CN2434841Y - Television watching rate information investigating instrument - Google Patents
Television watching rate information investigating instrument Download PDFInfo
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- CN2434841Y CN2434841Y CN 00242209 CN00242209U CN2434841Y CN 2434841 Y CN2434841 Y CN 2434841Y CN 00242209 CN00242209 CN 00242209 CN 00242209 U CN00242209 U CN 00242209U CN 2434841 Y CN2434841 Y CN 2434841Y
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- chip microcomputer
- television
- television program
- receiving information
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Abstract
The utility model relates to a television watching rate information investigating instrument which comprises a computer for collecting and recording the information of television watching rate, a power supply and a machine box. The utility model is characterized in that the utility model also comprised a collecting and processing circuit which is used for monitoring a television tuning PWM signal and a frequency band signal, an infrared remote control device and a serial data communication interface. The utility model can accurately collect and record the channel watching information of a user and the associated information of a watcher and carries out data communication with a survey and control center. A Chinese LCD screen is used to display prompting message, and the utility model has the advantages of good operation interface and convenient and simple use.
Description
The utility model relates to TV audience rating information gathering, storage and transmission system technical field, specifically is a kind of television program receiving information investigation instrument.
Along with popularizing and development of TV, the competition of TV industry increasingly sharpens, and the audience ratings of TV programme has become one of emphasis problem that director, producer and the administrative department of TV programme be concerned about.The equipment of investigation TV program audience rating situation mainly contains following several at present:
1. in television receiver, install the television channel that has tape deck additional and augment device.Because this technical measures can cause the greater loss of TV receiving signal, thereby be difficult to realize.
2. the HF leakage of measuring television receiver monitors the device of institute's receiving channels.Along with development of technology, advance TV machine HF leakage can both be accomplished very little greatly, so the HF leakage signal is difficult to accurate collection, realizes difficulty.
3. come the device of monitor user ' television set audience information by the remote signal that receives TV remote controller.The embodiment of this type of scheme such as Chinese patent 98248866.1 " people meter " are placed on during use by the television set, and when the user passed through the remote controller switching channels, investigating instrument was promptly noted relevant audience information.But this method can not monitor the do not use a teleswitch situation of (use TV panel button channel selection) converted channel of user, can't monitor the full detail of user watched program exactly, and the data of collection are unreliable.
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art, a kind of television program receiving information investigation instrument is provided, this investigating instrument can accurately be monitored, the television channel information of recording user rating and user profile, and can the information of record be sent to Surveillance center by its serial data communication interface.
Television program receiving information investigation instrument of the present utility model comprises: be used to gather, the computer part of record television audience information, this part is made up of single-chip microcomputer (1), memory (3), A/D converter (7) and LCD display (10), LCD display (10) and A/D converter (7) all are connected in single-chip microcomputer (1) by bus, P2 port, and memory (3) is connected with the P1 port of single-chip microcomputer (1); D.C. regulated power supply (13); And cabinet (11).
It is characterized in that also comprising:
Be used to gather, handle the pwm signal Acquisition Circuit (9) and the signal processing filter circuit (8) of the tuning pwm signal of tuner local frequency, described signal processing filter circuit (8) is connected between A/D converter (7) and the pwm signal Acquisition Circuit (9);
Be connected in the frequency band signals Acquisition Circuit (6) of single-chip microcomputer (1) P1 port respective terminal;
The remote signal that is connected in fracture in the single-chip microcomputer (1) receives head (5) and remote controller (4), and they are used to import relevant user profile and initialization is provided with data;
And be connected in the serial data communication interface (2) of single-chip microcomputer (1).
This audience information investigating instrument is used to gather, the relevant information of recording user watched channel information and observer.It is based on the tuning pwm signal that direct monitoring television machine is used to control the tuner local frequency (central control unit produces) and working frequency range and selects signal and determine user institute receiving channels, therefore channel selection is still by the channel selection of TV panel button no matter the user uses a teleswitch, and this audience information investigating instrument can both accurately monitor user watched program channel information.
Description of drawings of the present utility model is as follows.
Fig. 1 is the overall structure schematic diagram of television program receiving information investigation instrument;
Fig. 2 is a television program receiving information investigation instrument functional-block diagram;
Fig. 3 is its exemplary embodiments electrical schematic diagram.
Each several part as shown in Figure 1 is: cabinet (11), place the control circuit board (12) of cabinet (11), D.C. regulated power supply (13), the input interface (14) of tuning pwm signal of television set and tuner working frequency range signal, serial data communication interface (2), LCD display (10), remote control receive head (5) panel (16), dedicated remote control (4) and power line (17) etc.
The circuit structure of television program receiving information investigation instrument shown in Figure 2 is as indicated above, repeats no more herein.Now its course of work is described in conjunction with Fig. 2.Under the control of single-chip microcomputer (1), the tuning pwm signal of television set is gathered into by the pwm signal Acquisition Circuit, become voltage signal by the signal processing filter circuit again, send into A/D converter (7) then and convert this voltage signal to digital signal and enter single-chip microcomputer (1); The television tuner working frequency range signal that single-chip microcomputer (1) monitoring is simultaneously gathered by frequency band signals Acquisition Circuit (6).Single-chip microcomputer (1) utilizes the local frequency that voltage signal that the tuning pwm signal conversion of television set comes and tuner working frequency range signal then can unique definite tuner.Thereby single-chip microcomputer (1) is by the voltage signal and the television operations frequency band signals of monitoring A/D conversion, but indirect monitoring television tuner local frequency then, that is monitor user watched program channel.
This investigating instrument at first carries out the initialization setting before use, and in memory, this process generally sends the special messenger to finish by investigation center to single-chip microcomputer with the A/D conversion value of the pairing pwm signal of each watched channel of connecing television set and tuner working frequency range signal storage.
When operate as normal, single-chip microcomputer is constantly monitored the situation of change of the working frequency range of the situation of change of tuning PWM value of A/D conversion and the collection of frequency band signals Acquisition Circuit.It is monitor user ' program receiving channel change situation, in case find that the user changes watched channel, then will be at this moment the pwm signal value of A/D conversion and working frequency range value compare with the relevant parameter value of each channel in being preset at memory, thereby find the channel of the new rating of user, single-chip microcomputer watched channel that this is new number and the zero-time that is transformed into new channel record in the memory, thereby realize the continuous monitoring to the user watched channel situation.
Single-chip microcomputer is in running, at any time receive the user receives the observer of fracture INT0 in the head input by dedicated remote control and remote control relevant information, and these information datas are stored in the memory, show relevant information in Chinese LCD display simultaneously.Single-chip microcomputer can be presented at real-time clock information on the LCD screen in operate as normal.
Investigating instrument also is provided with a serial data communication interface (2), but adapted wireless Modem (or general Modem), and the user watched channel information data and the rating personnel related data that regularly will be recorded in the memory send back investigation control centre.The real-time clock of single-chip microcomputer then is regularly to send from control centre.
Below in conjunction with exemplary embodiments shown in Figure 3, its circuit structure and operation principle are further specified.Among Fig. 3, single-chip microcomputer 1 is selected the compatible single-chip microcomputer of 80C51 for use.Memory (3) is a nonvolatile memory, adopts the 24C02 Serial E
2PROM is connected with P1.0, the P1.1 port of single-chip microcomputer (1).A/D converter (7) adopts the ICL7109 A/D converter, and it is connected with single-chip microcomputer (1) by bus, P2.4～P2.7 port.For the initialization of importing instrument is provided with data and relevant user profile, be provided with infrared remote-controlled signal and receive head (5) and a remote controller (4), receive head and can adopt the reception of PIC-12043SM type first-class, it is connected in fracture INT0 in the single-chip microcomputer (1).LCD display (10) adopts JHD12232 Chinese dot matrix LCD display module, can show the relevant information, real-time clock information of observer etc.
Above-mentioned pwm signal Acquisition Circuit (9) is made of photoelectrical coupler U5 and the in-phase amplifier U6A that is connected in photoelectrical coupler U5 input, and U5 selects the 6N137 photoelectrical coupler for use; Signal processing filter circuit (8) is made of the emitter follower and the amplification filtering circuit that connect successively.The amplification filtering circuit is by triode Q4 among the embodiment, the load resistance R28 of triode Q4, filter capacitor C27 and resistance R 31 in parallel, and diode D9 forms, diode D9 cross-over connection is between the output of triode Q4 collector electrode and described circuit, and filter capacitor C27 is connected between the output and power supply ground end of described circuit.Described emitter follower is by triode Q1, base resistance R29, emitter resistance R10, and compositions such as blocking condenser C23, C24.Triode Q1 and triode Q4 can select triode 2SK1815 etc. for use.
Above-mentioned frequency band signals Acquisition Circuit (6) is made of three photoelectrical coupler U10, U11 and three in-phase amplifier U6D, the U6E, the U6F that are connected to described three photoelectrical coupler inputs. ! Select TPL521-2 type optical coupler for use.In-phase amplifier U6A, the U6D of said PWM signal acquisition circuit (9) and frequency band signals Acquisition Circuit (6), U6E, U6F can select 7407 general circuit for use.
Above-mentioned remote-control-signal reception unit (5) is infrared signal receiver module REM-IN, and promptly PIC-12043SM type infrared signal receives head.
The tuning pwm signal of television set is entered through U5 photoelectrical coupler (6N137) collection by input interface (14) the 1st pin (being VT), become a voltage signal through the signal processing filter circuit that constitutes by triode Q1, Q4 etc. again, be transformed into digital signal through the ICL7109 A/D converter and enter single-chip microcomputer 80C51.Three tunnel television operations Frequency Band Selection signal B-SW1, B-SW2, the B-SW3 that is gathered by U10, U11 photoelectrical coupler (TPL521-2) enters in the single-chip microcomputer respectively by 80C51 single-chip microcomputer P1.2, P1.3, P1.4 respectively.The user enters single-chip microcomputer by the reception of REM-IN remote control reception head through an INT0 with rating personnel's data-signal of dedicated remote control input.Form dedicated serial data communication interface (2) by 80C51 single-chip microcomputer TXD, RXD and RD signal, can pass through wireless Modem (or wired Modem) and transmit data to investigation control centre.The 80C51 single-chip microcomputer has been set up watchdog circuit U7 (MAX706) to guarantee that system also can operate as normal under noisy condition.The effect of U4 among Fig. 3 (ICL7660) is a generation-5V voltage.Photoelectrical coupler U9 (TPL521-2) and in-phase amplifier U6B, the signal acquisition circuit that U6C constitutes is used for the TV/AV and the POWER/OFF signal of monitoring television machine.
The utility model investigating instrument compared with the prior art advantage is as follows.
Its technical conceive novelty is used for control by monitoring television machine (central control unit produces in the machine) The tuning pwm signal of tuner local frequency processed and working frequency range are selected signal, come the indirect monitoring TV The situation of change of machine tuner local frequency, the channel selection no matter whether the user uses a teleswitch, this audience information Investigating instrument can both accurately monitor user watched program channel change information, the television program receiving data of its collection Accurately, reliably.
It is provided with infrared remote-receiver, can conveniently carry out initialization setting and the input of instrument and receive Relevant information depending on the person; Modem by its serial data communication interface connects can regularly will record The relevant information of user watched channel information and observer sends back investigation control centre; Adopt Chinese dot matrix LCD display display reminding information, the operation interface close friend, simple and easy to use.
Claims (6)
1, a kind of television program receiving information investigation instrument, comprise: be used to gather, the computer part of record television audience information, this part is made up of single-chip microcomputer (1), memory (3), A/D converter (7) and LCD display (10), LCD display (10) and A/D converter (7) all are connected in single-chip microcomputer (1) by bus, P2 port, and memory (3) is connected with the P1 port of single-chip microcomputer (1); D.C. regulated power supply (13); And cabinet (11);
It is characterized in that also comprising:
Be used to gather, handle the pwm signal Acquisition Circuit (9) and the signal processing filter circuit (8) of the tuning pwm signal of tuner local frequency, described signal processing filter circuit (8) is connected between A/D change-over circuit (7) and the pwm signal Acquisition Circuit (9);
Be connected in the frequency band signals Acquisition Circuit (6) of single-chip microcomputer (1) P1 port;
The remote control that is connected in fracture in the single-chip microcomputer (1) receives head (5) and remote controller (4), and they are used to import relevant user profile and initialization is provided with data;
And the serial data communication interface (2) that is connected in single-chip microcomputer (1).
2, television program receiving information investigation instrument according to claim 1 is characterized in that: described pwm signal Acquisition Circuit (9) is made of photoelectrical coupler U5 and the in-phase amplifier U6A that is connected in photoelectrical coupler U5 input; Described signal processing filter circuit (8) is made of the emitter follower and the amplification filtering circuit that connect successively.
3, television program receiving information investigation instrument according to claim 2, it is characterized in that: the amplification filtering circuit of described signal processing filter circuit (8) contains: triode Q4, the load resistance R28 of triode Q4, filter capacitor C27 and resistance R 31 in parallel, and diode D9, diode D9 cross-over connection is between the output of triode Q4 collector electrode and described circuit, and filter capacitor C27 is connected between the output and power supply ground end of described circuit.
4, television program receiving information investigation instrument according to claim 1 is characterized in that: described frequency band signals Acquisition Circuit (6) is made of three photoelectrical couplers and three in-phase amplifiers being connected to described three photoelectrical coupler inputs.
5, television program receiving information investigation instrument according to claim 1 is characterized in that: it is that infrared signal receives head that described remote control receives head (5).
6, television program receiving information investigation instrument according to claim 5 is characterized in that: it is that PIC-12043SM type infrared signal receives head that described infrared signal receives head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00242209 CN2434841Y (en) | 2000-07-05 | 2000-07-05 | Television watching rate information investigating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00242209 CN2434841Y (en) | 2000-07-05 | 2000-07-05 | Television watching rate information investigating instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2434841Y true CN2434841Y (en) | 2001-06-13 |
Family
ID=33602423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00242209 Expired - Fee Related CN2434841Y (en) | 2000-07-05 | 2000-07-05 | Television watching rate information investigating instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2434841Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658082A (en) * | 2015-10-30 | 2017-05-10 | 北京国双科技有限公司 | Method and device for dynamically updating data |
-
2000
- 2000-07-05 CN CN 00242209 patent/CN2434841Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658082A (en) * | 2015-10-30 | 2017-05-10 | 北京国双科技有限公司 | Method and device for dynamically updating data |
| CN106658082B (en) * | 2015-10-30 | 2019-09-06 | 北京国双科技有限公司 | A kind of method and device of dynamic more new data |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |