JP3162005B2 - Information recording apparatus and method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information recording apparatus and an information recording method capable of controlling the operation of a recording signal in accordance with a change in the transmission time of the recording signal.

[0002]

2. Description of the Related Art As a system for automatically responding to changes in broadcast time and automatically performing commercial cuts at the time of recording by a magnetic recording / reproducing apparatus, as described in Japanese Patent Application Laid-Open No. In some cases, a unique code is transmitted, and the magnetic recording / reproducing apparatus receives the code and performs desired processing.

[0003]

The above-mentioned conventional technique has a problem that it is difficult for current broadcast receiving systems and magnetic recording / reproducing apparatuses to cope with changes in broadcast time and to perform processing such as commercial cut. there were.

[0004] The present invention provides an information recording apparatus and method that can reliably record a broadcast time of a predetermined program even if the broadcast time of a predetermined program is changed, even in a current broadcast receiving system and a normal recording / reproducing apparatus. The purpose is to provide.

In order to achieve the above object, the present invention adopts the following device configuration. That is, the reception that receives the program
And means, a reservation means for reserving the recording of the program, the number
Character information indicating that the broadcast time of the set is to be changed is received.
Change the recording time reserved by the reservation means
Te, and control means for controlling so as to record the program, the
The configuration of the information recording device provided is provided.

[0006] In addition, a receiving means for receiving the program, the number
A reservation means for reserving a set of recording, the broadcast time of the program
When the character information indicating that it is to be changed is received,
Detecting a change time of the broadcast time, and detecting the change time
Change the recording time reserved by the reservation means according to
Te, and control means for controlling so as to record the program, the
The configuration of the information recording device provided is provided.

Also, predetermined information is received and recorded.
Recording means for reserving the predetermined information,
And a sentence for recognizing character information included in the predetermined information
Character information recognizing means and recognition by the character information recognizing means
The transmission time of the predetermined information is changed according to the result.
Time change detecting means for detecting that
Means for making a reservation by the reserving means according to a detection result by the means.
The recording time is changed, and the recording
And a control means for controlling to record the constant information, the
Of the information recording apparatus.

[0008] The time change detecting means may include the predetermined time change detecting means.
Information that detects the time at which the transmission time of the information was advanced
The configuration of the recording device is used.

[0009] Further , the predetermined information is information on a program broadcast.
The configuration of the information recording device.

A method having the following steps is provided.
You. That is, a reservation step for setting a recording time of a program.
And-up, and a reception step of receiving the program, the program
Text information indicating that the broadcast time of
The recording time set in the reservation step
Control step to change the control to record the program.
Tsu and up, the information recording method comprising have.

A reservation for setting a recording time of a program.
A step, a receiving step of receiving the program, the
Character information indicating that the broadcast time of the program will be changed is received
When the broadcast time is changed, the change time of the broadcast time is detected, and the
Reservation setting in the reservation step according to the issued change time
Change the recorded recording time so that the program is recorded
An information recording method comprising a control step of controlling
I do.

Also, the recording time of the predetermined information is set by reservation.
Receiving stearyl for receiving a reservation step that, the predetermined information
And recognizes character information included in the predetermined information.
A character information recognition step; and the character information recognition step.
The transmission time of the predetermined information is determined according to the recognition result in
And time change detection step of detecting that the modified, before
Depending on the detection result in the time change detection step,
Changing the recording time reserved in the reservation step,
A control step of controlling to record predetermined information;
An information recording method comprising:

The time change detecting step may include the step of:
Detects the time when the transmission time of the given information was advanced
Method.

[0014] Further , the predetermined information is information on a program broadcast.
Report method.

[0015]

By detecting that the transmission time of the predetermined information has been changed and controlling to change the recording execution time in accordance with the change, it is possible to reliably record the predetermined information. Further, by detecting switching intervals of image information, character information, and information, it is possible to reliably detect that the transmission time has been changed.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of a first embodiment of a recording / reproducing apparatus as an information recording apparatus according to the present invention, wherein 1 is a magnetic recording / reproducing apparatus, and 2 is an operation of the magnetic recording / reproducing apparatus 1. A control device 3 for controlling the magnetic tape, 4 for a cassette, 5 for a magnetic head for recording and reproducing on the magnetic tape 3, 6 for a cylinder on which the magnetic head 5 is mounted, and 7 for receiving a control signal from the control device 2 A remote control receiving unit 8 is a mode control unit that switches the mode of the magnetic recording / reproducing apparatus 1 based on a control signal received by the remote control receiving unit 7, and a running control unit 9 controls running of the magnetic tape 4 by operation of the mode control unit 8. Reference numeral 10 denotes a video signal processing unit that processes a signal reproduced by the magnetic head 5, 11 denotes a tuner unit that receives a broadcast signal, and 12 denotes a broadcast signal that processes a broadcast signal received by the tuner unit 11. Management unit, 13 an input changeover switch for switching the input signal to the frequency analyzer, 14 frequency analyzer for analyzing the frequency characteristic of the video or audio signals, 1
5 is a memory for holding the analysis result of the frequency analysis unit 14,
Reference numeral 16 denotes an output changeover switch for switching the output destination of the analysis result of the frequency analysis unit 14, reference numeral 17 denotes a comparison unit for comparing the previous analysis result held in the memory 15 with the current analysis result, and reference numeral 18 denotes the comparison result of the comparison unit 17. A system control unit 19 that determines a necessary operation of the magnetic recording / reproducing apparatus 1 based on the control signal, and a remote control transmitting unit 19 that transmits a result of the determination by the system control unit 18 to the magnetic recording / reproducing apparatus 1 as a control signal.

In FIG. 1, the control device 2 and the magnetic recording / reproducing device 1 are connected by connectors 1-a and 2-b.

When the magnetic recording / reproducing apparatus 1 is in the recording mode, the input switch 13 is set to the tuner 11 side (13
-A), and the frequency analysis unit 14 analyzes the frequency of the received broadcast image or audio signal. Then, the output changeover switch 16 is set to the memory 15 side (16-a).
And the analysis result is stored in the memory 15. Next, the output changeover switch 16 is set to the comparison unit 17 side (16-
Switch to b) to perform frequency analysis on the current image or audio signal.

When the broadcast content is switched to a commercial or the like, the frequency distribution of the image or audio signal also changes, so that the comparison unit 17 detects a change in the broadcast content. On the basis of the judgment result of the comparison unit 17, the system control unit 1
In step 8, the control of the magnetic recording / reproducing apparatus 1, such as pause during recording or release of the pause, is determined and sent to the remote controller control unit 19. A control signal is transmitted from the remote control transmitting unit 19 to the remote control receiving unit 7 of the magnetic recording / reproducing device 1, and the magnetic recording / reproducing device 1 performs a predetermined operation.

When the magnetic recording / reproducing apparatus 1 is in the reproducing mode, the input changeover switch 13 is switched to the video signal processing section 10 side (13-b), and the image or audio signal reproduced by the magnetic recording / reproducing apparatus 1 is Is analyzed. Then, when switching to a commercial or the like during reproduction, this is detected, and the operation of the magnetic recording / reproducing apparatus 1 is changed to fast-forwarding or the like, thereby enabling skipping of the commercial or the like.

FIG. 2 is a block diagram showing a second embodiment of a recording / reproducing apparatus as an information recording apparatus according to the present invention. In FIG. 2, the same parts as those in FIG. An image processing unit 21 for performing pattern recognition of the pattern data is a pattern data holding unit that holds a character or image pattern such as a time change of a commercial or a program.

Referring to FIG.
As in FIG. 1, when the magnetic recording / reproducing apparatus 1 is in the recording mode, it is switched to the tuner 11 side (13-a), and when the magnetic recording / reproducing apparatus 1 is in the reproduction mode, it is switched to the video signal processing unit 10 side (13-b). .

The image processing section 20 processes the image signal being recorded or reproduced to extract a commercial title or a character pattern for changing the time of a program. The processing result is compared with the data in the pattern data holding unit 21, and the magnetic recording / reproducing apparatus 1 is switched to a required mode according to the comparison result. The control signal is transmitted from the remote control transmission unit 19 and received by the remote control reception unit 7 of the magnetic recording / reproducing apparatus 1 as in FIG. 1, and a predetermined operation is performed.

Further, in this embodiment, a character pattern such as "The subsequent program will be broadcasted 30 minutes later" displayed when the time of the program is changed is detected, and a timer for recording reservation (not shown). It is also possible to automatically cope with a change in the broadcast time of a program in conjunction with.

FIG. 3 is a block diagram showing a third embodiment of a recording / reproducing apparatus as an information recording apparatus according to the present invention. The same parts as those in FIGS. 1 and 2 are denoted by the same reference numerals.
Reference numeral 22 denotes a caption detection unit that detects captions in an image. In the figure, an image signal being recorded or reproduced is transmitted to an image processing unit 2.
0, the image is processed, and the caption detection unit 22 detects the caption displayed immediately before the commercial, and performs commercial cut or skipping.

In this embodiment, as compared with the embodiments shown in FIGS. 1 and 2, there is no need to hold a memory or pattern data, so that the cost can be reduced with a simple configuration.

FIG. 4 is a block diagram showing a fourth embodiment of a recording / reproducing apparatus as an information recording apparatus according to the present invention. The same parts as those in FIGS. Reference numeral 23 denotes a screen switching detection unit, reference numeral 24 denotes a timer for measuring the screen switching interval, and reference numeral 25 denotes a determination unit for determining whether or not the image is commercial based on the screen switching interval.

In FIG. 3, a detecting section 23 detects the timing of switching of the screen during recording or reproduction, and measures the time until the next screen switching by the timer 24.
Normally, commercials are often broadcast at regular intervals, and the determination unit 25 determines whether or not a commercial is based on the screen switching interval.

This embodiment does not require a memory or pattern data as in the embodiments shown in FIGS. 1 and 2, and therefore can be made simple and inexpensive.

FIG. 5 is a block diagram showing a fifth embodiment of a recording / reproducing apparatus as an information recording apparatus according to the present invention, wherein the same parts as those in FIGS.
Reference numeral 26 denotes an audio multiplex signal detection unit that detects switching of the audio multiplex signal.

In FIG. 3, the switching timing of the audio multiplex signal of the broadcast being recorded is detected by the audio multiplex signal detection unit 26, the interval is measured by the timer 24, and the judgment unit 25 judges whether it is a commercial or not. .

In this embodiment, when switching from a normal broadcast to a commercial, the fact that the audio multiplex broadcast is switched is used, and a memory or the like is not required. Therefore, the cost can be reduced with a simple configuration.

FIG. 6 is a block diagram showing a sixth embodiment of the recording / reproducing apparatus as an information recording apparatus according to the present invention, wherein the same parts as those in FIGS.
27, an input request display unit for requesting the user to input a response as to whether or not to change the operation mode of the magnetic recording / reproducing apparatus 1, and 28, an external remote controller to which the user responds in response to the input request display unit 27 , 29 are external remote control receiving sections for receiving signals from the external remote control 28.

In the figure, when the judging section 25 detects a commercial in a signal being recorded or reproduced, the input request display section 27 may change the operation of the magnetic recording / reproducing apparatus 1 for the user. Prompts you to enter

On the other hand, the user operates the external remote controller 28
And the transmission signal is transmitted to the external remote control receiving unit 29.
Sent to the system control unit 18 from the magnetic recording / reproducing device 1
Is determined.

According to this embodiment, since the final decision is left to the user, the judgment of the commercial is ensured.

The display of the input request display unit 27 may be light, characters, voice, or warning sound.

Further, in order to more reliably detect commercials, it is also possible to combine the embodiments described above.

FIG. 7 is a perspective view showing the appearance of a recording / reproducing apparatus according to an embodiment of the present invention. A holding member that holds the unit 19 with respect to the control device 2.

As shown in the figure, the control device 2 is mounted on the upper part of the magnetic recording / reproducing device 1, and the remote control transmitting section 19 of the control device 2 is held at a position corresponding to the remote control receiving portion 7 of the magnetic recording / reproducing device 1. It is held by the member 30 to transmit and receive control signals.

FIG. 8 is an enlarged view of a main part of FIG. 7, and the same parts as those of FIG.
And a connection code for connecting the remote control transmitting unit 19 to the remote controller.

As shown in the drawing, the holding member 30 has a bellows-like structure so that it can freely correspond to the position of the remote control receiving section 7 of the magnetic recording / reproducing apparatus 1 to be connected. The present invention can be applied to the magnetic recording / reproducing apparatus described above.

[0044]

As described above, according to the present invention,
Even if the transmission time of the predetermined information is changed, it is possible to provide an excellent information recording apparatus and an information recording method capable of recording the information reliably.

[Brief description of the drawings]

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

FIG. 2 is a block diagram showing a second embodiment of the present invention.

FIG. 3 is a block diagram showing a third embodiment of the present invention.

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

FIG. 5 is a block diagram showing a fifth embodiment of the present invention.

FIG. 6 is a block diagram showing a sixth embodiment of the present invention.

FIG. 7 is a perspective view showing the appearance of the recording / reproducing apparatus according to the embodiment of the present invention.

FIG. 8 is an enlarged view of a main part of FIG. 7;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Magnetic recording / reproducing device, 2 ... Control device, 7
... Remote control receiver, 14 ... Frequency analyzer,
15: memory, 17: comparison unit, 1
9: remote control transmission unit, 20: image processing unit,
21: pattern data holding unit, 22: caption detecting unit, 23: detecting unit, 24: timer, 25: determining unit, 26: audio multiplex signal detecting unit, 30: holding member.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G11B 15/02

Claims (6)

(57) [Claims] 1. A receiving predetermined information, and recording means for recording this, a reservation unit for reserving the recording of the predetermined information, and recognizing the character information recognition means character information included in the predetermined information A time change detecting means for detecting that the transmission time of the predetermined information has been changed in accordance with a recognition result in the character information recognizing means; and An information recording apparatus, comprising: control means for changing a reserved recording time and controlling the recording means to record the predetermined information. 2. The information recording apparatus according to claim 1, wherein the time change detecting means detects a time when the transmission time of the predetermined information is advanced. 3. The information recording apparatus according to claim 1, wherein the predetermined information is a program broadcast. 4. A reservation step of setting a recording time of predetermined information, a receiving step of receiving the predetermined information, a character information recognition step of recognizing character information included in the predetermined information, and the character According to the recognition result in the information recognition step,
A time change detecting step of detecting that the transmission time of the predetermined information has been changed, and according to a detection result in the time change detecting step,
A control step of changing the recording time reserved in the reservation step and controlling to record the predetermined information. Wherein said time change detecting step, the information recording method according to claim 4, characterized in that to detect the time at which transmission time is rounded down to the predetermined information. 6. The information recording method according to claim 4 or claim 5, wherein the predetermined information is broadcast program.