Intelligent sound field control system

• US 9,390,705 B2
• Filed: 10/15/2014
• Issued: 07/12/2016
• Est. Priority Date: 01/23/2014
• Status: Active Grant

• Current Assignee: Kingtronics Institute of Science and TechnologyCompany Limited
• Original Assignee: Chee Henry Tseng
• Inventors: Tseng, Chee Henry
• Primary Examiner(s): Nguyen, Duc
• Assistant Examiner(s): Le, Phan
• Application Number:
  US14/515,305
• Publication Number:
  US 20150208186A1
• Time in Patent Office: 636 Days
• Field of Search: 381/160, 381/18
• US Class Current: 1/1
• CPC Class Codes: E04B 1/994 Acoustical surfaces with adjustment mechanisms
• CPC Class Codes: G10K 11/357 by moving a reflector
• CPC Class Codes: H04R 29/002 Loudspeaker arrays

Abstract

An intelligent sound field control system, which relates to a sound field modulation device and is provided with a WiFi/wireless/wire network main control device, a notebook computer, a wireless universal serial bus dongle, a tablet computer, a motion control electronic device and a reflecting medium, is capable of integrally controlling states of different sound reflecting mediums. Accordingly, an indoor acoustic parameter can be varied and electromechanical integration can be achieved, thereby promoting usage convenience, accuracy and usability.

Claims

1. An intelligent sound field control system characterized in that a WiFi/wireless/wire network main control device, a notebook computer, a wireless universal serial bus dongle, a tablet computer, a motion control electronic device and a reflecting medium are provided, the WiFi/wireless/wire network main control device is respectively connected to an optional man-machine operation device notebook computer, the tablet computer and multiple sets of motion control electronic devices through an optional WiFi, or wireless or wire network, the wireless universal serial bus dongle is an optional wireless communication device that is utilized for connection of the man-machine operation device notebook computer, the tablet computer and the WiFi/wireless/wire network main control device, the WiFi/wireless/wire network main control device is utilized for response to a reflecting medium state control instruction transmitted from the notebook computer or the tablet computer, the reflecting medium state control instruction is accordingly utilized to control the corresponding motion control electronic device so that a purpose of collectively controlling each reflecting medium state can be attained and state information of each reflecting medium state can be fed back, and the WiFi, or wireless or wire network is an optional system communication, characterized in that at least one of

a flat-plate type reflecting plate array,

a reflecting triangle conformation array, and

a suspension type spherical reflecting plate array is adopted by the reflecting medium,

wherein

i) the flat-plate type reflecting plate array includes

a servo electrical machine or step electrical machine,

a rotary machinery structure, a rotary arm,

a flat-plate type reflecting plate,

a position-limiting switch and a starting point sensor:

the motion control electronic device, which is coupled to the servo electrical machine or step electrical machine, the position-limiting switch and the starting point sensor controls, or stops, rotation of the servo electrical machine or step electrical machine, the servo electrical machine or step electrical machine is coupled to the rotary arm through the rotary machinery structure,

the rotary machinery structure is coupled to the servo electrical machine or step electrical machine and the flat-plate type reflecting plate by using the direct drive of the electrical machine and transmission box or the chain drive or gear drive; and

the servo electrical machine or step electrical machine is fixed on the rotary arm, and the position-limiting switch and the starting point sensor are configured on one side of the flat-plate type reflecting plate;

ii) the reflecting triangle conformation array includes

a servo electrical machine or step electrical machine,

a rotary machinery structure,

a reflecting triangle conformation and

a datum point sensor;

the motion control electronic device, which is coupled to the servo electrical machine or step electrical machine and the datum point sensor controls, or stops, rotation of the servo electrical machine or step electrical machine,

the rotary machinery structure is coupled to the servo electrical machine or step electrical machine and the reflecting triangle conformation, capable of using the direct drive of the electrical machine and transmission box or the chain drive or gear drive;

the datum point sensor is configured on one side of the reflecting triangle conformation,

Initial original point information of the reflecting triangle conformation is fed back to the motion control electronic device through the datum point sensor; and

iii) the suspension type spherical reflecting plate array, includes

a servo electrical machine or step electrical machine,

a counting encoder, an original point sensor,

a position-limiting switch,

a protection switch,

a steel wire rope/chain,

a floating ball,

a suspension type spherical reflecting plate and

a rotary machinery structure;

the motion control electronic device, which is coupled to the servo electrical machine or step electrical machine, the counting encoder, the original point sensor , the position-limiting switch and the protection switch controls, or stops, rotation of the servo electrical machine or step electrical machine,

the servo electrical machine or step electrical machine is configured on an upper end of the steel wire rope/chain through the rotary machinery structure,

the upper end of the steel wire rope/chain is coupled to an upper surface of the suspension type spherical reflecting plate, and

the floating ball is configured above the suspension type spherical reflecting plate.

2. The intelligent sound field control system as claimed in claim 1 characterized in that the flat-plate type reflecting plate comprises a first surface formed as a reflective material layer and a second surface formed as an acoustic absorptive material layer.

3. The intelligent sound field control system as claimed in claim 1 characterized in that three surfaces of the reflecting triangle conformation are formed as material layers provided with different acoustic absorptive coefficients.

4. The intelligent sound field control system as claimed in claim 1 characterized in that the suspension type spherical reflecting plate comprises a lower part formed as a reflective material layer and an upper part formed as an acoustic absorptive material layer.