KR100208006B1 - Video camera with a television tuner - Google Patents

Abstract

The present invention relates to a television tuner and a video camera employing the same, in which the television tuner is the same type as a video tape cassette so that the television broadcast can be loaded into the deck mechanism of the video camera for viewing during travel.

As described above, the present invention provides a video camera employing a tuner for receiving a television broadcast signal and providing the same to a video camera, comprising at least one winding reel hub and a supply reel hub seated on a winding reel and a supply reel when the deck mechanism is loaded. A tuner for receiving and processing a television broadcast signal by attaching a first interface means; The second interface means for contacting the first interface means when the tuner is loaded into the deck mechanism to provide a broadcast signal processed by the tuner to the audio processing unit and the image processing unit of the video camera and to provide information required for the tuner. It is characterized by that.

Accordingly, the video cassette-type tuner can be loaded into the deck mechanism of the video camera to watch television broadcast signals.

Description

Television tuners and video cameras employing them.

The present invention relates to a video camera employing a television tuner. More particularly, the cassette-type television tuner is used when a television receiver tuner is the same type as a video tape cassette and is intended to receive a television broadcast while traveling or indoors. The present invention relates to a television tuner for loading a deck mechanism of a video camera so that a broadcast signal can be easily viewed and a video camera employing the same.

In general, as a video recording medium is developed, a video camera can capture a subject and store it on its own video recording medium to view it through a liquid crystal display. And a plurality of input terminals and output terminals for viewing a video signal recorded on its own video recording medium through a cathode ray tube of a television receiver.

In addition, recently, a video camera that can watch television broadcasts while being easily carried outdoors has been devised. However, when a user wants to receive a television broadcast by detaching a TV tuner from the main body of the video camera, a packet is sent to the video camera. The television tuners were combined to watch television broadcasts.

Such video cameras have a tendency to be smaller and lighter in response to consumer demand that the user should be able to easily carry them, so the size of the video camera is also limited.

1 is an exploded perspective view of a video camera employing a conventional TV tuner, Figure 2 is a combined perspective view of a video camera employing a TV tuner of FIG.

The video camera employing the television tuner is largely composed of a main body 100 of the video camera and a packet-type television tuner 200 detachably coupled thereto.

The main body 100 of the video camera includes a playback button 102 for reproducing a video signal captured by a subject and recorded on its own video recording medium, and a playback stop button 103 for stopping the playback mode. And a liquid crystal display 101 for displaying a video signal in a reproduction mode on the screen.

In addition, the packet-shaped television tuner 200 coupled to the main body 100 of the video camera, as shown in Figure 1, the channel up / down for setting the power button 205 and the channel up / down in the front end An antenna 201 for receiving a television broadcast is installed at the left end, and a main body connecting portion 202 is formed at the upper end thereof, and the bottom of the main body 100 of the video camera is detachably mounted. Combined.

In order to watch television broadcasting while traveling in a video camera employing a television tuner having such a structure, first insert the battery pack into the main body 100, and then attach the packet-type television tuner 200 to the main body 100 of the video camera. Coupling through the connection portion 202.

In this state, press the power button 205 of the television tuner 200 to start the operation of the tuner 200, and then pull up the antenna 201 so that the broadcast propagation is well taken and the channel up / down setting button 203 By selecting the desired broadcast by manipulating 204, the desired broadcast channel can be viewed on the liquid crystal display 101 of the main body 100 of the video camera.

However, such a camcorder with a television tuner requires that the packet-type television tuner be separated from the main body and stored separately in order to prevent battery drainage when the television camera is operated using a battery pack and the television camera is not watched. There is a difficulty in storage, and there is a problem that the TV tuner is used in combination with the main body of the video camera to counteract the miniaturization and light weight of the video camera.

Therefore, in view of the problems of the conventional video camera employing a television tuner as described above, the tuner of the television receiver is the same type as the video tape cassette, and the cassette-type television tuner is used when the television broadcaster is watching. It is an object of the present invention to provide a television tuner and a video camera employing the same so that it can be loaded on the deck to watch television broadcasts.

Another object of the present invention is to be able to store the video tape cassette-type television tuner in the main body without the need to separate from the main body of the video camera when not watching television broadcast.

Another object of the present invention is to reduce the size and weight of a television tuner employing a video camera to facilitate portability.

It is another object of the present invention to provide a natural signal interface when loading a video tape cassette type television tuner into a deck mechanism.

Another object of the present invention is to achieve compatibility with a tape cassette, which is a magnetic recording medium, and a cassette-type television tuner.

1 is an exploded perspective view of a video camera employing a conventional TV tuner.

FIG. 2 is a combined perspective view of the video camera employing the TV tuner of FIG. 1.

Fig. 3 is a plan view showing a video tape cassette type television tuner loaded on the deck of the video camera of the present invention.

4 is a block diagram of a television tuner incorporated in the video tape cassette type of FIG.

Fig. 5A is a cross-sectional view of a state before contact between a second interface portion mounted on the deck of the inventive video camera and a first interface portion mounted on the TV tuner.

FIG. 5B is a cross-sectional view illustrating a state in which the second interface portion of FIG. 5A and the first interface portion of the TV tuner are in contact with each other; FIG.

<Description of the symbols for the main parts of the drawings>

30: receiving signal processing unit 31: voltage adjusting unit

32: synchronization generating unit 33: tuner system control unit

34: video / audio signal processing unit 300: television tuner

301: first interface unit 302: second interface unit

302: reel hub 303: reel hub supply

A television tuner according to one aspect of the present invention for achieving the above objects includes at least a winding reel hub and a supply reel hub seated on a take-up reel and a supply reel when loaded into a deck mechanism of a video camera, and on one side a first tuner. One interface means is mounted to receive a television broadcast in electrical contact with a second interface means provided in the deck mechanism, and process the received broadcast signal as a screen signal to display on the LCD screen of the video camera through the second interface means. Characterized in that the video cassette shape to be displayed.

In the television tuner according to the present invention, the first interface means preferably has at least a power supply terminal, a ground terminal, a clock terminal, a data terminal, and a video / audio output terminal.

In the television tuner according to the present invention, the first interface means is preferably mounted so as not to protrude on the bottom surface of one side of the tuner of the video cassette type.

In the television tuner according to the present invention, the first interface means is preferably in contact with the second interface means when loading the deck mechanism.

In the television tuner according to the present invention, each terminal of the first interface means is preferably formed in a concave-convex shape with a predetermined interval to prevent electrical short between each other.

A video camera employing a television tuner according to another aspect of the present invention for achieving the above object comprises at least a winding reel hub and a supply reel hub seated on a winding reel and a supply reel when loaded into a deck mechanism of the video camera; A television tuner having a first interface means mounted at one side to receive and process a TV broadcast signal; A second, in contact with said first interface means when providing said television tuner to a deck mechanism to provide a broadcast signal processed by said television tuner to an audio processing unit and an image processing unit of a video camera and to provide information necessary for a television tuner; It characterized by including the interface means.

In the video camera employing the television tuner according to the present invention, the first interface means preferably has at least a power supply terminal, a ground terminal, a clock terminal, a data terminal and a video / audio output terminal.

In the video camera employing the television tuner according to the present invention, the first interface means is preferably mounted so as not to protrude on the bottom surface of the tuner side of the video cassette type.

In the video camera employing the television tuner according to the present invention, it is preferable that the second interface means has the same structure as the first interface means.

In the video camera employing the television tuner according to the present invention, the second interface means is preferably in contact with the first interface means when loading the video cassette type television tuner into the deck mechanism.

In the video camera employing the television tuner according to the present invention, each terminal of the second interface means is preferably formed in a concave-convex shape at regular intervals to prevent electrical shorts.

In the video camera employing the television tuner according to the present invention, each terminal of the second interface means is preferably constituted by an elastic member to facilitate contact with the first interface means.

As a result, when a cassette-type television tuner is loaded on the deck mechanism of the video camera to watch television broadcast, the first interface means of the television tuner and the second interface means of the deck mechanism are electrically contacted alternately and received by the television tuner. The zoom can be seen by displaying the broadcast signal on the LCD screen.

Accordingly, when the television broadcast is not viewed, the video tape cassette-type television tuner can be stored in the camera body without having to be stored separately from the main body, thereby providing convenience in portability.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of a television tuner and a video camera employing the same according to the present invention.

3 is a bottom view showing a video tape cassette type television tuner loaded on the deck of the video camera of the present invention, and FIG. 5A is a second interface part mounted on the deck of the video camera of the present invention and a first interface mounted on the TV tuner. FIG. 5B is a cross-sectional view illustrating a state in which the second interface portion of FIG. 5A and the first interface portion of the TV tuner are in contact with each other.

According to the present exemplary embodiment, at least one winding reel hub 302 and a supply reel hub 303 seated on a winding reel and a supply reel are mounted on a conventional deck mechanism, and a first interface portion 301 is mounted on one side thereof. A video cassette type television tuner which receives and processes a television broadcast signal from an aerial medium through an antenna, provides the received audio and video signal to a signal processing unit of a video camera, and receives necessary information from the video camera. 300); It is provided in the deck mechanism of the video camera and the video cassette-type television tuner 300 is in electrical contact with the first interface 301 in alternating manner when loaded into the deck mechanism, so that the video / audio of the television tuner 300 is And a second interface unit 302 for interfacing the signal to the signal processing unit of the video camera and providing the necessary information to the television tuner 300.

In the above, the first interface unit 301 provided in the cassette-type television tuner 300 is inserted and fixed so as not to protrude on one side thereof, and the first interface unit 302 is in electrical contact with the second interface unit 302 of the deck mechanism. The power supply terminal 301a, the first ground terminal 301b, the first video terminal 301c, the first audio terminal 301d, the first clock terminal 301e, and the first data terminal 301f have concave-convex shapes. And elastic contact with the first interface unit 302.

The second interface unit 302 mounted to the deck mechanism of the video camera is opposed to the first interface unit 301 by a second power terminal 302a, a second ground terminal 302b, and a second video terminal 302c. ), The second audio terminal 302d, the second clock terminal 302e and the second data terminal 302f are protruded, and the terminals are in contact with the first interface 301 in alternating manner.

FIG. 4 is a block diagram of a television tuner embedded in the video tape cassette type of FIG. 3. As shown in FIG. 4, the first power supply terminal 301a and the first ground terminal of the first interface unit 301 are illustrated. A voltage adjusting unit 31 for appropriately adjusting the voltage input from 301b to supply the necessary operating voltages V1-V3; A synchronization generator 32 for generating a horizontal synchronization signal HS and a vertical synchronization signal VS; The horizontal synchronization generated from the first clock terminal 301e and the synchronization generating unit 32 by receiving the operating voltage V3 from the voltage adjusting unit 31 and inputting data DATA from the first data terminal 301f. A tuner system controller 33 for generating a clock CLK2, fine adjustment data SD, an audio mute signal AMU, and a video mute signal VMU in synchronization with the signal HS and the vertical synchronization signal VS; The operating voltage V1 is input from the voltage adjusting unit 31 and the broadcasting signal is received through the antenna ANT according to the clock CLK2 and the fine tuning data SD input from the tuner system controller 33. A reception signal processor 30 for tuning to a corresponding frequency, amplifying and processing an intermediate frequency, and separately outputting the video signal VS and the audio signal AS; The reception signal processor 30 processes the operation voltage V2 from the voltage adjuster 31 and processes the received signal processor 30 according to the audio mute signal AMU and the video mute signal VMU generated by the tuner system controller 33. Determine whether to output the input video signal VS and the audio signal AS, and then the second interface unit through the first video terminal 301c and the first audio terminal 301d of the first interface unit 301. And a video / audio signal processing unit 34 provided to 302.

Hereinafter, with reference to the accompanying Figures 3 to 5 will be described a preferred embodiment according to the present invention through the following.

First, when a user loads a cassette-type television tuner 300 in which a first interface unit 301 is mounted on a deck mechanism of a portable video camera in order to watch a television broadcast through a magnetic recording / playback apparatus such as a video camera, the deck mechanism The second interface portion 302 mounted in place of is in electrical resilient contact with the first interface portion 301 of the cassette-type television tuner 300 mounted in the same direction.

That is, in more detail, the second power supply terminal 302a, the second ground terminal 302b of the second interface unit 302 as shown in FIGS. 5A and 5B installed in the deck mechanism of the video camera, The second video terminal 302c, the second audio terminal 302d, the second clock terminal 302e, and the second data terminal 302f have their cassette type television tuner 300 when the cassette type television tuner 300 is loaded. The first power supply terminal 301a, the first ground terminal 301b, and the first video terminal 301c of the first interface 301, which are mounted in place, preferably not on one side of the cassette type bottom surface, are preferably located. The first audio terminal 301d, the first clock terminal 301e, and the first data terminal 301f are elastically contacted alternately as shown in FIG. 5B.

In the above description, each of the contact terminals of the first and second interface units 301 and 302 may be formed in a concave-convex shape or have a flat surface at a predetermined interval to prevent electrical shorts therebetween.

Subsequently, in order to watch television broadcast in a state where the first interface 301 of the cassette-type television tuner 300 and the second interface 302 mounted on the deck mechanism of the video camera are in electrical contact with each other. When the power button is pressed, it is applied to the voltage adjusting unit 31 of FIG. 4 through corresponding terminals of the second interface unit 302 of the video camera and the first interface unit 301 of the television tuner 300.

As such, when the TV mode or the channel broadcasting is selected after the power is input, the data and the clock CLK1 synchronized with the data are applied to the second interface unit 302 and the first interface unit 301. The terminal is provided to the tuner system controller 33.

The voltage adjusting unit 31 of the television tuner 300 is input from the video camera through the first power terminal 301a and the first ground terminal 301b of the first interface unit 301. The voltage input from the two interface unit 302 is adjusted to generate operating voltages V1-V3 necessary for each unit.

Meanwhile, when the television tuner 300 is operated, the synchronization generator 32 generates a horizontal synchronization signal HS and a vertical synchronization signal VS to provide the tuner system controller 33.

The tuner system controller 33 is operated by the voltage V1 input from the voltage adjuster 31 and is the first data by the horizontal / vertical synchronization signals HS and VS of the synchronization generator 32. The clock CLK1 input through the first clock terminal 301e by generating the fine adjustment data SD, the audio mute signal AMU, and the video mute signal VMU by judging the data input through the terminal 301f. ) Is branched to provide the branched clock CLK2 to the reception signal processing unit 30.

The reception signal processing unit 30 operates by the voltage adjusted by the voltage adjusting unit 31 to receive a television broadcast signal through the antenna ANT. At this time, the clock CLK2 input from the tuner system control unit 33. The received television broadcast signal is amplified and subjected to intermediate frequency processing to separately output the video signal VS and the audio signal AS.

In addition, the television broadcast signal received by the fine tuning data SD input from the tuner system controller 33 is synchronized with the corresponding frequency.

The audio signal AS and the video signal VS separated by the reception signal processor 30 are provided to the video / audio signal processor 34.

The video / audio signal processing unit 34 converts the analog video signal VS separated and input from the reception signal processing unit 30 into a digital video signal, and the converted digital video signal is converted into a digital video signal. The luminance / chromatic processing unit of the video camera of the subsequent stage electrically connected to the first video terminal 301c is processed as a screen image signal and displayed on the LCD screen.

In addition, the audio signal is amplified to a sufficient size in the video / audio signal processing section 34 to a speaker (not shown in the figure) electrically connected to it through the first audio terminal 301d of the first interface unit 301. Is output.

At this time, when the audio mute signal AMU and the video mute signal VMU are provided from the tuner system controller 33, the screen mutes and mutes the audio signal.

As described above, in the present embodiment, if the cassette type television tuner 300 is loaded into the deck mechanism of the video camera when the television broadcast is to be watched, the first interface unit 301 and the deck mechanism of the television tuner are loaded. Since the two interface units 302 are in electrical contact with each other in an alternating manner, a separate packet-type television tuner does not have to be coupled to the bottom of the main body of the video camera in order to watch television broadcasts. It can be seen that the portability is convenient because there is no need to store separately.

In addition, although specific embodiments of the present invention have been described and illustrated above, it is obvious that the present invention may be variously modified and implemented by those skilled in the art.

Such modified embodiments should not be individually understood from the technical spirit or the prospect of the present invention, and such modified embodiments should fall within the appended claims of the present invention.

According to the present invention, a television tuner is formed in the same manner as a video tape cassette so that a cassette-type television tuner can be loaded into a deck of a video camera to watch television broadcasts while traveling. Since the TV tuner does not need to be stored separately from the main body, the video camera can be miniaturized and lightened, and the portability of the video tuner can be easily achieved.

Claims (17)

In a video camera employing a tuner that receives a television broadcast signal and provides it to a video camera, The tuner includes at least a winding reel hub and a supply reel hub seated on a winding reel and a supply reel when loaded onto a deck mechanism, and a first interface means is mounted on one side thereof so as to be provided with a second interface means provided in the deck mechanism. And a video cassette type which receives a television broadcast by electrical contact and processes the received broadcast signal into a screen signal and displays the same on a liquid crystal screen of a video camera through the second interface means. The method of claim 1, And said first interface means comprises at least a power terminal, a ground terminal, a clock terminal, a data terminal and a video / audio output terminal. The method of claim 1, And the first interface means is mounted so as not to protrude on the bottom surface of one side of the video cassette-type tuner. The method of claim 1, Said first interface means being in contact with the second interface means in an alternating manner when said video cassette type tuner is loaded into the deck mechanism. The method according to any one of claims 1 to 4, And each terminal of the first interface means is formed in a concave-convex shape with a predetermined interval to prevent electrical shorts therebetween. The method of claim 2, And each terminal of said first interface means comprises an elastic member to facilitate contact with each terminal of said second interface means. The method of claim 6, And each terminal of any one of the interface means of each terminal of the first interface means and each terminal of the second interface means comprises an elastic member. In a video camera employing a tuner that receives a television broadcast signal and provides it to a video camera, A tuner including at least a winding reel hub and a supply reel hub seated on the winding reel and the supply reel when the deck mechanism is loaded, and on one side, a first interface means for receiving and processing a television broadcast signal; A second interface means for contacting the first interface means when the tuner is loaded into the deck mechanism to provide a broadcast signal processed by the tuner to an audio processing unit and an image processing unit of a video camera and to provide information required for the tuner; A video camera employing a television tuner characterized by including. The method of claim 8, And said first interface means comprises at least a power supply terminal, a ground terminal, a clock terminal, a data terminal, and a video / audio output terminal. The method of claim 8, And said first interface means is mounted so as not to protrude on the bottom surface of one side of the tuner of a video cassette type. The method of claim 8, And said second interface means has the same structure as the first interface means. The method of claim 8, And the second interface means is in contact with the first interface means in an alternating manner when the video cassette type tuner is loaded into the deck mechanism. The method of claim 8, And each terminal of the second interface means is formed in a concave-convex shape with a predetermined interval to prevent electrical shorts therebetween. The method of claim 8, And each terminal of said second interface means comprises an elastic member to facilitate contact with said first interface means. The method of claim 8, And each terminal of said first interface means comprises a resilient member for facilitating contact with said second interface means. The method according to claim 14 or 15, A video camera employing a television tuner, characterized in that each terminal of any one of the terminal means of the first interface means and each terminal of the second interface means comprises an elastic member. At least one winding reel hub and a feeding reel hub seated on the winding reel and the supply reel when loaded into the video camera deck mechanism, and on one side a first interface means is mounted so that the television broadcast signal can be electrically connected to the second interface means of the deck mechanism. In the television tuner for a video camera which receives a signal, The TV tuner is, (1) voltage adjusting means for supplying a necessary operating voltage by appropriately adjusting the voltage obtained from said second interface means; (2) synchronization generating means for generating horizontal and vertical synchronization when the first and second interface means are connected; (3) receive the operating voltage from the voltage adjusting means and adjust the fine adjustment data, the audio / video mute signal and the clock according to the data and clock obtained from the first interface means and the horizontal and vertical synchronization obtained from the synchronization generating means. Generated tuner system control means; (4) Receives the operating voltage of the voltage adjusting means, receives a broadcast signal according to the clock and fine tuning data obtained from the tuner system control means, tunes to the corresponding frequency, and performs a video signal and audio through amplification and intermediate frequency processing. Received signal processing means for separating and outputting the signal; (5) Receiving the operation voltage obtained by the voltage adjusting means and determining whether to output the video / audio signal which is processed and received by the receiving signal processing means according to the audio mute / video mute signal obtained by the tuner system control means. And a video / audio signal processing means for providing to the second interface means via the first interface means.