JP4664732B2 - Recording device - Google Patents

Description

  The present invention relates to a recording apparatus, and more particularly to a recording apparatus configured to receive a broadcasted program and a program code added to the program, and start or stop recording of the program based on the received program code. About.

  A conventional recording apparatus includes a program code decoder that extracts and decodes a program code (VPS: Video Program System) added to a program from a broadcast signal of a received program. The program code is program-specific data added to the program broadcast from the broadcast station, and while the one program is being transmitted from the broadcast station, the same program code is continuously added to the program and transmitted. When the broadcast of one program ends, a program code different from the program code, that is, a program code unique to the next broadcast program is broadcast.

  When the recording of the program is started, the recording device stores the program code of the program to be recorded in the RAM, and continues to record the program while receiving the same program code as the program. When a program code different from the stored program code is received, the recording of the program is stopped.

In a conventional recording apparatus, even when the broadcast end time of a program desired to be recorded is extended, when the program is recorded to the end and a different program code is received, that is, when the program broadcast ends Recording can be stopped.
JP-A-2-20244

  However, in the conventional recording apparatus, when the previous program of the program desired to be recorded is extended, the program code of the previous program is stored at the preset recording start time and the recording is started. There is a problem that a desired program to be broadcast next may not be recorded.

  In addition, when one program is recorded, when a special program to which a program code different from the program code of the one program is added is received, the recording of the one program is stopped. There is a problem that even if the broadcasting of the one program is resumed, the one program cannot be recorded.

  The present invention has been made in view of such circumstances, stores a program code received a predetermined time before the set time, and starts recording when the program code received at the set time and the stored program code do not match With this configuration, even if a program scheduled to end before the set time is extended, the extended program can be recorded from the beginning without recording the extended program. An object is to provide an apparatus.

  Further, by storing the program code received when recording is started, and when the stored program code and the program code received when recording the program do not match, the recording is paused. Another object of the present invention is to provide a recording apparatus capable of temporarily stopping recording when another program different from the program being recorded is received and preventing recording other programs that do not require recording. .

  Furthermore, before the recording is paused, the recording is resumed when the program code received when the program recording is paused and the program code received when the recording is started match. It is another object of the present invention to provide a recording apparatus capable of continuously recording a program having the same program code as the recorded program.

  Still another object of the present invention is to provide a recording apparatus capable of stopping recording of a program whose broadcasting has been stopped by stopping recording of the program when the recording of the program is suspended for a predetermined time or more. .

  Furthermore, when the recording of the program is paused, the recording stop time of the set program is delayed, so that even if the broadcast end time is delayed because the recording is paused, Another object of the present invention is to provide a recording apparatus capable of recording up to the above.

  Furthermore, when recording of a program is started from a time later than the set time, the program is scheduled to end before the set time by extending the recording stop time of the set program. Another object is to provide a recording apparatus capable of recording a program to the end even when the end time is delayed.

  Furthermore, it is intended to provide a recording apparatus capable of suppressing power consumption by stopping the reception of the program code by the receiving unit when the program code received a predetermined time before the set time is stored. For other purposes.

A recording apparatus according to the present invention includes a program having an image, a receiving unit that is added to the program and receives a program code corresponding to the program, a recording unit that records the program received by the receiving unit, and a program a receiving means for receiving a set time to start recording, the recording apparatus provided with timing means, when said accepting means the clock means for a predetermined time before the time from the set time the accepted is counted, the said set time An acquisition means for sequentially acquiring a program code received by the receiving means at an arbitrary time after the time measuring means has timed and the time measuring means has timed the set time; and a time before the predetermined time storage means for clocking means for storing a program code at said acquisition means acquires that counted, the program code及said timekeeping means is at said acquisition means has timed the set time was obtained A determination unit configured to determine whether the program codes stored in the storage unit match; and a start unit configured to start recording of the program by the recording unit when the determination unit determines NO. And

  In the present invention, the obtaining means obtains one program code added to a program received at a time before a predetermined time from the set time, and the storage means stores the obtained one program code. When the determination unit determines that the program code acquired by the acquisition unit at the set time and the program code stored by the storage unit do not match, the start unit starts recording of the program by the recording unit. Accordingly, when the program before the program broadcast from the set time is extended, the extended program is not recorded.

In the recording apparatus according to the present invention, when it is determined that the determination unit is coincident, the program code acquired by the acquisition unit at any time after the timing unit measures the set time and the storage unit Is provided with means for causing the determination means to determine whether or not the stored program codes match.

  In the present invention, when the determination unit determines that the program code acquired by the acquisition unit a predetermined time before the set time matches the program code acquired at the set time, that is, the set time and the If the program received before the set time is the same, the program code acquired by the acquisition means after the set time matches the program code acquired at the set time without starting recording the program. It is determined whether or not it continues. Then, if the determination means determines NO, that is, if the program received after the set time is different from the program received before a predetermined time before the set time, the start means starts recording the program.

In the recording apparatus according to the present invention, when the start unit starts recording a program, the program unit obtains the program code acquired by the acquisition unit when the program starts recording after the time measuring unit times the set time. It is determined whether the storage means and the program code acquired by the acquisition means when the recording of the program starts and the program code acquired by the acquisition means after the recording means starts recording the program are determined. And a post-start determination unit, and when the recording unit is recording a program, the post-start determination unit includes a pause unit that pauses the recording of the program when the post-start determination unit determines NO. Features.

  According to the present invention, when the start unit starts recording a program, the program code acquired by the acquisition unit, that is, the program code of the program to be recorded is stored. And when the determination means determines that the program code acquired by the acquisition means when the recording means starts recording the program and the program code acquired by the acquisition means after starting the recording, that is, When the receiving unit receives a program different from the program received when the recording is started, the stopping unit temporarily stops the recording of the program by the recording unit. Therefore, only programs to which the same program code is added can be recorded.

  In the recording apparatus according to the present invention, when the recording unit pauses the recording of the program, the resuming unit restarts the recording of the program by the recording unit when it is determined that the determination unit after the start matches. It is characterized by providing.

  According to the present invention, when recording of a program is paused, when it is determined that the program code acquired by the acquisition means and the program code acquired by the acquisition means when recording is started, That is, when the same program as the program that was recorded before the recording is paused is received again, the recording of the program by the recording means is resumed. Therefore, even when another program is interrupted and broadcast in the middle of one recorded program, only one program can be recorded to the end.

  The recording apparatus according to the present invention is characterized by comprising means for stopping recording of a program when the time measuring means has timed a predetermined time after the recording means has temporarily stopped recording.

  According to the present invention, when the recording is paused for a predetermined time or longer, the recording of the program by the recording means is stopped. Therefore, when the broadcast of the recorded program is stopped, the recording of the program by the recording means can be stopped.

  The recording apparatus according to the present invention includes means for receiving a recording stop time for stopping recording of a program, and means for changing the recording stop time to a time after the recording stop time when the recording means pauses recording. It is characterized by providing.

  According to the present invention, when the determination unit determines that the program code acquired at the set time matches the program code acquired at a predetermined time before the set time, the program broadcast from the set time is extended. However, there is a possibility that the broadcast end time of the program broadcast next to the program is delayed, but the recording stop time is set to a time later than the recording stop time, for example, a time after the delay time of the broadcast end time. By changing the program, the program can be recorded to the end.

The recording apparatus according to the present invention determines whether or not the time for starting recording is delayed from the set time when it is determined that the means for receiving the recording stop time for stopping the recording of the program and the determination means are not matched. And a means for changing the recording stop time to a time later than the recording stop time when it is determined that the recording start time is later than the set time .

  According to the present invention, when the recording means pauses the recording of the program, the broadcast end time of the program may be delayed, but the recording stop time is set to a time after the recording stop time, such as a pause time. By changing to the later time, the program can be recorded to the end.

  The recording apparatus according to the present invention includes means for stopping reception of the program code by the receiving means when the storage means stores a program code when the time measuring means measures a time before a set time. It is characterized by that.

  According to the present invention, when the program code received at a predetermined time before the set time is stored, reception of the program code by the receiving means is stopped. That is, it is possible to stop the reception of the program code by the receiving means for a predetermined time when the process using the received program code is not performed, and to suppress the power consumption by the receiving means.

  According to the present invention, even if a program scheduled to end broadcasting is extended before the set time, the extended program can be recorded from the beginning without recording the extended program.

  According to the present invention, when another program different from the program being recorded is received, it is possible to temporarily stop the recording and prevent other programs that do not require recording from being recorded.

  According to the present invention, it is possible to continuously record a program having the same program code as that recorded before the recording is paused.

  According to the present invention, it is possible to stop recording a program whose broadcasting has been stopped.

  According to the present invention, it is possible to record a program to the end even when the broadcast end time is delayed because recording is paused.

  According to the present invention, even when the broadcast end time is delayed because the program scheduled to end before the set time is extended, the program can be recorded to the end.

  According to the present invention, since the receiving unit stops receiving while the process relating to the program code is not executed, the power consumption of the receiving unit can be suppressed.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.
(Embodiment 1)
FIG. 1 is a block diagram of a recording apparatus according to Embodiment 1 of the present invention. In the figure, reference numeral 1 denotes a tuner circuit (reception means). A broadcast signal including a program and a program code received by the antenna A is input to the tuner circuit 1. The program code is program-specific data added to the program broadcast from the broadcast station, and while the one program is being transmitted from the broadcast station, the same program code is continuously added to the program and transmitted. When the broadcasting of one program ends, a program code different from the program code is broadcast.

  The tuner circuit 1 selects a specific program from the input broadcast signal, and outputs the broadcast signal of the selected program to the signal processing circuit 2. Tuning by the tuner circuit 1 is controlled by a control unit 4 using a microcomputer.

  An operation unit 9 having a numeric keypad, a cancel button, an enter button, and the like is connected to the control unit 4, and the control unit 4 detects the operation state of the operation unit 9 to start recording a program. Accepts the set time and recording channel. The control unit 4 controls channel selection, recording, and the like by the tuner circuit 1 based on the received set time and recording channel. The control unit 4 includes a ROM 6 storing a program for executing processing relating to recording and a RAM 7 for temporary storage, and has a built-in clock unit 4a (time measuring means) for measuring time t. The clock unit 4a has a function of measuring time t and a timer function of measuring time.

  The signal processing circuit 2 is a detection circuit that detects video and audio signals from the broadcast signal output from the tuner circuit 1, an AD conversion circuit that converts the detected video and audio signals into digital video data and audio data, and AD conversion A compression / decompression circuit for compressing video data and audio data by a predetermined compression / decompression method is provided. The signal processing circuit 2 gives the compressed video data and audio data to the recording unit 5. The signal processing circuit 2 gives the broadcast signal output from the tuner circuit 1 to the program code decoder 3.

  The recording unit 5 modulates the video data and audio data given from the signal processing circuit 2 according to the recording medium M such as a hard disk and a DVD, and records the modulated video data and audio data on the recording medium M, that is, selects them. Record the broadcast program.

  The program code decoder 3 sequentially extracts the program code from the broadcast signal given from the signal processing circuit 2, AD-converts the extracted program code, decodes it, and outputs it to the control unit 4.

  A liquid crystal display unit 8 is connected to the control unit 4. The display unit 8 displays the set time, recording channel, and the like based on the signal output from the control unit 4. The recording apparatus further includes a tuner circuit 1, a signal processing circuit 2, a program code decoder 3, and a power supply unit 10 that supplies power to the recording unit 5. Power supply by the power supply unit 10 and stop of power supply are controlled by the control unit 4.

  2 and 3 are flowcharts showing a processing procedure related to recording by the control unit 4. The control unit 4 receives the set time and the recording channel by detecting the operation state of the operation unit 9 (step S1). Specifically, the control unit 4 detects the operation state of the numeric keypad, writes four numbers corresponding to the operated numeric keypad to the RAM 7 as the set time and minutes, and the number corresponding to the operated numeric keypad. Is output to the display unit 8. And when operation of a decision button is detected, reception of set time is completed. Similarly, by detecting the operation state of the numeric keypad, a recording channel corresponding to the operated numeric keypad is written in the RAM 7.

  And the control part 4 detects the time-measurement result of the timepiece part 4a, and determines whether the timepiece part 4a has timed ten minutes before the set time which RAM7 has memorize | stored (step S2). When it is determined that the clock unit 4a is measuring 10 minutes before the set time (step S2: YES), the control unit 4 outputs a control signal for starting power feeding by the power feeding unit 10 to the power feeding unit 10 (step S3). ). When the control signal is output, the power feeding unit 10 starts power feeding to the tuner circuit 1, the signal processing circuit 2, the program code decoder 3, the recording unit 5, and the like.

  Next, the control unit 4 outputs a control signal for selecting a program of the recording channel stored in the RAM 7 to the tuner circuit 1 (step S4). Next, the control unit 4 acquires the program code output from the program code decoder 3 (step S5), and writes the acquired program code in the RAM 7 (step S6). And the control part 4 outputs the control signal which stops the electric power feeding by the electric power feeding part 10 to the electric power feeding part 10 (step S7).

  When the process of step S7 is completed, or when it is determined in step S2 that the clock unit 4a has not timed 10 minutes before the set time (step S2: NO), the control unit 4 counts the time measurement result of the clock unit 4a. Is detected, and it is determined whether or not the clock unit 4a is measuring the set time (step S8). When it determines with it being no (step S8: NO), the control part 4 returns a process to step S2. When it is determined that the clock unit 4a is measuring the set time (step S8: YES), the control unit 4 starts power supply by the power supply unit 10 (step S9) and acquires a program code from the program code decoder 3 (step S9). Step S10).

  And the control part 4 determines whether the program code acquired by step S10 and the program code which RAM7 memorize | stored, ie, the program code before setting time, correspond (step S11). When it determines with matching (step S11: YES), the control part 4 returns a process to step S10. If it is determined that they do not match (step S11: NO), the control unit 4 writes the program code determined not to match, that is, the program code acquired in step S10, into the RAM 7 (step S12), and a temporary stop flag. Is set to 0 (step S13). The pause flag is data for indicating whether or not recording is paused. At the start of recording, 0 indicating that recording is in progress is set in the pause flag.

  Next, the control unit 4 outputs a control signal for starting recording of the program by the recording unit 5 to the recording unit 5 (step S14). The control unit 4 acquires the program code output from the program code decoder 3 (step S15), and the acquired program code matches the program code stored in the RAM 7 in step S12, that is, the program code at the start of recording. It is determined whether or not (step S16).

  If it is determined that they match (step S16: YES), the control unit 4 determines whether or not the temporary stop flag is 1 (step S17). When it is determined that the pause flag is 1 (step S17: YES), that is, when the recording unit 5 is paused, the control unit 4 sets 0 to the pause flag (step S18). Then, a control signal for resuming the recording of the program by the recording unit 5 is output to the recording unit 5 (step S19). When the process of step S19 is completed, or when it is determined in step S17 that the temporary stop flag is not 1 (step S17: NO), the control unit 4 returns the process to step S15.

  When it is determined in step S16 that they do not match (step S16: NO), the control unit 4 outputs a control signal for temporarily stopping the recording of the program by the recording unit 5 to the recording unit 5 (step S20).

  Next, the control unit 4 determines whether or not the temporary stop flag is 0 (step S21). When it is determined that the pause flag is 0 (step S21: YES), the control unit 4 starts measuring the recording pause time (step S22) and sets 1 to the pause flag (step S23). .

  When the process of step S23 is completed, or when it is determined in step S21 that the pause flag is not 0 (step S21: NO), the control unit 4 has passed a predetermined time, for example, 30 minutes after the recording is paused. It is determined whether or not (step S24). That is, the control unit 4 determines whether or not the pause time is a predetermined time or more. When it is determined that the predetermined time has elapsed (step S24: YES), the control unit 4 outputs a control signal for stopping the recording by the recording unit 5 to the recording unit 5 (step S25), and ends the processing relating to the recording. When it determines with predetermined time not having passed (step S24: NO), the control part 4 returns a process to step S15.

  In the recording apparatus according to the first embodiment, even if the program scheduled to be broadcast before the set time is extended, the program broadcast next to the extended program is recorded from the beginning to the end. be able to.

In addition, when another program different from the program being recorded is received, the recording can be paused to prevent a program that does not require recording from being recorded.
Further, when the recording of the program that has been recorded is resumed when the recording is paused, the recording of the program can be resumed by the processing of steps S16 and S19, and only the desired program is recorded. be able to.

  Furthermore, since the recording of the program is stopped when the recording pause time is a predetermined time or more, it is possible to record only the program desired to be recorded without setting the recording stop time. In addition, when broadcasting of a program desired to be recorded is stopped, the recording can be automatically stopped.

  Furthermore, since the power supply by the power supply unit 10 is stopped until the set time after the program code is stored in step S6, useless power consumption while the program is not recorded can be suppressed.

(Embodiment 2)
The recording apparatus according to the second embodiment of the present invention includes a tuner circuit 1, a signal processing circuit 2, a program code decoder 3, a control unit 4, a clock unit 4a, a recording unit 5, a ROM 6, a RAM 7, A display unit 8, an operation unit 9, and a power feeding unit 10 are provided.

  4 and 5 are flowcharts showing a processing procedure related to recording by the control unit 4 according to the second embodiment. The control unit 4 receives the set time, the recording stop time, and the recording channel by detecting the operation state of the operation unit 9 (step S101).

  Next, the control unit 4 executes the processing from step S102 to step S111 regarding the start of recording of the program. The processing from step S102 to step S111 is the same as the processing from step S2 to step S11 according to the first embodiment shown in FIG.

  If it is determined in step S111 that the program code before the set time and the acquired program code do not match (step S111: NO), the control unit 4 detects the time measurement result of the clock unit 4a, and the clock unit 4a It is determined whether or not a time t later than the set time is being measured (step S112). When it is determined that the clock unit 4a is measuring the time t after the set time (step S112: YES), the control unit 4 sets the recording stop time to a time 30 minutes after the recording stop time. Change (step S113).

  When the process of step S113 is completed, or when it is determined in step S112 that the clock unit 4a is measuring the time t before the set time (step S112: NO), the control unit 4 records the recording acquired in step S110. The program code at the start is written in the RAM 7 (step S114). And the control part 4 sets 0 to a temporary stop flag (step S115).

  Next, the control unit 4 outputs a control signal for starting recording of the program by the recording unit 5 to the recording unit 5 (step S116). And the control part 4 detects the time-measurement result of the timepiece part 4a, and determines whether the timepiece part 4a has timed the video recording stop time which RAM7 has memorize | stored (step S117). When it is determined that the clock unit 4a is measuring the recording stop time (step S117: YES), the control unit 4 outputs a control signal for stopping the recording by the recording unit 5 to the recording unit 5 (step S118). Processing related to recording ends. When it is determined that the clock unit 4a has not timed the recording stop time (step S117: NO), the control unit 4 acquires the program code output from the program code decoder 3 (step S119).

  Next, the control unit 4 determines whether or not the program code matches the program code stored in the RAM 7 in step S114 (step S120). If it is determined that they do not match (step S120: NO), the control unit 4 outputs a control signal for temporarily stopping the recording by the recording unit 5 to the recording unit 5 (step S121).

  Next, the control unit 4 determines whether or not the temporary stop flag is 0 (step S122). When it is determined that the pause flag is 0 (step S122: YES), the control unit 4 starts measuring the pause time for paused recording (step S123), and sets 1 to the pause flag ( Step S124). When the process of step S124 is completed, or when it is determined in step S122 that the temporary stop flag is not 0 (step S122: NO), the control unit 4 returns the process to step S117.

  If it is determined in step S120 that they match (step S120: YES), the control unit 4 determines whether or not the temporary stop flag is 1 (step S125). When it is determined that the temporary stop flag is 1 (step S125: YES), the temporary stop flag is set to 0 (step S126). Then, the control unit 4 changes the recording stop time to a time after the stop time from the recording stop time (step S127). The control unit 4 writes the changed recording stop time in the RAM 7. Next, a control signal for resuming recording of the program by the recording unit 5 is output to the recording unit 5 (step S128). When the process of step S128 is completed, or when it is determined in step S125 that the temporary stop flag is not 1 (step S125: NO), the control unit 4 returns the process to step S117.

  In the recording apparatus according to the second embodiment, when the recording start time is delayed from the set time received by the control unit 4 in step S101, the recording stop time is set as the recording stop time by the process in step S113. Since the time is changed to a time after a predetermined time, the program can be recorded to the end even if the program before the program desired to be recorded is extended.

  When the recording of the program is paused during the recording of the program, the recording stop time is changed to a time after the pause time by the process of step S127. Can be recorded.

  Other processes, configurations, operations, and effects of the recording apparatus according to the second embodiment are the same as the processes, configurations, functions, and effects of the recording apparatus according to the first embodiment. The detailed description is omitted.

1 is a block diagram of a recording apparatus according to Embodiment 1 of the present invention. It is a flowchart which shows the process sequence regarding the video recording of a control part. It is a flowchart which shows the process sequence regarding the video recording of a control part. 12 is a flowchart illustrating a processing procedure related to recording by a control unit according to the second embodiment. 12 is a flowchart illustrating a processing procedure related to recording by a control unit according to the second embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tuner circuit 2 Signal processing circuit 3 Program code decoder 4 Control part 4a Clock part 5 Recording part 6 ROM
7 RAM
8 Display unit 9 Operation unit 10 Power feeding unit A Antenna M Recording medium

Claims (8)

A program having an image and a receiving means for receiving a program code corresponding to the program; a recording means for recording the program received by the receiving means; and a set time for starting the recording of the program. In a recording apparatus comprising a receiving means for receiving and a time measuring means,
When said reception means and said counting means for a predetermined time before the time from the set time that is accepted is counted, the time the set time the clock means is clocking, and the clock means any after counting the set time Obtaining means for sequentially obtaining the program code received by the receiving means at a time ;
Storage means for storing the program code acquired by the acquisition means when the time measurement means time the time before the predetermined time;
Determining means for determining whether or not the program code acquired by the acquiring means and the program code stored in the storage means match when the time measuring means measures the set time;
A recording apparatus comprising: start means for starting recording of a program by said recording means when said determination means determines NO. If it is determined that the determination means match, the program code acquired by the acquisition means and the program code stored by the storage means match at an arbitrary time after the time measuring means measures the set time. The recording apparatus according to claim 1, further comprising: a unit that causes the determination unit to determine whether or not the recording is performed. Means for storing the program code acquired by the acquisition means when the recording means starts after the time measurement means time the set time when the start means starts recording the program;
After the start determining means for determining whether or not the acquisition unit is a program code and said recording unit acquired the program code obtained by the obtaining unit after starting the recording of the program is consistent at the start of recording of the program When,
2. The apparatus according to claim 1, further comprising: a pause unit that pauses the recording of the program by the recording unit when the recording unit is recording a program and the post-start determining unit determines NO. The recording device according to claim 2. And resuming means for resuming recording of the program by the recording means when the recording means pauses the recording of the program and the judging means after the start is determined to match. The recording device according to claim 3. 5. The recording according to claim 3, further comprising means for stopping the recording of the program when the time measuring unit times a predetermined time after the recording unit temporarily stops the recording. apparatus. Means for accepting a recording stop time for stopping recording of the program;
6. The apparatus according to claim 3, further comprising: a unit that changes a recording stop time to a time later than the recording stop time when the recording unit pauses the recording. Recording device. Means for accepting a recording stop time for stopping recording of the program;
Means for determining whether or not the time to start recording is later than the set time when it is determined that the determination means do not match ;
A means for changing the recording stop time to a time later than the recording stop time when it is determined that the recording start time is delayed from the set time . The recording device according to one. 2. The apparatus according to claim 1, further comprising means for stopping reception of the program code by the receiving means when the storage means stores a program code when the time measuring means measures a time before a set time. The recording device according to claim 7.

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