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US 11,770,658 B2Granted
Sensor interface including resonator and differential amplifier
AssigneeSamsung Electronics Co., Ltd.
InventorsHyunwook Kang, Sungchan Kang, Cheheung Kim, Choongho Rhee, Hyeokki Hong
Life of this patent
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Abstract
Provided is a sensor interface including a first cantilever beam bundle including at least one resonator and a first output terminal, a second cantilever beam bundle including at least one resonator and a second output terminal, and a differential amplifier including a first input terminal electrically connected to the first output terminal of the first cantilever beam bundle and a second input terminal electrically connected to the second output terminal of the second cantilever beam bundle.
Claims18
A sensor interface comprising:
- a first cantilever beam bundle comprising at least one resonator and a first output terminal;
- a second cantilever beam bundle comprising at least one resonator and a second output terminal;
- and
- a differential amplifier comprising a first input terminal electrically connected to the first output terminal of the first cantilever beam bundle and a second input terminal electrically connected to the second output terminal of the second cantilever beam bundle,
- wherein each of the at least one resonator of the first cantilever beam bundle and each of the at least one resonator of the second cantilever beam bundle comprises a sensor,
- wherein the sensor comprises an upper electrode, a piezoelectric material layer, and a lower electrode,
- wherein the upper electrode of the at least one resonator of the first cantilever beam bundle is electrically connected to the first input terminal of the differential amplifier, and
- wherein the lower electrode of the at least one resonator of the second cantilever beam bundle is electrically connected to the second input terminal of the differential amplifier.
5 more elements
A sound processing device comprising:
- a sensor interface, the sensor interface comprising:
- a first cantilever beam bundle comprising at least one resonator and a first output terminal;
- a second cantilever beam bundle comprising at least one resonator and a second output terminal;
- and
- a differential amplifier comprising a first input terminal electrically connected to the first output terminal of the first cantilever beam bundle and a second input terminal electrically connected to the second output terminal of the second cantilever beam bundle;
- and
- a processor configured to process an output signal of the sensor interface,
- wherein each of the at least one resonator of the first cantilever beam bundle and each of the at least one resonator of the second cantilever beam bundle comprises a sensor,
- wherein the sensor comprises an upper electrode, a piezoelectric material layer, and a lower electrode,
- wherein the upper electrode of the at least one resonator of the first cantilever beam bundle is electrically connected to the first input terminal of the differential amplifier, and
- wherein the lower electrode of the at least one resonator of the second cantilever beam bundle is electrically connected to the second input terminal of the differential amplifier.
8 more elements
A sensor interface comprising:
- a first cantilever beam bundle comprising a plurality of resonators and a first output terminal;
- a second cantilever beam bundle comprising a plurality of resonators and a second output terminal;
- and
- a differential amplifier comprising a first input terminal electrically connected to the first output terminal of the first cantilever beam bundle and a second input terminal electrically connected to the second output terminal of the second cantilever beam bundle,
- wherein a first frequency band of a signal filtered by the first cantilever beam bundle is different from a second frequency band of a signal filtered by the second cantilever beam bundle,
- wherein each of the at least one resonator of the first cantilever beam bundle and each of the at least one resonator of the second cantilever beam bundle comprises a sensor,
- wherein the sensor comprises an upper electrode, a piezoelectric material layer, and a lower electrode,
- wherein the upper electrode of the at least one resonator of the first cantilever beam bundle is electrically connected to the first input terminal of the differential amplifier, and
- wherein the lower electrode of the at least one resonator of the second cantilever beam bundle is electrically connected to the second input terminal of the differential amplifier.
6 more elements
Dependencies are inferred from the claim text.