IP Library Granted Patent US 12694599
Granted Patent B2
US 12694599 · App. 18/719,923 · Granted Jul 28, 2026

Apparent force control device, apparent force presentation system, apparent force control method, and program

Inventors: Yusuke Ujitoko (Tokyo, JP); Takahiro Kawabe (Tokyo, JP)
Assignee: NTT, Inc.
G06T13/80G06T13/20
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Quick Facts
Patent No.
US 12694599
App. No.
18/719,923
Granted
Jul 28, 2026
Kind
B2
Abstract

The present invention includes vibrating a second presentation visual object with respect to a first presentation visual object so as to include a vibration component of a specific control frequency, the second presentation visual object being in contact with or in proximity to the first presentation visual object, and making an apparent force appear to be applied from the second presentation visual object to the first presentation visual object.

Claims (51)

1 . An apparent force control device for creating illusion of a visual object applying a force upon another visual object, comprising processing circuitry configured to:

receive a magnitude of an apparent force that appears to be applied to a first presentation visual object by a second presentation visual object to be displayed on a screen;

transform the received magnitude of the apparent force into vibration control information for vibrating the second presentation visual object relative to the first presentation visual object, wherein the vibration control information comprises a vibration component of a predetermined control frequency corresponding to the received magnitude of the apparent force; and

create displayed illusion of the second presentation visual object applying the magnitude of the apparent force upon the first presentation visual object by updating display of the second presentation visual object according to the vibration control information, wherein the second presentation visual object is within proximity of the first presentation visual object.

2 . The apparent force control device according to claim 1 , wherein

the predetermined control frequency represents a frequency in a range between 4 times per second and 7 times per second.

3 . The apparent force control device according to claim 1 , wherein

the vibration control information includes information for controlling magnitude of the vibration component of the predetermined control frequency included in vibration of the second presentation visual object relative to the first presentation visual object.

4 . An apparent force control device comprising processing circuitry configured to:

receive designation information for designating magnitude of an apparent force that appears to be applied to a first visual object by a second visual object to be displayed on a screen;

using information indicating a correspondence between a vibration index representing magnitude of a vibration component of a predetermined control frequency and an apparent force index, the apparent force index representing the magnitude of the apparent force that appears to be applied from the second visual object to the first visual object by vibrating the second visual object with respect to the first visual object, the second visual object being within proximity of the first visual object, so as to include the vibration component of the predetermined control frequency having the magnitude represented by the vibration index,

transform the received magnitude of the apparent force into vibration control information indicating the magnitude of the vibration component of the predetermined control frequency represented by the vibration index for vibrating the second visual object relative to the first visual object,

the vibration control information comprises a vibration component of the predetermined control frequency corresponding to the received magnitude of the apparent force, and the vibration control information corresponding to the apparent force index representing the magnitude of the apparent force designated by the designation information; and

create displayed illusion of the second visual object applying the magnitude of the apparent force upon the first visual object by updating display of the second visual object according to the vibration control information, wherein the second visual object is within proximity of the first visual object.

5 . The apparent force control device according to claim 1 , wherein

the vibration control information is

information for vibrating a fourth presentation visual object with respect to a third presentation visual object, the fourth presentation visual object being within proximity of the third presentation visual object to be presented together with the first presentation visual object, so as to include the vibration component of the predetermined control frequency, and making an apparent force appear to be applied from the fourth presentation visual object to the third presentation visual object, and is

information for independently controlling

the magnitude of the vibration component of the predetermined control frequency included in the vibration of the second presentation visual object with respect to the first presentation visual object, and

the magnitude of the vibration component of the predetermined control frequency included in the vibration of the fourth presentation visual object with respect to the third presentation visual object.

6 . The apparent force control device according to claim 1 , wherein the processing circuitry is configured to further:

obtain and output a presentation visual object indicating a state in which the second presentation visual object vibrates with respect to the first presentation visual object so as to include the vibration component of the predetermined control frequency on the basis of the vibration control information.

7 . An apparent force presentation system comprising:

the apparent force control device according to claim 6 , the processing circuitry further configured to:

obtain and output a command for vibrating the second presentation visual object with respect to the first presentation visual object so as to include the vibration component of the predetermined control frequency on the basis of the vibration control information,

wherein

the apparent force control device outputs the command, and

the apparent force presentation system further comprising:

a presentation device that presents a state in which the second presentation visual object vibrates with respect to the first presentation visual object according to the command; and

an image capturing device that captures the state presented by the presentation device to obtain a video.

8 . An apparent force control method for creating illusion of a visual object applying a force upon another visual object, the apparent force control method comprising:

receiving a magnitude of an apparent force that appears to be applied to a first presentation visual object by a second presentation visual object to be displayed on a screen;

transforming the received magnitude of the apparent force into vibration control information for vibrating the second presentation visual object relative to the first presentation visual object, wherein the vibration control information comprises a vibration component of a predetermined control frequency corresponding to the received magnitude of the apparent force; and

creating displayed illusion of the second presentation visual object applying the magnitude of the apparent force upon the first presentation visual object by updating display of the second visual object according to the vibration control information, wherein the second presentation visual object is within proximity of the first presentation visual object.

9 . A non-transitory computer-readable recording medium storing program for causing a computer to function as the apparent force control device according to claim 1 .

10 . An apparent force control device for creating illusion of a visual object applying a force upon another visual object, comprising processing circuitry configured to:

receive a magnitude of an apparent force that appears to be applied to a first presentation visual object by a second presentation visual object presented by a physical object;

transform the received magnitude of the apparent force into vibration control information for vibrating the second presentation visual object relative to the first presentation visual object, wherein the vibration control information comprises a vibration component of a predetermined control frequency corresponding to the received magnitude of the apparent force; and

create visual illusion of the second presentation visual object applying the magnitude of the apparent force upon the first presentation visual object by mechanically vibrating at least a part of the second presentation visual object according to the vibration control information, wherein the second presentation visual object is within proximity of the first presentation visual object.

11 . An apparent force control device comprising processing circuitry configured to:

receive designation information for designating magnitude of an apparent force that appears to be applied to a first visual object by a second visual object to be displayed on a screen;

using information indicating a correspondence between a vibration index representing magnitude of a vibration component of a predetermined control frequency and an apparent force index, the apparent force index representing the magnitude of the apparent force that appears to be applied from the second visual object to the first visual object by vibrating the second visual object with respect to the first visual object, the second visual object being within proximity of the first visual object, so as to include the vibration component of the predetermined control frequency having the magnitude represented by the vibration index,

transform the received magnitude of the apparent force into vibration control information indicating the magnitude of the vibration component of the predetermined control frequency represented by the vibration index for vibrating the second visual object relative to the first visual object,

the vibration control information comprises a vibration component of the predetermined control frequency corresponding to the received magnitude of the apparent force, and the vibration control information corresponding to the apparent force index representing the magnitude of the apparent force designated by the designation information; and

create visual illusion of the second visual object applying the magnitude of the apparent force upon the first visual object by mechanically vibrating at least a part of the second visual object according to the vibration control information, wherein the second visual object is within proximity of the first visual object.

12 . An apparent force control method for creating illusion of a visual object applying a force upon another visual object, the apparent force control method comprising:

receiving a magnitude of an apparent force that appears to be applied to a first presentation visual object by a second presentation visual object to be displayed on a screen;

transforming the received magnitude of the apparent force into vibration control information for vibrating the second presentation visual object relative to the first presentation visual object, wherein the vibration control information comprises a vibration component of a predetermined control frequency corresponding to the received magnitude of the apparent force; and

creating visual illusion of the second presentation visual object applying the magnitude of the apparent force upon the first presentation visual object by mechanically vibrating at least a part of the second presentation visual object according to the vibration control information, wherein the second presentation visual object is within proximity of the first presentation visual object.

13 . A non-transitory computer-readable recording medium storing program for causing a computer to function as the apparent force control device according to claim 10 .

14 . A non-transitory computer-readable recording medium storing program for causing a computer to function as the apparent force control device according to claim 11 .