CN109003434B - Infrared remote control system and method - Google Patents
Infrared remote control system and method Download PDFInfo
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- CN109003434B CN109003434B CN201710421597.0A CN201710421597A CN109003434B CN 109003434 B CN109003434 B CN 109003434B CN 201710421597 A CN201710421597 A CN 201710421597A CN 109003434 B CN109003434 B CN 109003434B
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000013507 mapping Methods 0.000 claims abstract description 24
- 108091006146 Channels Proteins 0.000 description 29
- 238000010586 diagram Methods 0.000 description 3
- 102100034741 Cyclin-dependent kinase 20 Human genes 0.000 description 2
- 101500014379 Lymnaea stagnalis Ovulation hormone Proteins 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42208—Display device provided on the remote control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42226—Reprogrammable remote control devices
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
- Details Of Television Systems (AREA)
Abstract
The invention discloses an infrared remote control system and method for infrared remote control equipment, wherein the infrared remote control system comprises a terminal and a control module, wherein the terminal is used for displaying a key interface of the infrared remote control equipment, and the key interface displays program name keys corresponding to channels which can be received by the infrared remote control equipment; the keyboard is used for inputting a keyboard instruction according to the keyboard interface by a user; the MCU is used for storing a key coding mapping table; the key code mapping table is used for storing the infrared code signals corresponding to the program names; searching the key coding mapping table according to the key instruction input by the user so as to convert the key coding mapping table into an infrared coding signal, and sending the infrared coding signal to a transmitting circuit; and the transmitting circuit is used for receiving the infrared coding signal transmitted by the MCU so as to remotely control the infrared remote control equipment.
Description
Technical Field
The invention relates to an infrared remote control system and method.
Background
With the rapid development of digital television technology, the number of television channels that people can receive has reached more than several hundred, and usually set-top box manufacturers are equipped with corresponding infrared remote controllers when making television set-top boxes. The existing infrared remote controllers are generally provided with channel keys, namely, a number key of 0-9 and a + -, key, and a user can only input a channel number corresponding to a number or a number combination. For example, if the corresponding channel number is 21, the user needs to input the number combination 2, 1 to see the program of BTV-1 in beijing television station BTV-1. Or the user can press the + or-key to tune to the corresponding channel according to a certain channel sequence to see the wanted television station program. However, with the increase of the number of tv entertainment channels, the user cannot remember the tv station corresponding to each of several hundreds of channels accurately, and thus cannot key in the channel number to be watched correctly, and often cannot key in the channel number correctly when the channel needs to be switched, and if the channel is switched according to the +, -key, it takes a long time and easily misses the channel to be switched.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an infrared remote controller which is convenient for a user to intuitively operate a channel number, and the infrared remote controller comprises the following technical scheme:
a remote control system for remotely controlling a device, comprising,
the terminal is used for displaying a key interface of the remote control equipment, and the key interface displays program name keys corresponding to channels which can be received by the remote control equipment; the keyboard is used for inputting a keyboard instruction according to the keyboard interface by a user;
the MCU is used for storing a key coding mapping table; the key code mapping table is used for storing the code signals corresponding to the program names; searching the key coding mapping table according to the key instruction input by the user so as to convert the key coding mapping table into a coding signal, and sending the coding signal to a transmitting circuit;
and the transmitting circuit is used for receiving the coding signal transmitted by the MCU so as to remotely control the remote control equipment.
Wherein,
the coded signal is formed by combining one or more digits from 0 to 9.
Wherein,
the MCU sends the digital code every 100 ms.
Wherein,
the number of the remote control devices is multiple; the coding table codes segment numbers according to the number of the remote control devices;
and the MCU searches the digital code corresponding to the key according to the mapping table corresponding to the segment number.
The invention further provides a method for remotely controlling equipment through a terminal, wherein the terminal is used for displaying the program names corresponding to the channels which can be received by the remote control equipment, and the method comprises the following steps:
pressing a program name key to be selected by a user;
the MCU searches the key coding table according to the program name key and sends the key coding table to the transmitting circuit according to the searched key coding;
and the transmitting circuit transmits the key code to the equipment.
Wherein,
the coded signal is formed by combining one or more digits from 0 to 9.
Wherein,
the MCU sends the digital code every 100 ms.
Wherein,
the number of the remote control devices is multiple; the coding table codes segment numbers according to the number of the remote control devices;
and the MCU searches the digital code corresponding to the key according to the mapping table corresponding to the segment number.
The embodiment of the invention has the following beneficial effects: the infrared coding table loaded in the series infrared remote control system can directly display the channel name on the keyboard, and the control unit transmits the channel number corresponding to the channel name to the infrared receiving unit through the infrared coding table and the infrared coding circuit, so that a user can intuitively operate equipment programs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a series infrared remote control system according to the present invention;
FIG. 2 is a schematic diagram of a keyboard of a series infrared remote control system according to the present invention;
fig. 3 shows a workflow of a series infrared remote control system according to the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In order to facilitate understanding of the technical solution of the present invention, the present embodiment takes two devices, i.e., a television and a CD player, as an example for description. Fig. 1 is a circuit block diagram of a series infrared remote controller according to the present invention.
The device comprises a terminal, wherein a user can load a key interface of the remote controller of the device in the terminal;
the MCU can store a plurality of infrared coding mapping tables;
and the infrared transmitting circuit receives the control coding instruction sent by the MCU so as to remotely control the required equipment.
Specifically, the MCU learns the channel number, the channel name, and other parameters of the tv stations that can be received by the tv set. For example, if the number of tv stations that the cable of Beijing opera can receive is 600, the corresponding relationship between the names and channels is self-learned;
and then, forming an infrared coding mapping table in the MCU, and coding the infrared signals corresponding to the channel numbers according to the infrared coding mapping table. For example, if channel 1 corresponds to a central set of composite channels, the key name "central set of composite" may be defined, as shown in fig. 2.
Being a television device, the following code is 1, i.e., until the code is 600, for a TVCH coded as segment 1, as shown in the following table.
A user loads a key interface and a corresponding infrared coding mapping table to a terminal by downloading or other methods, the terminal displays corresponding No. 1-600 television channel keys, and the user can press a corresponding television station name key by the keys;
in step 101, a user presses a key corresponding to a television station to be watched, and a key instruction is sent to the MCU;
for example, when the user presses the key "Anhui Security television", the terminal transmits the instruction to the MCU;
then, in step 102, the MCU searches an infrared coding mapping table to acquire infrared coding information corresponding to the key instruction;
in this embodiment, if the code in the code mapping table corresponding to the security defense television is 256, that is, the MCU receives a button command of TVCH (television channel) 256, and finds out the fields corresponding to TVCH in the command as the stored numbers 0 to 9 in segment 1 according to the infrared code mapping table;
then, in step 103, the MCU sends the searched coding information to the infrared transmitting circuit; the MCU can send the corresponding infrared code strings with the storage positions of 02, 05 and 06 to the infrared transmitting circuit every 100 ms;
next, in step 104, the infrared emission head is sent to the television set to complete the channel switching of the television station.
By analogy, a user can perform one-key pressing operation through names corresponding to more than 600 television stations, and then remote control operation on the television can be achieved. More conveniently, the system of the invention may also operate different remote control devices to select different entertainment items, such as CD players and the like.
The MCU may store 10 pieces of control, 10 devices with numbers 0-9, from e.g. 0-100, depending on the kind of device, such as: the numbers 0-9 in paragraph 1 define the television equipment TVCH, the numbers 10-19 in paragraph 2 define the CD equipment, and so on.
The TV device is segment 1 of the code table, the codes are formed by numerical sequence numbers in 0-9, the CD device is segment 2 of the code table, the codes are formed by numerical sequence codes in 10-19, and the following table shows:
similarly, the keys in the CD device may also be encoded according to the names of the songs corresponding to the audio tracks, for example, 20 songs are stored in the CD device, the audio track corresponding to each song is from 1 to 20, and the MCU stores the ir encoding tables as the names of the songs and the corresponding audio tracks. For example, if the music track with the song name "east red" is 119, when the user presses the key "CDCH east red", that is, the MCU receives the "CDCH east red" command, the MCU numbers the music tracks in the order by looking up the infrared coding mapping table according to the fields corresponding to the CDs in the command as the numbers 10-19 stored in the 2 nd paragraph, that is, the music track 15 is "11" or "15", and then the MCU sends the corresponding infrared codes with the storage positions "11" or "15" to the CDs through the infrared transmitter every 100ms to complete the switching of the music tracks of the CDs.
As described above, when the user operates the remote control device, the user can complete a program desired to be viewed or listened to without inputting a corresponding channel or track number.
The present invention has been described in detail with reference to the specific and preferred embodiments, but it should be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and any modifications, equivalents and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (4)
1. An infrared remote control system for remotely controlling a plurality of infrared remote control devices, said infrared remote control devices including at least devices for watching programs and listening to programs; the infrared remote control system includes: the terminal is used for displaying a key interface of the infrared remote control equipment, and the key interface displays program name keys corresponding to channels which can be received by the infrared remote control equipment; the keyboard is used for inputting a keyboard instruction according to the keyboard interface by a user; the MCU is used for storing a key coding mapping table; the key code mapping table is used for storing segment numbers corresponding to the infrared remote control devices and infrared code signals formed by program channel number codes of the infrared remote control devices under the segment numbers corresponding to the infrared remote control devices; searching the key coding mapping table according to the key instruction input by the user so as to convert the key coding mapping table into an infrared coding signal, and sending the infrared coding signal to a transmitting circuit; the transmitting circuit is used for receiving the infrared coding signal transmitted by the MCU so as to remotely control the infrared remote control equipment; and the MCU sends the infrared coding signals every 100 ms.
2. The remote control system of claim 1, wherein: the infrared coding signal is formed by combining one or more digits from 0 to 9.
3. An infrared remote control method for the infrared remote control system of claim 1, the method comprising: pressing a program name key of the infrared remote control equipment to be selected by a user; the MCU searches the key code mapping table corresponding to the key according to the program name key of the infrared remote control equipment and sends the key code mapping table to the transmitting circuit according to the searched infrared code signal; the transmitting circuit transmits the infrared coding signal to the infrared remote control equipment; and the MCU sends the infrared coding signals every 100 ms.
4. The method of claim 3, wherein: the infrared coding signal is formed by combining one or more digits from 0 to 9.
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| CN201710421597.0A CN109003434B (en) | 2017-06-07 | 2017-06-07 | Infrared remote control system and method |
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| CN109003434B true CN109003434B (en) | 2021-08-31 |
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| CN110278473B (en) * | 2019-06-28 | 2022-04-12 | 高斯贝尔数码科技股份有限公司 | Digital television remote control channel switching method and system based on voice recognition |
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