CN107423002B - Printing method and system for mobile terminal to be wirelessly connected with Bluetooth printer - Google Patents
Printing method and system for mobile terminal to be wirelessly connected with Bluetooth printer Download PDFInfo
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- CN107423002B CN107423002B CN201710469632.6A CN201710469632A CN107423002B CN 107423002 B CN107423002 B CN 107423002B CN 201710469632 A CN201710469632 A CN 201710469632A CN 107423002 B CN107423002 B CN 107423002B
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000004891 communication Methods 0.000 claims abstract description 51
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1236—Connection management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
- G06F3/1292—Mobile client, e.g. wireless printing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the technical field of communication, in particular to a printing method and a printing system for a mobile terminal to be wirelessly connected with a Bluetooth printer, wherein the method comprises the following steps: searching whether a Bluetooth printer exists in the effective distance of the first mobile terminal through Bluetooth; if the first mobile terminal searches that the Bluetooth printer does not exist in the effective distance, finding out a second mobile terminal of which the distance to the Bluetooth printer is less than the effective distance; the first mobile terminal sends the printing data to the second mobile terminal; and the second mobile terminal sends the printing data to the Bluetooth printer for printing through Bluetooth communication. The invention has the beneficial effects that: the printing method of the mobile terminal wireless connection Bluetooth printer integrates network and Bluetooth communication, intelligent mobile terminals in the network freely form a network, and equipment in the whole network can use the Bluetooth printer as a springboard as long as one of the intelligent mobile terminals can be connected with the Bluetooth printer within an effective distance.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a printing method and a printing system of a mobile terminal wireless connection Bluetooth printer.
Background
With the development of intelligent handheld devices (mobile terminals), more and more office scenes need to use the intelligent handheld devices, such as pictures of mobile phone devices, documents of word documents and the like, and POS transaction documents and the like. The intelligent device is connected bluetooth printer through the bluetooth and is printed bill application scene extensively, for example beautiful group trade company's edition is installed on the cell-phone, when receiving the order, APP prints out after sending the bluetooth printer to the document through bluetooth equipment.
The above has several problems: 1. the bluetooth communication distance is limited, and the printer cannot be located too far away from the mobile terminal. 2. The position of the Bluetooth printer can be fixed, but the mobile terminal is often in motion, such as a store, a waiter walks around along with a client, immediately places an order, the service desk directly makes an invoice, and if the distance is too far, the Bluetooth printer of the service desk cannot receive data; it is then not practical to have the attendant constantly hold the bluetooth printer.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a printing method and system for a mobile terminal (intelligent handheld device) to remotely use a Bluetooth printer to wirelessly connect the Bluetooth printer with the mobile terminal are provided.
In order to solve the technical problems, the invention adopts the technical scheme that: the printing method of the mobile terminal wirelessly connected with the Bluetooth printer is provided, the mobile terminal can perform Bluetooth communication with the Bluetooth printer within an effective distance, and the mobile terminal comprises a first mobile terminal and a second mobile terminal; characterized in that the method comprises:
searching whether a Bluetooth printer exists in the effective distance of the first mobile terminal through Bluetooth;
if the first mobile terminal searches that the Bluetooth printer does not exist in the effective distance, finding out a second mobile terminal of which the distance to the Bluetooth printer is less than the effective distance;
the first mobile terminal sends the printing data to the second mobile terminal;
and the second mobile terminal sends the printing data to the Bluetooth printer for printing through Bluetooth communication.
The invention provides another technical scheme for providing a printing system with a mobile terminal wirelessly connected with a Bluetooth printer, wherein the mobile terminal can perform Bluetooth communication with the Bluetooth printer within an effective distance and comprises a first mobile terminal and a second mobile terminal; the system comprises:
the searching and judging module is used for searching whether a Bluetooth printer exists in the effective distance of the first mobile terminal through Bluetooth;
the searching module is used for searching a second mobile terminal, the distance between which and the Bluetooth printer is less than the effective distance, if the first mobile terminal searches that the Bluetooth printer does not exist in the effective distance;
the sending module is used for sending the printing data from the first mobile terminal to the second mobile terminal;
and the printing module is used for sending the printing data to the Bluetooth printer for printing through Bluetooth communication by the second mobile terminal.
The invention has the beneficial effects that: the printing method and the printing system of the mobile terminal wireless connection Bluetooth printer integrate the network and the Bluetooth communication, and the intelligent mobile terminals in the network freely form the network, so long as one mobile terminal is within an effective distance of the Bluetooth communication with the Bluetooth printer, other mobile terminals in the whole network can use the Bluetooth printer as a springboard. Need not many bluetooth printer, just can realize many mobile terminal and use the remote demand of printing of a bluetooth printer.
Drawings
FIG. 1 is a schematic flow chart illustrating a printing method of a mobile terminal wirelessly connected to a Bluetooth printer according to an embodiment of the present invention;
FIG. 2 is a block diagram of a printing system with a mobile terminal wirelessly connected to a Bluetooth printer according to an embodiment of the present invention;
description of reference numerals:
1. a search judgment module; 2. a search module; 3. a sending module; 4. and a printing module.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: the network and the Bluetooth communication are integrated, the intelligent mobile terminals in the network freely form a network, and as long as one of the intelligent mobile terminals is connected with the Bluetooth printer, the equipment in the whole network can use the Bluetooth printer as a springboard.
Referring to fig. 1, fig. 1 is a flow chart illustrating a printing method of a mobile terminal wirelessly connected to a bluetooth printer. In the printing method of the mobile terminal in wireless connection with the Bluetooth printer, the mobile terminal can perform Bluetooth communication with the Bluetooth printer within an effective distance, and comprises a first mobile terminal and a second mobile terminal; the method comprises the following steps:
searching whether a Bluetooth printer exists in the effective distance of the first mobile terminal through Bluetooth;
if the first mobile terminal searches that the Bluetooth printer does not exist in the effective distance, finding out a second mobile terminal of which the distance to the Bluetooth printer is less than the effective distance;
the first mobile terminal sends the printing data to the second mobile terminal;
and the second mobile terminal sends the printing data to the Bluetooth printer for printing through Bluetooth communication.
In the printing method of the mobile terminal wireless connection Bluetooth printer, when a plurality of mobile terminals use the Bluetooth printer, if the mobile terminals are in the effective communication range of the Bluetooth printer, the printing list is sent to the Bluetooth printer in a Bluetooth communication mode, and if the mobile terminals are not in the communication range, the connection state with the Bluetooth printer is obtained through the mobile terminals which can be in Bluetooth communication with the Bluetooth printer.
The invention integrates the network and the Bluetooth communication, the intelligent mobile terminal in the network can freely form the network, and as long as one of the intelligent mobile terminal and the Bluetooth printer can be connected within an effective distance, the equipment in the whole network can be used as a springboard to use the Bluetooth printer. Need not many bluetooth printers, just can satisfy the demand. The remote printing requirement that a plurality of mobile terminals use one Bluetooth printer is met.
In an embodiment of the present invention, the "the first mobile terminal sends the print data to the second mobile terminal" in the printing method in which the mobile terminal wirelessly connects to the bluetooth printer specifically includes: the first mobile terminal sends the printing data to the second mobile terminal in a Bluetooth communication or internet communication mode. The preferred bluetooth communication mode wherein, just uses the internet when the bluetooth communication mode, other mobile terminal are not connected to the bluetooth.
In an embodiment of the invention, in the printing method in which the mobile terminal wirelessly connects to the bluetooth printer, if the first mobile terminal searches that the bluetooth printer exists within the effective distance, the first mobile terminal sends the print data to the bluetooth printer through bluetooth communication to perform a printing operation.
In a specific embodiment of the present invention, in the printing method for wirelessly connecting a mobile terminal to a bluetooth printer, the "finding a second mobile terminal whose distance from the bluetooth printer is less than an effective distance" specifically includes: the first mobile terminal sends inquiry information whether the distance between each mobile terminal and the Bluetooth printer in the network is smaller than the effective distance (namely, inquiry information whether each mobile terminal in the network can be connected with the Bluetooth printer in a Bluetooth mode) through network broadcasting, and the mobile terminal with the distance between the first mobile terminal and the Bluetooth printer smaller than the effective distance is randomly selected as the second mobile terminal.
In an embodiment of the present invention, the printing method for wirelessly connecting the mobile terminal to the bluetooth printer further includes: the method comprises the steps of periodically sending inquiry about whether the distance between a mobile terminal and a Bluetooth printer is smaller than or larger than an effective distance through network broadcasting, establishing a corresponding relation table that the distance between the mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance, and sending prompt information to each mobile terminal when the state that the distance between any one mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance is changed or the distance between the mobile terminal and the Bluetooth printer is completely larger than the effective distance. The mobile terminal can be a mobile phone or a tablet computer.
In the printing method for the mobile terminal to be wirelessly connected with the Bluetooth printer, the real-time updating of the connection condition can be realized by actively feeding back each device accessing the functional network to other access devices, or by actively acquiring the connection state by initiating the intelligent device using the Bluetooth printer.
For example: there may be an intelligent device placed in a fixed distance from the bluetooth printer as a relay, and the intelligent device may manage a change in connection status between the mobile terminal and the bluetooth printer. When any mobile terminal is disconnected from the Bluetooth printer (the distance from the Bluetooth printer to the Bluetooth printer is effective), the user of the mobile terminal can be prompted, and when all the mobile terminals are away from the effective communication distance, the user can also be prompted to know the distance.
Referring to fig. 2, fig. 2 is a block diagram illustrating a printing system in which a mobile terminal wirelessly connects to a bluetooth printer, wherein the mobile terminal can perform bluetooth communication with the bluetooth printer within a valid distance, and the mobile terminal includes a first mobile terminal and a second mobile terminal; the system comprises:
the searching and judging module 1 is used for searching whether a Bluetooth printer exists in the effective distance of the first mobile terminal through Bluetooth;
the searching module 2 is used for searching a second mobile terminal, the distance between which and the Bluetooth printer is less than the effective distance, if the first mobile terminal searches that the Bluetooth printer does not exist in the effective distance;
the sending module 3 is used for sending the printing data from the first mobile terminal to the second mobile terminal;
and the printing module 4 is used for sending the printing data to the Bluetooth printer for printing through Bluetooth communication by the second mobile terminal.
In an embodiment of the invention, the sending module of the printing system, in which the mobile terminal is wirelessly connected to the bluetooth printer, is specifically configured to send the print data from the first mobile terminal to the second mobile terminal through bluetooth communication or internet communication.
In an embodiment of the present invention, the printing system with the mobile terminal wirelessly connected to the bluetooth printer further includes: and the inquiry prompting module is used for periodically sending inquiry about whether the distance between the mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance through network broadcasting, establishing a corresponding relation table that the distance between the mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance, and sending prompting information to each mobile terminal when the state sending change that the distance between any mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance.
Example one
A printing method for a mobile terminal to be wirelessly connected with a Bluetooth printer is disclosed, wherein the mobile terminal can perform Bluetooth communication with the Bluetooth printer within an effective distance, and comprises a first mobile terminal and a second mobile terminal; the method comprises the following steps:
searching whether a Bluetooth printer exists in the effective distance of the first mobile terminal through Bluetooth;
if the first mobile terminal searches that the Bluetooth printer exists in the effective distance, the first mobile terminal sends printing data to the Bluetooth printer through Bluetooth communication to perform printing operation.
If the first mobile terminal does not have the Bluetooth printer within the effective distance, the first mobile terminal sends inquiry information whether the distance between each mobile terminal and the Bluetooth printer in the network is smaller than the effective distance (namely, inquiry whether each mobile terminal in the network can be in Bluetooth connection with the Bluetooth printer) through network broadcasting, and the mobile terminal with the distance between the mobile terminal and the Bluetooth printer smaller than the effective distance is randomly selected as a second mobile terminal.
The first mobile terminal sends the printing data to the second mobile terminal in a Bluetooth communication or internet communication mode. The preferred bluetooth communication mode wherein, just uses the internet when the bluetooth communication mode, other mobile terminal are not connected to the bluetooth.
And the second mobile terminal sends the printing data to the Bluetooth printer for printing through Bluetooth communication.
The printing method of the mobile terminal wireless connection Bluetooth printer further comprises the following steps: the method comprises the steps of periodically sending inquiry about whether the distance between a mobile terminal and a Bluetooth printer is smaller than or larger than an effective distance through network broadcasting, establishing a corresponding relation table that the distance between the mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance, and sending prompt information to each mobile terminal when the state that the distance between any one mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance is changed or the distance between the mobile terminal and the Bluetooth printer is completely larger than the effective distance. The mobile terminal can be a mobile phone or a tablet computer.
In the printing method for the mobile terminal to be wirelessly connected with the Bluetooth printer, the real-time updating of the connection condition can be realized by actively feeding back each device accessing the functional network to other access devices, or by actively acquiring the connection state by initiating the intelligent device using the Bluetooth printer.
For example: there may be an intelligent device placed in a fixed distance from the bluetooth printer as a relay, and the intelligent device may manage a change in connection status between the mobile terminal and the bluetooth printer. When any mobile terminal is disconnected from the Bluetooth printer (the distance from the Bluetooth printer to the Bluetooth printer is effective), the user of the mobile terminal can be prompted, and when all the mobile terminals are away from the effective communication distance, the user can also be prompted to know the distance.
The application scenario of the printing method of the mobile terminal wirelessly connected with the Bluetooth printer is as follows: the shopping mall is characterized in that a plurality of mobile phones are directly connected with a Bluetooth printer of the service desk. When a document exists, the document is printed by clicking, and data is directly sent to the Bluetooth printer to be printed within the effective communication range of the Bluetooth. If the mobile phone is out of the communication range, the mobile phone broadcasts, sends and inquires the connection state of each mobile phone and the Bluetooth printer in the network, selects one of the fed back available devices, sends the past data, and forwards the device receiving the data to the Bluetooth printer to realize printing.
In summary, the present invention integrates the network and bluetooth communication, and the intelligent mobile terminals in the network freely form a network, so long as one of the intelligent mobile terminals can be connected with the bluetooth printer within an effective distance, the devices in the whole network can use the bluetooth printer as a springboard. Need not many bluetooth printers, just can satisfy the demand. The remote printing requirement that a plurality of mobile terminals use one Bluetooth printer is met.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. A printing method for a mobile terminal to be wirelessly connected with a Bluetooth printer is disclosed, wherein the mobile terminal can perform Bluetooth communication with the Bluetooth printer within an effective distance, and comprises a first mobile terminal and a second mobile terminal; characterized in that the method comprises:
the method comprises the steps that network and Bluetooth communication are integrated, the network comprises a plurality of mobile terminals and a Bluetooth printer, and intelligent mobile terminals in the network are freely networked;
searching whether a Bluetooth printer exists in the effective distance of the first mobile terminal through Bluetooth;
if the first mobile terminal searches that the Bluetooth printer does not exist in the effective distance, finding out a second mobile terminal of which the distance to the Bluetooth printer is less than the effective distance;
the first mobile terminal sends the printing data to the second mobile terminal;
the second mobile terminal sends printing data to the Bluetooth printer for printing through Bluetooth communication;
the second mobile terminal which is found to be closer than the effective distance from the bluetooth printer specifically comprises: the first mobile terminal sends inquiry information whether the distance between each mobile terminal and the Bluetooth printer in the network is smaller than the effective distance through network broadcasting, and the mobile terminal with the distance between the first mobile terminal and the Bluetooth printer smaller than the effective distance is randomly selected as the second mobile terminal.
2. The printing method of the mobile terminal wirelessly connected to the bluetooth printer according to claim 1, wherein the step of sending the print data to the second mobile terminal by the first mobile terminal specifically comprises: the first mobile terminal sends the printing data to the second mobile terminal in a Bluetooth communication or internet communication mode.
3. The method as claimed in claim 1, wherein if the first mobile terminal searches for the presence of the bluetooth printer within the effective distance, the first mobile terminal transmits print data to the bluetooth printer for printing via bluetooth communication.
4. The printing method of the mobile terminal wirelessly connected with the Bluetooth printer according to claim 1, wherein the mobile terminal is a mobile phone or a tablet computer.
5. The printing method of the mobile terminal wireless connection Bluetooth printer according to claim 1, characterized in that the method further comprises: and periodically sending inquiry about whether the distance between the mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance through network broadcasting, establishing a corresponding relation table that the distance between the mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance, and sending prompt information to each mobile terminal when the state that the distance between any one mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance is changed.
6. The printing method of the mobile terminal wireless connection Bluetooth printer according to claim 1, characterized in that the method further comprises: and periodically sending inquiry about whether the distance between the mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance through network broadcasting, establishing a corresponding relation table that the distance between the mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance, and sending prompt information to each mobile terminal when the distance between each mobile terminal and the Bluetooth printer is completely larger than the effective distance.
7. A printing system with a mobile terminal wirelessly connected with a Bluetooth printer is disclosed, wherein the mobile terminal can perform Bluetooth communication with the Bluetooth printer within an effective distance and comprises a first mobile terminal and a second mobile terminal; characterized in that the system comprises:
the system comprises a preset module, a Bluetooth module and a Bluetooth module, wherein the preset module integrates network and Bluetooth communication and comprises a plurality of mobile terminals and a Bluetooth printer, and intelligent mobile terminals in the network are freely networked;
the searching and judging module is used for searching whether a Bluetooth printer exists in the effective distance of the first mobile terminal through Bluetooth;
the searching module is used for searching a second mobile terminal, the distance between which and the Bluetooth printer is smaller than the effective distance, if the first mobile terminal does not have the Bluetooth printer in the effective distance, and specifically comprises the following steps: the first mobile terminal sends and inquires whether the distance between each mobile terminal and the Bluetooth printer in the network is smaller than the effective distance through network broadcasting, and the mobile terminal with the distance between the first mobile terminal and the Bluetooth printer smaller than the effective distance is randomly selected as a second mobile terminal;
the sending module is used for sending the printing data from the first mobile terminal to the second mobile terminal;
and the printing module is used for sending the printing data to the Bluetooth printer for printing through Bluetooth communication by the second mobile terminal.
8. The printing system of the mobile terminal wirelessly connected to the bluetooth printer as claimed in claim 7, wherein the sending module is specifically configured to send the print data from the first mobile terminal to the second mobile terminal by means of bluetooth communication or internet communication.
9. The printing system of the mobile terminal wireless connection Bluetooth printer according to claim 7, characterized in that the system further comprises:
and the inquiry prompting module is used for periodically sending inquiry about whether the distance between the mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance through network broadcasting, establishing a corresponding relation table that the distance between the mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance, and sending prompting information to each mobile terminal when the state sending change that the distance between any mobile terminal and the Bluetooth printer is smaller than or larger than the effective distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469632.6A CN107423002B (en) | 2017-06-20 | 2017-06-20 | Printing method and system for mobile terminal to be wirelessly connected with Bluetooth printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710469632.6A CN107423002B (en) | 2017-06-20 | 2017-06-20 | Printing method and system for mobile terminal to be wirelessly connected with Bluetooth printer |
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| CN107423002A CN107423002A (en) | 2017-12-01 |
| CN107423002B true CN107423002B (en) | 2020-08-14 |
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| CN201710469632.6A Expired - Fee Related CN107423002B (en) | 2017-06-20 | 2017-06-20 | Printing method and system for mobile terminal to be wirelessly connected with Bluetooth printer |
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| CN111679798B (en) * | 2020-06-03 | 2023-04-25 | 北京百瑞互联技术有限公司 | Multi-connection data management method for Bluetooth printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1520210A (en) * | 2003-09-02 | 2004-08-11 | �����а¸������ӿƼ�����˾ | Method and device system for driving peripheral equipment through connection of mobile phone |
| CN101964856A (en) * | 2009-07-23 | 2011-02-02 | 佳能株式会社 | Information processor and information processing method |
| CN104750438A (en) * | 2013-12-27 | 2015-07-01 | 腾讯科技（深圳）有限公司 | Method and device for printing based on mobile terminal |
| CN105322984A (en) * | 2014-07-30 | 2016-02-10 | 西安司坤电子科技有限公司 | Efficient Bluetooth device automatic classification networking method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6350073B2 (en) * | 2014-07-29 | 2018-07-04 | セイコーエプソン株式会社 | Device control apparatus, device control method, and device control program |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1520210A (en) * | 2003-09-02 | 2004-08-11 | �����а¸������ӿƼ�����˾ | Method and device system for driving peripheral equipment through connection of mobile phone |
| CN101964856A (en) * | 2009-07-23 | 2011-02-02 | 佳能株式会社 | Information processor and information processing method |
| CN104750438A (en) * | 2013-12-27 | 2015-07-01 | 腾讯科技（深圳）有限公司 | Method and device for printing based on mobile terminal |
| CN105322984A (en) * | 2014-07-30 | 2016-02-10 | 西安司坤电子科技有限公司 | Efficient Bluetooth device automatic classification networking method |
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