# US 11,029,743 B2 · Information processing device and information processing method

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- Number: US 11,029,743 B2
- Document ID: US11029743B2
- Status: Granted
- Kind: B2
- Application number: 15/779,981
- Filed: 2016-09-30
- Published: 2018-12-20
- Granted: 2021-06-08
- Earliest claimed: 2015-12-18
- Assignees: Sony Corporation
- Applicants: Sony Corporation
- Inventors: Yasutaka Fukumoto
- Web page: https://patentgrep.com/patent/US11029743B2

## CPC

- G06F 1/3231: Monitoring the presence, absence or movement of users
- G01C 21/16: by integrating acceleration or speed, i.e. inertial navigation
- G01C 21/20: Instruments for performing navigational calculations (G01C21/24, G01C21/26 take precedence)
- G01C 21/26: specially adapted for navigation in a road network
- G06F 1/32: Means for saving power
- G06F 1/3287: by switching off individual functional units in the computer system
- G08G 1/005: including pedestrian guidance indicator
- H04M 1/00: Substation equipment, e.g. for use by subscribers (subscriber services or facilities provided at exchanges H04M3/00; prepayment telephone coin boxes H04M17/00; current supply arrangements H04M19/08)
- H04W 4/027: {using movement velocity, acceleration information}
- Y02D 30/70: in wireless communication networks
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S)
- G08G: TRAFFIC CONTROL SYSTEMS (guiding railway traffic, ensuring the safety of railway traffic B61L; arrangement of road signs or traffic signals E01F9/00; radar or analogous systems, sonar systems, lidar systems specially adapted for traffic control G01S13/91, G01S15/88, G01S17/88; {radar or analogous systems, sonar systems, lidar systems specially adapted for anti-collision purposes G01S13/93, G01S15/93, G01S17/93})
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

Provided is an information processing device that includes an acquisition unit configured to acquire sensing data and a mode changing unit configured to change a mode on a basis of the sensing data. The acquisition unit changes sensing data to be acquired on a basis of the change of the mode.

## Claims

### Claim 1

An information processing device, comprising:
a first processor;
a second processor different from the first processor;
a third processor different from the first processor and the second processor; and
circuitry configured to:
acquire, in a first mode of the information processing device, first sensing data from a sensor, wherein the first mode corresponds to a stop state of one of a user or an object;
process, in the first mode, the acquired first sensing data by the first processor;
change from the first mode to a second mode of the information processing device based on the processed first sensing data, wherein the second mode corresponds to a moving and stopping state of the one of the user or the object;
change from the first processor to the second processor based on the change from the first mode to the second mode, wherein the first processor corresponds to the first mode and the second processor corresponds to the second mode;
acquire, in the second mode, second sensing data from the sensor based on the change from the first mode to the second mode, wherein the second sensing data is different from the first sensing data;
determine, by the second processor in the second mode, that the one of the user or the object is in the stop state for a first number of times based on the acquired second sensing data, wherein the first number of times is less than a first threshold number of times;
determine, by the second processor in the second mode, that the one of the user or the object is in a moving state for a second number of times based on the acquired second sensing data, wherein
the second number of times is more than a second threshold number of times, and
the determination that the one of the user or the object is in the moving state for the second number of times is based on the determination that the one of the user or the object is in the stop state for the first number of times which is less than the first threshold number of times;
change from the second mode to a third mode of the information processing device based on the determination that the one of the user or the object is in the moving state for the second number of times which is more than the second threshold number of times,
wherein the third mode corresponds to a continuously moving state of the one of the user or the object;
change from the second processor to the third processor based on the change from the second mode to the third mode and the change from the first processor to the second processor, wherein the third processor corresponds to the third mode;
acquire, in the third mode, third sensing data from the sensor based on the change from the second mode to the third mode, wherein the third sensing data is different from the first sensing data and the second sensing data;
process, in the third mode, the acquired third sensing data by the third processor; and
determine motion of the one of the user or the object motion based on the processed third sensing data.

### Claim 2 (depends on 1)

The information processing device according to claim 1, wherein the circuitry is further configured to
change from the third mode to the second mode based on the determination of the motion of the one of the user or the object, and the change from the second mode to the third mode.

### Claim 3 (depends on 1)

The information processing device according to claim 1, wherein the sensor corresponds to an acceleration sensor.

### Claim 4 (depends on 1)

The information processing device according to claim 1, wherein a number of types of the acquired second sensing data is larger than a number of types of the acquired first sensing data.

### Claim 5 (depends on 1)

The information processing device according to claim 1, wherein the sensor has a larger power consumption in the second mode than in the first mode.

### Claim 6 (depends on 1)

The information processing device according to claim 1, wherein the circuitry is further configured to change a sampling frequency of the acquisition of the second sensing data based on the change from the first mode to the second mode.

### Claim 7 (depends on 6)

The information processing device according to claim 6, wherein the sampling frequency of the acquisition of the second sensing data, in the second mode, is higher than a sampling frequency of the acquisition of the first sensing data in the first mode.

### Claim 8 (depends on 1)

The information processing device according to claim 1, wherein the second processor has a higher power consumption than the first processor, and the third processor has a higher power consumption than the second processor.

### Claim 9 (depends on 1)

The information processing device according to claim 1, wherein the circuitry is further configured to acquire the second sensing data, different from the acquired first sensing data and the acquired third sensing data, based on a determination result of the determination of the motion of the one of the user or the object.

### Claim 10

An information processing method, comprising:
in an information processing device including a first processor, a second processor different from the first processor, a third processor different from the first processor and the second processor, and circuitry:
acquiring, by the circuitry, first sensing data from a sensor, wherein
the first sensing data is acquired in a first mode of the information processing device, and
the first mode corresponds to a stop state of one of a user or an object;
processing, by the first processor, the acquired first sensing data in the first mode;
changing, by the circuitry, from the first mode to a second mode of the information processing device based on the processed first sensing data, wherein the second mode corresponds to a moving and stopping state of the one of the user or the object;
changing, by the circuitry, from the first processor to the second processor based on the change from the first mode to the second mode, wherein the first processor corresponds to the first mode and the second processor corresponds to the second mode;
acquiring, by the circuitry, second sensing data from the sensor based on the change from the first mode to the second mode, wherein
the second sensing data is different from the first sensing data, and
the second sensing data is acquired in the second mode;
determining, by the second processor in the second mode, that the one of the user or the object is in the stop state for a first number of times based on the acquired second sensing data, wherein the first number of times is less than a first threshold number of times;
determining, by the second processor in the second mode, that the one of the user or the object is in a moving state for a second number of times, wherein
the second number of times is more than a second threshold number of times, and
the determination that the one of the user or the object is in the moving state for the second number of times is based on the determination that the one of the user or the object is in the stop state for the first number of times which is less than the first threshold number of times;
changing, by the circuitry, from the second mode to a third mode of the information processing device based on the determination that the one of the user or the object is in the moving state for the second number of times which is more than the second threshold number of times,
wherein the third mode corresponds to a continuously moving state of the one of the user or the object;
changing, by the circuitry, from the second processor to the third processor based on the change from the second mode to the third mode and the change from the first processor to the second processor, wherein the third processor corresponds to the third mode;
acquiring, by the circuitry, third sensing data from the sensor based on the change from the second mode to the third mode, wherein the third sensing data is different from the first sensing data and the second sensing data;
processing, by the third processor, the acquired third sensing data in the third mode; and
determining, by the circuitry, motion of one of the user or the object based on the processed third sensing data.

### Claim 11

A non-transitory computer-readable medium having stored thereon, computer-executable instructions which when executed by a computer of an information processing device, cause the computer to execute operations, the operations comprising:
acquiring, in a first mode of the information processing device, first sensing data from a sensor, wherein the first mode corresponds to a stop state of one of a user or an object;
processing, in the first mode, the acquired first sensing data by a first processor of the information processing device;
changing from the first mode to a second mode of the information processing device based on the processed first sensing data, wherein the second mode corresponds to a moving and stopping state of the one of the user or the object;
changing from the first processor to a second processor, of the information processing device, based on the change from the first mode to the second mode, wherein
the first processor corresponds to the first mode and the second processor corresponds to the second mode, and
the second processor is different from the first processor;
acquiring, in the second mode, second sensing data from the sensor based on the change from the first mode to the second mode, wherein the second sensing data is different from the first sensing data;
determining, by the second processor in the second mode, that the one of the user or the object is in the stop state for a first number of times based on the acquired second sensing data, wherein the first number of times is less than a first threshold number of times;
determining, by the second processor in the second mode, that the one of the user or the object is in a moving state for a second number of times based on the acquired second sensing data, wherein
the second number of times is more than a second threshold number of times, and
the determination that the one of the user or the object is in the moving state for the second number of times is based on the determination that the one of the user or the object is in the stop state for the first number of times which is less than the first threshold number of times;
changing from the second mode to a third mode of the information processing device based on the determination that the one of the user or the object is in the moving state for the second number of times which is more than the second threshold number of times,
wherein the third mode corresponds to a continuously moving state of the one of the user or the object;
changing from the second processor to a third processor, of the information processing device, based on the change from the second mode to the third mode and the change from the first processor to the second processor, wherein
the third processor corresponds to the third mode, and
the third processor is different from the first processor and the second processor;
acquiring, in the third mode, third sensing data from the sensor based on the change from the second mode to the third mode, wherein the third sensing data is different from the first sensing data and the second sensing data;
processing, in the third mode, the acquired third sensing data by the third processor; and
determining motion of the one of the user or the object based on the processed third sensing data.