CN2338925Y

CN2338925Y - Programme presetting type remote controller for TV

Info

Publication number: CN2338925Y
Application number: CN 98204473
Authority: CN
Inventors: 赵灵太
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-05-07
Filing date: 1998-05-07
Publication date: 1999-09-15
Anticipated expiration: 2008-05-07

Abstract

The utility model relates to a remote controller with a program presetting function for televisions. The remote controller with a program presetting function for televisions comprises a microprocessor, an infrared transmitting circuit connected with the microprocessor, a keyboard group matrix circuit, an infrared receiving head used for learning, a liquid crystal display which can display at least seven bits of number, a power detecting circuit and a buzz clewing circuit. Through the infrared receiving head and learning modules being arranged, the remote controller can be used for all types of televisions. Being provided with editing modules, the liquid crystal display, etc., the remote controller can preset the time and channels of choiceness programs in one week through the keyboard group. At the appointed time, programs are controlled to play on time automatically according to the time sequence preset by users.

Description

Program presetting system TV remote controller

The utility model relates to a kind of TV remote controller, relates to a kind of television set Infrared remote controller of learning and can presetting as program or rather.

The Infrared remote controller of existing TV remote controller, particularly color television set.The key groups that mainly includes infrared transmitter, microprocessor CPU and form by function key and numerical key, infrared transmitter is launched a string infrared encoded signal corresponding with button behind the button under the control of CPU, and the order television set is made corresponding operating.Because the model difference of television set, it is different representing the coding of the infrared command signal of same operation, so the Infrared remote controller of television set can not be general, is that a kind of television set of model is equipped with its special-purpose remote controller basically.

On the other hand; the TV remote controller of existing various models does not have the program preparatory function; people regular meeting has delayed own rating of liking program because of a variety of causes; some excellent serials and the on-the-spot circumstance program of relaying particularly; although can on the program newspaper, line in advance perform selection; but forgetting that watching or incuring loss through delay the thing of watching still is often to take place, influence quality of life, very is blemish in an otherwise perfect thing.

The purpose of this utility model is a kind of program presetting system TV remote controller of design, has learning functionality, thereby can be common to the television set of various models; Can carry out reference record in each the listing input remote controller with the pre-rating in the selected week, then control television for play automatically.

The purpose of this utility model is to realize like this, program presetting system TV remote controller, comprise microprocessor, the infrared transmitter circuit that is connected with microprocessor and keyboard group matrix circuit, it is characterized in that: also include infrared receiving terminal that is used to learn and the LCD that supplies to show seven bit digital at least, be connected with described microprocessor respectively.

Described infrared transmitter circuit comprises modulator, the transistor driver circuit that is connected with the modulator output that is connected and composed by oscillator and is connected infrared light-emitting diode in the transistor driver circuit.

Also include the power sense circuit that the bleeder circuit by supply voltage connects and composes, be connected with described processor.

Described infrared receiving terminal connects transistor by infrared reception integrated chip and constitutes, and the output of transistor input and infrared reception integrated chip connects described microprocessor respectively.

Described display is 6 LCD with 4 public ends, seven bit digital that show comprise the time and the channel data of playing programs, comprise 1 what day numeral, hour numeral of 2 program start time, minute numeral of 2 program start time and channel digit at 2 program places.

To utilize first wife's Infrared remote controller of television set to aim at the infrared receiving terminal of the utility model remote controller when using this program presetting system TV remote controller for the first time earlier with regard to the emission one by one of every function do, learning process by the microprocessor learning program makes this remote controller grasp the also do compression of its all command code, coding, record, store, and just can arbitrarily use this program presetting system TV remote controller then.Utilize the time and the channel number of selected program in the following week of key groups input, remote controller will be turned on the television set of holding state on time and be chosen on the channel that presets when the time comes, or stops in progress program and be transformed into automatically on the program channel that presets.The repertoire that the distant pocket of this program presetting system TV has general TV remote controller, by infrared receiving circuit, display being set and learning program being set and edit routine, remote controller is also had preset program and the automatic function of controlling television for play, and it is easy to use, and can be common to the television set of various models, the worry of make the user not have to leak to see, mistake being seen TV programme.

Further specify technology of the present utility model below in conjunction with embodiment and accompanying drawing

Fig. 1 is the distant pocket theory diagram of program presetting system TV

Fig. 2 is the enforcement circuit diagram of program presetting system TV remote controller shown in Figure 1

Fig. 3 is the main program flow chart of program presetting system TV remote controller

Fig. 4 is a program presetting system TV remote controller learning program flow chart

Fig. 5 is a program presetting system TV remote controller edit routine flow chart

Referring to Fig. 1, program presetting system TV remote controller mainly includes microprocessor (CPU) 11 and the random asccess memory 12 that is attached thereto, infrared receiving terminal 13, infrared transtation mission circuit 14, keyboard group matrix circuit 15, power sense circuit 16 and LCD 17.Infrared transtation mission circuit 14 wherein comprises infrared carrier wave generation circuit 141 and emitting head 142.Memory 12 is connected with microprocessor 11 by data wire, address wire and control signal wire, infrared receiving terminal 13 receives incoming line by control signal wire and signal and is connected with microprocessor 11, infrared transtation mission circuit 14 is connected with the signal transmitting terminal of microprocessor 11, keyboard group matrix circuit 15 is connected with microprocessor 11 by line scanning output line and column scan incoming line, power sense circuit 16 is connected with the low-voltage alarm input of microprocessor 11, and LCD 17 is connected with microprocessor 11 by segment signal output line and global semaphore line.

During study, infrared receiving circuit 13 exports the infrared signal that receives to microprocessor 11 after amplifying shaping, the width and the time of the various signal pulses that microprocessor 11 will receive are noted, and compressed code storage is finished learning tasks in random asccess memory 12.Do that normal remote control is used and during the button emission, microprocessor 11 takes out the sign indicating number type of being stored from the corresponding address of memory 12 when program presetting system TV remote controller, the level of controlling its output port just, thereby the restoring signal pulse.By emitting head (light-emitting diode) 142 emissions, the control television set is made corresponding operating after infrared carrier wave generation circuit 141 modulation in the output pulse.

When program presetting system TV remote controller presets the program input, the user is input to remote controller inside by the keyboard group with information such as time, channels, microprocessor receives the laggard line data of signal and handles, and by input/output interface data-signal is dumped in the external memory RAM then through addressing, ordering.

Under emission state, microprocessor constantly with the remote controller internal clocking with preset the time data of memory in RAM and make comparisons, judge whether both identical.When the time is identical, microprocessor control is taken out the channel data signal of storage and is delivered to the signal transmitting terminal from RAM, to emitting head 142 emissions, the control television set is adjusted on the channel that presets, and reaches the purpose that presets the TV programme sequencing control through infrared carrier wave generation circuit 141.

This remote controller embodiment finishes data processing function with assembly language program(me), mainly comprises processes such as the obtaining of data, compressed encoding and the identification of sign indicating number type, storage memory, signal recovery, system management.

When presetting program, its input signal is by the time compound mode combination on Monday to Sunday, and combined command is made up of seven bit digital, promptly what day is imported for the 1st, the the 2nd to 5 order imported hour, minute (each 2) of broadcast program, the channel number of the 6th to 7 input broadcast program.For example the user will see the program of Wednesday, 18: 35,21 channels, and the numeral of input is 3183521 when then presetting.This remote controller embodiment roughly can preset interior 20 listings of a week, can satisfy general user's use needs fully.

The set LCD of this remote controller can be used for showing functional statuses such as the memory of presetting program, storage, inquiry, deletion.

Referring to Fig. 2, microprocessor IC1 adopts monolithic 4 bit CPU integrated chip kS56C820, in the 8k program ROM is arranged, 512 * 4bitRAM internal memory, and can drive 32 sections LCD LCD, two external interrupt, three timers, 40 I/O mouths, master oscillator frequenc is 5.00MHZ.Its P00-P73, B0-B7 are input and output I/O mouth, carry out the exchanges data between CPU and external devices and transmit the control signal of CPU to external devices.S0-823 is a LCD segment signal output, and COM0-COM3 is the common signal output of LCD.

LCD LCD IC2, IC8 adopt four public ends, six LCD 6N271 MU F, are connected with chip microprocessor IC1 by segment signal output line S0-S23 and global semaphore line COM0-COM3, at ordinary times read clock.External random access memory IC3 adopts 6264 integrated chips, is connected with microprocessor IC1 by data wire P40-P53, address wire P60-P73, B0-B3, RAM control signal wire P31-P33, is used to store the listing that presets and reaches data such as a relevant sign indicating number type, code length.Infrared receiving terminal is connected and composed by integrated infrared receiving chip IC4 (HS0039) and transistor T7, be connected with microprocessor IC1 by control signal wire P02 and infrared reception incoming line P11, the infrared signal that receives is amplified, exported CPU to after the shaping, by the width and the time of CPU tracer signal pulse, be stored in the RAM memory behind the compressed again coding.When button is launched, by CPU the sign indicating number type of being stored is taken out from RAM, control the high-low level of its output port, the restoring signal pulse.Infrared carrier wave generation circuit by the time substrate 555 and outer member thereof connect into oscillator and constitute, be connected with microprocessor IC1 by signal transmitting terminal B7, the signal pulse that microprocessor IC1 output port recovers is modulated, after triode T8 drives, launched by LED 1.Transistor T1 and buzzer B1 connect and compose acoustics circuit, are used for the sound equipment prompting.Transistor T2, T3, T4, T6 and peripheral cell thereof connect and compose the bleeder circuit of Vcc, are used for power supply and detect, and P00 is connected with emblem processor IC1 by low-voltage alarm input.5 * 8 key groups matrix circuits are connected with microprocessor IC1 by line scanning output line P20-P31, column scan incoming line P60-P73, on pressing lower keyboard when different function, numerical key, its scanning end inputs to CPU with different level, carry out data processing by CPU by the assembler language hypervisor, be transferred in the different functional modules functions such as the study of realization remote controller, programming, emission again by internal interface.IC9 is pull-up resistor row among the figure, and model is RMLS 8473L.

Referring to Fig. 3, the main program flow of this remote controller is shown.Step 301 enters main program; Step 302 is finished initialization data; Step 303 enters the low-power consumption operating state; Step 304 microprocessor carries out power supply and detects; Whether the supply voltage that step 305 judge to detect is lower than 4.5V, then changes step 307 and carries out the low-voltage alarm if be lower than 4.5V; If be higher than then execution in step 306 of 4.5V, call the keyboard scan module; Step 308 has judged whether that key presses, if there is not push button signalling then to return execution in step 303, if key is arranged by next execution in step 309; Step 309 judges that then continuing execution in step 310 when button is status key adds 1 with state value, if in step 309, the button of judging is not that status key is then changeed step 311 and further judged whether it is common key, if neither common key then return step 303, if common key execution in step 312 then; Step 312, the state that calls is divided module; Step 310 and step 312 back be execution in step 313 all, calls LCD MODULE and shows related content and return step 303.

Referring to Fig. 4, be this program presetting system TV remote controller study module flow process, study module is set can makes this remote controller have the repertoire of common TV remote controller, be common to the television set of all models.This program control CPU gets off the timely interocclusal record of width of the infrared signal pulse of reception, handles in the back unloading random access memory ram externally through compressed encoding.

Step 401 is keyed in the learning functionality key; Step 402 calculated address promptly calculates the storage address corresponding with wanting learning key; Step 403 reads Information sign; Step 404 judges whether the storage data field is effective, promptly judges whether to learn, if the invalid execution in step 409 that then transfers in storage data field is defined as error message, if execution in step 405 is effectively then continued in the storage data field, puts the information (harbour information) of study beginning; The received signal arrival is waited for and judged whether to step 406; Step 407 judges when having signal to arrive then further judge whether it is the signal original position, then changes step 409 when not being the signal original position, is defined as error message, then changes step 408 when being the signal original position, the beginning received signal; Step 410, for guaranteeing to receive correctly, study module embodiment determines to receive 200, step 410 mouthful judges whether signal receives 200, enough then in step 411, further do not judge to receive whether surpass 2 seconds 200 the time, does not carry out continuously, if signal is received 200 or receive and all transferred execution in step 412 above 2 seconds to if surpass 2 seconds and then return step 410,411, the data that stop 413 pairs of receptions of receiving step are handled, and grasp sign indicating number type rule etc.; Step 414 judges whether study is correct, if the incorrect failure information that then provides in step 416 if study correctly then continues execution in step 415, carries out storage; Step 417 provides successful information; Step 418 is returned.

Referring to Fig. 5, be the editor module flow chart of program presetting system TV remote controller.The user is input to remote controller inside by keyboard with information such as time, channels, and advanced line data was handled after CPU received push button signalling, through after addressing, the ordering time, channel data signal being stored in the external memory storage by input/output end port.Under emission state, CPU judges that constantly the remote controller internal clocking whether with to preset the time data of memory in RAM identical, when identical, then take out channel data feed signals transmitting terminal and sent by infrared transtation mission circuit in the corresponding record from RAM.

Step 501, button enters editing mode; Step 502, calculated address; Step 503, whether the judgment data memory block is effective, if invalid then entering returned step 510; Step 504, judge whether it is the edit session district, if the edit session district then in step 505 with timetable write time memory block, if not the edit session district then further judges whether it is editor's channel zone in step 506, if editor's channel zone then number writes editing key the editor memory block in step 507, if not editor's channel zone judges in step 508 then whether listing is effective, if the operation of the listing of effectively then in step 509, noting down, if invalid then entering returned step 510.Present embodiment can once deposit 20 listings in for the user.

Distant pocket of the present utility model also can carry out pre-selection of programs, record in the week by learning functionality being set and program presets editting function except the function that possesses general TV control device, remote controller will be controlled television set on time according to the instruction that sets and relay.Can show also by display is set that its functional status, program preset, inquire about, deletion situation etc., be very easy to the user.

Program presetting system TV remote controller of the present utility model also can be made into the television set that only is exclusively used in a certain model and dispose with television set when implementing, the remote controller of this moment then needn't be provided with learning functionality, as long as the pre-interposed structure of program is set in former TV remote controller, display and editor module etc. promptly are set, infrared receiving circuit and corresponding study module can be set, and it is a kind of special case that adopts the utility model technology that this kind application mode also should be considered as.

Claims

1. program presetting system TV remote controller, comprise microprocessor, the infrared transmitter circuit that is connected with microprocessor and keyboard group matrix circuit, it is characterized in that: also include infrared receiving terminal that is used to learn and the LCD that supplies to show seven bit digital at least, be connected with described microprocessor respectively.

2. program presetting system TV remote controller according to claim 1 is characterized in that: described infrared transmitter circuit comprises modulator, the transistor driver circuit that is connected with the modulator output that is connected and composed by oscillator and is connected infrared light-emitting diode in the transistor driver circuit.

3. program presetting system TV remote controller according to claim 1 is characterized in that: also include the power sense circuit that the bleeder circuit by supply voltage connects and composes, be connected with described microprocessor.

4. program presetting system TV remote controller according to claim 1, it is characterized in that: described infrared receiving terminal connects transistor by infrared reception integrated chip and constitutes, and the output of transistor input and infrared reception integrated chip connects described microprocessor respectively.

5. program presetting system TV remote controller according to claim 1, it is characterized in that: described display is 6 LCD with 4 public ends, seven bit digital that show comprise the time and the channel data of playing programs, comprise 1 what day numeral, hour numeral of 2 program start time, minute numeral of 2 program start time and channel digit at 2 program places.