CN1612768A - Remote control system - Google Patents
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- CN1612768A CN1612768A CN02810515.XA CN02810515A CN1612768A CN 1612768 A CN1612768 A CN 1612768A CN 02810515 A CN02810515 A CN 02810515A CN 1612768 A CN1612768 A CN 1612768A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H30/00—Remote-control arrangements specially adapted for toys, e.g. for toy vehicles
- A63H30/02—Electrical arrangements
- A63H30/04—Electrical arrangements using wireless transmission
Abstract
The invention relates to a remote control system wherein a plurality of remote control devices and remote control receivers may be operating simultaneously. A remote control device comprises input elements for providing electrical control signals, a transmitter, and a processing device arranged for receiving the control signals from the input elements, providing a coded signal to the transmitter, said signal being coded with a repeating frame format, wherein each frame comprises a number of data packets each contained in subsequent time slots, and wherein each data packet comprises a time slot identifier identifying the time slot in which the data packet is contained. A remote control receiver is arranged for decoding a signal having a corresponding repeating frame format. The invention provides simple and reliable operation, synchronizing, addressing and connection functions, high bandwidth utilization and high tolerance towards disturbances, interference and communication obstructions. The invention may advantageously be used for remotely controlling objects for playing or amusement, such as controllable toys and model vehicles.
Description
Technical field
The present invention relates generally to the Long-distance Control target, especially for the target of recreation or amusement, as controllable toy and model car.
More particularly, the present invention relates to the remote control that in the communication coverage area that a plurality of remote controls and receiver of remote-control sytem can be worked simultaneously, uses.
The invention still further relates to the receiver of remote-control sytem that is used for providing to external object processing signals, this target is fit to be used for the zone that a plurality of remote controls and receiver of remote-control sytem can be worked simultaneously by remote control control.
Background of invention
The device, the system and method that are used for remote-control target (as toy) are well known in the prior art.Usually, this system is based on radio communication or optic communication, particularly infrared communication.In typical prior art was used, remote control comprised transmitter, and it sends comes encoded signals with control information (as turning to or velocity information).The corresponding receiver that is connected to controlled object receives the signal that is sent.Electronic circuit extracts control information, then it is transmitted to the corresponding control module in the target.
In the time will operating the receiver of a plurality of remote controls and a plurality of correspondences simultaneously in common environment, the FAQs relevant with this remote control system will produce.Systematic function requires the signal of a remote control transmission should only influence corresponding acceptor device reliably.
Relevant background technology
For simultaneously and handle the problem of a plurality of remote controllers and corresponding receiver/object respectively, multiple solution has been proposed.
United States Patent (USP) 4334221 discloses the Radio Control System that is used for toy vehicle systems, and it comprises a plurality of controllers and a plurality of corresponding toy that will control respectively.For this reason, each controller is set to repetition and asynchronous sends the command pulse string, and the duty cycle of its transmission is very low, so that the probability that does not interfere with each other between the train of pulse that sends is very high.Each command pulse string comprises the Digital ID sign indicating number of distributing to specific receiver.Identification code is previously selected by electric mechanical switch in control device and receiver.
Because the low duty cycle of communication is so the available bandwidth utilization rate that this scheme provides is very low.This causes the response time to increase again, thereby reduces overall performance.Moreover, use switch to select identification code to make operation cumbersome, because the identification code that the user must follow the tracks of used identification code and select not to be in a hurry at that time for the user.The shortcoming of this scheme is more obvious along with the quantity increase of control device and corresponding receiver.
United States Patent (USP) 5885159 discloses the system that is used for by many remote controls or " keypad " difference remote operation toy car.Be based on the use of radio communication and signal grouping from the receiver transmission information of remote control to toy car.The selected identity of the receiver (being toy car) that the repetitive operation number of times decision keypad of certain button on the at interval interior specific keypad of certain hour will be used with it.Each receiver comprises the switch that is used to select the sign relevant with receiver.Therefore, the intuitive manner that can't learn easily with the children that play and handle is selected or the change sign.In addition, solve possible communication contention aware owing to send the repeating signal grouping, so obviously do not utilize communication bandwidth well by keypad.
Summary of the invention
An object of the present invention is to provide a kind of remote control and receiver of remote-control sytem, eliminate whereby or reduce above-mentioned shortcoming.
Another object of the present invention provides a kind of remote control and receiver of remote-control sytem, is convenient to dynamically remote control is assigned to corresponding receiver of remote-control sytem whereby.
Another object of the present invention provides a kind of remote control and receiver of remote-control sytem, and they adopt the fixed communication protocol format, makes the remote control equipment that needs only from different manufacturers meet described protocol format, just can make up described equipment.
Another object of the present invention provides a kind of remote control and receiver of remote-control sytem, and they provide simple operations, high bandwidth utilization, low-power consumption, high workload reliability, low manufacturing cost and to the change conditions high fault tolerance of (blocking as external disturbance, interference and provisional communication).
A further object of the present invention provides a kind of remote control system, comprising at least one remote control that can in common communication coverage area, work and at least one receiver of remote-control sytem, wherein can easily set up the remote control link from a remote control to one or more receivers of remote-control sytem.
Above-mentioned target is to realize by the feature of stating in the appended claims.
Brief description
With reference to the accompanying drawings, the explanation of the most preferred embodiment of the present invention that provides by the mode of reading hereinafter with explanation and non-limiting example can be understood other details, features and advantages of the present invention, among the figure:
Fig. 1 is the schematic block diagram of a plurality of remote controls and the corresponding receiver of remote-control sytem system of working in collective environment;
Fig. 2 is the schematic block diagram of the hardware configuration of remote control;
Fig. 3 is the schematic block diagram of the hardware configuration of receiver of remote-control sytem;
Fig. 4 is the sequential chart that explanation sends the repeating frame form of signal;
Fig. 5 is the sequential chart of the form of explanation packet;
Fig. 6 is the state diagram of the basic operation of explanation remote control 100;
Fig. 7 is the state diagram of the basic operation of explanation receiver of remote-control sytem device 200.
Detailed description of the invention
Fig. 1 is the schematic block diagram of the corresponding receiver of remote-control sytem 200 of a plurality of (for example three) remote controls 10 and a plurality of (for example three) system of working in common communication coverage area 300.
Each receiver of remote-control sytem 200 may be arranged to the build-in components of controlled object.This type of target can be for example toy car, as the toy car.Each receiver of remote-control sytem provides a plurality of control signals, is used to control the various parameters of toy car.This type of control signal is the numeral or the analog signal of electronics normally, is used for controlling the motor that is subjected to car controlling, transfer, car light, sound-producing device etc.
200 of each receivers of remote-control sytem are distributed a remote control 100.Each remote control 100 is preferably only distributed to one of receiver of remote-control sytem 200.But remote control 100 also can once only be controlled the mode of one of them and distribute to a more than receiver of remote-control sytem 200.The operation of specific control device 100 is correspondingly moved the corresponding receiver of remote-control sytem 200 that distributes, and other receiver is not influenced by it.
Fig. 2 is the schematic block diagram of hardware configuration of the most preferred embodiment of remote control 100.
Base when microcontroller 110 is set to generating run.For this reason, microcontroller utilizes its system clock that is connected to timing means 106, is specially the timer/counter circuit 113 in the microcontroller 110.The fortune line timebase can be stored in the memory and the software program of being carried out by microcontroller 110 partly reads and is provided with.The fortune line timebase is used for increasing progressively operation time slot clock by the correct time interval, makes that this time slot clock and frame format 400 are synchronous.The time slot clock is a counter, 4 digit counters for example, and it comprises the current time slots number pairing value of frame format 400 always.
When each remote control another remote control from communication coverage area 300 was received packet, the software program part that is stored in the memory can write down the starting point of the reception of transmission this time, is used as transmission start time.Travsverse check is carried out in data groupings, so as calculation check and, with itself and actual verification and the comparison that sends.If verification and correct, then in the packet contained time slot mark symbol 410 to be used for the time slot clock setting be correct value.Utilize transmission start time adjustment fortune line timebase then, make the time slot clock when next time slot begins, increase progressively at correct time point.
Fig. 3 is the schematic block diagram of the hardware configuration of receiver of remote-control sytem.
Receiver of remote-control sytem 200 comprises treating apparatus 210, advantageously, treating apparatus 210 be with reference to used microcontroller 110 basic identical types in the figure 2 described remote controls 100 and microcontroller with similar hardware characteristics.Microcontroller 210 comprises central processing unit 225 and memory 226, and described memory comprises: read-only storage (ROM) is used to store program part and data fixing or that pack in advance; Random-access memory (ram) is used for storage volatility or ephemeral data; And half volatile storage district (as battery powered RAM), it is set so as when the device shutdown storage data.For remote control of the present invention, the operation of the content of read-only storage and the microcontroller 210 realized thus is unique.
Microcontroller 210 comprises serial input/output circuitry (UART) 211.The input of UART 211 is connected to the output of radio receiver unit 205, and acceptor unit 205 is preferably with identical with reference to the type of the acceptor unit 105 in the figure 2 described remote controls 100.The antenna 207 that is connected to the RF input of acceptor unit 205 makes microcontroller 210 can receive serial data.
Receiver of remote-control sytem comprises at least one output-controlling device 201, and output-controlling device 201 can comprise the digital drive circuit usually, is used to control motor, transfer or similar electromechanical assembly.
Receiver of remote-control sytem 200 can also comprise many control input units.Shown in most preferred embodiment in, control input unit 203 aanalogvoltage is offered the A/D converter 212 that is located in the microcontroller 210.Aanalogvoltage is measuring-signal preferably, and it provides feedback states, for example steering position from toy car, so that assist servo loop control steering position.
Receiver of remote-control sytem 200 can start or cuts out by console switch 209.
Be located at according to the microcontroller in the remote control of the present invention 101 and be suitable for according to hereinafter with reference Fig. 4 and the described generation time division multiplex of Fig. 5 host-host protocol, and according to these protocol transmission data.The microcontroller 201 that is located in the receiver of remote-control sytem 200 is fit to explain the data that receive by acceptor unit 205 according to same host-host protocol.
The signal that remote control 100 generates and sends has the frame format of continuous repetition, as shown in Figure 4.This signal comprises frame 400, and each frame 400 has fixed duration or length 401.
Each frame 400 is made of the continuous slot 402 of fixed qty, and each time slot may comprise the time-out 403 after packet 404 and each packet 404.The quantity of contained time slot 402 in the frame 401 (and thus obtained maximum data packet count) is corresponding to the maximum quantity of the remote control 100 that can be used in same area of radio coverage.Usually, be provided with 16 time slots 402 in a frame 401.Each contained in frame time slot 402 can be identified uniquely by the time slot mark symbol, and it can be the numeral of scope between 0 to 15 usually.The packet of each transmission comprises such time slot mark symbol, and sign transmits the shared time slot of this packet.
In most preferred embodiment, frame has the fixedly duration of 100ms.Packet can have the duration of 4ms usually, and suspends for 403 duration that have 2.25ms usually.Therefore, the total duration of time slot 402 is generally 6.25ms.
Describe the content of a data grouping 404 in the time slot 402 among Fig. 5 in detail.
The follow-up data that comprises in the packet 404 is a packet type identification 411, is generally 3.Packet type identification indicates a type among the predefined type collection of packet.The described possible data packet type of exemplary embodiments has " connecting grouping ", " address packets ", " billboard grouping " and " control grouping " for this reason.The value of corresponding packet type identification is 001,010,000 and 011.Packet type identification 100,101,110,111 can keep to be used for agreement expansion in the future.
Then, packet comprises serial data 412, and it can represent different information, decides on data packet type.These data take 16 usually.The total duration of this figure place and packet can change according to data packet type.But, can not be above the maximum duration of packet.This maximum duration is corresponding to the above-mentioned fixedly time slot duration.
At last, packet comprises verification and 413, is generally 4.
Must be clear and definite be that embodiment shown in Figure 5 and subsidiary description are just in order to illustrate the principle of the invention.Key issue is, can discern the information of following type and decodes from each or one group of packet:
The time slot mark symbol
Verification and
Control information (for example speed, steering position etc.)
" connection " information comprises selected address
" address " information, the receiver of sign expection
" billboard " information indicates time slot idle and that take
In certain embodiments of the invention, each packet can comprise one or more these information types in whole or in part, and those skilled in the art can easily find various information with needs to be encoded to mode in the packet.
For technology or other reason, even also may be with the content scrambling of certain predetermined way to each packet.
For example, each packet can be made of two differentiated parts; One comprises " control information " and one and comprises " protocol information ", such as time slot mark symbol, verification and, link information, address information and billboard information.
" control " of grouping partly can comprise its oneself " control data identifier ", the type of contained control information in the identification packet is such as speed, steering position etc.
Equally, " agreement " of grouping part can comprise " protocol data identifier ", the information that comprises in this part of identification packet.For example, can define " protocol section " of following type, they are respectively identified by certain protocol data identifier value:
1. the part that comprises following content: " being connected grouping " address of time slot mark symbol, verification and, most-significant byte.
2. the part that comprises following content: " being connected grouping " address of time slot mark symbol, verification and, least-significant byte.
3. the part that comprises following content: time slot mark symbol, verification and, " address packets " address of most-significant byte.
4. the part that comprises following content: time slot mark symbol, verification and, " address packets " address of least-significant byte.
5. the part that comprises following content: time slot mark symbol, verification and, " the billboard register " of most-significant byte.
6. the part that comprises following content: time slot mark symbol, verification and, " the billboard register " of least-significant byte.
In this embodiment, the meeting in group that comprises the height of related protocol information and lower part is in same time slot (the current time slot of distributing to remote control) but transmit in frame in succession.
Like this, just need to receive many packets (all comprising identical time slot mark symbol), so that can assemble each different piece of various types of information.
This embodiment of the present invention can have some advantage, as higher bandwidth availability ratio.But utilize the easier explanation of embodiment shown in Figure 5 and description of drawings principle of the present invention.
Suspend 403 expressions and do not carry out the period of transfer of data.The duration of suspending is given with the difference of the duration of packet 404 by the fixedly duration of time slot 402.
Fig. 6 is the reduced state diagram of the basic operation of explanation remote control 100.
The free time or the off-mode of remote control are illustrated in 130.This state or state when by user being closed deactivated corresponding to device.
When remote control 100 starts, carry out transition 141, and remote control enters original state 131.This state 131 comprises the execution of the initialize routine of remote control 100.In this initialize routine, remote control 100 is selected idle time slot for its operation automatically.This realizes by following operation, at first in being called the scheduled time slot of intercepting the period (for example 10 of the duration of a frame 401 times), the signal that the remote control that is sending of other activity that reception may exist from communication coverage area sends.Between this listen period, with representing that other remote control that is sending is in the Data Update described " billboard register " of the time slot that uses.This data obtain from time slot mark symbol 410, and these time slot mark symbols are present in each packet of any remote control transmission all the time.In addition, can obtain the information of relevant idle time slot from described " billboard grouping ", these " billboard groupings " are regularly sent by all movable in area of coverage remote controls.Hereinafter further specify the billboard grouping.
Intercept after the period end, remote control is checked the billboard register and is judged whether any available idle time slot.
If there was not idle time slot at that time, then remote control continues the idle time slot of search, till finding an idle time slot maybe this device is shut down.But, then select one of these idle time slots as at least one idle time slot time spent.The timeslot number that remote control advantageously selects nearest this device to use from the billboard register is idle as long as this timeslot number has been stored and identifies it from the billboard register.Otherwise remote control is selected a timeslot number at random in being identified as idle timeslot number.
Behind the selected timeslot number, remote control is realized the transition 143 to running status 132, and running status 132 is routine work states of remote control.As long as remote control remains running status 132, then selected timeslot number installs continuously effective to this, and this timeslot number will be used and indicate to all packets that remote control sends.In running status 132, control data is sent to the receiver of remote-control sytem that is distributed.The distribution of receiver of remote-control sytem hereinafter will be described.
In running status 132, the main task of remote control 100 is that control information is sent to its current receiver of remote-control sytem that is assigned with 200.In exemplary embodiments of the present invention, by sending predetermined packet of packets type identifier value, realizing this purpose as the packet of 011 " control grouping " type that is identified.The data division of these groupings comprises such as control informations such as electromotor velocity and direction, steering position, voice data, light data.
The imagination that should be pointed out that specific " control grouping " type is just in order to illustrate.Control information also can be with the information of other type, as address and/or billboard information combination, and be included in other packet type.
In running status, remote control is pressed specified time interval and is sent " address packets ", sends once as per 10 frames.In an exemplary embodiments of the present invention, come the home address grouping by predetermined packet of packets type identifier value (as 010).The data division of this grouping comprises address (being generally 16), provide in " catenation sequence " that formerly carry out this address and current being kept at " current address " register in, will be described below.
The imagination that is noted that specific " address packets " type is just in order to illustrate.Address information equally can be with the information of other type, such as control and/or billboard information combination, and be included in other packet type.This address can also split, and is placed in the grouping of other type partly to send one by one.
In running status 132, remote control is brought in constant renewal in previously mentioned billboard register.The billboard register comprises the binary flags about each timeslot number, promptly is generally 16 signs.In the register the specific binary flags value (as " 1 ") at position n place indicate remote control the receiver partial record from the transmission activity of this remote control, it is in the period predetermined and process recently, as at last 255 frames current use timeslot number n in the period.According to clocklike at interval, as the period of per 10 frames, remote control 100 sends the packet of " billboard grouping " types, wherein comprises billboard information.This grouping is identified by predetermined binary packet type identifier (as 000).In most preferred embodiment of the present invention, 16 bit data of billboard grouping partly comprise the current content of billboard register.The n position detects activity for " 1 " shows recently on the n time slot.The n position does not detect any activity recently for " 0 " expression on the n time slot.
The imagination that should be pointed out that specific " billboard grouping " type is just in order to illustrate.Billboard information equally can be with the information of other type, such as control and/or address information combination, and be included in other packet type.This billboard information can also split, and is placed in the grouping of other type partly to send one by one.
This billboard function is transmitted the relevant information that takies time slot by other remote control, its purpose be with remote control its original state the term of execution mistakenly particular time-slot is interpreted as idle probability and reduces to minimum.The billboard function if be unrealized, if during the original state (for example since its temporary position in the dead band or other unexpected interference) correctly receive the signal that the remote control that takies this particular time-slot sends, this situation then takes place probably.
Activate the connection switch, carry out by " the connection button of pressing on the remote control 100 " 121 usually as the switch in the first combination operation device 117 121.After activating like this, remote control enters connection status 133 (transition 144).Under this state, the address generator generation that is located in the remote control is generally 16 random address.The address that generates is stored in the address register relevant with connecting switch 121.This address also is stored in " current address " register, and " current address " register comprises the current address whenever remote control uses.The number of the length of address and possibility address is big must to be enough to make two remote controls that use in the same area of coverage to select the probability of identical address very low.100 of remote controls repeat to send " connecting grouping ".Connecting grouping is identified by predetermined binary packet identifier (as 001).Follow-up 16 bit data of this grouping partly comprise the address of above-mentioned generation.
The imagination that should be pointed out that specific " connecting grouping " type is just in order to illustrate.Link information (comprising selected address) equally can be with the information of other type, such as control and/or address information combination, and be included in other packet type.This link information can also split, and is placed in the grouping of other type partly to send one by one.
Remote control keeps connection status 133, up to linkage function deactivated (transition 145).Usually, this transition is carried out when discharging connection button 121.Remote control turns back to running status 132.
(transition 146) that activates selector switch, normally carries out as the selector switch 122 in the first combination operation device 117 by " selector button of pressing on the remote control " 122.After activating like this, the content of the address register relevant with the pairing connection switch of this selector switch 122 121 is passed to Current Address Register.The content of this Current Address Register regularly transmits as " address packets ", as mentioned above.
When remote control 100 shutdown (transition 148), it turns back to free time or off-mode 130.Though show among Fig. 6, no matter when remote control shuts down, and can turn back to idle condition 130 from the arbitrary state state 131,133 and 134.
A more than connection switch and corresponding selector switch can be set, 121,123 and two selector switches 122,124 of two connection switches for example, as shown in Figure 2.Activating arbitrary connection switch all can allow remote control enter connection status once more.This means that having generated another random address also is stored in the address register and Current Address Register relevant with this connection switch simultaneously.Send the connection grouping that comprises this address then.The purpose of linkage function is to set up linking between remote control and the receiver of remote-control sytem.The connection response packet of receiver to being sent hereinafter described.
Activate the address that any one selector switch causes being stored in the address register relevant with corresponding connection switch and be passed to Current Address Register.This makes the receiver of remote-control sytem that the address is relevant therewith selected again.
Fig. 7 is the reduced state diagram of the basic operation of explanation receiver of remote-control sytem 200.
The free time or the off-mode of receiver of remote-control sytem 200 are illustrated in 230.State when this state shuts down corresponding to receiver.
The address relevant with receiver 200 is stored in half included in the memory 225 volatile storage register.The content of address register can be previous addresses distributed, the new address by the connection packet allocation received or do not distribute random value under the situation of particular address.
When receiver of remote-control sytem is started shooting, carry out transition 241, receiver enters passive state 231.Under this state, receiver does not have distributed time slot to obey, and should be unable to react to the control information of any reception thus.
In passive state 231, receiver is searched for the address packets in any time slot, and described address packets comprises the address that institute's address stored is complementary in the address register that installs therewith.In case find this matching addresses, have timeslot number contained in the grouping of match address and just be stored in the current time slots register as " current time slots " of this receiver, the current time slots register also is the register that comprises in the memory 225.Receiver enters active state 232 (transition 242) then.In active state 232, receiver is reacted to " current time slots " middle control information that receives that the current time slots register provides.
In active state 232, receiver checks constantly whether the address packets that receives in " current time slots " still comprises address stored in the address register.If detect different addresses at this moment in the crack, then receiver enters passive state 231 (transition 243) once more.
In active state 232, receiver monitors also whether address stored occurs in its address register in another time slot.If this situation, then the timeslot number of this time slot is stored in the current time slots register.When this situation may occur in the remote control that sending and sends used time slot because of certain reason change.
In passive state 231, activate when connecting switch 217 (carrying out by the connection button of pressing on the receiver of remote-control sytem 200 217 usually), receiver enters connection status 233 (transition 246).Therefore, in active state 232, activate the connection switch and also can make receiver enter connection status 233 (transition 248).
In connection status 233, microcontroller 210 in the receiver of remote-control sytem 200 is used for extracting packet by the data that receive from the radio receiver unit, and then utilizes the packet type identification field of packet to detect whether the packet that is received is to connect grouping.Be grouped into the connection grouping if discern this, then contained address is stored in the address register of receiver memory in the address field of this connection grouping, is appointed as the current address of receiver of remote-control sytem.In addition, the timeslot number of this connection grouping is stored in the time slot register in the receiver memory, is appointed as the current time slots number of receiver.
Like this, connect switch 121, the 123 current remote controls that have been activated 100 and be assigned to the receiver of remote-control sytem 200 that connection switch 217 is activated simultaneously.
Receiver of remote-control sytem remains connection status 233, and is deactivated up to linkage function.Usually, this deactivation is carried out by release-push 217.
Before during this connection status a distributed time slot is arranged if receive connection grouping or receiver 200 recently during the connection status, deactivation operation can make receiver 200 enter active state 232 (transition 245).
If recently receiving any connection grouping during the connection status, and this receiver do not have distributed time slot before during this connection status, and then deactivation operation can make this receiver 200 enter passive state 231 (transition 248).
In active state 232, the main task of receiver of remote-control sytem is the packet that receives " control grouping " type, and its content is converted to control data, offers control device 201.
The packet that is received is handled through microcontroller, extracts the packet of the symbol of time slot mark wherein and " current time slots " of being distributed number coupling.The control grouping is identified by predetermined binary packet type identifier (as 011), after introducing timeslot number.The data division of this grouping comprises the specific control information that will be explained by microcontroller 210, and microcontroller generates the corresponding control signal that offers control member 201,202, controls motor, speed thus, turns to, sound, light etc.
If the packet that receives is control grouping, then this timeslot number is used as remote control 100 and links with effective sign between the receiver 200.If the packet that receives is an address packets, the coupling between the address then becomes most important.As long as this causes address and the distribution matching addresses of receiver in the address packets, and then the timeslot number that divides into groups of this address is assigned with the current distribution timeslot number as receiver.
Again activate when connecting switch 217, receiver of remote-control sytem enters connection status 233 (transition 244) once more.This makes can carry out new address assignment.
When receiver of remote-control sytem 200 shutdown (transition 248), it turns back to free time or off-mode 230.Although not expression among Fig. 7, no matter when remote control shuts down, and it can return idle condition 230 by arbitrary state from state 231,232,233.
Of course it is to be understood that to the invention is not restricted to specific detail described herein, they only provide as example.Therefore, those skilled in the art obviously knows within the scope of the invention various modifications and replacement scheme to be arranged.
For example, though the frame period should have the fixedly duration, the actual duration can be different because of concrete application.Though the timeslot number in the frame should be fixing quantity, actual quantity equally can be different because of practical application.
Certainly, the information actual coding in each time slot also can many different modes be finished.For example, billboard information and address information can split, partly send one by one in successive frames with control information, but not grouping of every type of information dedicated.
Physical communication has been described specially with reference to radio communication.But to one skilled in the art, obvious disclosed inventive concept also can be used for light (particularly infrared ray) communication or sound (particularly ultrasonic wave) communication.In this case, transmitter and acceptor circuit should be substituted by required equivalent physics communication unit certainly.The present invention in addition adopt cable define communication application, to use and control as instrument also be useful in the network.
The serial input/output circuitry of being appointed as UART 211 can be substituted by the another kind of data encoding/decoding device that is suitable for selected modulation type and used physical communication media.
Remote control and receiver of remote-control sytem can circuit board on the form design microcontroller and the peripheral circuit thereof of discrete component.Equally, notion of the present invention can utilize other type circuit, realize as PLD (PLD) or special IC (ASIC).
Output-controlling device 201 is expressed as the digital drive circuit as an example.Certainly scheme as an alternative, form that can analog circuit realizes that it is connected in the microcontroller 210 that is included in receiver of remote-control sytem 200 or the output of the D/A converter that is attached thereto in this case.The quantity of this type of device can change according to the requirement of using certainly.
The type of input block 101,102,103 and the quantity of input block also are only with the formal description of example certainly.Therefore, they can constitute with any suitable numeral or analog input unit set, decide on practical application.Input block should not only be interpreted as manually operated input unit.They can also be made of the unit of indirect operation, provide operation signal as digital interface circuit from external device (ED) (as personal computer).
Shown embodiment discloses two combination operation devices 117,118, and they provide respectively and connect signal and select signal.The quantity that should be appreciated that this type of included in remote control operating means can be one, two, three or more.For example, each operating means is expressed as and comprises two switches that separate, as press button; A connection switch and corresponding selector switch.Those skilled in the art will appreciate that scheme as an alternative, each operating means can include only a press button, and each device should provide the connection signal still to select signal when the state of shared selector switch was determined pushbutton switch.
Application of the present invention waits with reference to toy, model car and describes.The example of this toy or model car is can remotely-controlled toy car, racing car, offroad vehicle, truck, tractor, excavator, train, ship, aircraft, helicopter, toy animals, object for appreciation even summation toy robot.Except that this type of movable object, the present invention also can be used for the device of fixing operation, as the room of crane, movable bridge, electrical arrangement, elevator etc.Though resulting simple, user friendly and healthy and strong operation makes this type toy and model become main application fields of the present invention, the present invention can also be used for other purpose, comprises the control real machine, as crane, garage the door etc.Other uses the underwater acoustic remote control that also comprises between the computer installation, such as controlling personal computer or game console by radio input device (for example keyboard, mouse, roller ball or joystick).The present invention also can be used for providing instrument use or automated system, as the communication in the room automated system.
Claims (24)
1. the remote control (100) that in the communication coverage area (300) that a plurality of remote controls (100) and receiver of remote-control sytem (200) can be worked simultaneously, uses, be used for the receiver of remote-control sytem (200) of Long-distance Control in the described area of coverage (300) work, described device (100) comprising:
Be used to provide the input block (101,102,103,121,122,123,124) of electronic control signal,
Transmitter (104),
Treating apparatus (110), it is used for through being provided with
Receive described control signal from described input block,
Code signal is offered described transmitter (104), described signal adopts and repeats coded, wherein each frame (400) comprises many packets (404) that are included in separately in the time slot (402) in succession, each packet (404) comprises time slot mark symbol (410), is used for the time slot that sign wherein comprises described packet (404).
2. remote control as claimed in claim 1 (100) is characterized in that also comprising memory (125), and described memory (125) comprises address register, wherein contains the current address of distributing to described device (100).
3. remote control as claimed in claim 2 (100) is characterized in that described memory (125) also comprises the timeslot number register, wherein contains the current timeslot number of distributing to described device (100).
4. remote control as claimed in claim 3 (100) is characterized in that also comprising the receiver (105) that is connected with described treating apparatus (110).
5. remote control as claimed in claim 4 (100) is characterized in that described treating apparatus is set to obtain the time slot mark symbol from the packet that described receiver (105) receives.
6. remote control as claimed in claim 5 (100) it is characterized in that also comprising the timing means (113) that is connected with described treating apparatus (110), thereby described treating apparatus (110) is set to control the timing of the code signal that offers described transmitter.
7. remote control as claimed in claim 6 (100) is characterized in that adjusting time of advent that described treating apparatus (100) is set to the time slot mark symbol that comprises in time of advent of the packet that receives according to described receiver (105) or this grouping described timing means.
8. as one of them described remote control (100) of claim 5-7, it is characterized in that described treating apparatus (110) is set to other remote control receiving slot identifier (410) from the described area of coverage (300) and upgrades the billboard register, whether this register indicates the remote control relevant with each timeslot number has activity in the period of nearest process.
9. remote control as claimed in claim 8 (100) is characterized in that described treating apparatus (110) is set to provide the billboard grouping to described transmitter at interval on schedule, and described billboard grouping comprises the data from described billboard register.
10. remote control as claimed in claim 8 (100), it is characterized in that described treating apparatus (110) is set to carry out initialization procedure (131), wherein from described billboard register or from the grouping of the billboard that receives or from the two, draw idle timeslot number, and distribute this timeslot number, to be used for the subsequent operation of described remote control (100).
11. as one of them described remote control (100) of claim 5-10, it is characterized in that described treating apparatus (110) is set to provide packet to described transmitter (104), described packet comprises time slot mark symbol (410), packet type identification (411) and the data field (412) that comprises control data.
12. as one of them described remote control (100) of claim 5-11, it is characterized in that also comprising at least one first activation unit (121,123), wherein said treating apparatus (110) is set to when described first module activates (144),
Produce pseudo random address,
Described address is stored in the address register relevant with the described first activation unit (121), and
Send one or more packets, but comprise the complete described address or the identification division of described address in each packet.
13. remote control as claimed in claim 12 (100), it is characterized in that also comprising at least one second activation unit (122,124), each activates unit and is associated with the corresponding first activation unit (121,123), wherein said treating apparatus (110) is set to when described second unit activating, will be sent to described first content that activates the relevant address register in unit to comprise the current address register of distributing to the address of described device (100).
14. as one of them described remote control (100) of claim 5-13, it is characterized in that described treating apparatus (110) is set to regularly send one or more packets, described packet comprises the current address of distributing to described device (100), but comprises complete described address or comprise the identification division of described address in each packet in each packet.
15. receiver of remote-control sytem (200) is used for receiving from the signal of remote control (100) and with its decoding, is used for the zone (300) that a plurality of remote controls (100) and receiver of remote-control sytem (200) can be worked simultaneously, it comprises:
Receiver (205),
Treating apparatus (210), it is used for through being provided with
Import received signal (215) that described receiver (205) provides and to its decoding, described signal is decoded from the repeating frame form, wherein each frame (400) comprises many packets (404) that are included in the time slot (402) in succession, each packet (404) comprises time slot mark symbol (410), is used for the time slot that sign comprises described packet (404).
16. receiver of remote-control sytem as claimed in claim 15 (200) is characterized in that also comprising memory (225), described memory comprises address register, wherein contains the current address of distributing to described receiver (200).
17. receiver of remote-control sytem as claimed in claim 16 (200) is characterized in that described memory also comprises the timeslot number register, wherein contains the current timeslot number of distributing to described receiver (200).
18. receiver of remote-control sytem as claimed in claim 17 (200) is characterized in that described treating apparatus is set to obtain the time slot mark symbol from the packet that receives.
19. receiver of remote-control sytem as claimed in claim 18 (200), it is characterized in that but described treating apparatus is set to detect the address information whether packet that contains the particular time-slot identifier also comprises full address form or address identification division form, and from described grouping, obtain address information according to this detection, if but described grouping only comprises the identification division of address, then will make up, so that form the full address that belongs to described particular time-slot from the address part that many these type of groupings are obtained.
20. receiver of remote-control sytem as claimed in claim 19 (200), it is characterized in that described treating apparatus is set to the address that will obtain from described grouping and the content of described address register compares, if coupling then is stored in the time slot mark symbol that comprises in the described grouping in the described time slot register.
21. as one of them described receiver of remote-control sytem (200) of claim 17-20, it is characterized in that described treating apparatus (210) is set to the address that will obtain and compares with the address that is stored in the described address register the given time slot of described time slot register from the one or more packets that receive, if do not match between the described address, then keeping described receiver is passive state, and wherein said treating apparatus is set to ignore any control data that receives in the packet.
22. receiver of remote-control sytem as claimed in claim 21 (200), it is characterized in that it is active state that described treating apparatus (210) is set to keep described receiver under the situation of mating between the described address, wherein said treating apparatus is set to produce control signal according to the control data that receives in the packet.
23. as one of them described receiver of remote-control sytem (200) of claim 15-22, it is characterized in that also comprising connecting and activate unit (217) that wherein said treating apparatus (210) is set to
When activating described unit (217), from one or more packets that receive, draw the address, and store the distribution address of this address as described receiver (200).
24. remote control system (100,200) comprises that at least one is as one of them described remote control (100) of claim 1-14 with at least one is as one of them described receiver of remote-control sytem (200) of claim 15-23.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20011604A NO318739B1 (en) | 2001-03-29 | 2001-03-29 | Remote control device and remote control system for toys or model driving toys |
| NO20011604 | 2001-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1612768A true CN1612768A (en) | 2005-05-04 |
| CN1318112C CN1318112C (en) | 2007-05-30 |
Family
ID=19912318
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02810515XA Expired - Fee Related CN1318112C (en) | 2001-03-29 | 2002-03-25 | Remote control system |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20040147202A1 (en) |
| EP (2) | EP1385589B1 (en) |
| JP (1) | JP2004524918A (en) |
| CN (1) | CN1318112C (en) |
| AT (2) | ATE332732T1 (en) |
| DE (2) | DE60202280T2 (en) |
| ES (2) | ES2268004T3 (en) |
| HK (2) | HK1062900A1 (en) |
| NO (1) | NO318739B1 (en) |
| WO (2) | WO2002078812A1 (en) |
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| CN102035621A (en) * | 2009-09-24 | 2011-04-27 | 东芝电梯株式会社 | Transmission system and method for elevator system |
| CN102264007A (en) * | 2010-05-24 | 2011-11-30 | Smk株式会社 | Radio communication module, remote controller, and radio system |
| CN106406328A (en) * | 2016-11-05 | 2017-02-15 | 杭州畅动智能科技有限公司 | Motion control method based on robot development platform |
| CN106685666A (en) * | 2017-02-04 | 2017-05-17 | 联想(北京)有限公司 | Robot communication method and robot |
| CN107370516A (en) * | 2017-06-01 | 2017-11-21 | 广东高标电子科技有限公司 | Method, terminal device and the computer-readable recording medium of wireless telecommunications |
| CN110063038A (en) * | 2016-12-15 | 2019-07-26 | 高通股份有限公司 | System and method for self-contained sub-slots boundling |
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- 2002-03-25 ES ES02717215T patent/ES2268004T3/en not_active Expired - Lifetime
- 2002-03-25 EP EP02717215A patent/EP1385589B1/en not_active Expired - Lifetime
- 2002-03-25 AT AT02717215T patent/ATE332732T1/en not_active IP Right Cessation
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102035621A (en) * | 2009-09-24 | 2011-04-27 | 东芝电梯株式会社 | Transmission system and method for elevator system |
| CN102035621B (en) * | 2009-09-24 | 2015-01-28 | 东芝电梯株式会社 | Transmission system and method for elevator system |
| CN102264007A (en) * | 2010-05-24 | 2011-11-30 | Smk株式会社 | Radio communication module, remote controller, and radio system |
| CN102264007B (en) * | 2010-05-24 | 2015-04-15 | Smk株式会社 | Radio communication module, remote controller, and radio system |
| CN106406328A (en) * | 2016-11-05 | 2017-02-15 | 杭州畅动智能科技有限公司 | Motion control method based on robot development platform |
| CN106406328B (en) * | 2016-11-05 | 2020-04-03 | 杭州畅动智能科技有限公司 | Motion control method based on robot development platform |
| CN110063038A (en) * | 2016-12-15 | 2019-07-26 | 高通股份有限公司 | System and method for self-contained sub-slots boundling |
| CN110063038B (en) * | 2016-12-15 | 2021-10-08 | 高通股份有限公司 | System and method for self-contained sub-slot bundling |
| US11381367B2 (en) | 2016-12-15 | 2022-07-05 | Qualcomm Incorporated | System and method for self-contained subslot bundling |
| CN106685666A (en) * | 2017-02-04 | 2017-05-17 | 联想(北京)有限公司 | Robot communication method and robot |
| CN106685666B (en) * | 2017-02-04 | 2020-06-23 | 联想(北京)有限公司 | Robot communication method and robot |
| CN107370516A (en) * | 2017-06-01 | 2017-11-21 | 广东高标电子科技有限公司 | Method, terminal device and the computer-readable recording medium of wireless telecommunications |
Also Published As
| Publication number | Publication date |
|---|---|
| NO318739B1 (en) | 2005-05-02 |
| JP2004524918A (en) | 2004-08-19 |
| ES2268004T3 (en) | 2007-03-16 |
| HK1062899A1 (en) | 2004-12-03 |
| ATE332732T1 (en) | 2006-08-15 |
| ATE284746T1 (en) | 2005-01-15 |
| CN1318112C (en) | 2007-05-30 |
| DE60213081D1 (en) | 2006-08-24 |
| NO20011604D0 (en) | 2001-03-29 |
| EP1385588A1 (en) | 2004-02-04 |
| WO2002078812A1 (en) | 2002-10-10 |
| EP1385589A1 (en) | 2004-02-04 |
| EP1385589B1 (en) | 2006-07-12 |
| US20040147202A1 (en) | 2004-07-29 |
| DE60202280T2 (en) | 2005-12-08 |
| NO20011604L (en) | 2002-09-30 |
| WO2002078811A1 (en) | 2002-10-10 |
| DE60202280D1 (en) | 2005-01-20 |
| HK1062900A1 (en) | 2004-12-03 |
| EP1385588B1 (en) | 2004-12-15 |
| DE60213081T2 (en) | 2007-03-01 |
| ES2235022T3 (en) | 2005-07-01 |
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