CN1050948C

CN1050948C - Combined communication method and apparatus

Info

Publication number: CN1050948C
Application number: CN95107453A
Authority: CN
Inventors: 俞强
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-07-11
Filing date: 1995-07-11
Publication date: 2000-03-29
Anticipated expiration: 2015-07-11
Also published as: CN1140364A

Abstract

The present invention relates to a combined communication method and device, which is characterized in that wireless data signals are received by an FM/RF receiver, processed by a CPU and displayed for a user; the user converts the mode of data to be transmitted into a two-tone mode or a pulse mode, and the data is directionally sent out through a user telephone wire. The device comprises an FM/RF receiving part, two CPU parts, a display part and a user telephone wire. The present invention is suitable for the information interaction of market conditions or finance conditions, and automatic transaction can be realized by the present invention; the present invention has the advantages of low cost for establishing a network, easy use, timely information transfer, good reliability, etc.

Description

A kind of method of combined communication and device

The present invention relates to the telecommunication path field, particularly relate to the communication means and the device of wireless receiving and phone data transmission combination.

In radio communication, as reaching the information interaction purpose, receiver and sender must be arranged, as everyone knows, because radio network construction is got up very complicated, also waste frequency resource, and the service fee height of cost and network, reliability and interference free performance are all undesirable, so also be not easy to popularize.The telephone communication mode is the transmission mode likelihood signal, handles as carrying out data-signal, also will add modulator-demodulator, calculator, terminal equipment, the webserver etc., has increased cost so virtually, equally also is not easy to promote the use of.

The object of the present invention is to provide a kind ofly to receive data, send the information interacting method and the device of low, the practical and dependable performance of the cost of data with liaison mode with wireless mode.

Method of the present invention is: utilize FM or RF receiving equipment to receive wireless FM or RF data-signal, and with its input central processing unit CUP ₂, carry out shaping, decoding, and judge address code and password.Above-mentioned correct judgment begins it is formatd conversion, and will be input to another central processor CPU by the data that the format of PC standard RS232 serial data transforms ₁

CPU ₁Data to above-mentioned input are decoded, and classify, and according to the data module that configures in advance, deposit respectively.Meanwhile, CPU ₁Send the instruction of opening the display part, and directly handle above-mentioned data message, by rf modulations part or directly be sent to television set or monitor, show by the PPU image processor.CPU ₁Data necessary is stored, and be put in the storage part.At this moment, CPU ₁To having or not keyboard operation to judge, if any keyboard operation, and when in menu, selecting the data sending function, CPU ₁The setting data that is about to begin sends flag bit, and to CPU ₂Send the instruction that data send, then CPU ₁Be in the wait acknowledge state, otherwise get back to the data wait state.CPU ₂After receiving above-mentioned transmission instruction, begin to stop receiving information signal, change the data transmit status over to, send the signal that starts to work to the telephone dialing circuit, unoccupied as telephone wire, CPU ₂To CPU ₁Send answer signal.As telephone wire when occupied, CPU ₂Can send initiating signal to warning circuit, report to the police, treat that circuit is released after, the telephone dialing circuit is given CPU ₂A high level signal, CPU ₂After receiving this signal, can be to CPU ₁Send answer signal, CPU ₁The data that will send the user are passed to CPU immediately ₂, CPU ₂It is encoded, pass to the dialing circuit, with double-tone frequency or pulse mode, above-mentioned user data is sent directionally to certain receiving terminal of telephone switching system by telephone wire, this terminal is after receiving above-mentioned coded message, can return a long or other forms of replying, the telephone dialing circuit receives the answer signal that above-mentioned telephone wire transmits, and can give CPU ₂The sine wave signal of a certain frequency, CPU ₂To CPU ₁Send data and send successful answer signal, control the telephone dialing circuit simultaneously telephone wire is discharged, and close the telephone dialing part.CPU ₁Show to send successfully, and to CPU ₂Send new reception data command, CPU ₂Restart FM or RF receiving unit, reception information.Above-mentioned CPU ₂Decoding and format conversion (RS-232) available software, also available hardware is finished.

A kind of device of combined communication is characterized in that: it is by FM or RF receiving unit (1,2), central processor CPU ₂Partly (2-1), central processor CPU ₁Partly (3-1), display part (3-10) and subscriber's telephone line (4-2) are formed; Central processor CPU ₂Part comprises: can carry out double-tone frequently or the encoder (2-10) of pulse code, drive circuit (2-7), the dialing circuit (2-3), the user line that are connected with subscriber's telephone line (4-2) take warning circuit (2-11) and central processor CPU ₂Described CPU ₂With decoded portion (2-2), drive part (2-8), CPU ₁, encoder (2-10) is connected with RS232 format conversion circuit, A/D conversion (2-4) is to be that people road is connected for showing by led drive circuit and charactron, drive part (2-8) is connected with dialing circuit code device (2-10) respectively, and warning circuit is connected with the dialing circuit; Central processor CPU ₁Partly (3-1) part comprises: a remote keypad (3-3), keyboard control circuit (3-2), ROM (3-4), RAM (3-6), GAL (3-7), direct and CPU, the image processor PPU (3-8) that is connected, radio frequency modulator (3-9), display (3-10) and central processor CPU ₁(3-5) at CPU ₁With CPU ₂Between have and transmit FM or RF wireless data signal line and user's setting data transfer line; Described CPU ₁(3-2) is connected with remote control circuit by keyboard control circuit, CPU ₁Also be connected with GAL (3-7) with ROM (3-4) RAM306; Display device is by RF modulator-demodulator (3-9), PPU (3-8) and CPU ₁Be connected.

The present invention also comprises the self-check of device part of being made up of A/D conversion 2-4, LED driving 2-5 and charactron display part 2-6.At FM or RF receiving unit CPU ₂Between also can establish a decoding circuit, at CPU ₂With CPU ₁Between FM or RF data conveyer line in, can connect a RS232 formating circuit.The PPU of this device also can directly be connected with monitor.The FM of this device or RF wireless receiving part can receive that the dominant frequency of medium wave, shortwave, checking station in broadcasting station or subcarrier frequency, wireless mobile paging system transmit, a kind of signal in teletext signal, self-built amateur band and the application frequency range.

The present invention can be according to the market conditions or the financial market of wireless transmission, and in time the information that needs with the user transmits with telephone network is directed, and whole process is controlled automatically by microprocessor, has following advantage:

1. the cost of networking is very low, and the user is easy to use, and is economical and practical;

The information transmission in time, good reliability, as: the user sees in time that at home own institute holds the stock price and changes, and can complete a business transaction at once, need not fill out single, queuing;

3. applied widely, can be used for the information interaction of market conditions, financial market, realize automated transaction.

The drawing explanation:

Fig. 1 is CPU of the present invention ₁The working procedure block diagram.

Fig. 2 is CPU of the present invention ₂The working procedure block diagram.

Fig. 3 is a schematic block circuit diagram of the present invention.

Technical scheme implementation process of the present invention is as follows: complete machine is in when start, CPU ₁And CPU ₂Separately working procedure of operation respectively, initial situation is an armed state, from the signal of antenna 1-1, through FM or RF receiving unit 1-2, amplifies, shaping work, is conveyed into CPU ₂, carry out the processing of data.By CPU ₂The A/D converter 2-4 that is controlled passes to digital display part 2-6 to received signal strength signal, carries out 4 demonstrations.After FM or RF receiving unit, can establish a decoding circuit, also available software realizes decoding, decoding program melts at CPU ₂In.CPU ₂Send above-mentioned data to CPU ₁, the format conversion of data can be finished by RS232 format conversion circuit 2-9, and also available software is finished.CPU ₁Functional module under the control can be finished the operation of demonstration, main menu, data qualification, storage and keyboard.PPU3-8 is special image processor and CPU ₁Directly connect, all graph text informations are handled and are all finished by PPU, and the keyboard operation part can adopt the infrared remote control mode.Memory ROM, RAM and GAL finish the functions such as storage of data.The user instruction of partly sending when remote keypad is through CPU ₁After the processing, classify, when sending instruction if any data, CPU ₂Starting drive circuit 2-7 and dialing circuit 2-8, dialing circuit 2-8 and substation are in parallel.When subscribers feeder is occupied, CPU ₂Can judge, and send signal, make its warning, be released CPU until subscribers feeder to warning circuit 2-11 ₂The data that need send are passed through encoder 2-10, press double-tone frequency or pulse mode, data are become the signal that is complementary with subscribers feeder, by the outside directive sending of dialing circuit 2-8.Have data to send to instruct send to data obtain answer signal after finishing during, CPU ₂Be the data transmit status.After obtaining the other side's answer signal, CPU ₂Transfer FM or RF signal accepting state again to.But the display TV is monitor also, as adopting TV, then radio frequency modulator 3-9 will be arranged, and signal is modulated into radiofrequency signal, sends into television set.Because partly transmission information of telephone dialing is code means, so also can use unattended operation exchange or phone language mailbox.

Claims

1. the method for a combined communication utilizes FM or RF receiving equipment to receive wireless FM or RF data-signal, it is characterized in that: with FM or RF data-signal input CPU ₂Carry out shaping, decoding, judge whether address code and password be correct, and carry out format conversion, by another CPU by standard RS232 serial data ₁It is decoded, and classification is left in respectively in the data module that configures in advance, and is directly sent all information to special image processor P PU, shows after the processing; CPU ₁To having or not keyboard operation to judge, as keyboard operation, and when in menu, selecting the data sending function, CPU ₁The beginning setting data sends flag bit, and to CPU ₂Send data and send instruction, then be in the wait acknowledge state,, then get back to states such as data as the on-keyboard operation; CPU ₂After receiving above-mentioned transmission instruction, begin to stop receiving information signal, change the data transmit status over to, and send the signal that starts to work to the telephone dialing circuit; If telephone wire is occupied, CPU ₂Can send initiating signal to warning circuit, report to the police, treat that circuit is released after, the telephone dialing circuit is given CPU ₂A high level signal, CPU ₂After receiving this signal, can be to CPU ₁Send answer signal, CPU ₁The data that will send the user are passed to CPU immediately ₂, it is carried out double-tone frequently or the pulse mode coding, by the signal that the telephone dialing circuit will be complementary with subscribers feeder, the input subscriber's telephone line sends directionally to a certain receiving terminal that multipoint teleconference changes system; Receive the other side's answer signal when the telephone dialing circuit after, can give CPU ₂A signal, CPU ₂Control telephone dialing circuit discharges telephone wire, CPU ₂Simultaneously to CPU ₁Send successfully and should manage signal, the display demonstration sends successfully; CPU ₂Restart FM or RF data message receiving unit, reception information.

2. the device of a combined communication is characterized in that: it is by FM or RF receiving unit (1,2), central processor CPU ₂Partly (2-1), central processor CPU ₁Partly (3-1), display part (3-10) and subscriber's telephone line (4-2) are formed; Central processor CPU ₂Part comprises: can carry out double-tone frequently or the encoder (2-10) of pulse code, drive circuit (2-7), the dialing circuit (2-3), the user line that are connected with subscriber's telephone line (4-2) take warning circuit (2-11) and central processor CPU ₂Described CPU ₂With decoded portion (2-2), drive part (2-8), CPU ₁Encoder (2-10) is connected with RS232 format conversion circuit, A/D conversion (2-4) is to be that circuit is connected for showing by led drive circuit and charactron, and drive part (2-8) is connected with dialing circuit code device (2-10) respectively, and warning circuit is connected with the dialing circuit; Central processor CPU ₁Partly (3-1) part comprises: a remote keypad (3-3), keyboard control circuit (3-2), ROM (3-4), RAM (3-6), GAL (3-7), direct and CPU, the image processor PPU (3-8) that is connected, radio frequency modulator (3-9), display (3-10) and central processor CPU ₁(3-5); At CPU ₁With CPU ₂Between have and transmit FM or RF wireless data signal line and user's setting data transfer line; Described CPU ₁(3-2) is connected with remote control circuit by keyboard control circuit, CPU ₁Also be connected with GAL (3-7) with ROM (3-4) RAM306; Display device is by RF modulator-demodulator (3-9), PPU (3-8) and CPU ₁Be connected.

3. the device of a kind of combined communication as claimed in claim 2 is characterized in that: also comprise by A/D conversion (2-4), LED driving the self-check of device part that (2-5) and charactron display part (2-6) forms.

4. the device of a kind of combined communication as claimed in claim 2 is characterized in that: at FM or RF receiving unit and CPU ₂Between be provided with a decoding circuit, at CPU ₂With CPU ₁Between FM or RF data conveyer line in, can connect a RS232 formating circuit.

5. the device of a kind of combined communication as claimed in claim 2 is characterized in that: FM or RF wireless receiving part can receive that the dominant frequency of medium wave, shortwave, checking station in broadcasting station or subcarrier frequency, wireless mobile paging system transmit, a kind of signal in teletext signal, self-built amateur band and the application frequency range.