KR930005008A - Recording and playback device capable of receiving radio broadcasts - Google Patents

Abstract

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Description

Recording and playback device capable of receiving radio broadcasts

Since this is an open matter, no full text was included.

2 is a block diagram of one embodiment of a recording / playback apparatus according to the present invention.

3 is a specific embodiment of the first and second switching means of FIG. 2, wherein (a) is for the first switching means, and (b) is for the second switching means,

4 is another embodiment of the recording / playback apparatus according to the present invention.

5 is another embodiment of the recording / playback apparatus according to the present invention.

Claims (9)

A recording signal processing circuit which modulates and demodulates a signal obtained by tuning an image and an audio signal, which is a high frequency signal (RF), received from a TV broadcasting station to a desired channel, or other externally applied information, on a recording medium; A video and audio signal recording and reproducing apparatus, comprising a reproduction signal processing circuit for converting and reproducing a video and audio signal recorded by a processing circuit or other externally applied information into a frequency of an empty channel of a TV receiver, wherein the control command of a user And key input means 12 for outputting information, the aerial line capable of receiving FM and AM signal components transmitted from a radio station, and control applied through the key input means 12 of the FM and AM signals. A tuning unit 10 for tuning a desired channel by a signal and converting the selected channel into a tuned channel frequency intermediate frequency, and in the tuning unit 10 And a demodulator (11) for demodulating and detecting the output signal and outputting the demodulated signal to be recorded or reproduced on the recording medium. The recording and reproducing apparatus according to claim 1, wherein the recording and reproducing apparatus is adapted to select a signal for outputting to the tuning unit 10 among the FM and AM signals applied through the aerial line by the control signal of the key input means 12. A first selection means (7) and a sound signal output from the first selection means (7) and a signal desired to be recorded and reproduced from the signals received by the TV broadcasting station which is demodulated and output in the recording signal processing circuit. And a second selecting means (8) for receiving a radio broadcast. The recording and reproducing apparatus according to claim 2, further comprising: detecting means (9) for detecting the FM signal received at the radio broadcasting station between the first selecting means (7) and the second selecting means (8); And amplifying means (AMP3) for amplifying a predetermined amount of the signal output from the detecting means or the AM signal to the tuning unit (10). 4. A recording and reproducing apparatus as claimed in claim 3, wherein said detecting means (9) comprises a band pass filter. 3. The first selecting means (7) according to claim 2, wherein the first selecting means (7) comprises at least two control switches (SW3, SW4) for simultaneously passing the TV broadcast signal and the FM signal applied through the aerial line, and the AM signal. And at least one control switch (SW5) for passing the recording and reproducing apparatus for receiving radio broadcasting. 6. A recording and reproducing apparatus as claimed in claim 5, wherein said first selecting means (7) replaces said control switches (SW3, SW4) with a high frequency distributor (13). The control switch (SW1) according to claim 5, wherein the second selection means (8) selectively outputs the video information applied from the outside, the video information received from the TV broadcasting station, and the video information output during the audio signal processing. ), And a control switch (SW6) for selectively outputting the signal from the FM and AM received from the audio information, the audio information applied from the outside and the radio station in the video and audio signal processing process A recording and reproducing apparatus capable of receiving radio broadcasts. 8. The recording and reproducing apparatus according to claim 7, wherein the recording and reproducing apparatus has a system control section (6) for controlling the switching operation of the control switches (SW4, SW5, SW1, SW6) in the first selecting means (7) and the second selecting means (8). Recording and reproducing apparatus for receiving a radio broadcast, characterized in that it further comprises. 8. The recording and reproducing apparatus according to claim 7, wherein the recording and reproducing apparatus has a separate receiving terminal (FM IN) for receiving only the FM signal component and a separate receiving terminal (HF IN) for receiving only the AM signal component. A recording and reproducing apparatus capable of receiving radio broadcasting, characterized in that ※ Note: The disclosure is based on the initial application.