KR19980075655A - Deck Detachable Camcorder - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deck detachable camcorder for separating a deck of a camcorder, and more particularly, to a deck detachable camcorder for carrying only a CCD camera device by separating a recording portion.

According to an embodiment of the present invention, a portable photographing means (200) capable of capturing an image of a subject, compressing a photographed image signal and an audio signal, and being portable; A transmission medium (300) for transmitting the compressed video and audio data by the portable photographing means (200); And recording and reproducing means for decompressing and recording the video and audio data transmitted through the transmission medium 300 on the recording medium, and separating the portable photographing means 200 and the recording and reproducing means 400.

Description

Deck Detachable Camcorder

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deck detachable camcorder for separating a deck of a camcorder, and more particularly, to a deck detachable camcorder for carrying only a CCD camera device by separating a recording portion.

In general, a video camera, that is, a camcorder, performs the roles of a camera and a video recorder at the same time to capture an object and to record and play back the captured video and audio.

In the conventional camcorder, as shown in FIG. 1, the system control unit 100 controls the operation of the entire system, that is, photographing, audio and video signal processing, and recording and reproducing the deck. A microphone 110 for converting a signal into a signal and outputting a voice signal, a voice processor 120 for processing the voice signal output from the microphone 110 to be recorded, and recording the same through the deck 160, and the system controller ( The lens group 130 which zooms the image of the subject far or near under the control of 100 to form an image area on the CCD, and through the lens group 130 under the control of the system controller 100. The image capturing unit 140 converts the image of the subject into an electrical image signal, and processes the image signal output from the image capturing unit 140 to be recorded under the control of the system controller 100 so that the deck 1 The image processing unit 150 records through 60.

Referring to the operation of the conventional camcorder configured as described above is as follows.

When the user starts shooting, the system controller 105 controls the voice processor 120, the lens group 130, the image capturer 140, the image processor 150, and the deck 160 to capture and record a picture. To do this.

That is, the voice of the subject or the surrounding sound is converted into an electrical voice signal and processed into a recordable voice signal while the noise is removed under the control of the system controller 100 through the voice processor 120 to the deck 160. Is output.

At the same time, the lens group 130 zooms the image of the subject far or near under the control of the system controller 100 so that the image of the subject is formed in the image area of the CCD. As described above, the image through the lens group 130 is converted into an image signal through the image capturing unit 140 under the control of the system controller 100 and then processed into a recordable image signal while noise is removed from the image processing unit 150. The deck is then output to 160.

The audio and video signals output as described above are recorded on the tape through the deck 160 under the control of the system controller 100 and reproduced if desired.

As described above, a camcorder that simultaneously performs the functions of a camera and a video recorder is bulky and heavy, which makes it impossible to carry it for a long time and is inconvenient to move.

However, despite the miniaturization and light weight of the camcorder, the CCD camera and the recording part are integrated, so it is difficult to solve the disadvantages of bulky and heavy.

The present invention for improving the above problems is to provide a detachable camcorder for separating the CCD camera and the recording portion for convenient portability.

1 is a system configuration diagram of a conventional camcorder

2 is a block diagram of a deck detachable camcorder according to the present invention

Explanation of symbols for the main parts of the drawings

200: portable camera 210: microphone

220: CCD camera 230: audio and video signal processing unit

240: data compression unit 250: data storage unit

260: data transmission unit 300: transmission medium

400: recorder and player 410: data receiver

420: data decompression unit 430: data recording and reproducing unit

440: D / A converter

In order to achieve the above object, the deck-separated camcorder according to the present invention comprises: a portable photographing means capable of capturing an image of a subject and compressing a photographed image signal and an audio signal; A transmission medium for transmitting the compressed video and audio data by the portable photographing means; And recording and reproducing means for decompressing video and audio data transmitted through the transmission medium, recording and reproducing the recording medium, and detachable from the portable photographing means.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 2, the deck detachable camcorder according to the present invention includes a portable photographing apparatus 200, a transmission medium 300, and a recording and reproducing apparatus 400.

The portable photographing apparatus 200 captures an image of a subject, compresses the photographed image signal and an audio signal, transmits the compressed image signal through the transmission medium 300, and is portable. The portable photographing apparatus 200 includes a voice and video signal processor 230 for converting a voice signal input through the microphone 210 and a video signal output from the CCD 220 into a digital signal, and the voice and video signal processor ( A data compression unit 240 for compressing the digital audio and video data output from 230; a storage unit 250 for storing the audio and video data compressed by the data compression unit 240; and recording on a recording medium. When a recording signal is input, the data transmission unit 260 transmits audio and video data stored in the data storage unit 250 through the transmission medium 300.

Here, the data storage unit 250 is composed of a flash memory.

The transmission medium 300 transmits compressed video and audio data by the portable photographing means 200, and may be implemented by using a connector, a satellite repeater, a relay base station, and a wire.

The recorder / player 400 extends the video and audio data transmitted through the transmission medium 300 to record and reproduce the recorded data on the recording medium, and may be separated from the portable photographing unit 200. When the recording signal for recording on the recording medium is input, the recorder and player 400 receives a data receiver 410 for receiving compressed audio and video data transmitted through the transmission medium 300, and the data receiver ( A data decompression unit 420 which decompresses the compressed audio and video data received at 410, and a data recording and reproducing unit 430 which records and reproduces the audio and video data decompressed at the data decompression unit 420 on a recording medium. And a D / A converter 440 converting audio and video data reproduced by the data recording and reproducing unit 430 into an analog signal and displaying the same through a monitor.

The operation of the deck detachable camcorder according to the present invention configured as described above will be described.

The user may take a picture using the portable camera 200 and transmit the same through the transmission medium 300 to record in the recorder and player 400. This will be described in detail below.

First, a case in which the user uses the portable photographing apparatus 200 including the CCD camera separated from the recording and reproducing apparatus 400 including the deck will be described.

When the user starts shooting, the voice signal of the subject or the eye is converted into an electrical signal through the microphone 210, and the image signal formed by zooming the subject from the CCD camera 220 is output to the voice and image signal processor 230. The video signal composed of the audio signal output from the microphone 210 and the video output from the CCD camera 220 is converted into a digital signal by the audio and video signal processing unit 230, and then the data compression unit 240 The data is compressed in a range of a predetermined level and stored in the data storage 250 configured as a flash memory.

Next, the operation after the photographing is completed by the portable photographing apparatus 200 will be described. After the photographing is completed by the portable photographing apparatus 200, the photographing is transmitted to a fixed recording and reproducing apparatus 400 to record on a recording medium such as a video tape. In this case, a satellite repeater, a relay base station, a wired line, or a connector may be used as the transmission medium 300 that connects the portable camera 200 and the recorder and player 400 to transmit compressed audio and video signals. That is, the portable camera 200 and the recording and reproducing apparatus 400 are connected to a transmission medium 300 such as a satellite repeater, a relay base station, a wireline, and a connector, and output a recording signal. The data transmitter 260 of the portable camera 200 and the data receiver 410 of the recorder / player 400 are enabled.

When the data transmitter 260 is enabled as described above, the compressed audio and video signals stored in the data storage unit 250 are read and processed to be strong in noise and advantageous for transmission, and then transmitted through the transmission medium 300. In this case, the method of the data transmitter 260 for data transmission may vary depending on the type of transmission medium 300.

The audio and video data transmitted through the transmission medium 300 is received by the data receiver 410. The data receiving unit 410 performs the reverse process performed by the data transmitting unit 260 as the input of the received audio and video data to make a signal stored in the data storage unit 250. As such, the audio and video data output from the data receiving unit 410 is recorded by the data recording and reproducing unit 430 after data decompression, which is the reverse process of the data compression unit 240, is performed by the data decompressing unit 420. Recorded on the medium.

Audio and video signals recorded on the recording medium are displayed on a TV or a monitor. That is, the audio signal and the video signal recorded on the recording medium are reproduced by the data recording and reproducing unit 430, and then converted into analog signals by the D / A converter 440 and displayed on the monitor.

As described above, only the portable camera 200 including the camera portion is taken to photograph a necessary scene, and then the data is transmitted to and recorded by the recording and reproducing apparatus 400 which is a recording device in each home.

As described above, the deck-removable camcorder according to the present invention has a small volume and light weight, thus making it easy to carry, and thus has a convenient effect on use.

Claims (4)

A portable photographing means 200 which photographs an image of a subject, compresses the photographed image signal and the audio signal, and is portable; A transmission medium (300) for transmitting the compressed video and audio data by the portable photographing means (200); And Decoupling type, characterized in that consisting of recording and reproducing means 400, the portable recording means 200 and the recording and reproducing means to expand and record the video and audio data transmitted through the transmission medium 300 to the recording medium camcorder. The method of claim 1, wherein the portable photographing means 200 An audio and video signal processor 230 for converting an audio signal input through a microphone and an image signal output from the CCD into a digital signal; A data compressor 240 for compressing digital audio and video data output from the audio and video signal processor 230; A storage unit 250 for storing the audio and video data compressed by the data compressor 240; And When the recording signal for recording on the recording medium is input, the deck separated type comprising a data transmitter 260 for transmitting the audio and video data stored in the data storage unit 250 through the transmission medium 300 camcorder. 3. The deck type camcorder as claimed in claim 2, wherein the data storage unit (250) comprises a flash memory. 2. The recording and reproducing means of claim 1, wherein A data receiver (410) for receiving compressed audio and video data transmitted through the transmission medium (300) when a recording signal for recording on the recording medium is input; A data decompressor 420 for decompressing the compressed audio and video data received by the data receiver 410; And And a data recording and reproducing unit (430) for recording and reproducing audio and video data extended by the data extending unit (420) on a recording medium.