Methods and apparatus for operating hysteresis on a hand held device
First Claim
1. A handheld device comprising:
- a housing;
a display;
a monolithically integrated MEMS-CMOS (Micro Electro Mechanical System-Complementary Metal Oxide Semiconductor) inertial sensor disposed within the housing, wherein the MEMS-CMOS inertial sensor is configured to sense a change in spatial orientation when a user reorients the handheld device, wherein the monolithically integrated MEMS-CMOS inertial sensor comprises;
a first semiconductor substrate having a first surface region;
one or more CMOS integrated circuit devices provided on a CMOS integrated circuit device region overlying the first surface region, the CMOs integrated circuit device region having a CMOS surface region;
a dielectric region overlying the CMOS surface region, the dielectric region having a cavity region provided therein;
a second semiconductor substrate having a second surface region overlying the dielectric region and enclosing the cavity region, the second semiconductor substrate having a spring region overlying a vicinity of the cavity region;
a first piezo resistor device provided within a first portion of the spring region of the second semiconductor substrate;
a second piezo resistor device provided within a second portion of the spring region of the second semiconductor substrate; and
a mass of material coupled to a portion of the spring region of the second semiconductor substrate between the second piezo resistor device and the first piezo resistor device, the mass material being overlying the cavity region and coupled to the spring region to be movable from at least a first position to a second position and to be sensed respectively by either or both the first piezo resistor device and the second piezo resistor device; and
a processor disposed within the housing and coupled to the MEMS-CMOS inertial sensor and to the display,wherein the processor is programmed to receive the change in spatial orientation of the handheld device,wherein the processor is programmed to output an indication of the change in spatial orientation on the display,wherein the processor is programmed to implement a hysteresis adjustment for outputting indications of the spatial orientation of the handheld device,wherein a threshold for the change of spatial orientation from at least a first orientation to at least a second orientation is associated with a first threshold and a first indication outputted to the display, andwherein the threshold for the change of spatial orientation from at least the second orientation to at least the first orientation is associated with a second threshold and a second indication outputted to the display, wherein a range between the first and second threshold configured as an “
unknown”
region that will not generate an output.
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Accused Products
Abstract
A handheld device and methods of operation. The device includes a housing and a display. A device may include a MEMS inertial sensor disposed within the housing, wherein the MEMS inertial sensor is configured to sense a change in spatial orientation when the user reorients the handheld device. A system may include a processor disposed within the housing and coupled to the MEMS inertial sensor and to the display, wherein the processor is programmed to receive the change in spatial orientation of the handheld device, and wherein the processor is programmed output an indication of the change in spatial orientation on the display. A computer implemented method for a handheld computer system for determining spatial orientation is also disclosed.
201 Citations
20 Claims
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1. A handheld device comprising:
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a housing; a display; a monolithically integrated MEMS-CMOS (Micro Electro Mechanical System-Complementary Metal Oxide Semiconductor) inertial sensor disposed within the housing, wherein the MEMS-CMOS inertial sensor is configured to sense a change in spatial orientation when a user reorients the handheld device, wherein the monolithically integrated MEMS-CMOS inertial sensor comprises; a first semiconductor substrate having a first surface region; one or more CMOS integrated circuit devices provided on a CMOS integrated circuit device region overlying the first surface region, the CMOs integrated circuit device region having a CMOS surface region; a dielectric region overlying the CMOS surface region, the dielectric region having a cavity region provided therein; a second semiconductor substrate having a second surface region overlying the dielectric region and enclosing the cavity region, the second semiconductor substrate having a spring region overlying a vicinity of the cavity region; a first piezo resistor device provided within a first portion of the spring region of the second semiconductor substrate; a second piezo resistor device provided within a second portion of the spring region of the second semiconductor substrate; and a mass of material coupled to a portion of the spring region of the second semiconductor substrate between the second piezo resistor device and the first piezo resistor device, the mass material being overlying the cavity region and coupled to the spring region to be movable from at least a first position to a second position and to be sensed respectively by either or both the first piezo resistor device and the second piezo resistor device; and a processor disposed within the housing and coupled to the MEMS-CMOS inertial sensor and to the display, wherein the processor is programmed to receive the change in spatial orientation of the handheld device, wherein the processor is programmed to output an indication of the change in spatial orientation on the display, wherein the processor is programmed to implement a hysteresis adjustment for outputting indications of the spatial orientation of the handheld device, wherein a threshold for the change of spatial orientation from at least a first orientation to at least a second orientation is associated with a first threshold and a first indication outputted to the display, and wherein the threshold for the change of spatial orientation from at least the second orientation to at least the first orientation is associated with a second threshold and a second indication outputted to the display, wherein a range between the first and second threshold configured as an “
unknown”
region that will not generate an output. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for a handheld computer system for determining spatial orientation comprising:
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sensing, in a monolithically integrated MEMS-CMOS (Micro Electro Mechanical System-Complementary Metal Oxide Semiconductor) inertial sensor disposed within the handheld computer system, a change in spatial orientation in response to a user spatially reorienting the handheld device; wherein the monolithically integrated MEMS-CMOS inertial sensor comprises; a first semiconductor substrate having a first surface region; one or more CMOS integrated circuit devices provided on a CMOS integrated circuit device region overlying the first surface region, the CMOs integrated circuit device region having a CMOS surface region; a dielectric region overlying the CMOS surface region, the dielectric region having a cavity region provided therein; a second semiconductor substrate having a second surface region overlying the dielectric region and enclosing the cavity region, the second semiconductor substrate having a spring region overlying a vicinity of the cavity region; a first piezo resistor device provided within a first portion of the spring region of the second semiconductor substrate; a second piezo resistor device provided within a second portion of the spring region of the second semiconductor substrate; and a mass of material coupled to a portion of the spring region of the second semiconductor substrate between the second piezo resistor device and the first piezo resistor device, the mass material being overlying the cavity region and coupled to the spring region to be movable from at least a first position to a second position and to be sensed respectively by either or both the first piezo resistor device and the second piezo resistor device; determining, in a processor, the spatial orientation of the handheld device, wherein the determining comprises determining in the processor, programmed to implement a hysteresis adjustment for the displaying of indications, the spatial orientation of the handheld computer system, wherein a threshold for the change of spatial orientation from at least a first orientation to at least a second orientation is associated with a first threshold and a first indication outputted to the display, and wherein the threshold for the change of spatial orientation from at least the second orientation to at least the first orientation is associated with a second threshold and a second indication outputted to the display, wherein a range between the first and second threshold configured as an “
unknown”
region that will not generate an output; anddisplaying, on a display, an indication of the spatial orientation of the handheld device. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification