Granted Patent B2

US 12,408,119 · App. 18/095,741 · Granted Sep 2, 2025

Inventors: Jongmin Yoon (Suwon-si, KR); Chulkwi Kim (Suwon-si, KR)

Assignee: SAMSUNG ELECTRONICS CO., LTD.

H04W52/285

Abstract

Claims (71)

1. A wearable device comprising:

a first sensor;

at least one second sensor; and

at least one processor configured to:

control the first sensor to transmit a first signal with a first strength;

identify a position of a first object based on a first response signal to the first signal;

based on the identified position of the first object, control the first sensor to transmit a second signal with a second strength corresponding to a first distance between the wearable device and the first object;

detect, by using the at least one second sensor, a movement of the wearable device, the movement of the wearable device comprising at least one of a position change of the wearable device and a direction change of the wearable device; and

determine whether to adjust the second strength, based on at least one of the movement of the wearable device and the position of the first object.

2. The wearable device of claim 1 , wherein the at least one processor is further configured to:

identify, by using the at least one second sensor, whether the wearable device is moving in a first moving direction;

control the first sensor to transmit the first signal in a first direction toward the first object based on identifying that the wearable device is moving in the first moving direction; and

control the first sensor to transmit a third signal corresponding to a second distance between a position of the wearable device and the first object and having a different strength from the first strength in the first direction.

3. The wearable device of claim 2 , wherein the at least one processor is further configured to control the first sensor to transmit the third signal based on whether a second response signal to the first signal is received from a second object different from the first object.

4. The wearable device of claim 2 , wherein the at least one processor is further configured to:

identify, by using the at least one second sensor, whether the wearable device is moving in a second moving direction opposite to the first moving direction; and

control the first sensor to transmit a fourth signal corresponding to a third distance between the position of the wearable device and the first object and having a different strength from the first strength in the first direction based on identifying that the wearable device is moving in the second moving direction.

5. The wearable device of claim 1 , wherein the first sensor comprises a plurality of light emitting units, and

wherein the at least one processor is further configured to:

identify, by using the at least one second sensor, whether the wearable device is turning in a first turning direction;

control the first sensor such that at least one first light emitting unit of the plurality of light emitting units transmits the second signal in a second direction toward the first object based on identifying that the wearable device is turning in the first turning direction; and

control the first sensor such that at least one second light emitting unit different from the at least one first light emitting unit among the plurality of light emitting units transmits the first signal in a direction different from the second direction toward the first object.

6. The wearable device of claim 5 , wherein the at least one processor is further configured to:

identify, by using the at least one second sensor, whether the wearable device is turning in a second turning direction opposite to the first turning direction;

control the first sensor such that at least one third light emitting unit of the plurality of light emitting units transmits the second signal in a third direction toward the first object based on identifying that the wearable device is turning in the second turning direction; and

control the first sensor such that at least one fourth light emitting unit different from the at least one third light emitting unit among the plurality of light emitting units transmits the first signal in a direction different from the third direction toward the first object.

7. The wearable device of claim 6 , wherein the first signal transmitted in the direction different from the third direction forms a first sensing range not overlapping with a second sensing range formed by the second signal.

8. The wearable device of claim 6 , wherein the wearable device is in a state in which a position of the wearable device is fixed when the wearable device is turning it at least one of the first turning direction and the second turning direction.

9. A signal control method of a wearable device, the signal control method comprising:

controlling a first sensor to transmit a first signal with a first strength;

identifying a position of a first object, based on a first response signal to the first signal;

based on the identified position of the first object, controlling the first sensor to transmit a second signal with a second strength corresponding to a first distance between the wearable device and the first object;

detecting, by using at least one second sensor, a movement of the wearable device, the movement of the wearable device comprising at least one of a position change of the wearable device and a direction change of the wearable device; and

determining whether to adjust the second strength, based on at least one of the movement of the wearable device and the position of the first object.

10. The signal control method of claim 9 , further comprising:

identifying, by using the at least one second sensor, whether the wearable device is moving in a first moving direction;

controlling the first sensor to transmit the first signal in a first direction toward the first object based on identifying that the wearable device is moving in the first moving direction; and

controlling the first sensor to transmit a third signal corresponding to a second distance between a position of the wearable device and the first object and having a different strength from the first strength in the first direction.

11. The signal control method of claim 10 , wherein the controlling of the first sensor to transmit the third signal is performed based on whether a second response signal to the first signal is received from a second object different from the first object.

12. The signal control method of claim 10 , further comprising:

identifying, by using the at least one second sensor, whether the wearable device is moving in a second moving direction opposite to the first moving direction; and

controlling the first sensor to transmit a fourth signal corresponding to a third distance between the position of the wearable device and the first object and having a different strength from the first strength in the first direction based on identifying that the wearable device is moving in the second moving direction.

13. The signal control method of claim 9 , further comprising:

identifying, by using the at least one second sensor, whether the wearable device is turning in a first turning direction;

controlling the first sensor such that that at least one first light emitting unit of a plurality of light emitting units of the first sensor transmits the second signal in a second direction toward the first object based on identifying that the wearable device is turning in the first turning direction; and

controlling the first sensor such that at least one second light emitting unit different from the at least one first light emitting unit among the plurality of light emitting units transmits the first signal in a direction different from the second direction toward the first object.

14. The signal control method of claim 13 , further comprising:

identifying, by using the at least one second sensor, whether the wearable device is turning in a second turning direction opposite to the first turning direction;

controlling the first sensor such that at least one third light emitting unit of the plurality of light emitting units transmits the second signal in a third direction toward the first object based on identifying that the wearable device is turning in the second turning direction; and

controlling the first sensor such that at least one fourth light emitting unit different from the at least one third light emitting unit among the plurality of light emitting units transmits the first signal in a direction different from the third direction toward the first object.

15. The signal control method of claim 14 , wherein the first signal transmitted in the direction different from the third direction toward the first object forms a first sensing range not overlapping with a second sensing range formed by the second signal.

16. An electronic device comprising:

a first sensor;

at least one second sensor; and

at least one processor configured to:

control the first sensor to transmit a first signal with a first strength in a first direction;

identify a position of a first object in the first direction, based on a response signal to the first signal;

based on the identified position of the first object, control the first sensor to transmit a second signal with a second strength corresponding to a first distance between the electronic device and the first object in the first direction;

detect, by using the at least one second sensor, a movement of the electronic device, the movement of the electronic device comprising at least one of moving of the electronic device and turning of the electronic device;

determine a second distance between the electronic device and the first object, based on detecting the movement of the electronic device; and

control the first sensor to transmit a third signal corresponding to the second distance and having a third strength different from the first strength in a second direction toward the first object based on determined second distance being equal to or greater than the first distance.

17. The electronic device of claim 16 , wherein the at least one processor is further configured to:

control the first sensor to transmit the first signal in a third direction different from the second direction.

18. The electronic device of claim 16 , wherein the at least one processor is further configured to:

control the first sensor to transmit the first signal in the second direction based on the determined second distance being less than the first distance.

19. The electronic device of claim 16 , wherein, when the movement of the electronic device is a direction change of the electronic device, the third strength is the same as the second strength.

20. The electronic device of claim 16 , wherein the first sensor comprises a plurality of light emitting units, and

wherein the at least one processor is further configured to:

control the first sensor to:

transmit the third signal in the second direction by at least one first light emitting unit among the plurality of light emitting units, and

transmit the first signal in a third direction different from the second direction by at least one second light emitting unit different from the at least one first light emitting unit among the plurality of light emitting units based on the second direction being different from the first direction.

Assignments (1)

Priority Claims (2)

Continuity (2)

References Cited (42)