TW201324075A - Method of utilizing magnetic field intensity change as control command - Google Patents

Abstract

The present invention relates to a method of utilizing a magnetic field intensity change as a control command, comprising the following steps: (A) installing a first device, which is arranged with a magnetic sensing unit and a first calculation unit; (B) providing a magnetic element, which is equipped with a magnetic field action range; (C) making the first device enter any position within the magnetic field action range, and making the magnetic sensing unit sense at least one axial magnetic field intensity at the position; (D) within the magnetic field action range, obtaining at least one axial magnetic field intensity at any position for being converted into a symbol after the calculation of the first calculation unit; and (E) converting the symbol or a symbol sequence composed of multiple symbols into a control command, so as to control the first device or a second device to generate a corresponding control action.

Description

Method of using magnetic field strength change as a control command

The present invention relates to a method for utilizing a change in magnetic field strength as a control command, in particular, by using a change in at least one dimensional magnetic field strength to form a different symbol, and converting it into a control command using a combination of symbols or majority symbols as The purpose of communication and control.

The current mobile phone, personal digital assistant (PDA), iPad or iPhone handheld electronic device, its use has become quite popular, almost has a hand, so the mobile phone has basic functions such as call, photo, photography and recording. In addition, mobile phones can be used to control games, home appliances or electronic devices. For example, the new M328153 "Handheld Smart Mobile and Fixed Wireless Devices" patent case announced by the Republic of China on March 1, 1997 The system includes: a central processing unit, an image module, a wireless transceiver module, a vector signal sensing module, a global satellite positioning system module, and a short-range wireless communication module respectively coupled to the central processing unit. The central processing unit is used to integrate and control the information and signals provided by each module and mobile phone, so that the handheld smart mobile and fixed wireless device can provide instant image and message transmission; precise satellite navigation, positioning and tracking; Basic mobile phone functions; tracking, positioning and anti-theft of people and things; one-to-many management and control; instant monitoring of accidents and emergency calls; identification of people, objects and equipment, automatic name registration and automatic reporting; instruments Remote monitoring and monitoring of sensors, equipment and equipment; capable of generating interactive games and remote controls for home appliances and games. When the game is controlled, the two users respectively activate the handheld wireless mobile device and enter the same game with an appropriate network connection, and the parameters generated by the user shaking the handheld wireless mobile device respectively form an in-game operation. And the result of the operation is displayed on the display unit. When the two play a tennis game, the hand-held wireless mobile device is swung.

In addition, the patent No. I333738 "Magnetic Induction Switching Circuit and Control Method" patented by the Republic of China on November 21, 1999, mainly includes: a magnetic south pole detecting unit, a magnetic north pole detecting unit and a detecting And the control unit, the magnetic south pole detecting unit is configured to detect and determine the magnetic field strength of the magnetic south pole, the magnetic north pole detecting unit is configured to detect and determine the magnetic field strength of the magnetic north pole, and the detecting and controlling unit is configured according to the magnetic south pole The triggering signal of the detecting unit and the magnetic north pole detecting unit determines the polarity of the magnetic field and selects a trigger signal of the detecting unit corresponding to the polarity of the magnetic field as a switching signal of the magnetic induction switching circuit. The patent application also provides a control method of the magnetic induction switching circuit. However, they do not understand the items and types of exposures, so it is difficult to widely use them in various devices in daily life.

Therefore, in view of the above-mentioned various control methods for controlling various devices, the present invention provides a method for utilizing the change of the magnetic field strength as a control command, including: A. setting a first device, configuring one a magnetic sensing unit and a first computing unit; B. a magnetic element having a magnetic field acting range; C. causing the first device to enter any one of the magnetic field acting ranges, and causing the magnetic sensing unit at the position Sensing at least one axial magnetic field strength; D. and obtaining at least one axial magnetic field strength at least at any position within the magnetic field acting range, converted into a symbol by the operation of the first operational unit; E. the symbol Or a sequence of symbols consisting of multiple symbols is converted into a control instruction.

The magnetic sensing unit senses the magnetic field strengths in three axial directions, including the magnetic field strength X _h of the X axis, the magnetic field strength Y _{h of the} Y axis, and the magnetic field strength Z _{h of the} Z axis.
. The first device of the above step D is changed in the range of the magnetic field, and at least one of the magnetic field strength X _h , the magnetic field strength Y _h and the magnetic field strength Z _h is changed to obtain different symbols, thereby making step E The control instructions are changed.

The position of the first device in the above step D is constant in the range of the magnetic field, so that the magnetic field strength is constant, and different sampling times are maintained, so as to obtain different symbols, so that the control command of the step E is changed.

The first device changes position in the magnetic field action range and moves along at least one axial direction along a continuous path to obtain a change in the axial magnetic field strength and converts into the symbol.

A second device is further disposed to configure the magnetic component, and the second device is further configured with a second computing unit.

The above control commands are for use by the first device or/and the second device.

The invention has the following advantages:

1. The present invention induces a change in the three-dimensional direction of the magnetic field strength by the first device. When the first device is in a magnetic field, when the magnetic field is at different positions, the induced magnetic field strength is different in the three-dimensional direction. Using the 値 or / and the change of the magnetic field strength in the three-dimensional direction to form a symbol, different "three-dimensional magnetic field strength values" become different symbols, and further convert the different symbols into different control commands, It is extremely versatile in communication and can be used for applications such as safe transmission, access control, signal transmission and security control of locks or other communication equipment.

2. The operation of the present invention is extremely convenient. When the position of the first device changes within the range of the magnetic field, one or more symbols can be formed for control purposes, and the operation is extremely simple.

3. The symbol of the present invention is synchronously changed according to the position of the first device within the range of the magnetic field, or it can be combined with a plurality of different symbols to form a control command, which has extremely high security and is not easily cracked. .

4. The operation is performed in a three-dimensional space, and it is not easy for a third party to find the correct position or path of the first device in the three-dimensional space.

5. When the first device can move along a continuous path in the range of the magnetic field to form a complex symbol, the control command converted by the combination of the plurality of symbols will have a higher cracking difficulty.

First, referring to the first and second figures, the present invention includes the following steps:

A. Configuring a first device, configuring a magnetic sensing unit and a first computing unit: the first device (1) can be a handheld electronic device such as a mobile phone, a personal digital assistant (PDA), an iPad or an iPhone. The first device (1) is provided with a three-axis sensing magnetic sensing unit (11), a first computing unit (12) and a screen (13).

B. A magnetic component having a magnetic field: a second device (2), which can be used for transmission of a safe, access control, car lock or other communication device. In this embodiment, a safe is used as an illustration. The second device (2) is provided with a magnetically-emitting magnetic component (21). The magnetic component (21) can be a permanent magnet, thereby generating a magnetic field. (22) The second device (2) is further provided with a second arithmetic unit (23).

C. causing the first device to enter any one of the magnetic field acting ranges, and at the position causing the magnetic sensing unit to induce at least one axial magnetic field strength: when the first device (1) enters the second device (2) After the magnetic field is applied (22), the magnetic sensing unit (11) can respectively sense the magnetic field strengths of the X-axis, the Y-axis, and the Z-axis in the magnetic field range (22) at any one position. The variation, wherein the magnetic field strength in the X-axis direction is X _h , the magnetic field strength in the Y-axis direction is Y _h , and the magnetic field strength in the Z-axis direction is Z _h , and the magnetic field strength X _h , Y _h and the value of Z _h are displayed on the screen (13) of the first means (1).

D. and obtaining at least one axial magnetic field strength at least at any position within the range of the magnetic field, converted into a symbol by the operation of the first operational unit: using the first operational unit in the first device (1) (12), respectively converting the magnetic field strengths X _h , Y _h and Z _h into a symbol [SYMBOL], and the numerical combination of each group of X _h , Y _h and Z _h will be formed into a symbol, the first device (1) The position is changed in the magnetic field action range (22), and different values of X _h , Y _h and Z _h can be obtained to form different symbols, so that the first device (1) is in the magnetic field range ( 22) The middle shift position, or along a continuous path, can obtain different symbols individually or continuously.

E. converting the symbol sequence consisting of the symbol or the plurality of symbols into a control instruction: converting the symbol sequence into a control sequence according to at least one symbol or a combination of more than one different symbol, and outputting the control instruction, The first device (1) or/and the second device (2) are controlled to generate corresponding control actions.

A first embodiment of the present invention, as shown in the third figure, moves the first device (1) into the magnetic field action range (22) of the second device (2), using the magnetic sensing unit (11) ) may respectively sense to the magnetic field range (22) the magnetic field on the X-axis direction intensity X _h, the magnetic field intensity on the Y-axis direction Y _H and the magnetic field strength on the Z-axis direction Z _h, a magnetic field strength of the three-dimensional directions The change of the value is displayed on the screen (13) of the first device (1) (as shown in the fourth figure). When the first device (1) moves to a preset position, the preset position is sensed. The values of the magnetic field strengths X _h , Y _h and Z _h become a first symbol, and the first symbol is converted into a control command to control the second device (2) to generate an open signal, and the second device (2) [Safety] can be opened. If the first device (1) is located at another position in the magnetic field range (22), a second symbol is generated because the three-dimensional magnetic field strengths X _h , Y _h and Z _h induced by the position are different. The second symbol is different from the first symbol described above and therefore cannot be converted into a control command that can open the second device (2) [safety box]. By the way, only the first device (1) is located in the magnetic field (22), and the first device (1) is located at a specific position to form the first symbol and converted into a control command for Turn on the second device (2) [safety box]. In the embodiment shown in the third figure, the second device (2) is located at the single specific position to generate the first symbol, and the operation is relatively easy, but the security is low, and the security requirement is not suitable. High communication or control purposes, such as turning the appliance on or off.

According to a second embodiment of the present invention, as shown in the fifth figure, after the first device (1) enters the magnetic field action range (22), the first device (1) is placed in the magnetic field action range (22). In the fifth figure, the first device (1) senses different magnetic field strengths X _h , Y _h and Z _h at the right, middle and left positions respectively to form a third symbol, a first a fourth symbol and a fifth symbol, the combination of the third symbol, the fourth symbol and the fifth symbol form a specific symbol sequence, and the symbol sequence is converted into a control command for controlling the opening of the second device (2) . In the embodiment of the fifth figure, the symbol sequence formed by using a combination of a plurality of symbols is converted into a control instruction, and the three symbols are indispensable, and the three symbols must be composed of the three symbols to form the specific symbol sequence. Although it is more, it has higher security and is suitable for communication or control purposes such as access control and lock control for medium or high security requirements.

According to a third embodiment of the present invention, as shown in the sixth figure, after the first device (1) enters the magnetic field action range (22), the first device (1) is caused by the magnetic field (22). In a fan-shaped swing, when the first device (1) swings, the three-dimensional magnetic field strengths X _h , Y _h and Z _h are continuously induced to form a plurality of symbols, for example, a sixth symbol, a seventh symbol, and an eighth symbol. And the symbol sequence formed by the combination of the sixth symbol, the seventh symbol and the eighth symbol is converted into a control command for controlling the opening of the second device (2). In the embodiment of the sixth figure, the symbol sequence formed by the combination of the plurality of symbols is also converted into a control command, and the plurality of symbols are indispensable to form the foregoing symbol sequence, and the operation steps are more, but the security is Higher, suitable for communication or control purposes with moderate or high security requirements, such as access control, lock control, etc.

According to a fourth embodiment of the present invention, as shown in the seventh figure, after the first device (1) enters the magnetic field action range (22), the first device (1) is placed in the magnetic field action range (22). , the system can move along a continuous path (for example, a U-shaped shape), and when the first device (1) moves, the three-dimensional magnetic field strengths X _h , Y _h and Z _h are continuously induced to form a plurality of symbols continuously, and combined into a symbol sequence. For example, the ninth symbol, the tenth symbol, the eleventh symbol, the Nth symbol, the ninth symbol, the tenth symbol, the eleventh symbol, the symbol sequence of the Nth symbol will be converted into a control command for controlling the The second device (2) is turned on. In this embodiment, the operation steps are more precise, but the safety is extremely high, and it is suitable for communication or control purposes requiring high security requirements, such as opening and closing of a safe. In this embodiment, the preset continuous path may be set to allow an error value to improve the feasibility of the implementation.

In the above embodiment of the present invention, the definition of the symbol may be an instantaneous magnetic field strength (X _h , Y _h , Z _h ) value when the relative position of the first device (1) and the second device (2) is changed; Or the same magnetic field strength (X _h , Y _h , Z _h ) obtained at different sampling times without changing the magnetic field strength, but maintaining different sampling times. This method can be applied to the fifth. In the method shown in the figure, since the first device (1) is continuously induced in the magnetic field action range (22), in the fifth figure, the first device (1) is respectively in the right, middle and left directions. The position stays for a certain time, for example, each stays for 3 seconds, to determine the formation of the third symbol, the fourth symbol, and the fifth symbol, as the interval for identifying the symbol during the transformation of the symbol; in addition, the definition of the symbol may also be the eighth The figure and the ninth figure show that the relative position change of the first device (1) and the second device (1) [must pass the position A, the position B, the position C and the position D in sequence) to cause continuous magnetic field strength (X _h , Y _h , Z _h ), the first sign, the second sign formed by continuous The number, the third symbol and the fourth symbol are used as representations, and by adding the time axis change as shown in the eighth figure, the three-dimensional vector control mode of the originally induced three-dimensional magnetic field strength is changed into a four-dimensional vector control mode with time variation, for example, Under the same magnetic field intensity change, the speed of the first device (2) is moved at different sampling times to form different symbols, and then combined to form a symbol sequence, thereby generating different control commands.

However, the above description is only a few preferred embodiments of the present invention, and the scope of the patent application and the content of the description of the present invention are not limited thereto, All should still fall within the scope of protection covered by the scope of the invention.

(1). . . First device

(11). . . Magnetic induction unit

(12). . . First arithmetic unit

(13). . . Screen

(2). . . Second device

(twenty one). . . Magnetic component

(twenty two). . . Magnetic field

(twenty three). . . Second arithmetic unit

The first figure is a schematic diagram of the steps of the present invention.

The second figure is a schematic view of the first device and the second device of the present invention.

The third figure is the first embodiment of the present invention, the first device enters the magnetic field of the second device, and the first device induces the three-dimensional magnetic field strength.

The fourth figure is the first embodiment of the present invention, and the first device senses the three-dimensional magnetic field strength and displays it on the screen.

The fifth figure is a schematic view of the second embodiment of the present invention, in which the first device enters the range of the magnetic field and changes the position.

The sixth figure is a schematic diagram of the third embodiment of the present invention, in which the first device enters the range of the magnetic field and performs fan-shaped oscillation.

The seventh figure is a schematic view of the fourth embodiment of the present invention, in which the first device enters the range of the magnetic field and moves along a continuous path.

The eighth figure is a schematic diagram showing the definition of continuous (magnetic field strength X _h , Y _h , Z _h ) as a symbol for the present invention.

The ninth figure is a schematic diagram of the first device and the second device being changed in relative positions according to the present invention, and sequentially passing through position A, position B, position C and position D.

Claims (7)

A method of utilizing changes in magnetic field strength as a control command, including:
A. setting a first device, configuring a magnetic sensing unit and a first computing unit;
B. A magnetic element having a magnetic field of action;
C. causing the first device to enter any one of the magnetic field acting ranges, and at the position, causing the magnetic sensing unit to induce at least one axial magnetic field strength;
D. and in the range of the magnetic field, at least at any position to obtain at least one axial magnetic field strength, converted into a symbol by the operation of the first arithmetic unit;
E. Converting the symbol sequence consisting of the symbol or symbols into a control instruction. The magnetic induction unit senses the magnetic field strengths in three axial directions, including the magnetic field strength X _h of the X-axis and the magnetic field strength Y _{h of the} Y-axis, as described in the first application of the patent scope. The magnetic field strength Z _{h of the} Z axis. The patentable scope of application of the second term as a method of using a magnetic field intensity change of the control command, wherein the first means based on change in the position D of the step of the magnetic field range, so that the magnetic field strength of at least X _h, Y _h and the magnetic field strength Any change in the magnetic field strength Z _h is obtained by obtaining different symbols, thereby causing the control command of step E to be changed. A method for utilizing a change in magnetic field strength as a control command as described in claim 2, wherein the first device of step D is in a position in the range of the magnetic field, so that the magnetic field strength is constant, and different sampling is maintained. Time, by borrowing different symbols, so that the control instructions of step E are changed. A method for utilizing a change in magnetic field strength as a control command as recited in claim 1, wherein the first device changes position in the magnetic field action range and moves along at least one axial direction along a continuous path to obtain the A change in the strength of the magnetic field in the axial direction is converted into the symbol. A method of using a change in magnetic field strength as a control command according to any one of claims 1 to 5, further comprising a second device for arranging the magnetic element, the second device being further configured with a second arithmetic unit. A method for utilizing a change in magnetic field strength as a control command as described in claim 6 of the patent application, wherein the control command is for use by the first device or/and the second device.