1. A broadcast receiving apparatus, comprising:
a controller for descrambling broadcast data according to previously stored descrambling control information, the broadcast data corresponding to a selected broadcast program included in a channel broadcast signal received as a result of broadcast program selection.
2. The apparatus according to claim 1, wherein the descrambling control information includes at least one of an audio packet identifier (PID) comprising location information of audio data for the selected broadcast program included in the channel broadcast signal, and a video PID comprising location information of video data for the selected broadcast program included in the channel broadcast signal.
3. The apparatus according to claim 1, wherein the controller parses program association table (PAT)program map table (PMT) information included in the received channel broadcast signal, generates the descrambling control information for the selected broadcast program using the PATPMT information, compares the previously stored descrambling control information to the generated descrambling control information, descrambles corresponding broadcast data according to the generated descrambling control information when the previously stored descrambling control information is different from the generated descrambling control information, and updates the previously stored descrambling control information with the generated descrambling control information.
4. The apparatus according to claim 1, wherein, when descrambling control information for the selected broadcast program is not previously stored, the controller parses program association table (PAT)program map table (PMT) information included in the received channel broadcast signal, generates descrambling control information for the selected broadcast program using the PATPMT information, descrambles the corresponding broadcast data according to the generated descrambling control information, and stores the generated descrambling control information.
5. The apparatus according to claim 1, wherein the controller includes:
a storage unit for storing descrambling control information so as to identify the broadcast data corresponding to the selected broadcast program from broadcast data for at least one additional broadcast program; and
a descramble controller for determining whether descrambling control information for the selected broadcast program is previously stored;
wherein, when the descrambling control information for the selected broadcast program is previously stored, the descrambling controller descrambles the broadcast data corresponding to the selected broadcast program among received broadcast data according to the previously stored descrambling control information, parses program association table (PAT)program map table (PMT) information included in the received channel broadcast signal, generates descrambling control information for the selected broadcast program using the PATPMT information, compares the previously stored descrambling control information to the generated descrambling control information, descrambles the corresponding broadcast data according to the generated descrambling control information when the previously stored descrambling control information is different from the generated descrambling control information, and updates the previously stored descrambling control information with the generated descrambling control information; and
wherein, when the descrambling control information is not previously stored, the descrambling controller parses the PATPMT information included in the received channel broadcast signal, generates the descrambling control information for the selected broadcast program using the PATPMT information, descrambles the corresponding broadcast data according to the generated descrambling control information, and stores the generated descrambling control information.
6. A broadcast receiving apparatus, comprising:
a storage unit for storing descrambling control information so as to identify broadcast data for a selected broadcast program among broadcast data for at least one additional broadcast program; and
a descramble controller for determining whether descrambling control information for the selected broadcast program is previously stored; and
wherein, when the descrambling control information is previously stored, the descramble controller descrambles broadcast data corresponding to the selected broadcast program among received broadcast data according to the previously stored descrambling control information; and
wherein, when the descrambling control information is not previously stored, the descramble controller parses program association table (PAT)program map table (PMT) information included in a received channel broadcast signal, generates the descrambling control information for the selected broadcast program using the PATPMT information, descrambles the corresponding broadcast data according to the generated descrambling control information, and stores the generated descrambling control information.
7. The apparatus according to claim 6, wherein, when the descrambling control information for the selected broadcast program is previously stored, the descramble controller parses the PATPMT information included in the received channel broadcast signal, generates the descrambling control information for the selected broadcast program using the PATPMT information, compares the previously stored descrambling control information with the generated descrambling control information, descrambles the corresponding broadcast data according to the generated descrambling control information when the previously stored descrambling control information is different from the generated descrambling control information, and updates the previously stored descrambling control information with the generated descrambling control information.
8. A channel changing method in a broadcast receiving apparatus which includes a database for storing descrambling control information, said method comprising the steps of:
determining whether descrambling control information corresponding to a selected broadcast program, and included in a channel broadcast signal received by broadcast program selection, is stored in the database; and
descrambling broadcast data corresponding to the selected broadcast program among broadcast data included in the channel broadcast signal according to the stored descrambling control information when the descrambling control information corresponding to the selected broadcast program is stored in the database.
9. The method according to claim 8, wherein the descrambling control information includes at least one of an audio packet identifier (PID) comprising location information of audio data for the selected broadcast program among the broadcast data included in the channel broadcast signal, and a video PID comprising location information of video data for the selected broadcast program among the broadcast data included in the channel broadcast signal.
10. The method according to claim 8, wherein the step of descrambling the broadcast data, corresponding to the selected broadcast program among the broadcast data included in the channel broadcast signal, according to the previously stored descrambling control information comprises the sub-steps of:
parsing program association table (PAT)program map table (PMT) information included in the received channel broadcast signal, and generating the descrambling control information for the selected broadcast program using the PATPMT information;
comparing the previously stored descrambling control information with the generated descrambling control information, and descrambling the corresponding broadcast data according to the generated descrambling control information when the previously stored descrambling control information is different from the generated descrambling control information; and
updating the previously stored descrambling control information with the generated descrambling control information.
11. The method according to claim 8, further comprising the steps, when the descrambling control information corresponding to the selected broadcast program is not stored, of:
parsing program association table (PAT)program map table (PMT) information included in the received channel broadcast signal, and generating the descrambling control information for the selected broadcast program using the PATPMT information;
descrambling the corresponding broadcast data according to the generated descrambling control information; and
storing the generated descrambling control information.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A vehicle seat which is mounted in a vehicle comprising:
a pair of side frames comprised of a first side frame and a second side frame;
an S-spring that is provided in a state of tension between the pair of the side frames; and
a spring support section that is fixed to the side frames,
wherein:
the S-spring is directly fixed to and supported by the spring support section from behind, and
the number of places in which the S-spring is supported by the spring support section is decreased at the time of a collision to lengthen a deflectable portion of the S-spring.
2. The vehicle seat according to claim 1,
wherein the spring support section is formed to have a length of equal to or greater than one pitch of the S-spring in a no-load state in which a load is not applied from an occupant and discontinuously supports two or more places of a center portion between an upper end portion and a lower end portion of the curved S-spring.
3. The vehicle seat according to claim 1,
wherein:
the spring support section is an approximately L-shaped bracket fixed to the first side frame, and
the spring support section includes:
a support section that is fixed to the first side frame and supports the S-spring from behind, and
a guide section that extends and curves backward from a tip end of the support section.
4. The vehicle seat according to claim 2,
wherein:
the first side frame is formed to have an approximately U-shaped cross section which is opened toward an inside, and
the spring support section is accommodated in first the side frame.
5. The vehicle seat according to claim 1,
wherein the spring support section extends from the first side frame, to which it is fixed, toward the second side frame.