JPH10243333A - Television data storage device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a television data storage device by which data can easily be held and reproduced by performing a prescribed operation at the time of notice even in case of information in the past missed for watching or listening when viewing television broadcast, etc. SOLUTION: The image data and audio data of television are successively fetched by a 1st storage means, old data are abandoned by overflow, for example, and the data of the prescribed period from the present are always stored (step S1). When a storage command is outputted at the time point of notice (step S2), the fetch and overflow of new data are inhibited, and data fetched into the 1st storage means for the prescribed time from that time are stored (step S3). Afterwards, a reproducing command is outputted (step S4), and the data stored in the 1st storage means are displayed as moving images or still pictures on a display device, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television data storage device for temporarily storing television image data and audio data.

[0002]

2. Description of the Related Art When watching a broadcast on a television broadcast or the like, for example, in a program such as a quiz or a television shopping, information to be recorded, such as a FAX number, a TEL number, an Internet address, etc. to a broadcasting station or the like suddenly disappears. May appear. In addition, what you want to record, such as a favorite image or sound, may suddenly appear. In such a case, the conventional V
In an AV device such as a TR, a recording switch is turned on at that time, but the portion to be recorded has already been broadcasted at that time and recording cannot be performed.

[0003]

As described above, the conventional V
An AV device such as a TR can record only the future from the time when the recording switch is turned on. For this reason, it is not possible to record and reproduce past broadcast portions that have been overlooked, overlooked, or felt necessary. If it is possible to retain the information that goes up from the present time to the past, if a data retaining operation is performed even from the point of overlooking or missing, it is possible to reproduce a certain past from that point.

The present invention has been made in view of the above points, and has as its object to store television data that can easily retain and reproduce data even if past information is overlooked or overlooked. It is to provide a device.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is to (1) sequentially capture image data and audio data of a television, discard old data and always keep a predetermined time before the present. First storage means for storing data of the period of time, and reproduction means for reproducing the data stored in the first storage means. At the time of issuing a storage command, taking in of new data is prohibited, and a predetermined time from the time. The data fetched before is stored in the first storage means, and the stored data is reproduced by the reproduction means. (2) Television image data and audio data are sequentially fetched, and A first storage unit for discarding data and always storing data for a period from a present time to a predetermined time before; a second storage unit for storing data of the first storage unit; Reproduction means for reproducing the data stored in the second storage means, wherein when the storage command is issued, the data in the first storage means is moved to and stored in the second storage means, and stored in the second storage means. The data is reproduced by the reproducing means, and (3) the first storage means is constituted by a memory which always stores data in a period from a present time to a predetermined time before by overflowing old data. (4) The first storage means is constituted by a memory which always stores data for a period from a present time to a predetermined time before by overwriting old data with newest data, and (5) the reproduction The means comprises a display device for displaying the stored data as a moving image or a still image.

(6) In the first, third, fourth and fifth aspects of the present invention, the first storage means sequentially captures and sequentially updates television image data and audio data and stores old overflow data within the storage capacity range. Perform operations such as discarding. When a storage command is issued, the operations of the first storage means are stopped, no new data is taken in, the overflow is prohibited, and the data at that time is stored in the first storage means. The reproduction means reproduces the data stored in the first storage means, that is, the data taken in a period from a time when the storage command is issued to a predetermined time before, and displays the data as a moving image or a still image.

(7) In the second, third, fourth and fifth aspects of the present invention, the first storage means sequentially captures and sequentially updates television image data and audio data and stores old overflow data within the storage capacity range. Perform operations such as discarding. When the storage command is issued, the data in the first storage means at that time is moved to the second storage means and stored. The reproduction means reproduces the data stored in the second storage means, that is, the data taken in a period from a time when the storage command is issued to a predetermined time before, and displays the data as a moving image or a still image.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. (1) Embodiments of the Inventions of Claims 1, 3, 4, and 5 In order to always store new data such as a television broadcast,
When the memory capacity is exceeded, it is necessary to rewrite old data to new data in order. Therefore, according to the present invention, as shown in FIG. 1, a television image and sound are recorded as necessary, and past data for a certain time or a certain number of frames or more are overflowed, and a certain amount of past data is always obtained from the current time. Storage means 1 for storing data, and reproduction means 3 for reproducing data stored in the storage means 1.
Was provided.

The first storage means 1 is a semiconductor memory such as a DRAM (dynamic RAM) or SRAM (static RAM), a shift register shown in FIG.
The hard disk and the DVD shown in FIG.

For example, the shift register shown in FIG. 2A is composed of a plurality of flip-flops 11a to 11n connected in series, and has a function of moving the internal state one bit at a time by an external clock. The latest data can be kept pushed out (overflow) in order.

Also, for example, the hard disk shown in FIG.
When data is recorded on a disk (storage medium) such as a DVD, old data is deleted in order, and new data is recorded thereon (data update by overwriting) to always keep a certain amount of past data from the current time. Can be left.

When the data stored in the first storage means 1 is television image data, the reproducing means 3 is constituted by a display device for displaying the data as a moving image or a still image.

Next, the operation of the apparatus configured as described above will be described with reference to the flowchart of FIG. First viewing of a television broadcast or the like, in the first storage unit 1 is the storage capacitance range in step S _1, the television image data sequentially takes in the audio data, sequentially updating and operation of discarding such old overflow data I do.

Next, when the operator notices that he has overlooked or missed the contents of the broadcast, he issues a storage command (step S ₂ ). Then in step S _3, the first
The above operations of the storage unit 1 are stopped, new data is not taken in, the overflow is prohibited, and the data at that time is stored in the first storage unit 1. If then the operator in step S ₄ issues a playback command, playback means 3, the first storage means 1 in the stored data, i.e. taken in the period from the time that the storage command is issued before a predetermined time reproduces data, and displays the moving image or a still image (step S _5).

As described above, according to the present invention, data can be easily retained and reproduced even in the case of past information that has been overlooked or missed during viewing of a television broadcast or the like.

(2) Embodiments of Claims 2, 3, 4, and 5 In the present invention, data to be stored in the first storage means 1 of FIG. It is configured to be moved to the storage means 2 and stored. 4, the same parts as those in FIG. 1 are denoted by the same reference numerals. In FIG. 4, the first
As in the first storage unit 1 of FIG. 1, the storage unit 21 records television images and audio as needed, and overflows past data for a certain time or a certain number of frames or more, and always stores the current time. From a predetermined past data, such as a DRAM (Dynamic RAM) or an SRAM (Static RA).
M), a shift register shown in FIG. 2A, a hard disk shown in FIG. 2B, a DVD, and the like.

The second storage means 2 stores the image data and audio data in the first storage means 21, and is constituted by a writable RAM.

Next, the operation of the apparatus configured as described above will be described with reference to the flowchart of FIG. First viewing of a television broadcast or the like, in the first storage unit 21 storage capacity range in the step S _1, the television image data sequentially takes in the audio data, sequentially updating and operation of discarding such old overflow data I do.

Next, when the operator notices that he has overlooked or missed the contents of the broadcast, he issues a storage command (step S ₂ ). Then in step S _3, the data in the first storage means 21 at that time is stored is moved to the second storage unit 2. Operator issues a playback instruction in a subsequent step S _4, the reproduction means 3, the second storage unit 2 in the stored data, i.e. taken in the period from the time that the storage command is issued before a predetermined time The data is reproduced and displayed as a moving image or a still image (step S
₅ ).

As described above, according to the present invention, data can be easily retained and reproduced even in the case of past information that has been overlooked or missed during viewing of a television broadcast or the like.

If the storage capacity of the second storage means 2 is smaller than the storage capacity of the first storage means 21, if the data to be stored is long, a part of the data may be stored in the second storage means 2. Since the data cannot be reproduced and the data cannot be reproduced, the storage capacity of the second storage means 2 is configured to be larger than the storage capacity of the first storage means 21.

The first storage means 21 shown in FIG. 4 always temporarily stores updated latest data irrespective of the operation of the other second storage means 2 and the reproduction means 3 and the storage command and the reproduction command. Therefore, according to the apparatus shown in FIG. 4, it is possible to simultaneously store the latest data and reproduce the stored data. That is, the second storage means 2 provided a plurality (e.g., 2 ₁ to 2 _n), the data to be stored is stored in the 1st second storage means 2 _1, latest during playback data of the storage means 2 ₁ Can be stored in the second _second storage means 22.

[0023]

【The invention's effect】

(1) As described above, according to the first, second, third, fourth, and fifth aspects, the following excellent effects can be obtained. That is, by sequentially updating new data by recording or overwriting while overflowing, the latest data can always be stored even in a memory having only a fixed capacity.

Also, since the past immediately near the present time can be easily reproduced, it is easy to overlook or miss, important things, too complicated to memorize, etc. by operating from the point of need. Can be stored.

(2) According to the second, third, fourth and fifth aspects of the present invention, the first storage means temporarily stores updated latest data regardless of the operation of the second storage means and the reproduction means. Since the data is stored, the provision of a plurality of (or divided into a plurality of) second storage means allows the latest data to be stored and the stored data to be reproduced at the same time.

[Brief description of the drawings]

FIG. 1 is a block diagram of one embodiment of the present invention.

FIG. 2 shows an example of a first storage means of the present invention, wherein (a) is a circuit diagram of a shift register, and (b) is a schematic diagram of a hard disk.

FIG. 3 is a flowchart illustrating the operation of an embodiment of the present invention.

FIG. 4 is a block diagram of another embodiment of the present invention.

FIG. 5 is a flowchart illustrating the operation of another embodiment of the present invention.

[Explanation of symbols]

 1, 21 ... first storage means 2 ... second storage means 3 ... reproduction means 11a to 11n ... flip-flop

Claims (5)

[Claims] 1. A first storage means for sequentially taking in image data and audio data of a television, discarding old data and always storing data for a period from a present time to a predetermined time before, and a first storage means. Reproduction means for reproducing the stored data, when a storage command is issued, prohibition of taking in new data,
A television data storage device, wherein data fetched before a predetermined time before the time is stored in the first storage means, and the stored data is reproduced by the reproduction means. 2. A first storage means for sequentially taking in image data and audio data of a television, discarding old data and always storing data of a period from a present to a predetermined time before, and A second storage unit for storing data; and a reproducing unit for reproducing the data stored in the second storage unit. When a storage command is issued, the data in the first storage unit is stored in a second storage unit.
A television data storage device wherein the data is moved to a storage means and stored, and the data stored in the second storage means is reproduced by the reproduction means. 3. The television according to claim 1, wherein the first storage means includes a memory for storing data in a period from a present time to a predetermined time before the present by overflowing old data. John data storage. 4. The first storage unit according to claim 1, wherein the first storage unit is configured to overwrite old data with newest data to always store data for a period from a present time to a predetermined time before. 3. The television data storage device according to claim 1. 5. The television data storage device according to claim 1, wherein said reproduction means comprises a display device for displaying said stored data as a moving image or a still image.