RU15527U1 - BLOCKER OF UNDESIRABLE FOR THE CONSUMER OF INFORMATION FROM THE GENERAL FLOW OF TELEVISION PROGRAMS - Google Patents

Abstract

A blocker of undesirable information for a consumer from a common stream of television programs, comprising a device for selecting television channels and connecting a screensaver to a received channel of a screensaver, including a screensaver memory, a video signal to high frequency (VHF) converter and a switch, a channel for selecting a received channel, a device decryption of the signal of the blocked channel and the power supply, characterized in that it is made in the form of a stand-alone set-top box with a remote control, equipped with a receiver of an independent control signal, and the device for selecting television channels and connecting to the received screen saver channel is equipped with an AND circuit and includes a receiver of a program selection selector (SVP), a channel selector (SC), an intermediate frequency and sound amplifier (UPCHIZ), an automatic level control a signal (AGC), a local oscillator self-tuning circuit (AFC), a video amplifier (VU) and a video detector (VD), while the output of the independent control signal receiver is connected to the input of the signal decryption device b the channel being dubbed, and the SVP output is connected to the And circuit, the output of which is connected to the switch, in addition, the output of the signal decryption device is also connected to the And circuit, and the outputs of the SVP, AGC, and AFC are connected to the input of the SC, the output of which is through UPCHIZ, VD, VU and the switch is connected to the input of the microwave, the output of which is connected to the output of the television signal.

Description

Blocker of undesirable information for the consumer from the general

stream of television programs.

The utility model relates to television technology and can be used to exclude the reproduction of programs that are undesirable for the consumer, for example, commercials or programs harmful to children, with scenes of violence or sex.

A device is known for eliminating undesirable information in the program reception mode by a television receiver, comprising a television receiver and a separation unit for audio and video signals, the outputs of which are designed to reproduce information by a television receiver, while a switch and a decoder are included in the audio path for extracting part signal from the audio path and the signal from the output of which is intended to control the switch (UK application No. 2232025 according to class H0 4N 7/00, 1990). 1.

The disadvantage of this device is the difficulty in recognizing the start-stop signal in the received broadcast signal and low noise immunity during operation.

There is also known a device for eliminating undesirable information in the mode of receiving programs by a television receiver, comprising a device for selecting television channels and connecting a screensaver to a received channel, a video signal to high frequency (VHF) converter and a switch, a received channel selection device, a decryption device the signal of the blocked channel and the power supply (RF patent 2127959 according to class H07N 7/00, 1999) 2.

The disadvantage of device 2 is also the complexity caused by the fact that it is functionally interconnected with the general circuit of a standard television receiver (TV). In addition, it is limited by the need to encode on the transmitting side of the television signal a start-stop signal in the audio wavelength range.

The task to which the proposed technical solution is directed is to expand the functionality and simplify the design.

The technical result from the use of the utility model is that the device can be used when working with various sources of independent control signal, such as radio and television transmitters, telephone, pager, etc.

The above technical result is achieved due to the fact that the blocker of undesirable information for the consumer from the total stream of television programs, containing a device for selecting television channels and connecting to the received screen saver channel, including a screen saver memory, a video signal to high-frequency signal (VHF) connected to the input of the television signal and the switch, the device for selecting the received channel, the device for decrypting the signal of the blocked channel and the power supply, according to the proposal, is made in the form of an autonomous set-top box with a remote control unit equipped with an independent control signal receiver, the device for selecting television channels and connecting to the received screen saver channel equipped with an I circuit and includes a program selection selector (SVP) receiver, a channel selector (SC), an intermediate frequency amplifier and sound (UPCHIZ), automatic signal level control (AGC), local oscillator frequency control (AFC), video amplifier (VU) and video detector (VD), while the output of the receiver is independent The signal is connected to the input of the device for decrypting the signal of the blocked channel, and the output of the SVP with circuit I, the output of which is connected to the switch, in addition, the output of the device

the signal decryption is also connected to the AND circuit, and the outputs of the SVP, AGC, and AFC are connected to the output of the SC, the output of which through the UPCH, VD, VU, and the switch is connected to the input of the high frequency converter, the output of which is connected to the output of the television signal.

The applicants have not found technical solutions containing the totality of the essential features specified in the formula of the utility model. This allows us to conclude that the proposed technical solution meets the criteria of novelty and inventive step.

The utility model is illustrated by drawings, where

In FIG. 1 - shows a general blocker diagram;

In FIG. 2 - shows a diagram of a device for selecting television channels and connecting a screensaver to a received channel.

The blocker of undesirable information for the consumer from the total stream of television programs contains a remote control 1, power supply 2,; . a receiver 3, the output of which is connected to the device 4 for decrypting the signal of the blocked channel, connected to the input of the device 5 for selecting television channels and connecting a screensaver to the received channel, to which the device 6 for selecting the received channel, input 7 and output 8 of the television signal are connected.

The device 5 for selecting television channels and connecting the splash screen to the received channel, in turn, contains a program selection selector (SVP) 9, channel selector (SK) 10, an intermediate frequency and sound amplifier (UPCHIZ) 11, an automatic signal level control (AGC) 12 , a heterodide auto-tuning circuit (AFC) 13, a video amplifier (VU) 14, a video detector (VD) 15, an I 16 circuit, a screensaver memory unit 17, a side-to-high-frequency signal (HPF) converter 18, and a switch 19.

The blocker works as follows.

a phone, a pager, etc., is received by the receiver 3 and enters the device 4 to decrypt the signal of the blocked channel.

After this, the processed signal enters the device 5 selection of television channels and connects to the received screen saver channel, which also serves to disable-enable the received channel and tuned to all received television channels.

The channel of the program you are viewing in which you want to include the screen saver is made by the device 6 associated with the remote control 1.

The television viewing channel selected by the user using the remote control 1 is supplied to the SVP 9, which generates two signals: one includes the desired channel SK 10, tuned to receive the channel of interest, the second goes to the I 16 circuit. The cable 10 also receives the television channel 10 through input 7 signal.

From the output of SC 10, the amplified and converted signal is fed to UPCHIZ 11. To maintain a constant signal level at the output when the signal at the input changes, AGC 12 and AFC are used 13. Next, the signal is fed through VD 15 and VU 14 to switch 19, from the output of which the selected television the signal or the screen saver signal is supplied to the high frequency drive 18, and from it to the output 8 of the television signal. At the same time, two signals are received to the And 16 circuit: one from the decryption device 4 of the selected channel, the other from the SVP receiver 9. When the decoder signal matches the selected channel, the And 16 circuit is triggered and a signal to connect the screen saver is sent to switch 19 ..

The proposed utility model can be used in television as well as video recording technology.

Claims (1)

A blocker of undesirable information for a consumer from a common stream of television programs, comprising a device for selecting television channels and connecting a screensaver to a received channel of a screensaver, including a screensaver memory, a video signal to high frequency (VHF) converter and a switch, a channel for selecting a received channel, a device decryption of the signal of the blocked channel and the power supply, characterized in that it is made in the form of a stand-alone set-top box with a remote control, equipped with a receiver of an independent control signal, and the device for selecting television channels and connecting to the received screen saver channel is equipped with an AND circuit and includes a receiver of a program selection selector (SVP), a channel selector (SC), an intermediate frequency and sound amplifier (UPCHIZ), an automatic level control a signal (AGC), a local oscillator self-tuning circuit (AFC), a video amplifier (VU) and a video detector (VD), while the output of the independent control signal receiver is connected to the input of the signal decryption device b the channel being dubbed, and the SVP output is connected to the And circuit, the output of which is connected to the switch, in addition, the output of the signal decryption device is also connected to the And circuit, and the outputs of the SVP, AGC, and AFC are connected to the input of the SC, the output of which is through the UPCH, VD, VU, and the switch is connected to the input of the microwave, the output of which is connected to the output of the television signal.