WO2002025936A2 - Follow up correction to epg for recording systems to reset requests for recordings - Google Patents

Follow up correction to epg for recording systems to reset requests for recordings Download PDF

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Publication number
WO2002025936A2
WO2002025936A2 PCT/EP2001/010314 EP0110314W WO0225936A2 WO 2002025936 A2 WO2002025936 A2 WO 2002025936A2 EP 0110314 W EP0110314 W EP 0110314W WO 0225936 A2 WO0225936 A2 WO 0225936A2
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WO
WIPO (PCT)
Prior art keywords
epg
recording
recorded
program
corrected
Prior art date
Application number
PCT/EP2001/010314
Other languages
French (fr)
Other versions
WO2002025936A3 (en
Inventor
William P. Lord
Original Assignee
Koninklijke Philips Electronics N.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Priority to EP01980347A priority Critical patent/EP1323299A2/en
Priority to JP2002529017A priority patent/JP2004509575A/en
Priority to KR1020027006360A priority patent/KR20020054348A/en
Publication of WO2002025936A2 publication Critical patent/WO2002025936A2/en
Publication of WO2002025936A3 publication Critical patent/WO2002025936A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/2625—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for delaying content or additional data distribution, e.g. because of an extended sport event
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums

Definitions

  • EPG Electronic Program Guides
  • PVRs Personal Video Recorders
  • VCRs Voice Callers
  • EPGs Electronic Datagrams
  • the PVRs also use EPGs and make a daily phone call to download the EPG.
  • the user scrolls through the PVR's EPG to select programs that are to be recorded.
  • These systems simplify the recording process by no longer requiring the user to enter the date, start time, length, and channel number of the program to be recorded. Instead, by scrolling through the EPG, the user selects the title that the user wishes to record.
  • the PVR automatically knows the date, start time, length and channel number from the EPG and records the program.
  • the recording device will then detect when it recorded an incorrect show and either delete the show and/or set itself up again to record the rescheduled show by searching the EPG for the rescheduled show.
  • Figs. 1 A and IB show a PVR in accordance with the invention
  • Fig. 2a shows an EPG schedule which is sent to the PVR on Wednesday morning
  • Fig. 2b shows the selection of a tennis match to be recorded on Wednesday evemng
  • Figs. 2c and 2e show several forms of the corrected EPG data which may be sent to the PVR on Sunday morning;
  • Fig. 2d shows that the PVR has selected the rescheduled tennis match to be recorded based on the corrected EPG data
  • Fig. 3 shows a flow chart in accordance with the invention. Detailed description of the preferred embodiments
  • Fig. la shows a video recording system in accordance with a preferred embodiment of the invention.
  • a PVR 10 is connected to a television 11 and to the phone system 12 (or other communication path) to receive the EPG data.
  • the EPG 13 is displayed on the television 11 and provides a cursor for navigating through the program menus.
  • the broadcast source (e.g. TV antenna, cable, satellite) 15 provides the TV content to be recorded.
  • Fig. lb shows some components of the PVR 10. It includes a controller 30, a remote control 2, a modem 14, an EPG memory 20, an EPG correction memory 21, a comparator 24, an on-screen display generator 26, a record list memory 27, a clock 31 , a tuner 32, an encoder 33, a hard disk 23 and a decoder 34.
  • the PVR 10 makes a telephone call via telephone line 12 and modem 14 each morning to download the EPG to the EPG memory 20.
  • Using the user interface 13 generated by the on-screen generator 26 a user navigates through the menus to select a program to be recorded.
  • the PVR 10 records the selected program and stores it on the hard drive 23.
  • the corrected EPG data is stored 21 and compared 24 with the previous day's recordings 27.
  • the comparator 24 determines whether or not the corrected EPG data involves the same time and channel number of any previous day's recording. If it did, then the PVR searches in the EPG memory 20 for the program title which was supposed to be recorded previously to see if it is in the upcoming program schedules. If it finds the rescheduled program or another showing of the same program, or a subsequent episode it automatically programs itself to record that showing.
  • Figs. 2a-2e show an example of the EPG's and corrected EPG.
  • At 8 PM on Wednesday night there are various shows that can be selected to be recorded. None of these shows are selected but there is a baseball game which will be shown on channel 3 which starts at 8 PM.
  • the broadcaster anticipates that the baseball game will end at 10 PM, so as seen in Fig. 2b, the tennis match is supposed to be shown next on channel 3 at 10 PM.
  • the user navigates through the EPG and selects the tennis match for recording and the PVR knows that the tennis match is on Wednesday night at 10 PM on channel 3 for two hours. The PVR then records this channel during this time period.
  • the corrected EPG data Figs. 2c and 2e indicates that the Wednesday night baseball game on channel 3 did not end at 10 PM, but ended at 11 :30 PM. This is 1 1/2 hours into the tennis match.
  • This corrected EPG data is shown in Figs. 2c and 2e but typically not displayed to the user. It is more likely sent in a database format as shown in Fig. 2e.
  • the PVR compares the corrected EPG data to the previous programs selected to be recorded to determine if there was a program selected to be recorded on Wednesday night on channel 3 from 10:00-11 :30 PM.
  • the PVR Since the user selected to record the tennis match at this time, the PVR now knows it recorded an incorrect program from 10:00-12:00 midnight or didn't record the entire tennis match because it started late. At this point the PVR could delete the recording (i.e. permit recording over the program erroneously recorded) it recorded Wednesday night or keep it if part of the tennis match was in fact recorded. In this case the corrected EPG data shows that the baseball game ended at 11 :30 p.m. and the news was shown from 11 :30 p.m. to 12 midnight. The PNR then searches the new EPG data for the tennis match. The PNR finds that it was rescheduled to be shown on channel 3 at 10 PM on Thursday. It automatically programs itself to record this showing of the tennis match on Thursday night.
  • ER may not be rescheduled but the PNR would just select the next week's showing of "ER" to record.
  • Fig. 3 shows a flow chart of a preferred embodiment of the invention.
  • the PNR receives the EPG data 40.
  • the user selects from the EPG data a program to be recorded 41.
  • the PVR knows from the program title, the channel number, time, and program length, the length of time it is supposed to record and records at that time 42.
  • the PVR then receives corrected EPG data 43.
  • the PVR compares the corrected EPG data to either the previous EPG data to find the changes and then compares the changes to the program record list 44 or if only the changes have been sent then compares the changes to the programs that were selected to be recorded 44. From this comparison 44 the PVR determines whether any programs were incorrectly recorded. If not then the PVR does nothing 46.
  • the PVR searches the new EPG data for the rescheduled showing of the program or the next time the program is to be shown 45 and sets itself up to record the next showing.
  • the PVR then can erase or write over the incorrect recordmg 47 and/or inform the user when an erroneous or incomplete recording has occurred and if and when a corrected recording will occur.
  • the system may also include an option for the user to delete the erroneous recording.
  • the invention has been described with reference to a PVR but obviously it can be implemented with other recording devices such as VCR's and perhaps in the future DVD's etc.
  • other recording devices such as VCR's and perhaps in the future DVD's etc.
  • receive the EPG's and the corrected EPG data such as via the cable connection, the internet or, as described, over the telephone lines etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Strategic Management (AREA)
  • Television Signal Processing For Recording (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

A method and device for determining whether an incorrect recording occurred on a recording device. Electronic Program Guide (EPG) information is used to select a program to be recorded. Corrected EPG data is sent after the recording and compared to the time, channel and length of recording to determine if an incorrect recording took place due to a change in scheduling. If so the recording device searches the EPG data for another showing of the program and if found records the next showing.

Description

Follow up correction to EPG for recording systems to reset requests for recordings
Background of the invention
Many known recording systems provide programming information in the form of Electronic Program Guides (EPG) to the recording system. Some EPGs are broadcast continuously such as those from the cable operator while others are downloaded to the recording system on some periodic basis. Many EPGs are interactive and let the user select a program to record from the EPG by moving a highlighted cursor to a program name and selecting the program.
Personal Video Recorders (PVRs) are becoming increasingly popular such as the TIVO personal video recorder. PVRs use a hard drive to record programs rather than using a tape such as in a VCR. The PVRs also use EPGs and make a daily phone call to download the EPG. The user scrolls through the PVR's EPG to select programs that are to be recorded. These systems simplify the recording process by no longer requiring the user to enter the date, start time, length, and channel number of the program to be recorded. Instead, by scrolling through the EPG, the user selects the title that the user wishes to record. The PVR automatically knows the date, start time, length and channel number from the EPG and records the program.
There are problems with the known systems. Since the program information is loaded on some periodic basis such as early in the morning every day, any subsequent change to that day's schedule is not know to the EPG. This leads to cases when material is unsuccessfully recorded such as when material not requested gets recorded and material requested does not get recorded. For example, when a baseball game extends to 15 innings instead of the normal 9, the game can run 2-3 hours over schedule, pre-empting other programs that the user may wish to record. The PVR will end up recording the late innings of this game instead of the original program the user wanted recorded. There is no way to detect whether the PVR recorded the incorrect program so that it can record the rescheduled program in the future.
Summary of the invention Accordingly, it is an object of the invention to provide a recording device that will automatically record any rescheduled shows that were originally intended to be recorded but due to rescheduling or errors in the EPG they were not recorded.
It is another object of the invention to send a corrected version of the previous day's EPG to the recording device. The recording device will then detect when it recorded an incorrect show and either delete the show and/or set itself up again to record the rescheduled show by searching the EPG for the rescheduled show.
It is a further object of the invention to send a complete corrected EPG and the recording device will compare the previously sent EPG to the corrected EPG to find discrepancies.
It is yet another object of the invention to send only the changes to the previous day's EPG to the recording device.
Still other objects and advantages of the invention will in part be obvious and will in part be apparent from the specification. The invention accordingly comprises the several steps and the relation of one or more of such steps with respect to each of the others, and the apparatus embodying features of construction, combinations of elements and arrangement of parts that are adapted to effect such steps, all as exemplified in the following detailed disclosure, and the scope of the invention will be indicated by the claims.
Brief description of the drawings
For a better understanding of the invention reference is made to the following drawings.
Figs. 1 A and IB show a PVR in accordance with the invention; Fig. 2a shows an EPG schedule which is sent to the PVR on Wednesday morning;
Fig. 2b shows the selection of a tennis match to be recorded on Wednesday evemng;
Figs. 2c and 2e show several forms of the corrected EPG data which may be sent to the PVR on Sunday morning;
Fig. 2d shows that the PVR has selected the rescheduled tennis match to be recorded based on the corrected EPG data; and
Fig. 3 shows a flow chart in accordance with the invention. Detailed description of the preferred embodiments
Fig. la shows a video recording system in accordance with a preferred embodiment of the invention. A PVR 10 is connected to a television 11 and to the phone system 12 (or other communication path) to receive the EPG data. The EPG 13 is displayed on the television 11 and provides a cursor for navigating through the program menus. The broadcast source (e.g. TV antenna, cable, satellite) 15 provides the TV content to be recorded.
Fig. lb shows some components of the PVR 10. It includes a controller 30, a remote control 2, a modem 14, an EPG memory 20, an EPG correction memory 21, a comparator 24, an on-screen display generator 26, a record list memory 27, a clock 31 , a tuner 32, an encoder 33, a hard disk 23 and a decoder 34. The PVR 10 makes a telephone call via telephone line 12 and modem 14 each morning to download the EPG to the EPG memory 20. Using the user interface 13 generated by the on-screen generator 26 a user navigates through the menus to select a program to be recorded. The PVR 10 records the selected program and stores it on the hard drive 23. The following morning another telephone call is made to download new EPG data and corrected EPG data for the previous day's rescheduling of programs. The corrected EPG data is stored 21 and compared 24 with the previous day's recordings 27. The comparator 24 determines whether or not the corrected EPG data involves the same time and channel number of any previous day's recording. If it did, then the PVR searches in the EPG memory 20 for the program title which was supposed to be recorded previously to see if it is in the upcoming program schedules. If it finds the rescheduled program or another showing of the same program, or a subsequent episode it automatically programs itself to record that showing.
Figs. 2a-2e show an example of the EPG's and corrected EPG. At 8 PM on Wednesday night there are various shows that can be selected to be recorded. None of these shows are selected but there is a baseball game which will be shown on channel 3 which starts at 8 PM. The broadcaster anticipates that the baseball game will end at 10 PM, so as seen in Fig. 2b, the tennis match is supposed to be shown next on channel 3 at 10 PM. The user navigates through the EPG and selects the tennis match for recording and the PVR knows that the tennis match is on Wednesday night at 10 PM on channel 3 for two hours. The PVR then records this channel during this time period.
Thursday morning a telephone call is made and new EPG information is downloaded along with corrected EPG data. The corrected EPG data Figs. 2c and 2e indicates that the Wednesday night baseball game on channel 3 did not end at 10 PM, but ended at 11 :30 PM. This is 1 1/2 hours into the tennis match. This corrected EPG data is shown in Figs. 2c and 2e but typically not displayed to the user. It is more likely sent in a database format as shown in Fig. 2e. The PVR compares the corrected EPG data to the previous programs selected to be recorded to determine if there was a program selected to be recorded on Wednesday night on channel 3 from 10:00-11 :30 PM. Since the user selected to record the tennis match at this time, the PVR now knows it recorded an incorrect program from 10:00-12:00 midnight or didn't record the entire tennis match because it started late. At this point the PVR could delete the recording (i.e. permit recording over the program erroneously recorded) it recorded Wednesday night or keep it if part of the tennis match was in fact recorded. In this case the corrected EPG data shows that the baseball game ended at 11 :30 p.m. and the news was shown from 11 :30 p.m. to 12 midnight. The PNR then searches the new EPG data for the tennis match. The PNR finds that it was rescheduled to be shown on channel 3 at 10 PM on Thursday. It automatically programs itself to record this showing of the tennis match on Thursday night. If the program that the user selected to record was a television show such as "ER" (instead of the tennis match) on Wednesday night and ER was preempted by the baseball game, ER may not be rescheduled but the PNR would just select the next week's showing of "ER" to record.
Fig. 3 shows a flow chart of a preferred embodiment of the invention. The PNR receives the EPG data 40. The user selects from the EPG data a program to be recorded 41. The PVR knows from the program title, the channel number, time, and program length, the length of time it is supposed to record and records at that time 42. The PVR then receives corrected EPG data 43. The PVR compares the corrected EPG data to either the previous EPG data to find the changes and then compares the changes to the program record list 44 or if only the changes have been sent then compares the changes to the programs that were selected to be recorded 44. From this comparison 44 the PVR determines whether any programs were incorrectly recorded. If not then the PVR does nothing 46. If the comparison 44 reveals that there was an incorrect recording, the PVR searches the new EPG data for the rescheduled showing of the program or the next time the program is to be shown 45 and sets itself up to record the next showing. The PVR then can erase or write over the incorrect recordmg 47 and/or inform the user when an erroneous or incomplete recording has occurred and if and when a corrected recording will occur. The system may also include an option for the user to delete the erroneous recording.
The invention has been described with reference to a PVR but obviously it can be implemented with other recording devices such as VCR's and perhaps in the future DVD's etc. In addition there are many ways to receive the EPG's and the corrected EPG data such as via the cable connection, the internet or, as described, over the telephone lines etc.
It will thus be seen that the objects set forth above, among those made apparent from the preceding description, are efficiently attained and, since certain changes may be made in carrying out the above method and in the construction set forth without departing from the spirit and scope of the invention, it is intended that all matter contained in the above description and shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

Claims

CLAIMS:
1. A video recording system, comprising: a recording device (10, 23) operable to record programs; an electronic program guide receiver (14, 30, 20, 21) that receives i) an electronic program guide (EPG), and ii) a corrected EPG; - a programming device (30, 27) for programming the recording device (10, 23) to record programs based on the EPG information; and a detector (24) for detecting from the corrected EPG programs that were selected to be recorded but that were unsuccessfully recorded.
2. A video recording system as claimed in claim 1, further including a device
(24, 27) for finding from the EPG additional showings of the unsuccessfully recorded programs.
3. . A video recording system as claimed in claim 1, further including a device (30, 23 24, 27. 47) which deletes an erroneously or incompletely recorded program from the recording device.
4. A video recording device, comprising: a memory (20) which stores an electronic program guide (EPG); a selector (Fig. 2b. 30, 27) which selects from the EPG programs to be recorded; a recorder (23) which records the programs selected to be recorded; a receiver ( 14, 30, 21 ) which receives a corrected EPG; a comparator (24) that determines from the corrected EPG programs that were selected to be recorded but that were unsuccessfully recorded.
5. The video recording device as claimed in claim 4, further including a device
(24, 27) for determining from the EPG a next showing of the unsuccessfully recorded program, and; a programmer (30, 27) for programming the recorder to record the next showing of the program.
6. A video recording system as claimed in claim 5, further including a device (30, 23, 24, 27, 47) which deletes an erroneously or incompletely recorded program from the recorder.
7. The video recording device as claimed in claim 6, wherein the recorder is a hard drive (23).
8. The recording device as claimed in claim 3, wherein the comparator (24) compares the corrected EPG to the stored EPG that was selected to set up a recording and determines if during any time period selected, for a channel selected the EPG indicates an unsuccessful recording occurred.
9. A method of recording, comprising the steps of receiving an EPG (40); receiving a user selection of a program to be recorded (41); recording the program (42); - receiving a corrected EPG (43); comparing the corrected EPG to the recording time and channel number of the selected program (44); determining if incomplete or erroneous recording of the user selected program occurred (44); and - searching the EPG information in case an incomplete or erroneous recording occurred for a next showing of the user selected program; and recording the next showing (45).
10. The method according to claim 9, further including the step of deleting the incomplete or erroneous recording (47).
11. The method according to claim 10, wherein the step of receiving the EPG is performed periodically so that updated EPG information is available (43).
12. The method according to claim 11 , wherein the step of searching is performed on the updated EPG information (45).
13. The method according to claim 12, further including the step of informing the user that an incomplete or erroneous recording occurred.
14. The method according to claim 13, further including informing the user when a corrected recording will occur.
PCT/EP2001/010314 2000-09-19 2001-09-06 Follow up correction to epg for recording systems to reset requests for recordings WO2002025936A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP01980347A EP1323299A2 (en) 2000-09-19 2001-09-06 Follow up correction to epg for recording systems to reset requests for recordings
JP2002529017A JP2004509575A (en) 2000-09-19 2001-09-06 Follow-up correction to EPG for recording system to reset requirements for recording
KR1020027006360A KR20020054348A (en) 2000-09-19 2001-09-06 Follow up correction to EPG for recording systems to reset requests for recordings

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/665,564 US6795639B1 (en) 2000-09-19 2000-09-19 Follow up correction to EPG for recording systems to reset requests for recording
US09/665,564 2000-09-19

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WO2002025936A2 true WO2002025936A2 (en) 2002-03-28
WO2002025936A3 WO2002025936A3 (en) 2002-07-11

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US (1) US6795639B1 (en)
EP (1) EP1323299A2 (en)
JP (1) JP2004509575A (en)
KR (1) KR20020054348A (en)
CN (1) CN1319369C (en)
WO (1) WO2002025936A2 (en)

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WO2004056095A1 (en) * 2002-12-13 2004-07-01 Koninklijke Philips Electronics N.V. System,method and apparatus for searching for and automatically recording broac ast programmes
WO2004100538A1 (en) 2003-05-07 2004-11-18 Sony Corporation Program recording device and program recording method
EP1549071A1 (en) * 2003-12-26 2005-06-29 Casio Computer Co., Ltd. Apparatus and program for reserving a broadcast program
US8013023B2 (en) 2003-06-30 2011-09-06 Raustech Pty Ltd Charged emulsions for site-specific deposition of matter at micro and nano scale
US8655154B2 (en) 2007-06-12 2014-02-18 Sony United Kingdom Limited Television signal recording
CN105898524A (en) * 2015-11-02 2016-08-24 乐视致新电子科技（天津）有限公司 Program watch-back method, player and terminal
CN106231429A (en) * 2015-10-30 2016-12-14 无锡天脉聚源传媒科技有限公司 Electric program menu bearing calibration and device

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