CN1059996C

CN1059996C - Remote-control multi-transmitting receiving real-time processing system

Info

Publication number: CN1059996C
Application number: CN97108903A
Authority: CN
Inventors: 冼广生
Original assignee: Junsheng Communication Science & Tech Co Ltd Guangzhou
Current assignee: Junsheng Communication Science & Tech Co Ltd Guangzhou
Priority date: 1997-05-01
Filing date: 1997-05-01
Publication date: 2000-12-27
Anticipated expiration: 2017-05-01
Also published as: CN1198614A

Abstract

The present invention relates to a remote control multi-transmitting multi-receiving real-time processing system which is composed of a transmitter F, a receiver J and a computer 1, wherein the transmitter F and the receiver J both adopt infrared remote control transmission, and the transmitter F is composed of 1 to 256 single transmitters. The inner side of each single transmitter is respectively provided with a cipher memory, a cipher decoder circuit is arranged in the receiver J, and simultaneously, the receiver is directly connected to a computer 1 by a general interface; the computer 1 carries out the final information processing display. By adopting the structure of the present invention, the problem of line layout in wire communication can be avoided, and the interference problem between real-time multiple signals can be simultaneously and effectively solved; multiple pieces of information are transmitted and processed simultaneously. The present invention can be widely used in the situations of a teaching, an office, etc.

Description

Remote-control multi-transmitting receiving real-time processing system

A kind of remote-control multi-transmitting receiving real-time processing system carries out pulse code and the multiple improvement of penetrating the reception real-time information processing system of decoding realization thereby relate to infrared ray or radio-frequency technique.

At present in teaching or field such as office carry out the transmission of information and receive all have the computer of employing to deal with device, the transmission of information then leans on special purpose interface and data line to reach with the form of the corresponding reception of reflector, on No. 88104582.9 patents, a kind of system that handles this category information is proposed, owing to will remove to do transmission information thing passage by telephone line (or electric wire), in case the information launch point for a long time, the emission transmission and the feedback line that need just increase, and cause the difficulty of laying and overhauling; In addition, because it is many to send body, at one time, receive-transmit system routinely can only be realized the processing of single transmitting-receiving, is difficult to solve the mutual interference problem of same period institute's photos and sending messages.

Purpose of the present invention is to provide a kind of overcharging to send out real time processing system, and it is too much both can to overcome laying-out, take the deficiency on ground, can synchronously handle pilosity again and penetrate signal, in time handle the analysis and the feedback of multiple spot information, adapt to the transmission and the processing of the information of school instruction and office.

The present invention implements like this, in the remote-control multi-transmitting receiving real-time processing system of forming by reflector, receiver and computer, reflector and receiver all adopt far infrared to do the remote control transmission, wherein, reflector is made up of the single transmit device below 256 more than, in each transmitter circuit, all be equipped with a password memory, in receiver circuit, then be equipped with corresponding cryptogram decoding device circuit, receiver directly is access to computer by general-purpose interface, does final information processing and demonstration by computer.

Below in conjunction with accompanying drawing in detail, structure of the present invention and enforcement are described in detail:

Fig. 1 is the structure chart of multi-transmitting receiving real-time processing system;

Fig. 2 is single reflector fundamental diagram;

Fig. 3 is the receiver operation schematic diagram;

Fig. 4 is the transmitter circuit line map;

Fig. 5 is the acceptor circuit line map;

Fig. 6 is infrared remote receiver testing circuit figure;

Fig. 7 is reflector cryptography output circuit figure.

As shown in Figure 1, remote-control multi-transmitting receiving real-time processing system of the present invention is by reflector F1～F256, receiver J and computer 1 are formed, wherein reflector can be one with the Shan Hong outside line reflector below 256, in each transmitter circuit, all be equipped with a password memory, receiver J then directly is access to computer 1 by communication interface device 2 and forms, in acceptor circuit, then be equipped with corresponding cryptogram decoding device circuit when the same time is sent signal by different reflector F1～F256 respectively, receiver J all accepts, after the microprocessor decoding processing in receiver, full detail in time is sent to computer by interface, with information needed relatively and after handling, shown by the screen feedback, this has just finished a processing procedure of multi-transmitting receiving real-time processing system.

Because the said reflector of the present invention, all adopt infrared ray to make the remote-control transmitting signal, this has just reduced the requirement of laying to transmission line, therefore, must adopt microprocessor to make the encoding process that transmits, as shown in Figure 2, reflector in the said remote-control multi-transmitting receiving real-time processing system of the present invention, handle sheet 3 by a microcontroller and form, wherein, in this reflector F, be equipped with a password memory 4, encoder 5 and infrared transmitter 6 are formed, and in a cover system, each reflector F1～F256 built-in password with a series of but different sign indicating numbers, like this, the different passwords that receiver just can respective transmitter F carry out different decoding processing.

As shown in Figure 3, the said receiver J of the present invention, in order to improve processing speed, to adopt microprocessor chip 7 to form simultaneously, input in these processor chips 7, be connected to infrared receiver tube 8, in chip 7, itself need transducer 9, decoder 10, the memory 11 of infrared ray one number, constantly use dataphone interface 2 simultaneously.Like this, after infrared ray receiving tube 8 is received the signal that reflector F1～F256 sends, pass through the infrared-digital quantizer 9 of microprocessor 7 at once, carry out the number conversion, enter simultaneously and carry out in the decoder 10 classifying receiving various signals by password, be stored in the memory 11, deliver to the processing of carrying out each data in the computer 1 by dataphone interface device 2 then, after the application program of computer is handled, be presented at one by one on the display screen to finish a processing procedure of remote-control multi-transmitting receiving real-time processing system.

Owing to adopt infrared ray to do transmission at a distance, both can save transmission line, save the trouble of laying-out, the interference problem between can avoiding again respectively transmitting.In actual applications, can choose the concrete circuit of reflector, receiver as Fig. 4, Fig. 5.

As shown in Figure 4, the reflector F in the said remote-control multi-transmitting receiving real-time processing system of the present invention can select for use PIC16C54 to make microcontroller chip, also can adopt PIC16C56 to make microcontroller chip.In reflector F, for making things convenient for the user to import oneself answer, selection or requirement at random, also should between RA1～RA2 of PIC16C54, insert the password register of forming by eeprom chip, between RB0～RB7 pin of PIC16C54, insert input keyboard, on RA0, insert the infrared transmitter of forming by IR DIODE pipe and amplifier tube.

As Fig. 5, shown in Figure 6, the said receiver J of the present invention can adopt D87C51 to make microcontroller, adopts the 8255A chip to make the communication interface device.Wherein, 12 pin at microprocessor insert the receiving test circuit that infrared receiving tube PHOTODIODE forms, on 21～34 pin, insert by the storage arithmetic unit, the decoding that the logic chip of 74 series is formed, and, deliver to by 1～4,10～25,37～40 pin of 8255A again and carry out computing and processing in the computer 1 8～9,27～34 pin of the signal incoming communication interface device 8255A on the storage circuit.

In practice, owing to must carry out cryptography to the different reflector F of same system, therefore as shown in Figure 7, must depositing on SDA in yard memory chip, the SCL pin at each reflector F1～F256, insert a cryptography output circuit, the coding output circuit that this is made up of 2 2N3904 triodes.

The said remote-control multi-transmitting receiving real-time processing system of the present invention is to use like this: at first, respectively each reflector F of same system is coupled together by special-purpose communication port J1-1, J1-2, J1-3 and computer 1.Start computer operation password setting software, the password that input sets, computer 1 will transfer back to the cryptography output circuit to password by this communication port, and passes to by private cable on the EEPROM of reflector F, and this cryptography circuit is recorded in password on password register SCL, the SDA.According to said procedure, block-by-block block by block each reflector F1～F256 of a system is write item by item decide password after, each single transmit device has just had different separately identification codes.

When the said remote-control multi-transmitting receiving real-time processing system of the present invention operates, can be in teaching, as when a teaching is used in the class, by the teacher in computer 1, enrolled all need students to test or the exercise question of puing question to after, as long as open screen, complete every classmate of class can hand a remote control transmitter F and answer, in case think that oneself has had the result, as long as press the keyboard on the reflector F, just can convert the password that the answer code that is produced upward itself deposits in together with this reflector F simultaneously to infrared sign indicating number and be transmitted to receiver, at this moment can be a classmate's the signal that sends, also can be the signal that a plurality of classmates send simultaneously, enter simultaneously on the receiver on the teacher dais.When the arithmetic system that has started receiver, not only the answer code that each classmate compiled is carried out transform coding, and can carry out sort operation to the password of each reflector F simultaneously and check, identification and reject useless interference signal after, be converted to number and be transferred on the computer 1 by interface 8255A chip, by computer 1 these signals are analyzed, handled, and feed back on the display through the memory on the receiver J, the answer that shows each classmate is a right or wrong, be earlier or after.

The said remote-control multi-transmitting receiving real-time processing system of the present invention operates on also can be at the restaurant.When go up using at the restaurant, go up code and deposit computer in as long as menu compiled together with price, the toll collection applications program that adds the restaurant just can realize the restaurant computerization of chargeing of ordering dishes.When restaurant service is pressed keyboard on hand-held remote control transmitter F, just can go up table that password (number that is equivalent to waiter) itself that deposit in and guest have a dinner to the cuisine of guest's main points (on menu indicate code) by code together with reflector F number converts infrared sign indicating number simultaneously to and is transmitted to receiver, this moment, comprehensive reception can be realized in the dining room, and can be that a waiter sends signal, for a plurality of guests order dishes; Also can be that to send signal simultaneously be that a plurality of guests order dishes to a plurality of waiters.These cuisine codes can enter receiver simultaneously, receiver will be converted to number to the infrared line code that receives, and move built-in decrypted program, and number is sorted out, be transferred on the computer 1 by the 8255A interface chip then, by computer 1 these signals are analyzed, handled, and result's guest's charge document of having a dinner just, come out with printer prints, give the guest by waiter and settle accounts gathering, the document that can also have a dinner the guest at any time accesses, and shows on display.

Owing to adopted the multiple body receiving real-time processing system of the said remote control of the present invention, both exempted the problem of laying of communication line, solved the interference problem between real-time many signals again, strong interference immunity, reach transmission tasks when realizing a plurality of information, this system can be widely used in the use of systems such as numeral, office.

Claims

1, a kind of remote-control multi-transmitting receiving real-time processing system, form by reflector F, receiver J and computer (1), it is characterized in that reflector F and receiver J all adopt the infra-red remote control transmission, wherein reflector F is made up of the single transmit device below 256 more than, in each single transmit device, all be equipped with a password memory, then be equipped with the cryptogram decoding circuit in the receiver J circuit, directly be access to computer (1) by communication device interface (2) simultaneously, do final information processing by computer (1) and show.

2,, it is characterized in that said reflector F can make microprocessor controller with PIC165C54/56, access pin register between the RA1～RA2 pin of PIC16C54/56 microprocessor according to the said remote-control multi-transmitting receiving real-time processing system of claim 1.

3, according to the said remote-control multi-transmitting receiving real-time processing system of claim 2, it is characterized in that password memory among the said reflector F is to adopt eeprom chip, on the SDA of this chip, SCL pin, insert the coding output circuit of forming by two 2N3904 triodes simultaneously.

4, according to the said remote-control multi-transmitting receiving real-time processing system of claim 2, it is characterized in that inserting input keyboard on the pin between the RB0-RB7 of said PIC16C54/56 controller, on the RA0 pin, insert the infrared transmitter of forming by IR DIODE pipe and amplifier tube.

5, according to the said remote-control multi-transmitting receiving real-time processing system of claim 1, it is characterized in that said receiver J can adopt D87C51 as microprocessor, adopt the 8255A chip to make its communication interface device (2) simultaneously.

6, according to the said remote-control multi-transmitting receiving real-time processing system of claim 5, it is characterized in that inserting on input 12 pin of said D87C51 the receiving test circuit of forming by infrared receiver tube PHOTO D10DE, on 21～39 pin, insert the decoding storage circuit of forming by the logical circuit of 74 series, and on 8～9,27～34 pin with the signal incoming communication interface device 8255A on the storage circuit, deliver to enterprising row operation of computer (1) and processing by 1～4,10～25,37～40 pin of 8255A again.