Summary of the invention
Technical problem to be solved by this invention is, overcomes the deficiency of existing tv remote control system, proposes a kind of can directly using a teleswitch the channel tuning data are set, and makes the user can not carry out the tv remote control system and the remote control thereof of channel search operation.
In order to solve the problems of the technologies described above, the invention provides a kind of tv remote control system, comprise remote controller end and television playing device end, wherein, the remote controller end comprises the remote controller key group, first remote-controlled launch unit, first processor, power supply; The television playing device end comprises second processor, the second remote control receiving element, tuner and second memory; The channel that described second processor is used for receiving according to the described second remote control receiving element retrieves corresponding channel tuning data at described second memory, and these channel tuning data are sent to described tuner; It is characterized in that,
This system also comprises: be arranged on the first memory of described remote controller end, be used to preserve the channel information data of the channel tuning data that comprise channel and correspondence thereof;
Described first processor also is used for the channel information data that access is kept at first memory, and described channel information data is sent to the described second remote control receiving element by first remote-controlled launch unit;
Described second processor also is used for the described channel information data that the second remote control receiving element receives is kept at described second memory.
In addition, described remote controller end also comprises the external apparatus interface that is used for from external equipment described channel information data being downloaded to described first memory; Described external apparatus interface is: USB (universal serial bus), serial ports, parallel port, one of infrared interface.
In addition, the channel information data of preserving in the described first memory comprises the channel number field, described first processor is according to the push button signalling of the expression channel number of described remote controller key group output, from described channel information data, retrieve corresponding channel, and this channel is sent to the described second remote control receiving element by described first remote-controlled launch unit.
In addition, the channel information data of preserving in the described first memory comprises channel number field and user's group number field, described first processor is according to the push button signalling of user by the expression channel number of selected user's group number of the specific function button of described remote controller key group and the output of remote controller key group, from described channel information data, retrieve corresponding channel, and this channel is sent to the described second remote control receiving element by described first remote-controlled launch unit.
In addition, described television playing device end comprises second remote-controlled launch unit, and described remote controller end comprises the first remote control receiving element; Wherein, second remote-controlled launch unit and the first remote control receiving element are used to realize that the channel tuning data back upgrades operation, and promptly second remote-controlled launch unit channel information data that comprises channel and corresponding channel tuning data thereof that will be kept under the control of described second processor in the described second memory is sent to the first remote control receiving element; Described first processor also is used for using this channel information data to upgrade the channel information data that is kept at described first memory.
In addition, described channel information data also comprises the channel designation field, and described remote controller end also comprises display screen, is used for indicated channel information data under the control of described first processor.
In addition, described first processor also is used for the special function keys that is used to sort according to described remote controller key group output, and channel information data is carried out sorting operation.
In addition, described power supply is a rechargeable battery, and described remote controller end also comprises charging circuit and is used for this battery is carried out charging operations.
The present invention also provides a kind of TV remote controlling method, comprises following steps:
A) in remote controller channel and the corresponding channel tuning data thereof identical with preservation in the television playing device;
B) after the user pressed channel selection numerical key in the remote controller, remote controller obtained corresponding channel according to this channel selection numerical key;
C) remote signal that will comprise above-mentioned channel is sent to television playing device;
D) after television playing device received above-mentioned remote signal, it was tuning to adopt corresponding channel tuning data that the high-frequency signal of receiving is carried out according to described channel, play the program of this channel.
In addition, also preserve the channel number corresponding with channel in the described remote controller, the channel selection numerical key in the described step b) is represented channel number, and remote controller obtains corresponding channel according to this channel number inquiry.
In addition, also preserve user's group number in the described remote controller, and the channel number corresponding with channel; Before described step b), also comprise following steps:
A1) user is provided with the channel in user's group number and each user group, the corresponding relation of channel number;
A2) user selects user's group number;
Channel selection numerical key in the described step b) is represented channel number, and remote controller obtains corresponding channel according to user's group number and channel number inquiry that should be selected.
The present invention makes the user can not carry out the channel search operation and directly uses television set, and the user can be sorted to each channel more easily by memory is set in remote controller.
Embodiment
Development along with embedded software and hardware technology, the cost of embedded system is more and more lower, therefore memory can be set in remote controller, and by USB (Universal Serial Bus, USB) etc. channel and data such as corresponding channel tuning data and channel designation thereof are downloaded and preserved to interface from PC (Personal Computer, PC).Like this, above-mentioned channel and channel tuning data can be sent to television set from remote controller, save the operation of users with channel search.In addition, the present invention also can sort to channel and corresponding channel tuning data according to different user groups, to satisfy each user's personalized channel selection demand.
Describe the present invention below in conjunction with drawings and Examples.
As shown in Figure 2, the tv remote control system as the preferred embodiment of the present invention comprises remote controller end and TV set terminal.Wherein, the remote controller end comprises: first processor, remote controller key group, first infrared emission unit, first memory, first infrared receiver, display screen, USB interface; TV set terminal comprises: antenna, second processor, television set key groups, second infrared receiver, tuner, second memory, second infrared emission unit (having omitted parts such as intermediate-freuqncy signal processing unit among the figure).
Above-mentioned remote controller key group is used for importing channel selection, volume controls, sends to TV set terminal user's operational orders such as the channel and corresponding channel tuning data, the channel information data thereof that are kept at first memory sort, selection user group;
Above-mentioned first infrared emission unit is used for sending to TV set terminal the infrared remote-controlled signals such as channel tuning data of operational order, channel and correspondences thereof such as channel selection under the control of first processor;
Above-mentioned first memory is used to preserve channel information data; Wherein channel information data comprises channel and corresponding channel tuning data thereof; In addition, channel information data also can comprise information such as channel designation, channel number and user's group number.
Above-mentioned first infrared receiver is used for receiving channel and the corresponding infrared remote-controlled signals such as channel tuning data thereof that TV set terminal sends under the control of first processor;
Above-mentioned display screen is used for function menu and channel and corresponding information such as channel designation thereof under the control of first processor; Wherein, display screen is a selectable unit (SU);
Above-mentioned USB interface is used for linking to each other with external equipment such as PC, transmits channel information data; Certainly also can adopt serial ports, parallel port or interface such as infrared to link to each other, finish the transmission of data with PC;
Above-mentioned first processor is used to receive and handle the push button signalling that the remote controller key group sends; The data of controlling first infrared emission unit and first infrared receiver send and receive; Control display screen is carried out information and is shown; Control USB interface and external equipment swap data, and the accessing operation that first memory is carried out data;
First processor also is used for behind the specific function button that receives the transmission of remote controller key group the channel information data that is kept in the first memory being carried out sorting operation; And after the channel information data rearrangement, send the order of channel tuning data upload to TV set terminal, to upgrade the channel and the channel tuning data of preserving on the second memory.
First processor also is used for the push button signalling according to the expression channel number of user-selected fixed user's group number and the output of remote controller key group, retrieve corresponding channel in the channel information data of from first memory, preserving, and this channel is sent to TV set terminal by first remote-controlled launch unit.About the notion of user's group number and channel number, also will be described in detail hereinafter.
Above-mentioned television set key groups is used for importing channel selection, volume control, sends user's operational orders such as the channel that is kept at second memory and channel tuning data thereof to the remote controller end;
Above-mentioned antenna is used to receive high-frequency TV signal;
Above-mentioned tuner is used for according to the channel tuning data of input the high-frequency TV signal that receives from high frequency TV signal source such as antenna, cables being carried out tuning, the output intermediate-freuqncy signal;
Above-mentioned second infrared receiver is used for receiving operational order, channel and the corresponding infrared remote-controlled signals such as channel tuning data thereof that the remote controller end sends under the control of second processor;
Above-mentioned second infrared emission unit is used for sending channel and the corresponding infrared remote-controlled signals such as channel tuning data thereof that is kept at second memory under the control of second processor;
Above-mentioned second memory is used for the storage of channel information data; Wherein second memory only need be preserved channel and the corresponding channel tuning data thereof in the channel information data;
Above-mentioned second processor is used to receive and handle the push button signalling that the television set key groups sends; The data of controlling second infrared emission unit and second infrared receiver send and receive; Second memory is carried out the accessing operation of data; Send the channel tuning data of user's currently selected channel to tuner.
Second processor also is used to carry out the channel tuning data back and upgrades operation, promptly in the instruction that receives remote controller, the transmission of television set key groups, or after channel of preserving on the second memory and the channel tuning Data Update, the channel and the corresponding channel tuning data thereof that will be kept on the second memory by second infrared emission unit are sent to the remote controller end.
As from the foregoing, tv remote control system of the present invention has increased first memory on remote controller, is used for storage of channel number and channel information such as corresponding channel tuning data and channel designation thereof.Above-mentioned channel information can be downloaded from PC by interfaces such as USB, serial ports, parallel ports, or writes first memory by remote controller manufacturer when dispatching from the factory, so external apparatus interface such as USB, serial ports, parallel port is a selectable unit (SU).
Below in conjunction with drawings and Examples TV remote controlling method of the present invention is described in detail.
When using remote control system for the first time, need carry out the operation of channel tuning data upload.As shown in Figure 3, the operation of channel tuning data upload comprises following steps:
101: in the first memory of remote controller, preserve channel information data;
Above-mentioned channel information data can write first memory by manufacturer when remote controller dispatches from the factory; If comprise external apparatus interfaces such as USB, serial ports, parallel port in the remote controller, also can pass through this interface download channels information data from external equipments such as PC.
Above-mentioned channel information data comprises channel, channel designation and channel tuning data.
In addition, because PC has very strong text editing ability,, and channel designation is wherein edited and retouching operation so before channel information data downloaded to remote controller, the user can sort to channel information data on PC.
102: the user starts the operation of channel tuning data upload by the specific function button in the remote controller key group, and channel in the channel information data of preserving in the first memory and corresponding channel tuning data thereof are sent to TV set terminal by first infrared emission unit;
103: second infrared receiver of TV set terminal is kept at it in second memory after receiving the channel tuning data of above-mentioned channel and correspondence thereof in regular turn.
Above-mentioned special function keys can be arranged on a special function keys in the remote controller key group, also can the key combination that start respective menu items when in remote controller, comprising display screen, for example: press " menu " key open function menu, press " moving down " key and move to corresponding channel tuning data upload function choosing-item, press " selecting " key and start the operation of channel tuning data upload.
Except above-mentioned channel tuning data upload operation, TV remote controlling method of the present invention also comprises the channel selection operation.As shown in Figure 4, the channel selection operation comprises following steps:
201: the user presses the channel selection numerical key in the remote controller key group;
202: first processor obtains channel according to above-mentioned channel selection numerical key;
Because the numeral of channel selection numerical key correspondence is channel, so first processor only needs collect normally and resolve user key-press to obtain channel.
203: above-mentioned channel is sent to TV set terminal by the first infrared transmitting element;
Processor obtained corresponding channel tuning data according to the above-mentioned channel that receives in second memory in 204: the second, and these channel tuning data are sent to tuner;
205: tuner carries out tuning to the high-frequency signal that receives according to above-mentioned tuning data, plays the program of this channel.
In above embodiment, channel of preserving in first memory and the second memory and channel tuning data thereof are identical, and the user uses a teleswitch, and to carry out channel selection operation be to send channel to television set and finish by pressing channel selection numerical key corresponding with channel in the remote controller key group.That is to say that channel is the index of channel information ordering.This sortord can't make a plurality of users carry out channel ordering and channel selection operation according to hobby separately.Therefore, on the basis of above embodiment, can increase the channel number field in another embodiment channel information is sorted.Fig. 5 shows the channel information data structural representation that comprises channel number, has omitted the channel tuning data field among the figure, and this channel information data is kept in the first memory.
When adopting channel information data shown in Figure 5 to carry out the channel selection operation, the numerical key in the remote controller key group is no longer corresponding with channel, but corresponding with channel number.That is to say, when the user carries out the channel selection operation by remote controller, press the numerical key of expression channel number, first processor is inquired about corresponding channel according to this channel number in channel information data, and the channel of correspondence is sent to TV set terminal by first infrared emission unit, finish the channel selection operation.
On the basis of aforesaid operations pattern, can also further increase user's group field, for each user organizes the different channel bank sequential mode of customization.Fig. 6 is the channel information data structural representation that comprises user's group number, has omitted the channel tuning data field among the figure, and this channel information data is kept in the first memory.
When adopting channel information data shown in Figure 6 to carry out the channel selection operation, can adopt the selected appropriate users group of special function keys in the remote controller key group earlier, select channel number then, first processor is inquired about corresponding channel according to selected user's group and channel number in channel information data, and the channel of correspondence is sent to TV set terminal by first infrared emission unit, finish the channel selection operation.
In channel information data, increase personalized channels ordering and channel selection scheme that user's group number field can realize the multi-user.User's group of current selected can be used as a mode field and is kept in the first memory, and the user of this user's group need not once more user's group to be selected when carrying out follow-up channel selection operation.In addition, can also set special user's group, the channel number that this user organizes in the corresponding channel information data is identical with channel, promptly is equivalent to adopt channel as channel ordering and channel selection index.
In addition, if comprise display screen in the remote controller, the user can start the channel information display operation by the specific function button in the remote controller key group, and channel and the corresponding channel designation of preserving in the memory thereof is presented on the display screen.By in the remote controller key group/following page turning or on/following line feed key, the user can browse the channel designation of all channel correspondences, carries out the channel selection operation according to channel designation.In addition, the user also can select a channel designation by the selected button in the remote controller key group and last/following shifting bond(s), and moves/move down operation on carrying out, and channel information is resequenced.After the channel information rearrangement, should send the order of channel tuning data upload, to upgrade the channel and the channel tuning data of preserving on the second memory to TV set terminal.
In addition, the user still can use the manual or automatic function of search of the intrinsic channel of television set that the channel tuning data are searched for or channel tuning data such as fine setting upgrades operation.After the channel tuning Data Update, need carry out the channel tuning data back and upgrade operation, the channel and the channel tuning data thereof that are about to upgrade download to remote controller from TV set terminal by second infrared emission unit.Above-mentioned down operation can be finished after the channel tuning Data Update automatically, also can manually finish by the special function keys of television set key groups or remote controller key group.
Usually, remote controller all adopts common AAA or AA battery as power supply, also can adopt battery of mobile phone as power supply.Because the energy consumption of remote controller is lower,, also can in remote controller, use even therefore electric weight can't drive the battery of mobile phone.In addition, can also on remote controller, increase charging circuit, use, further expand the function of remote controller as charger for mobile phone.
The above embodiment of the present invention is that example is described tv remote control system and remote control thereof with the television set.Along with popularizing of digital television techniques, set-top box has begun to progress into family; The function that parts such as the infrared remote control receiving element in traditional television set, tuner are realized can be replaced finishing by the corresponding component that is provided with on the set-top box.For example, be provided with infrared receiver in the set-top box, be used to receive the channel selecting signal that remote controller sends; And be provided with numeral/electronic tuning unit in the set-top box, and be used for the TV signal that receives is carried out tuning, and processing such as decode is sent to picture signal television set at last, is shown to the user by television set.Therefore, tv remote control system of the present invention and remote control thereof also are applicable to television playing devices such as set-top box.