CN104506733A - External connected equipment and braille displaying method using external connected equipment - Google Patents
External connected equipment and braille displaying method using external connected equipment Download PDFInfo
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- CN104506733A CN104506733A CN201410854485.0A CN201410854485A CN104506733A CN 104506733 A CN104506733 A CN 104506733A CN 201410854485 A CN201410854485 A CN 201410854485A CN 104506733 A CN104506733 A CN 104506733A
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Abstract
The invention provides external connected equipment and a braille displaying method using the external connected equipment. The external connected equipment comprises a main board, a shell which is arranged around the main board and used for enclosing the main board, a physical keypad arranged on the main board, a touch spot keyboard, a processor and a data interface arranged on the shell, wherein the data interface is electrically connected with user equipment; and the processor is respectively electrically connected with the physical keypad, the data interface and the touch spot keyboard. According to the external connected equipment, an information reading request is received by the physical keypad and is sent to the user equipment, and the user equipment converts literal information in the information reading request into a first signal according to the request; and the processor generates a corresponding first current according to the first signal, and touch spots on the touch spot keyboard are triggered to move up and down by using an electromagnetic induction technology to form braille touch spot information, so that a blind person can read the literal information by touching with hands, and the privacy disclosure is avoided.
Description
Technical Field
The invention relates to communication auxiliary equipment, in particular to external equipment and a Braille display method applying the external equipment.
Background
With the popularization and the updating of the mobile phones, the mobile phones are more and more important in the life of people, so that the mobile phones become indispensable necessities in the life of people. However, most mobile phones are designed for normal people, and the requirements of disabled people, especially blind people, are not considered.
In order to meet the requirements of the blind people on the mobile phones, most of the mobile phones for the blind people used in China currently output all functions of the mobile phones in a mode of voice outgoing, and then the blind people make corresponding operations through information or prompts given by a voice system. However, the mode of voice playing is adopted, so that great trouble is brought to the blind from the perspective of protecting personal privacy, and if the blind is selected to carry an earphone to listen when privacy contents are involved, the blind occupies the hearing of the blind, so that the blind cannot judge an emergency by the hearing, and the problem of potential safety hazard exists for the blind.
Disclosure of Invention
The invention provides an external device and a Braille display method using the same, and aims to solve the problem that the privacy of blind people is revealed because the existing blind mobile phones are mostly output in a mode of voice playing.
The invention provides an external device, which is applied to user equipment and comprises: the device comprises a mainboard, a shell arranged around the mainboard and used for surrounding the periphery of the mainboard, physical keys, a contact keyboard and a processor arranged on the mainboard, and a data interface arranged on the shell; wherein,
the data interface is electrically connected with the user equipment;
the processor is respectively electrically connected with the physical keys, the data interface and the contact keyboard, and is used for receiving an information reading request through the physical keys and sending the information reading request to the user equipment through the data interface, so that the user equipment can convert text information on the user equipment according to the information reading request and send a converted first signal to the processor through the data interface;
the processor is further configured to generate a corresponding first current according to the first signal; and triggering the Braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology according to the first current so as to enable the contact keyboard to display Braille contact information corresponding to the character information.
Further, the contact keyboard of the external equipment provided by the invention comprises a Braille contact group;
for each Braille contact group, the Braille contact group comprises a plurality of Braille contacts and a plurality of electromagnets, wherein the electromagnets correspond to the Braille contacts one by one;
and each electromagnet is arranged below the Braille contact, is electrically connected with the processor and is used for changing the magnetic poles of the electromagnets under the action of first current generated by the processor so as to realize the up-and-down floating of the corresponding Braille contact.
Further, the external device provided by the present invention further includes:
the infrared sensor is arranged on the mainboard, is electrically connected with the processor and is used for collecting information of an object in front of the external equipment;
the processor is further configured to acquire the information of the object acquired by the infrared sensor and analyze the information of the object to determine whether the object is a road barrier;
the processor is further configured to generate roadblock information when the object is determined to be a roadblock, generate corresponding current for the roadblock information, generate corresponding current according to the roadblock information, and trigger the braille contact on the contact keyboard to float up and down by using an electromagnetic induction technology, so that the contact keyboard displays the braille contact information corresponding to the roadblock information.
Further, the external device provided by the present invention further includes:
the processor is further configured to receive an object identification request through the physical key, trigger a camera on the user equipment through the data interface to take a picture of an object entering the camera area, convert the taken picture, and send the converted second signal to the processor;
the processor is further used for identifying information of the object entering the camera area according to the second signal to generate an identification result, generating a corresponding current according to the identification result, and triggering the braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology so that the contact keyboard displays the braille contact information corresponding to the identification result.
Further, the external device provided by the present invention includes four side wings to detachably connect with the user device through the four side wings, wherein each side wing is provided with a T-shaped slot for placing the data interface.
The invention also provides a Braille display method applying the external equipment, which comprises the following steps:
the processor receives an information reading request through the physical key, sends the information reading request to user equipment through the data interface, so that the user equipment can convert text information on the user equipment according to the information reading request and send a converted first signal to the processor through the data interface;
the processor generates a corresponding first current according to the first signal; and triggering the Braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology according to the first current so as to enable the contact keyboard to display Braille contact information corresponding to the character information.
Further, the braille display method provided by the invention further comprises the following steps:
the processor acquires information of an object in front of the external equipment, which is acquired by the infrared sensor;
the processor analyzes the information of the object to determine whether the object is a roadblock;
and the processor generates roadblock information when determining that the object is a roadblock, generates corresponding current according to the roadblock information, and triggers the Braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology so as to enable the contact keyboard to display the Braille contact information corresponding to the roadblock information.
Further, the braille display method provided by the invention further comprises the following steps:
the processor receives an object identification request through the physical keys, triggers a camera on the user equipment through the data interface to shoot an object entering the camera area, converts a shot picture into a second signal and sends the second signal to the processor;
the processor identifies the information of the object entering the camera area according to the second signal to generate an identification result, generates a corresponding current according to the identification result, and triggers the braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology so that the contact keyboard displays the braille contact information corresponding to the identification result.
According to the external equipment and the Braille display method applying the external equipment, the information reading request is received through the physical keys, the processor sends the information reading request to the mobile terminal of the intelligent mobile phone, the mobile terminal of the intelligent mobile phone converts the text information in the mobile terminal of the intelligent mobile phone into a first signal and sends the first signal back to the processor through the data interface, the processor generates corresponding current according to the first signal, the electromagnetic induction technology is adopted, and the Braille contact on the contact keyboard is triggered to float up and down, so that the text information in the mobile terminal of the intelligent mobile phone is converted into corresponding Braille contact information, the blind person can know the text information content through touch of two hands, and the problem that personal privacy is leaked due to the fact that the existing mobile phone of the blind person adopts a voice external release mode is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an external device according to a first embodiment of the present invention;
fig. 1A is a schematic working diagram of an external device according to a second embodiment of the present invention, in a single braille contact floating state;
fig. 1B is a schematic working diagram of the external device according to the second embodiment of the present invention in a single braille contact sinking state;
fig. 2 is a schematic structural diagram of an external device according to a third embodiment of the present invention;
fig. 3 is a schematic structural diagram of an external device according to a fourth embodiment of the present invention;
fig. 4A is a schematic side structure view of a housing of an external device according to a fifth embodiment of the present invention;
fig. 4B is a schematic side view of the external device housing according to the fifth embodiment of the present invention;
fig. 5 is a flowchart of a braille display method according to a sixth embodiment of the present invention;
fig. 6 is a flowchart of a braille display method according to a seventh embodiment of the present invention;
fig. 7 is a flowchart of a braille display method according to an eighth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of an external device according to a first embodiment of the present invention, and as shown in fig. 1, the external device according to the present embodiment is applied to a user equipment, and specifically includes: the device comprises a main board 11, a shell 12 which is arranged around the main board and used for surrounding the periphery of the main board, a physical key 13, a contact keyboard 14 and a processor 15 which are arranged on the main board 11, and a data interface 16 which is arranged on the shell 12; the data interface 16 is electrically connected with the user equipment; the processor 15 is electrically connected with the physical keys 13, the data interface 16 and the contact keyboard 14, and is configured to receive an information reading request through the physical keys, and send the information reading request to the user equipment through the data interface 16, so that the user equipment converts text information on the user equipment according to the information reading request, and sends the converted first signal to the processor 15 through the data interface 16; a processor 15, further configured to generate a corresponding first current according to the first signal; and according to the first current, an electromagnetic induction technology is adopted to trigger the contacts on the contact keyboard 14 to float up and down so that the contact keyboard displays Braille contact information corresponding to the character information.
In this embodiment, the periphery of the main board 11 is respectively connected to the shells 12, and the shells 12 are detachably connected to the user equipment in a semi-enclosed manner, so that the external device is fixed to the user equipment. For example, the user equipment may be a mobile terminal of a smart phone. Further, the connection mode of the housing 12 and the main board 11 may be specifically a snap-fit or a welding, so that the connection stability of the two can be effectively ensured.
In addition, in this embodiment, the main board is provided with physical keys and a contact keyboard on the side facing the user. It should be noted that, the number of the braille contact groups on the electric shock keyboard of the external device provided in this embodiment is limited, when the number of the words in the short message received by the user device is greater than the number of the braille contact groups, the user device may group the words in the short message according to the number of the braille contact groups, where the number of the words in each group is less than or equal to the number of the braille contact groups, and then may perform the above-mentioned processing on each group of the words in sequence every preset time, so as to ensure that the blind user can read all contents of the short message through the limited number of the braille contact groups.
In this embodiment, by providing an external device on the user equipment, the external device includes: the device comprises a mainboard, a shell, physical keys, a contact keyboard, a processor and a data interface, wherein the shell is arranged around the mainboard and used for surrounding the periphery of the mainboard; the processor receives an information reading request through the physical keys, sends the information reading request to the user equipment through the data interface, so that the user equipment can convert text information on the user equipment according to the information reading request and send a converted first signal to the processor through the data interface; then the processor generates corresponding current according to the first signal; according to the current, the electromagnetic induction technology is adopted to trigger the Braille contact on the contact keyboard to float up and down so that the contact keyboard displays the Braille contact information corresponding to the character information, thereby realizing the conversion of the character information in the short message received on the user equipment into the corresponding Braille contact information, and enabling the blind person to know the character information by touching the Braille contact which can float up and down with two hands, thereby solving the problem that in the prior art, the blind person reads the character information of the short message by a way of voice of a mobile phone of the blind person and the personal privacy is revealed.
Further, in the second embodiment of the present invention, on the basis of the first embodiment, the contact keyboard 14 includes a plurality of braille contact groups; for each group of braille contacts it comprises a plurality of braille contacts 141 and a plurality of electromagnets 142. The braille contact 141 can be a metal magnetic contact, the electromagnet 142 is arranged below the braille contact 141 and corresponds to the braille contact 141 one by one, and each braille contact 141 in each group is electrically connected with the processor 15 through a current branch of the integrated circuit in the main board, namely, one end of the current branch is connected with the electromagnet 142, and the other end is connected with the processor 15. When the processor 15 generates the first current, the current is sent to the electromagnet at the other end of the current branch through the corresponding current branch, so that the magnetic pole of the electromagnet 142 is changed to realize the floating up and down of the corresponding braille contact 141.
Specifically, fig. 1A is a schematic working diagram of an external device according to a second embodiment of the present invention, in a single braille contact floating state; fig. 1B is a schematic working diagram of the external device according to the second embodiment of the present invention in a single braille contact sinking state. As shown in fig. 1A and 1B, the electromagnet 142 is disposed below the braille contact 141, and corresponds to the braille contact 141 one by one, and the specific working process thereof is as follows:
when the smart mobile phone mobile terminal receives the short message, the smart mobile phone mobile terminal can send out vibration or ringing to remind the user, for example: the blind person, whether to receive the short message, if the blind person user confirms to receive the short message, the processor 15 can obtain the information reading request input by the user through the physical key 13 outside the main board 11 and send the information reading request to the mobile terminal of the smart phone through the data interface 16 arranged on the shell 12. The mobile terminal of the smart phone converts the text information in the received short message into a first electrical signal according to the information reading request, and transmits the first electrical signal back to the processor 15 on the main board 11 of the external device through the data interface 16. The processor 15 generates a first current corresponding to the first electric signal according to the received first electric signal; and according to the direction conversion of the first current, the magnetic poles of the electromagnets 142 electrically connected with the first current are changed, so that the Braille contacts 141 corresponding to the electromagnets one by one are triggered to generate attraction and repulsion actions, and the Braille contacts on the contact keyboard 14 are triggered to float up and down, so that the Braille contact information corresponding to the character information is displayed on the contact keyboard.
Fig. 2 is a schematic structural diagram of an external device according to a third embodiment of the present invention, and as shown in fig. 2, on the basis of the first embodiment or the second embodiment, the external device further includes: the infrared sensor 17 is arranged on the mainboard 11, is electrically connected with the processor 15 and is used for collecting information of an object in front of the external equipment; correspondingly, the processor 15 is further configured to obtain information of the object acquired by the infrared sensor 17, and analyze the information of the object to determine whether the object is a road barrier; the processor 15 is further configured to generate roadblock information when it is determined that the object is a roadblock, generate corresponding current from the roadblock information, generate corresponding current according to the roadblock information, and trigger the contacts on the contact keyboard 14 to float up and down by using an electromagnetic induction technology, so that the contact keyboard displays braille contact information corresponding to the roadblock information.
Specifically, in this embodiment, the infrared sensor 17 may collect information of an object in front of the external device in real time, where the information of the object may specifically include: the texture, volume, etc. of the object and sends the information of the object to the processor 15 electrically connected to it. The processor 15 can determine whether the object is a roadblock after analyzing and processing the received information of the object, if the processor 15 determines that the object is the roadblock, the processor immediately generates roadblock information and generates corresponding current for the roadblock information, and then according to the current, an electromagnetic induction technology is adopted to trigger the braille contact on the contact keyboard to float up and down so that the contact keyboard 14 displays the braille contact information corresponding to the roadblock information for the blind user to read. If the processor 15 judges that the object is not a roadblock, safety information is immediately generated and is sent to the smart mobile phone mobile terminal through the data interface 16 arranged on the external equipment, and the smart mobile phone mobile terminal sends out a safety prompt ring according to the safety information to inform the blind user that the object in front is not a roadblock.
The external equipment that this embodiment provided through set up an infrared inductor on its mainboard, can gather the information of its the place ahead object, conveniently informs the blind person whether for the roadblock information with the place ahead object, brings very big convenience for the blind person alone trip.
Fig. 3 is a schematic structural diagram of an external device according to a fourth embodiment of the present invention, as shown in fig. 3, on the basis of the third embodiment, a processor 15 of the external device according to the present embodiment is further configured to receive an object identification request through a physical key 13, trigger a camera 18 on user equipment through a data interface 16 to take a picture of an object entering a camera area, and convert the taken picture to send a converted second signal to the processor 15; the processor 15 is further configured to identify information of an object entering the camera area according to the second signal, generate an identification result, generate a corresponding current according to the identification result, and trigger the braille contact on the contact keyboard to float up and down by using an electromagnetic induction technology, so that the contact keyboard displays the braille contact information corresponding to the identification result.
Specifically, when the blind user needs to use the camera 18 of the mobile terminal of the smart phone to identify an object, the processor 15 may receive an object identification request through the physical key 13 on the main board 11 of the external device, and send the object identification request to the mobile terminal of the smart phone through the data interface 16 arranged on the housing 12 of the external device, so as to trigger the camera 18 on the mobile terminal of the smart phone to shoot the object entering the camera area, then the mobile terminal of the smart phone may convert the shot picture according to the related software program, and return the converted second signal to the processor 15 on the main board 11 of the external device through the data interface 16 arranged on the housing 12 of the external device, the processor 15 may identify the information of the object entering the camera area according to the second signal, and further generate an identification result, and generating corresponding current according to the recognition result, and triggering the Braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology so that the contact keyboard displays the Braille contact information corresponding to the recognition result.
The external equipment provided by the embodiment can perform identification function operation by means of the camera on the mobile terminal of the smart phone, so that the blind user can clearly distinguish the state of the object in front, and the front emergency can be better dealt with.
Fig. 4A is a schematic side structure view of an external device housing according to a fifth embodiment of the present invention, and fig. 4B is a schematic side structure view of another external device housing according to the fifth embodiment of the present invention. As shown in fig. 4A and 4B, the casing of the external device provided in this embodiment includes four side wings, and is detachably connected to the user equipment through the four side wings, and data transmission between the external device and the user equipment is realized through the T-shaped card slot 19 disposed on the side wings.
Specifically, the upper side wing, the left side wing and the right side wing on the casing 12 of the external device are made of materials with strong plasticity, and can be bent and adjusted in different degrees according to different model sizes of the mobile terminal of the smart phone, so that the external device is adaptive to the smart phones of different models. The other side wing (i.e. the lower side wing) is made of a solidified material, the bending degree of the other side wing is constant, a T-shaped clamping groove 19 is formed in the other side wing, and a data line is arranged in the T-shaped clamping groove 19 and is electrically connected with a processor 15 on a main board 11 of the external device. Meanwhile, the external device can be connected with the user equipment through the T-shaped clamping groove 19, and specifically, data interfaces of various types can be slidably inserted into the T-shaped clamping groove so as to adapt to mobile terminal user equipment of different interface positions and different types, and thus, data transmission between the external device and the user equipment is completed.
The external device provided by the embodiment can be adapted to user equipment of different machine types through the four side wings of the shell, and the universality of the external device is met. Meanwhile, data transmission between the external equipment and the user equipment is realized through the T-shaped clamping groove arranged on the side wing, so that the functions of reading short messages in the user equipment through the external equipment, identifying the conditions of things in front and the like by means of a camera on the user equipment and the like are realized, and great convenience is brought to the life of blind users.
Fig. 5 is a flowchart of a braille display method according to a sixth embodiment of the present invention, and as shown in fig. 5, the method according to the present embodiment is an external connection method for an external device according to the first to fourth embodiments, and specifically includes:
step 101: the processor receives the information reading request through the physical keys, sends the information reading request to the user equipment through the data interface, so that the user equipment can convert the text information on the user equipment according to the information reading request, and sends the converted first signal to the processor through the data interface.
Step 102: the processor generates a corresponding first current according to the first signal; and according to the first current, an electromagnetic induction technology is adopted to trigger the Braille contact on the contact keyboard to float up and down so that the contact keyboard displays Braille contact information corresponding to the character information.
In the embodiment, an information reading request is received through a physical key, the information reading request is sent to user equipment through a data interface, the user equipment converts text information on the user equipment into a first signal according to the information reading request and sends the first signal to a processor through the data interface, and the processor generates corresponding current according to the first signal; according to the current, the Braille contact on the contact keyboard is triggered to float up and down by adopting an electromagnetic induction technology, so that the contact keyboard displays Braille contact information corresponding to the character information, the blind can know the character information by touching the vertically floating Braille contact with two hands, and the problem that in the prior art, the blind reads the character information of the short message in a mode of externally placing the voice of a mobile phone of the blind, so that the personal privacy is revealed is solved.
Fig. 6 is a flowchart of a braille display method according to a seventh embodiment of the present invention, and as shown in fig. 6, on the basis of the sixth embodiment, the method according to the present embodiment further includes:
step 103: the processor acquires the information of the object in front of the external equipment, which is acquired by the infrared sensor.
Step 104: the processor analyzes the information of the object to determine whether the object is a road block.
Step 105: and when the processor determines that the object is the roadblock, generating roadblock information, generating corresponding current according to the roadblock information, and triggering the braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology so as to enable the contact keyboard to display the braille contact information corresponding to the roadblock information.
In this embodiment, gather the information of the object in front of external device through infrared inductor, gather the information of the object that acquires according to infrared inductor, whether the analysis confirms the object is the roadblock, when confirming the object is the roadblock, generate the roadblock information, and with the corresponding electric current of roadblock information generation, again according to the corresponding electric current of roadblock information generation, adopt the electromagnetic induction technique, the braille contact that triggers on the contact keyboard rises and floats from top to bottom, so that the contact keyboard shows the braille contact information that corresponds with the roadblock information, thereby bring very big facility for the blind person alone trip.
Fig. 7 is a flowchart of a braille display method according to an eighth embodiment of the present invention, and as shown in fig. 7, on the basis of the seventh embodiment, the method according to the present embodiment further includes:
step 106: the processor receives the object identification request through the physical keys, triggers the camera on the user equipment through the data interface to shoot an object entering the camera area, converts a shot picture into a second signal and sends the second signal to the processor.
Step 107: the processor identifies the information of the object entering the camera area according to the second signal to generate an identification result, generates a corresponding current according to the identification result, and triggers the braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology so that the contact keyboard displays the braille contact information corresponding to the identification result.
In the embodiment, the camera on the mobile terminal of the smart phone can be used for performing identification function operation, so that the blind user can clearly distinguish the state of the object in front, and the emergency situation in front can be better dealt with.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An external device is applied to user equipment and is characterized by comprising: the device comprises a mainboard, a shell arranged around the mainboard and used for surrounding the periphery of the mainboard, physical keys, a contact keyboard and a processor arranged on the mainboard, and a data interface arranged on the shell; wherein,
the data interface is electrically connected with the user equipment;
the processor is respectively electrically connected with the physical keys, the data interface and the contact keyboard, and is used for receiving an information reading request through the physical keys and sending the information reading request to the user equipment through the data interface, so that the user equipment can convert text information on the user equipment according to the information reading request and send a converted first signal to the processor through the data interface;
the processor is further configured to generate a corresponding first current according to the first signal; and triggering the Braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology according to the first current so as to enable the contact keyboard to display Braille contact information corresponding to the character information.
2. An external device according to claim 1, wherein said contact keypad comprises a set of braille contacts;
for each Braille contact group, the Braille contact group comprises a plurality of Braille contacts and a plurality of electromagnets, wherein the electromagnets correspond to the Braille contacts one by one;
and each electromagnet is arranged below the Braille contact, is electrically connected with the processor and is used for changing the magnetic poles of the electromagnets under the action of first current generated by the processor so as to realize the up-and-down floating of the corresponding Braille contact.
3. The external device according to claim 1 or 2, further comprising:
the infrared sensor is arranged on the mainboard, is electrically connected with the processor and is used for collecting information of an object in front of the external equipment;
the processor is further configured to acquire the information of the object acquired by the infrared sensor and analyze the information of the object to determine whether the object is a road barrier;
the processor is further configured to generate roadblock information when the object is determined to be a roadblock, generate corresponding current for the roadblock information, generate corresponding current according to the roadblock information, and trigger the braille contact on the contact keyboard to float up and down by using an electromagnetic induction technology, so that the contact keyboard displays the braille contact information corresponding to the roadblock information.
4. The external device according to claim 3, further comprising:
the processor is further configured to receive an object identification request through the physical key, trigger a camera on the user equipment through the data interface to take a picture of an object entering the camera area, convert the taken picture, and send the converted second signal to the processor;
the processor is further used for identifying information of the object entering the camera area according to the second signal to generate an identification result, generating a corresponding current according to the identification result, and triggering the braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology so that the contact keyboard displays the braille contact information corresponding to the identification result.
5. The external device according to claim 1, wherein the casing comprises four side wings for detachably connecting with the user device through the four side wings;
and for each side wing, a T-shaped clamping groove is formed in the side wing and used for placing the data interface.
6. A braille display method using the external device according to any one of claims 1 to 5, comprising:
the processor receives an information reading request through the physical key, sends the information reading request to user equipment through the data interface, so that the user equipment can convert text information on the user equipment according to the information reading request and send a converted first signal to the processor through the data interface;
the processor generates a corresponding first current according to the first signal; and triggering the Braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology according to the first current so as to enable the contact keyboard to display Braille contact information corresponding to the character information.
7. The method of claim 6, further comprising:
the processor acquires information of an object in front of the external equipment, which is acquired by the infrared sensor;
the processor analyzes the information of the object to determine whether the object is a roadblock;
and the processor generates roadblock information when determining that the object is a roadblock, generates corresponding current according to the roadblock information, and triggers the Braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology so as to enable the contact keyboard to display the Braille contact information corresponding to the roadblock information.
8. The method of claim 6 or 7, further comprising:
the processor receives an object identification request through the physical keys, triggers a camera on the user equipment through the data interface to shoot an object entering the camera area, converts a shot picture into a second signal and sends the second signal to the processor;
the processor identifies the information of the object entering the camera area according to the second signal to generate an identification result, generates a corresponding current according to the identification result, and triggers the braille contact on the contact keyboard to float up and down by adopting an electromagnetic induction technology so that the contact keyboard displays the braille contact information corresponding to the identification result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854485.0A CN104506733B (en) | 2014-12-31 | 2014-12-31 | External connected equipment and braille displaying method using external connected equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854485.0A CN104506733B (en) | 2014-12-31 | 2014-12-31 | External connected equipment and braille displaying method using external connected equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN104506733A true CN104506733A (en) | 2015-04-08 |
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| CN106775181A (en) * | 2016-11-30 | 2017-05-31 | 努比亚技术有限公司 | Magnetic suspension dot matrix screen, terminal display control unit and method |
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| CN104506733B (en) | 2017-01-11 |
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