KR20050115790A - Method for recording and not being cut off of camcorder - Google Patents

Abstract

The present invention relates to a recording method capable of seamlessly recording in a camcorder, the recording method performed in a camcorder including a camera unit, the method comprising the steps of sequentially receiving a total recording capacity of a recording tape and a recording start command; And determining whether it is time to replace the recording tape during recording, outputting a tape replacement signal in the case of a tape replacement time, and inputting from the camera unit when a recording tape replacement confirmation signal is input. Recording image data to a memory; receiving a recording tape replacement completion signal; recording data recorded in the memory to the replaced recording tape; and data recorded in the memory to the replaced recording tape; When it is time to record all of them, replace the captured image data input from the camera unit. Recording on the recorded tape.

Description

Recording method for seamless recording on a camcorder {Method for recording and not being cut off of camcorder}

The present invention relates to a camcorder, and more particularly, to a recording method capable of recording seamlessly in a camcorder.

Camcorder is a compound word of a camera and a recorder, and refers to a video camera having a recording and playback function. Such a camcorder is equipped with a function of outputting recorded data to a TV or a computer, a continuous shooting function, a still image shooting function, etc. in addition to the recording and playback functions. In addition, a camcorder is implemented such that a magnetic tape memory chip or a mini DVD can be used as a recording medium.

However, existing camcorder users have to replace the recording tape directly when there is no storage space for recording on the recording tape, for example, when continuous recording is required for a long time through the camcorder. In this case, when the user takes out the tape in which the recording capacity is exceeded and replaces it with a new recording tape, there is a problem that recording cannot be performed during the replacement time. As a result, the user may be uncomfortable due to the unstable screen when playing the data later to watch the recorded video.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object thereof is to provide a recording method capable of recording in a camcorder without interruption.

According to a basic aspect of the present invention for achieving the above object, a camcorder is equipped with both a memory and a recording tape implemented by a magnetic tape memory chip or a mini DVD. The controller of the camcorder stores the recording data in the memory from the start of the replacement of the recording tape until the replacement is completed, and is recorded on the replaced recording tape after the replacement is completed. Here, according to a characteristic aspect of the present invention, the data stored in the memory during the recording tape replacement time is also implemented to be recorded on the replaced recording medium.

According to this aspect, the camcorder can record seamlessly on a recording tape even when continuous recording is required for a long time. Accordingly, the user can watch more naturally and comfortably when playing the data.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce the present invention.

1 is a block diagram schematically showing the configuration of a camcorder according to an embodiment of the present invention. As shown, the camcorder according to the present embodiment includes an operation unit 10, a lens unit 11, an imaging unit 12, a signal processing unit 13, a recording unit 14, a recording tape 15, and a memory 16. , An alarm unit 17 and a control unit 18.

The operation unit 10 is implemented as a means for inputting a user's operation command, and may be a keypad, a touch panel, a handwriting input unit, a voice recognition unit, etc., which are composed of numeric keys and function keys.

The lens unit 11 is composed of one or more small lenses, and collects and supplies light to the imaging unit 12. The imaging unit 12 converts an optical signal from the lens unit 11 into an analog electric signal, and is generally composed of a CMOS imaging device or a CCD imaging device, and converts light into an electrical signal for each pixel to synchronize with a clock. It is a well-known element which outputs it sequentially. The lens unit 11 and the imaging unit 12 may be implemented as a conventional integrated camera module.

The signal processing unit 13 converts the current or voltage proportional to the image brightness output from the imaging unit 12 into digital data through some processing. The recording unit 14 records the digital data output from the signal processing unit 13 on the recording tape 15. In one embodiment, the camcorder may further include a digital analog converter, in which case the recording unit 14 may be implemented to record an analog video signal output from the digital analog converter on the recording tape 15.

The recording tape 15 stores captured image data, and may be implemented as a magnetic tape memory chip or a mini DVD.

The memory 16 stores data processed by the signal processor 13. In one embodiment, the memory 16 may electrically erase and program data, for example, an EEPROM (Electrically Erasable and Programmable). Read only memory).

In another embodiment, the memory 16 may be a card-type removable flash memory such as a smart media card, a multimedia card, a secure digital card, a compact flash card. Flash Card). To this end, the camcorder may further include a memory interface although not shown in the present embodiment.

The alarm unit 17 outputs a warning signal for a tape replacement time, and may be implemented as a sound output unit for outputting a warning sound or a buzzer for outputting a buzzer signal.

The controller 18 controls the operation of the entire system, and may be implemented as a chip module in which a central processing unit (CPU), a system memory and peripheral devices are integrated, and stored in the system memory in the central processing unit. By executing the control program and data, various processes are performed. Preferably, it includes a known memory controller that controls write and read operations to the memory 16.

Although not shown in the drawings, the camcorder according to the present embodiment may further include a video processor and an output terminal for outputting an image signal output from the signal processor 13 to a TV or a computer. In addition, the camcorder may further include a display unit for displaying a display screen.

Hereinafter, a recording operation performed by the controller 18 according to a characteristic aspect of the present invention will be described in detail with reference to the accompanying drawings.

2 is a flowchart of a recording operation of a camcorder according to an embodiment of the present invention. In the present embodiment, the control unit records data stored in the memory on the replaced recording medium during the recording tape replacement time, and when the data recorded in the memory is recorded on the replaced recording tape, the image is input from the camera unit. The data is implemented to be recorded in real time on the replaced recording tape.

First, the camcorder user attaches a recording tape to the camcorder, and then sets the total recording capacity of the recording tape. After that, if a recording start command is input from the user, the controller controls the recording operation (S201). Thereafter, the controller determines whether it is time to replace the recording tape during recording (S202). In one embodiment, the tape replacement time determination may be implemented as a processing function to check whether the remaining recording capacity of the recording tape is less than the reference capacity. The recording capacity may be real space data of the recording tape, and may be a recording time obtained by converting the recording capacity into time. As a result of the determination, the controller outputs a tape replacement signal when the recording tape is replaced. In one embodiment, the control unit may be implemented to control the alarm unit 17 to output a recording tape replacement signal, for example, a sound or a buzzer signal.

After that, when the recording tape replacement confirmation signal is input from the user, the control unit controls to record the imaging data input from the camera unit to the memory 16 (S203). Thereafter, the controller checks in real time whether the recording tape replacement completion signal is input from the user (S204). In one embodiment, the confirmation of the completion of the replacement of the recording tape may be implemented by confirming whether the recording start command and the information about the total recording capacity of the replaced recording tape are input from the user.

As a result of the checking, when it is confirmed that the replacement is completed, the control unit controls the system to record the data recorded in the memory on the replaced recording tape (S205). In one embodiment, the controller may control to record the data stored in the memory to the replaced recording tape at a high speed. Thereafter, the controller controls the system to record the captured image data input from the camera unit on the replaced recording tape when all of the data recorded in the memory is recorded on the replaced recording tape (S206).

Thereafter, the controller checks whether a long continuous recording end signal is input from the user (S207). As a result of the check, the controller terminates the system when the end signal is input.

3 is a flowchart of a recording operation of a camcorder according to another embodiment of the present invention.

In this embodiment, the control unit is implemented such that the data stored in the memory during the recording tape replacement time is recorded on the replaced recording medium after the continuous recording ends. As shown, since steps 301 to 304 according to the present embodiment are the same as steps 201 to 204 described above, a detailed description of the step will be omitted.

According to a characteristic aspect of the present embodiment, when it is confirmed that the new recording tape replacement is completed, the controller calculates the amount of data recorded in the memory and sets the free space in the replaced recording tape by the calculated amount of data. . That is, the controller controls the fast forward operation among the trick modes supported by the camcorder for the newly replaced recording tape. Thereafter, the controller records the captured image data input from the camera unit on the replaced recording tape (S305).

Thereafter, the controller checks whether a long continuous recording end signal is input from the user (S306). As a result of the check, the controller terminates the system when the end signal is input.

In this embodiment, the camcorder user must find and record memory data corresponding to the free space of the recording medium replaced after the end of continuous recording. In a preferred embodiment, the memory 16 is implemented such that the recording capacity and the recording time for each data are stored together with the captured data. The control unit is implemented to display on the display unit a recording capacity and a recording time for each data when outputting the data stored in the memory 16 according to a user operation. Accordingly, the user can select and store memory data corresponding to the free space of each replacement recording tape. That is, the control unit controls the system to record the data stored in the memory in the free space of the replaced recording tape during the recording tape replacement time according to the user's operation.

As described above, the camcorder according to the present invention has a useful effect of seamless recording on a recording tape even when continuous recording is required for a long time.

In addition, according to the present invention, when the user plays the data stored in the camcorder there is a useful effect that you can watch the recorded data more naturally and comfortably.

Although the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that many various obvious modifications are possible without departing from the scope of the invention from this description. Therefore, it should be interpreted by the claims described to include many such variations.

1 is a block diagram schematically showing the configuration of a camcorder according to an embodiment of the present invention.

2 is a flowchart of a recording operation of a camcorder according to an embodiment of the present invention.

3 is a flowchart of a recording operation of a camcorder according to another embodiment of the present invention.

Claims (8)

In a recording method performed in a camcorder including a camera unit, the method includes: Sequentially receiving a total recording capacity of a recording tape and a recording start command; Determining whether it is time to replace the recording tape during recording; Outputting a tape replacement signal when it is time to replace the tape as a result of the determination; Recording image data input from the camera unit into a memory when a recording tape replacement confirmation signal is input; Receiving a recording tape replacement completion signal; Recording the data recorded in the memory on the replaced recording tape; Recording the imaging data input from the camera unit on the replaced recording tape when the data recorded in the memory is recorded on the replaced recording tape; Recording method comprising a. The method of claim 1, wherein the receiving of the recording tape replacement completion signal comprises: And receiving information on a total recording capacity of the replaced recording tape and a recording start command. 3. The recording method according to claim 1 or 2, wherein the step of determining the tape replacement time is a step of checking whether the remaining recording capacity of the recording tape is less than or equal to the reference capacity. 4. The recording method according to claim 3, wherein the outputting of the tape replacement signal comprises outputting a sound or a buzzer signal. In a recording method performed in a camcorder including a camera unit, the method includes: Sequentially receiving a total recording capacity of a recording tape and a recording start command; Determining whether it is time to replace the recording tape during recording; Outputting a tape replacement signal when it is time to replace the tape as a result of the determination; Recording image data input from the camera unit into a memory when a recording tape replacement confirmation signal is input; Receiving a recording tape replacement completion signal; Calculating the amount of data recorded in the memory, setting a free space in the recording tape replaced by the calculated amount of data, and then recording the captured image data input from the camera unit to the replaced recording tape; Recording the data recorded in the memory in the free space of the replaced recording tape; Recording method comprising a. The method of claim 5, wherein the receiving of the recording tape replacement completion signal comprises: And receiving information on a total recording capacity of the replaced recording tape and a recording start command. 7. The recording method according to claim 5 or 6, wherein the tape replacement timing determination step is a step of checking whether the remaining recording capacity of the recording tape is less than or equal to the reference capacity. 8. The recording method as claimed in claim 7, wherein the outputting of the tape replacement signal comprises outputting a sound or a buzzer signal.