JP2001292386A - Digital broadcast receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a digital broadcast receiver capable of surely inhibiting setting of program reservation for recording when a program is only for view and the recording of which is inhibited. SOLUTION: When the program to be reserved is selected by a program table, program information of the selected program is acquired and whether or not the program is in a recordable mode is decided. When the program is in a recording inhibition mode, on screen display of only a selection frame to select whether or not the program is viewed is performed as shown in (A). When the program is in the recordable mode, on screen display of both of a selection frame to select whether or not the program is recorded and the selection frame to select whether or not the program is viewed is performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital broadcast receiver for receiving digital broadcasts, and more particularly, to a digital broadcast receiver having an improved program reservation operation.

[0002]

2. Description of the Related Art In recent years, digital broadcasting has attracted attention. In particular, digital broadcasting using a communication satellite (CS) has been rapidly spreading in the market. In digital broadcasting, program information related to the program is sent together with the program contents, and in the program information, information such as channel information of all broadcast programs for several weeks before and after, and broadcast contents, start time, end time, etc. are inserted. Have been.

Therefore, in a digital broadcast receiver,
Program reservation can be easily performed by, for example, an on-screen program table. Note that the program reservation includes a reservation only for viewing and a reservation for recording.

[0004] By the way, due to copyright issues, recording prohibition information may be added on the transmission side so that some programs cannot be recorded on the VTR. In such a case, when a program is reserved, the digital broadcast receiver adds a copy guard signal to the video signal and outputs the video signal. Therefore, it is not possible to record / reproduce and view on a VTR. This is the case for a reservation only for viewing.

[0005]

However, in a conventional digital broadcast receiver, a program reservation for recording can be set even for a program for viewing only to which recording prohibition information is added. Therefore, there has been a problem that the program is recorded on a VTR even though the program cannot be normally recorded.

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and when a program is a program for which recording is prohibited only for viewing and listening, setting of program reservation for recording can be surely prohibited. It is intended to provide a digital broadcast receiver.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems of the prior art, the present invention relates to a digital broadcast receiver for receiving a digital broadcast in which program contents and program information relating to the program are transmitted. Selecting the program information of the program selected by the selecting means, and selecting whether the selected program is a non-recordable program that cannot be recorded and can only be viewed or a recordable program that can be recorded and viewed. Determination means for determining which of the above, an on-screen display control unit that generates an on-screen signal,
A control unit configured to vary an on-screen signal generated by the on-screen display control unit when the program is determined to be a non-recordable program and when the program is determined to be a recordable program by the determination unit. It is intended to provide a digital broadcast receiver characterized by the above.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A digital broadcast receiver according to the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a flowchart showing one embodiment of the operation of the digital broadcast receiver of the present invention, FIG. 2 is a block diagram showing an example of the configuration of the digital broadcast receiver of the present invention, and FIG. 3 is the operation of the digital broadcast receiver of the present invention. FIG. 6 is a diagram showing an example of an on-screen display for explaining the following.

First, the configuration of a digital broadcast receiver according to the present invention will be described with reference to FIG. In FIG. 2, a radio wave transmitted from a satellite in a 12 GHz band is received by an antenna 1 and downconverted to a 1 GHz band by a converter 2. The output of the converter 2 is down-converted (receiver) in the digital broadcast receiver via the IF input terminal
3 is input.

The downconverter 3 extracts a required signal under the control of the control unit 10 and downconverts the signal into a baseband signal. The storage unit 11 stores information necessary for the control unit 10 to control each unit of the circuit. The baseband signal output from the downconverter 3 is input to a demodulation / error correction unit 4, where demodulation and error correction are performed. The output of the demodulation / error correction unit 4 is input to the data analysis unit 5 and is used for video data, audio data, or
The program information other than the video data and the audio data is separated.

The video data obtained by the data analysis unit 5 is input to a video decompression decoding unit 6, where the video data is subjected to decompression decoding and converted into a normal digital video signal. The output of the video expansion decoding unit 6 is input to the video signal conversion unit 7, converted into an analog video signal, and output to the outside.
The audio data obtained by the data analysis unit 5 is input to the audio decompression decoding unit 8 and subjected to decompression decoding processing to be converted into a normal digital audio signal. The output of the audio expansion decoding unit 8 is an audio D / A conversion unit (audio DAC)
9 is converted into an analog audio signal and output to the outside.

Further, the data decoding unit 5 discriminates a program only for viewing (viewing mode) or a recordable program (recordable mode) from the program information, and inputs the discrimination result to the control unit 10. When an on-screen display of a program table or the like is instructed by a remote control transmitter or the like (not shown), the control unit 10 controls an on-screen display control unit (OSD) 12 to transmit an on-screen signal to the video signal conversion unit 7. input. The video signal converter 7 combines the video signal with an on-screen signal and outputs the synthesized signal, or outputs an on-screen signal instead of the video signal.

Next, the operation of the digital broadcast receiver according to the present invention will be described with reference to FIG. In FIG. 1, when a viewer makes a program reservation, the program reservation mode is first displayed in a menu in step S1. In the program reservation mode, for example, a program guide is displayed on screen. Then, in step S2, a program to be reserved is selected by, for example, a cursor. In step S3, the program information of the selected program is searched for and obtained. In step S4, it is determined from the program information obtained in step S3 whether or not the program is in the recordable mode.

If only the viewing mode is set, that is, if the mode is the recording prohibition mode, a selection frame for only the viewing mode is displayed in step S5. FIG. 3A shows an example of the on-screen display in the viewing mode. As shown in FIG. 3 (A), a selection frame for viewing (OK) or not (NO) is displayed. In step S6, it is determined whether a reservation can be made, that is, FIG.
It is determined whether OK or NO in (A) has been input. If OK is selected, the setting is made in the viewing mode in step S7, and the process ends. If NO is selected, step S1
If it is 0, the program ends without program reservation.

On the other hand, if it is determined in step S4 that the mode is the recordable mode, in step S8, the selection frames of both the viewing mode and the record mode are displayed. An example of the on-screen display in this case is shown in FIG. As shown in FIG. 3B, a selection frame for recording (OK) or not recording (NO) and a selection frame for viewing (OK) or not (NO) are displayed. In step S9, it is determined whether the reservation is in the viewing mode or the recording mode.

If none is selected in step S9, or if NO is selected in both cases, step S9 is executed.
At 10, the program ends without program reservation. If OK is selected in the viewing mode, the process is set in the viewing mode in step S7, and the process ends. If OK is selected in the recording mode, step S11
Then, set in the recording mode and finish.

As can be seen by comparing FIGS. 3A and 3B, in the present invention, when the program is a viewing-only program (recording prohibition mode), the display of the selection frame for recording reservation is prohibited. So you can prohibit the setting of recording reservation,
Therefore, it is possible to eliminate the problem that a program for viewing only is recorded on the VTR. In FIG. 3B, a selection frame for program reservation for recording and a selection frame for program reservation for viewing are displayed at one time, but they may be displayed separately.

[0018]

As described in detail above, the digital broadcast receiver according to the present invention extracts the program information of the program selected by the selecting means for selecting the program, and selects the program information of the program selected by the selecting means. Determining means for determining whether the program is a non-recordable program that cannot be recorded and can only be viewed, or a recordable program that can be recorded and viewed; an on-screen display control unit that generates an on-screen signal; A control unit that makes an on-screen signal generated by the on-screen display control unit different when the program is determined to be a non-recordable program and when the program is determined to be a recordable program. In the case where the program is a viewing-only program for viewing only, it is possible to reliably prohibit the setting of the program reservation for recording.

[Brief description of the drawings]

FIG. 1 is a flowchart showing one embodiment of the operation of the present invention.

FIG. 2 is a block diagram illustrating a configuration example of the present invention.

FIG. 3 is a diagram showing an example of an on-screen display for explaining the operation of the present invention.

[Explanation of symbols]

 Reference Signs List 1 antenna 2 converter 3 down converter 4 demodulation / error correction unit 5 data analysis unit 6 video expansion decoding unit 7 video signal conversion unit 8 audio expansion decoding unit 9 audio D / A conversion unit 10 control unit 11 storage unit 12 on-screen display control Department

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification code FI Theme coat ゛ (Reference) H04N 7/03 7/035

Claims (2)

[Claims] 1. A digital broadcast receiver for receiving a digital broadcast to which program information relating to a program is transmitted together with the contents of the program, a selecting means for selecting a program, and extracting program information of the program selected by the selecting means. Determining means for determining whether the selected program is a non-recordable program that cannot be recorded and can only be viewed or a recordable program that can be recorded and viewed, and an on-screen that generates an on-screen signal A display control unit, and a control unit that makes an on-screen signal generated by the on-screen display control unit different between when the program is determined to be a non-recordable program and when the program is determined to be a recordable program by the determination unit. A digital broadcast receiver characterized by comprising: 2. The on-screen display control section, when it is determined that the program is a non-recordable program, an on-screen signal not including a display for selecting whether or not to record the program selected by the selecting means. Generating an on-screen signal including a display for selecting whether or not to record the program selected by the selection means when the program is determined to be a recordable program. 2. The digital broadcast receiver according to 1.