
priority date (Note) -
Published
status (Latency Note)
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Abstract
An input device comprising: a printed circuit board (PCB) comprising non-linear circuitry; resistive circuitry including a force-sensitive resistor (FSR) coupled to the PCB in parallel with the non-linear circuitry; and a hinge coupled to the PCB and the FSR configured to strain the FSR in response to a force applied to a tip of the input device. A stylus comprising: a housing; and stylus circuitry at least partially positioned within the housing, wherein the stylus circuitry comprises: body circuitry; a front tip interface; and front tip stylus circuitry positioned between and electrically coupled to the body circuitry and the front tip interface, wherein the front tip stylus circuitry comprises non-linear circuitry in parallel with physical interaction characteristic (PIC) circuitry; wherein the front tip stylus circuitry is operative to provide a non-linear load between the body circuitry and the front tip interface when the stylus is stimulated by an external stimulation; wherein the non-linear load is operative to provide a stylus electric field that is detectable by an electronic device when the front tip interface of the stylus is positioned adjacent an input surface of the electronic device; and wherein a resistance of the PIC circuitry is adjustable based on a force applied to the tip interface or based on a tilt angle of the stylus. An electronic device comprising: a plurality of first electrodes; a plurality of second electrodes; stimulation and sensing circuitry configured to transmit signals on the plurality of first electrodes and sense receive signals on the plurality of second electrodes; and processing circuitry configured to: extract, from the sensed receive signals, data indicative of a non-linear response to the transmit signals; estimate a position of an accessory on a surface of the electronic device based on the extracted data; and estimate a force applied to the accessory in contact with the surface of the electronic device or a tilt angle of the accessory relative to the surface of the electronic device based on the extracted data.

First Claim
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SHAPIRTEN LABORATORIES LLC | WILMINGTON DE |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
AYANOOR-VITIKKATE, Vipin | Pleasanton, US | 15 | 87 |
BECHSTEIN, Daniel J | Mountain View, US | 6 | 15 |
DUONG, Duc T | San Jose, US | 1 | 4 |
FILIZ, Sinan | San Mateo, US | 33 | 1069 |
SHARMA, Vyom | Newark, US | 8 | 9 |
SMITH, John S | San Jose, US | 20 | 865 |
VOSGUERITCHIAN, Michael | San Francisco, US | 19 | 234 |
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