METHOD AND APPARATUS TO CONTROL OPERATION OF MULTIMEDIA DEVICE

• US 20070079206A1
• Filed: 08/24/2006
• Published: 04/05/2007
• Est. Priority Date: 09/09/2005
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Koh, You-kyung, Arora, Manish
• Application Number:
  US11/466,808
• Publication Number:
  US 20070079206A1
• Time in Patent Office: Days
• US Class Current: 714/745
• CPC Class Codes: G06F 2200/1636 Sensing arrangement for detection of a tap gesture on the housing
• CPC Class Codes: G06F 3/038 Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
• CPC Class Codes: G06F 3/043 using propagating acoustic waves

Abstract

A method and apparatus to control an operation of a multimedia device includes detecting an input tapping, detecting a pattern of the detected tapping, and controlling an operation of the multimedia device according to the detected pattern.

Claims

1. A method of controlling operations of a multimedia device, the method comprising:

detecting an input tapping;

detecting a pattern of the detected tapping; and

controlling an operation of the multimedia device according to the detected pattern.

2. The method of claim 1, wherein the detection of the input tapping comprises:

sensing a sound signal of the input tapping;

detecting energy of the sensed sound signal; and

if the detected energy satisfies predetermined conditions, detecting the detected energy as an event.

3. The method of claim 2, wherein the predetermined conditions is a magnitude of the detected energy being greater than a predetermined level and the detected energy has a predetermined duration.

4. The method of claim 1, wherein the detection of the input tapping comprises:

sensing a pressure of the input tapping; and

if a magnitude of the sensed pressure satisfies a predetermined condition, detecting the tapping as an event.

5. The method of claim 1, wherein:

the detection of the pattern of the detected tapping comprises searching a pattern storage unit for an operation of the multimedia device corresponding to the detected pattern of the tapping; and

the controlling of an operation of the multimedia device comprises controlling an operation of the multimedia device so as to perform the found operation of the multimedia device.

6. The method of claim 5, further comprising:

receiving the pattern of the tapping and the operation of the multimedia device corresponding to the pattern from a user interface and storing them in a pattern storage unit.

7. A method of controlling operations of a multimedia device, the method comprising:

detecting a pattern of an input tapping; and

controlling an operation of the multimedia device based on the detected tapping.

8. An apparatus to control an operation of a multimedia device, the apparatus comprising:

a tapping detector to detect an input tapping;

a pattern detector to detect a pattern of the detected tapping; and

a controller to control an operation of the multimedia device according to the detected pattern.

9. The apparatus of claim 8, wherein the tapping detector comprises:

a sound signal receiver to receive a sound signal of the input tapping;

an energy detector to detect an energy of the sensed sound signal; and

an event detector to detect the detected energy as an event when the detected energy satisfies predetermined conditions.

10. The apparatus of claim 9, wherein the predetermined conditions comprise a magnitude of the detected energy is greater than a predetermined level and the detected energy has a predetermined duration.

11. The apparatus of claim 8, wherein the tapping detector comprises:

a sensor to sense a pressure of the input tapping; and

an event detector to detect the tapping as an event when the magnitude of the sensed pressure satisfies a predetermined condition.

12. The apparatus of claim 8, wherein:

the pattern detector searches a pattern storage unit for operations of the multimedia device corresponding to the detected pattern of the tapping; and

the controller controls an operation of the multimedia device so as to perform the found operation of the multimedia device.

13. The apparatus of claim 12, wherein the pattern of the tapping and the operation of the multimedia device corresponding to the pattern are received from a user interface and stored in the pattern storage unit.

14. The apparatus of claim 8, wherein the multimedia device is a portable multimedia device.

15. An apparatus to control operations of a multimedia device, the apparatus comprising:

a microphone to sense a sound signal of an input tapping;

a low pass filter (LPF) low pass to filter the sound signal sensed by the microphone;

an energy detector to detect an energy of the low pass filtered signal;

an event detector to detect the detected energy as an event when the detected energy satisfies predetermined conditions;

a pattern detector to detect a pattern of the tapping detected as the event; and

a controller to control an operation of the multimedia device according to the detected pattern.

16. An apparatus to control an operation of a multimedia device, the apparatus comprising:

a pressure sensor to sense a pressure of input tapping;

an event detector to detect a signal sensed by the pressure sensor as an event when the sensed signal satisfies predetermined conditions;

a pattern detector to detect a pattern of the tapping detected as the event; and

a controller to control an operation of the multimedia device according to the detected pattern.

17. An apparatus to control operations of a multimedia device, comprising:

a detecting unit to detect a pattern of tappings; and

a control unit to control the multimedia device based on the detected pattern.

18. The apparatus of claim 17, further comprising:

a pattern storage unit to store a plurality of patterns and a plurality of commands corresponding to respective ones of the plurality of patterns.

19. The multimedia device of claim 18, further comprising:

a pattern detector to compare the detected pattern to the plurality of stored patterns,

wherein the control unit controls the multimedia device according to a command of the plurality of commands corresponding to the detected pattern.

20. The multimedia device of claim 17, wherein the detecting unit comprises:

an input device to receive the detected patterns, the detected patterns having a frequency; and

a low pass filter to remove a portion of the detected patterns having a frequency outside a predetermined frequency range.

21. The multimedia device of claim 20, wherein the predetermined frequency range is 50 Hz to 100 Hz.

22. The multimedia device of claim 20, wherein the input device comprises a microphone.

23. The multimedia device of claim 20, further comprising:

an event detector to determine if the filtered detected patterns satisfies a predetermined condition.

24. The multimedia device of claim 23, wherein the predetermined condition of the event detector includes at least one of a magnitude of energy of the input and a duration of the input.