CN2387588Y

CN2387588Y - TV watching rate investigation device

Info

Publication number: CN2387588Y
Application number: CN 99214190
Authority: CN
Inventors: 张岳
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-06-08
Filing date: 1999-06-08
Publication date: 2000-07-12
Anticipated expiration: 2009-06-08

Abstract

The utility model relates to a TV watching rate investigating device which belongs to the field of an automatic monitoring device and is mainly composed of a computer system of a control end and user end equipment of a user end. At the time of working, through the signal receiving equipment which is arranged at the front end of a TV in a sample family, a receiving user switches a remote control signal of a TV channel, and the signal is decoded and then is recorded. The computer system at the far end can visit the user end equipment in every sample family through a modem, and the watching situation of the sample family is recorded and collected. Through a software, the watching rate situation is analyzed, and by using the device, the watching situation can be accurately obtained to provide accurate data for the statistics of watching rate.

Description

The TV audience rating investigation apparatus

The utility model relates to a kind of TV audience rating investigation apparatus, belongs to the automated watch-keeping facility field.Utilize this device can obtain accurately to sample viewership at family, for the audience ratings of statistics TV programme provides accurate data.

At present, aspect the TV audience rating investigation apparatus, China does not also have like product.External similar products are different with the utility model on the mode of data acquisition, as its viewership by the definite sampling of the mode family of the local oscillation signal of measurement television tuner, the shortcoming of this mode is need turn on the televisor at sampling family when ustomer premises access equipment is installed.Therefore, difficulty is bigger when installation, debugging, and particularly at home, the difficulty that this kind mode is promoted is bigger.

The object of the present invention is to provide a kind of simple in structurely, install, debugging is convenient, the viewership at the family that can quick and precisely obtain to sample also counts the TV audience rating investigation apparatus of the audience ratings of TV programme.

For achieving the above object, the TV audience rating investigation apparatus that the utility model proposes mainly is made up of unify ustomer premises access equipment two parts of user side of the department of computer science of control end.Wherein, the computer system of control end mainly includes inside the computing machine 1 of statistical software and the modulator-demodular unit 3 that links to each other with computing machine 1 is installed, ustomer premises access equipment includes the Single Chip Microcomputer (SCM) system 6 that inside solidification has application program, embedded modem 4, infrared signal reception/radiating circuit 7, and power circuit 8, the input of embedded modem 4 and infrared signal reception/radiating circuit 7, output terminal links to each other with Single Chip Microcomputer (SCM) system 6 respectively, and the computer system of control end is by making the mode of embedded modem 4 and ustomer premises access equipment be connected by communication with 3 groups of modulator-demodular units.

Principle of work of the present utility model is the remote controller signal that is received the sampling family by the infrared signal reception/radiating circuit 7 of ustomer premises access equipment, (different channel order may be set by 6 pairs of signal decodings of Single Chip Microcomputer (SCM) system owing to different TV producers adopts different remote signal coding and different sampling families, so self study that ustomer premises access equipment will be encoded when initialization is installed, decode procedure promptly is reduced to TV channel signal according to the content of self study with remote controller signal), and note this information.Simultaneously, Single Chip Microcomputer (SCM) system 6 is sent the remote controller signal that it receives again by infrared signal reception/radiating circuit 7 to televisor, makes the televisor action, be that televisor has only by ustomer premises access equipment and just can receive remote controller signal, the purpose of doing like this is to guarantee the accuracy of signal record.The computer system of control end can be dialled the embedded modem 4 that is the ustomer premises access equipment in the man of sampling family by modulator-demodular unit 3, gathers the rating record of ustomer premises access equipment, carries out the survey of audience ratings by software.

When in the man of sampling family multiple TV set being arranged, the computer system communication of unification and control end can each ustomer premises access equipment be networked by the mode that in ustomer premises access equipment, adds power line carrier parts 5; Also the ustomer premises access equipment at a plurality of samplings family can be networked by the power line carrier parts.

Experiment showed, to the utlity model has statistics accurately, reliably, ratio of performance to price height is installed advantages such as simple, easy to use.

Below in conjunction with drawings and Examples the utility model is described in further details.

Description of drawings:

Fig. 1: the utility model structured flowchart;

Fig. 2: computing machine software architecture diagram in the utility model;

Fig. 3: circuit theory diagrams of the present utility model;

Fig. 4: the utility model Single Chip Microcomputer (SCM) system program flow diagram.

Embodiment:

, be example now, the principle of work of each ingredient of the utility model be described below with a specific embodiment of the present utility model in conjunction with Fig. 1～Fig. 4:

Among Fig. 1, computing machine 1 can adopt arbitrary 486 above PCs (as the 586PC machine) in the utility model computer system, it links to each other (also can be connected other peripherals) with a printer 2 by printer cable, and is connected with modulator-demodular unit 3 by serial port or parallel bus.Put through ustomer premises access equipment in the man of far-end sampling family by modulator-demodular unit simultaneously as need, gather the rating record, can adopt many serial port connectors, connect a plurality of modulator-demodular units.During work, be installed in the computer software of internal system, put through ustomer premises access equipment in the man of far-end sampling family by modulator-demodular unit 3 by operation, gather the rating record, and by software record data are handled, analyze, draw the statistics of audience rating investigating.Statistics can be passed through screen display or printer output.Computer software can adopt structure shown in Figure 2.Wherein, communication program can adopt following flow process: invoke user database, the telephone number of extraction sampling family i; Dialing; Carrier wave detects, as does not have carrier wave, returns error message; Connect; Receive data; With data input sample user data record; All receive return as whole sampling user data; I=i+1, goto 1.Statistics program can adopt following flow process (by the time; Channel statistics): setting-up time t and channel ch; I=1; J=0; Get i sampling family, sampling user data storehouse rating record; As ta＜t＜tb ANDch==ch0 (record that is complementary is arranged), j=j+1; Statistics is finished, return; I=i+1, goto 2.Following structure can be adopted in sampling user data storehouse: sequence number 2; Name 15; Age 3; Sex 1; Occupation 2; Profile file; Rating record file.

Among Fig. 3, the utility model ustomer premises access equipment is mainly by embedded modem 4, Single Chip Microcomputer (SCM) system 6, and infrared signal reception/radiating circuit 7 and power circuit 8 are formed, and in addition, it also includes power carrier parts 5.Wherein, the function of signal reception/radiating circuit 7 is the infrared signals that receive sampling family telepilot, signal is transferred to Single Chip Microcomputer (SCM) system 6, and the pulse signal of Single Chip Microcomputer (SCM) system 6 is launched through infrared diode.This part infrared signal receiving-member IRDA (can adopt SHARP H1-404 infrared ray receiver module) is exported the signal shaping, the amplification back that receive by 3 pin of IRDA, after resistance R S1 is drop-down, produce the square wave sequence of 2.7v to 4.5v, and by INT0 (the interrupt 0) signal end of its P_OUT port transmission to CPU (U7) in the Single Chip Microcomputer (SCM) system 6, the 2 pin ground connection of IRDA, 1 pin connects+the 5V power supply.Infrared signal emitting diode IRD positive terminal links to each other negative pole end ground connection by INT1 (interruption 1) signal end of CPU (U7) in current-limiting resistance RS2 and the Single Chip Microcomputer (SCM) system 6.

The function of embedded modem 4 be under the control of Single Chip Microcomputer (SCM) system 6 with long-range control end computer system communication, the rating record at transmission sampling family.As a most preferred embodiment, embedded modem can be made of special-purpose modulating/demodulating data pump, AFE (analog front end) device and transformer etc., wherein, the modulating/demodulating data pump can adopt the RC224P of ROCKWELL, and its input end D0-D7 is connected to the data bus D0-D7 of U7 in the Single Chip Microcomputer (SCM) system 6; Address wire A0-A3 receives the 19th, 18,17 and 16 pin of U4 in the Single Chip Microcomputer (SCM) system 6 respectively; Read-write line RD and WR connect the 13rd and 12 pin of U7 in the Single Chip Microcomputer (SCM) system 6 respectively; Chip selection signal CSM receives the 15th pin of U1 in the Single Chip Microcomputer (SCM) system 6; Reset signal REST connects KRST end in the Single Chip Microcomputer (SCM) system 6.The output terminal of modulator-demodular unit connects telephone wire by telephone jack.Single Chip Microcomputer (SCM) system 6 is by the AT instruction (one group of standard instruction set of computer system control modulator-demodular unit) to embedded modem issue of bidding documents standard, operations such as the control modulator-demodular unit carries out off-hook, shakes hands, communication.

The function of power carrier parts 5 is that a plurality of ustomer premises access equipments of realization are networked by power line carrier under the control of Single Chip Microcomputer (SCM) system 6.Single Chip Microcomputer (SCM) system 6 is by P1 mouth and expansion mouthful control power carrier part.As a most preferred embodiment, the power carrier parts can adopt coding/decoding parts of being made up of P200 and the P111 of INTELLON.Wherein, SDI, SDO links to each other with the I/O mouth line of single chip part by cable with SCLK, and Single Chip Microcomputer (SCM) system 6 is by P1 mouth and the expansion mouthful control power carrier part of CPU.The digital signal of being sent by system outputs on the line of electric force after the processing of power carrier parts.Equally, the input signal on the line of electric force is connected to CPU by the power carrier parts.Its concrete annexation as shown in Figure 3, the 1st pin of U7 in the SCLK termination Single Chip Microcomputer (SCM) system 6 of SSC; SDI and SDO receive the 19th and 18 pin of U6 in the Single Chip Microcomputer (SCM) system 6 respectively; The 19th pin of U7 in the INT termination Single Chip Microcomputer (SCM) system 6; RET ^*The 12nd pin of U6 in the termination Single Chip Microcomputer (SCM) system 6; CS ^*The 14th pin of U1 in the termination Single Chip Microcomputer (SCM) system 6.

The function of Single Chip Microcomputer (SCM) system 6 is reception and emissions of control infrared signal, control modulation parts and power carrier parts.Internal system is solidified with application program, and system handles signal according to program run, record, operations such as transmission.As a most preferred embodiment, include the CPU (U7), latch (U6), program storage (U12), data-carrier store (U13), latch (U4), code translator (U1) and the serial ports boost module (U9) that are solidified with application program in the sheet in the Single Chip Microcomputer (SCM) system 6.Wherein the data bus P0.0 of CPU (U7) employing 8951,8951～P0.7 end is connected with the data bus of data-carrier store 62256 (U13) with program storage 29F010 (U12), and is connected with latch 74HCT573 (U4), as the low order address bus.8951 A12～A14 end is connected with 1～3 pin of 3-8 code translator 74HCT138 (U1), and the 6th pin that is connected 74HCT138 with signal of 8951 A15 and A20 produces the chip selection signal of expansion after 74HCT138 decoding.74HCT573 (U6) is connected with 8951 data line, and under the control of the WR of chip selection signal CS5732 and 8951 signal or non-signal, expands 8 delivery outlets.U9 is serial ports boost module MX202, is connected with 8951 serial port line, constitutes the RS-232 serial port of standard behind voltage transformation.

The software flow of above Single Chip Microcomputer (SCM) system is seen shown in Figure 4.

In addition, among Fig. 3,8 is power circuit, and it provides+the 5V power supply for system.Its input end is the 220V AC power, output+5V power supply after POWER filtering, rectification, voltage stabilizing.

Experiment showed, the utility model can obtain exactly to sample viewership at family, is the rating of statistics TV programme Rate provides accurately data, and has the advantages such as simple in structure, installation, debugging convenience, has reached the purpose of expection.

Claims

1. TV audience rating investigation apparatus, it is characterized in that: it is made up of unify ustomer premises access equipment two parts of user side of the department of computer science of control end, wherein, the computer system of control end mainly includes computing machine (1) that inside is equipped with statistical software and the modulator-demodular unit (3) that links to each other with computing machine (1), ustomer premises access equipment includes inside solidification the Single Chip Microcomputer (SCM) system of application program (6), embedded modem (4), infrared signal reception/radiating circuit (7), and power circuit (8), the input of embedded modem (4) and infrared signal reception/radiating circuit (7), output terminal links to each other with Single Chip Microcomputer (SCM) system (6) respectively, and the computer system of control end makes the mode and the ustomer premises access equipment of embedded modem (4) be connected by communication by dialling with modulator-demodular unit (3).

2. TV audience rating investigation apparatus according to claim 1, it is characterized in that: also comprise power carrier parts (5) in the described ustomer premises access equipment, it mainly is made of modulating/demodulating device, filtering device and power line interface device, wherein, its I/O port line links to each other with the I/O mouth line of Single Chip Microcomputer (SCM) system (6) by cable with the synchronizing clock signals line, and its control line connects the I/O mouth of CPU in the Single Chip Microcomputer (SCM) system (6).

3. TV audience rating investigation apparatus according to claim 1, it is characterized in that: described Single Chip Microcomputer (SCM) system (6) includes the CPU (U7) that is solidified with application program in the sheet, program storage (U12), data-carrier store (U13), latch (U4), code translator (U1) and serial ports boost module (U9), except that routine connects, the data bus P0.0 of CPU (U7)～P0.7 end is connected with the data bus of program storage (U12) with data-carrier store (U13), and be connected with latch (U4), as the low order address bus, the A12 of CPU (U7)～A14 end is connected with 1～3 pin of 3-8 code translator (U1), the 6th pin that is connected code translator (U1) with signal of the A15 of CPU (U7) and A20, after code translator (U1) decoding, produce the chip selection signal of expansion, latch (U6) is connected with the data line of CPU (U7), and under the control of the WR signal of chip selection signal CS5732 and CPU (U7) or non-signal, expand 8 delivery outlets, serial ports boost module (U9) is connected with the serial port line of CPU (U7), constitutes the RS-232 serial port of standard behind voltage transformation.

4. TV audience rating investigation apparatus according to claim 1, it is characterized in that: described infrared signal reception/radiating circuit (7) includes infrared signal receiving-member IRDA, infrared signal emitting diode IRD and current-limiting resistance RS1, RS2, wherein the pin 3 of IRDA links to each other with the INT0 signal end of Single Chip Microcomputer (SCM) system (6) by its P_OUT port, pin 2 ground connection of IRDA, pin 1 connects+the 5V power supply, the positive terminal of infrared signal emitting diode IRD links to each other negative pole end ground connection by current-limiting resistance RS2 with the INT1 signal end of Single Chip Microcomputer (SCM) system (6).

5. TV audience rating investigation apparatus according to claim 1, it is characterized in that: described embedded modem (4) is made of special-purpose modulating/demodulating data pump, AFE (analog front end) device and transformer, wherein, each signal end of modulator-demodular unit adopts usual manner to link to each other with each corresponding port of Single Chip Microcomputer (SCM) system (6) respectively, and the output terminal of modulator-demodular unit (4) connects telephone wire by telephone jack.