WO1992020188A1 - Dispositif et procede d'enregistrement a decalage dans le temps d'emissions de television - Google Patents

Dispositif et procede d'enregistrement a decalage dans le temps d'emissions de television Download PDF

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Publication number
WO1992020188A1
WO1992020188A1 PCT/US1991/003143 US9103143W WO9220188A1 WO 1992020188 A1 WO1992020188 A1 WO 1992020188A1 US 9103143 W US9103143 W US 9103143W WO 9220188 A1 WO9220188 A1 WO 9220188A1
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WO
WIPO (PCT)
Prior art keywords
handset
base station
user
logic
telephone
Prior art date
Application number
PCT/US1991/003143
Other languages
English (en)
Inventor
Jerry R. Iggulden
Donald A. Streck
Original Assignee
Iggulden Jerry R
Streck Donald A
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 Iggulden Jerry R, Streck Donald A filed Critical Iggulden Jerry R
Priority to PCT/US1991/003143 priority Critical patent/WO1992020188A1/fr
Publication of WO1992020188A1 publication Critical patent/WO1992020188A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0887—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of programme or channel identifying signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/023—Control of operating function, e.g. switching from recording to reproducing remotely controlled

Definitions

  • This invention relates to video cassette recording systems, and the like, and, more particularly, to video cassette recorder (VCR) apparatus capable of selecting, detecting, and recording broadcast television programs which include a unique program identification code and a start code at the start of programs and the unique program identification code and an end code at the end of programs, the VCR apparatus comprising video record and playback means for recording and playing back television programs; means for continuously monitoring incoming television signals from a transmitting site; means for watching for the program identification code and an associated start code of a program to be recorded; means for turning on the video record and playback means to record a program to be recorded when its program identification code and associated start code are detected; means for continuing to continuously monitor incoming television signals from the transmitting site during recording of a program; means for watching for the program identification code and an associated end code of a program being recorded; and, means for turning off the video record and playback means when the program identification code and associated end code for a program being recorded are detected.
  • VCR video cassette recorder
  • VCRs Video Cassette Recorders
  • the typical VCR contains a group of displays and controls which are used in whole or in part in the process of programming the VCR to automatically turn on and record one or more television programs in an unattended state.
  • the user moves a switch to the START position and then uses a PROG button to select which of four, for example, programs to set as indicated by a display.
  • VCRs In simpler VCRs, there is only one program and the PROG button and display are omitted.
  • the desired channel is set using up and down buttons while the current channel selection is displayed.
  • a DAY button is used to select the day (or days) of the week when the recording is to take place as indicated by the display.
  • an HOUR button is used to select the hour and minute of the day when the recording is to start, as indicated by the display.
  • the user then moves the switch to the STOP position and employs an HOUR button to select the time when the recording is to stop.
  • a TIMER button is then depressed to activate the timer logic within the VCR with the information as programmed into it. Turning the VCR on and off typically destroys the previously input information — or, at least, confuses the user as to just what the state the programmed recording process is in.
  • time shifting One of the biggest untapped potentials for programmed recording using a VCR is what is referred to as "time shifting". In other words, the recording of a program at a time when it is inconvenient to watch it so that it can be viewed at a later (i.e. "shifted") time when it is convenient to watch. Networks typically put two desirable programs on opposite one another to see which can get the bigger portion of the listening audience.
  • the program may be "preempted" by something else at the last minute so that the something else is what is recorded. Worse, the program may be delayed for a short period of time so that it runs over the pre-programmed recording period. There is nothing more disturbing than to watch a movie and have the last portion of it non- recorded. Movies have also been known to run for a longer period than that shown in the television programming guide. Unless the user builds a "fudge factor" into the recording time duration during the programming process, the VCR may turn off before the movie is completed. Programming the recording process for a period longer than necessary, of course, leads to wasted time on the tape and the inability to record as many programs on a single tape.
  • a viewer may be so repulsed by the commercial for a product that he/she will not buy the product in retaliation. Frequently, viewers leave the room for one reason or another while the commercials are on anyway. When fast forwarding, the viewer must be in the room to operate the fast forward control for the VCR. As a result, the commercial is viewed in rapid action with the sound omitted. The product that is paying for the program being watched is seen and recognized with appreciation. As a consequence, the favorable aspects of the commercial are impressed upon the viewer while the unfavorable aspects are omitted. Not only that, as the commercial sponsor should recognize and appreciated, the viewer has been subjected to a commercial for the product — which would not have happened at all if the viewer had skipped the program altogether in favor of a rented motion picture.
  • the apparatus of the present invention for selecting, detecting, and recording broadcast television programs comprising at a transmitting site, means for including a unique program identification code and a start code at the start of programs, and means for including the unique program identification code and an end code at the end of programs
  • a video recorder for recording television programs; means for continuously monitoring incoming television signals from the transmitting site, means for watching for the program identification code and an associated the start code of a program to be recorded, means for turning on the video recorder to record the program to be recorded when its program identification code and the associated start code are detected, means for continuing to continuously monitor incoming television signals from the transmitting site during recording of a program, means for watching for the program identification code and an associated the end code of a program being recorded, and means for turning off the video recorder when the program identification code and the associated end code for the program being recorded are detected.
  • the apparatus at the recording site additionally comprises means for listing the identification codes of a plurality of programs to be recorded and means for comparing ones of the program identification codes with associated start codes as found in the incoming television signals from the transmitting site to listed ones of the identification codes whereby to find programs to be recorded.
  • a first recorder for recording television programs a second recorder for recording television programs; means for listing the identification codes of a plurality of first programs to be recorded on the first recorder on a first list; means for listing the identification codes of a plurality of second programs to be recorded on the second recorder on a second list; means for comparing the program identification codes with associated the start codes as found in the incoming television signals from the transmitting site to the first and second lists to find programs to be recorded; means for recording programs found on the first list employing the first recorder; and, means for recording programs found on the second list employing the second recorder.
  • the preferred apparatus also includes means for maintaining a list of the program identification codes of programs recorded and means for displaying the list to a user on demand.
  • the means for maintaining a list of the program identification codes of programs recorded comprises means for maintaining the list in a memory associated with the video recorder.
  • the means for maintaining a list of program identification codes of programs recorded comprises means for maintaining the list on the beginning of a magnetic tape associated with the video recorder and the means for displaying the list to a user on demand comprises, means for rewinding the tape to the beginning from a point at which the tape last stopped, means for reading and displaying the list to a user, and means for forwarding the tape back to the point at which the tape last stopped.
  • the preferred apparatus also includes means for maintaining a counter of the distance a magnetic tape associated with the video recorder is from the beginning thereof; means for storing the contents of the counter at the start of recording of a program on the list in association with the program's the identification code; and, means for displaying the counter contents as stored along with each program's the identification code included as part of the means for displaying the list to a user on demand.
  • Figure 1 is a simplified drawing of the front of a portion of a prior art VCR showing the elements employed in recording by means of a timer.
  • Figure 2 is a flowchart showing logic that must be implemented by a television broadcasting station, repeater, cable distributor, or the like, in order to record television programs according to the methods of the present invention.
  • Figure 3 is a simplified drawing of the front of a portion of a VCR showing the elements employed in recording by means of a program identification list according to one embodiment of the present invention.
  • Figure 4 is a flowchart showing logic that can be employed in a VCR or stand-alone device connected to a VCR to record television programs according to one embodiment of the present invention.
  • Figure 5 is a simplified drawing of the front of a portion of a VCR showing the elements employed in recording by means of a program identification list according to another embodiment of the present invention.
  • Figure 6 is a flowchart showing logic that can be employed in a VCR or stand-alone device connected to a VCR to record television programs according to another embodiment of the present invention.
  • Figure 7 is a simplified drawing of the front of a portion of a VCR showing the elements employed in recording by means of a program identification list according to still another embodiment of the present invention.
  • Figure 8 is a simplified drawing of the front of a portion of a VCR showing the elements employed in recording by means of a program identification list according to a preferred embodiment of the present invention.
  • Figure 9 is a flowchart showing logic that can be employed in the preferred VCR of Figure 8.
  • Figure 10 is a functional block diagram of the elements of the preferred VCR of Figure 8.
  • Figure 11 is a partial functional block diagram of the elements of a stand-alone device which can be attached to an existing VCR to record television programs according to a method of the present invention.
  • the present invention is based on the premise that television broadcasters and/or the producers of television programs would be willing to cooperate in a scheme which would make their programs watched by more people.
  • the broadcasters themselves would have to provide the cooperation.
  • the producers can incorporate the necessary information at the beginning and end of the tape of the program.
  • the broadcaster or producer of a program must execute the simple logic depicted in Figure 2.
  • an identification code and a start code are transmitted.
  • the identification code and a stop code are transmitted.
  • These codes can be transmitted in any of several manners well known to those skilled in the art. Preferably, they are subliminal in nature so as to be undetected by the viewer and only detected by the equipment of the present invention.
  • the codes and detecting equipment are similar to that used for the so-called "closed captioning" process whereby text of the audio portion of a program is provided for the hearing impaired and, therefore, can be implemented in a similar manner.
  • the preferred identification codes are in the form of number code sequences for ease of inputting during the programming process.
  • the identification code for each program should be made available to the viewer in a simple and straightforward manner, such as by printing it as part of the television programming listing for each program.
  • Regular programs should retain their same identification code from week to week while "specials" can have an available number assigned to them for the week of their broadcast.
  • the programming portion of a VCR can be changed in several ways, depending on the features desired.
  • An example of one such VCR's programming portions is depicted in Figure 3.
  • the logic associated with it is depicted in flowchart form in Figure 4.
  • the user selects the day using the DAY button 24 as in the prior art VCR of Figure 1 with the day selection displayed at 26 as before.
  • the channel of the program is selected using the up and down buttons 18, 20 in association with the display 22, also as before. There the similarity ends.
  • the user simply inputs the program's identification code employing the ten number buttons 34 and pushes the SCAN button 36 to activate the searching logic of the present invention.
  • One or more codes can be stored on a list within the logic of the VCR, just as the start and stop times were previously stored.
  • the logic of Figure 4 first watches to see if it is the day when it is to look for the program. When it is the day selected by the user, the logic begins scanning the incoming signal from the selected television channel.
  • the tuner and associated electrical apparatus to accomplish this are available in a standard VCR and, therefore, it is simply a matter of putting them to use.
  • the logic constantly watches for the broadcast of one of the subliminal identification codes. It stays in a testing loop scanning the incoming television signal from the selected channel and watching for identification codes. Note that it constantly checks for a new day.
  • the logic If the program does not appear on a selected day, the logic returns to the beginning of the loop and does not check again until it is another selected day.
  • the logic looks for the accompanying start code. If there is no start code, it continues looking for an identification code and start code in combination. Once that has been found, it compares the identification code to the identification code(s) on the list as input by the user during the programming process. If this starting program is one selected for recording, the logic turns on the recorder. If not, it continues back at the loop looking for an identification code and start code combination. As can be seen from the flowchart of Figure 4, once the recorder has been turned on, the logic moves to a second loop where it again scans the incoming signal from the selected channel.
  • the logic looks and waits for the program's identification code in combination with a stop code signaling that the program is over.
  • the logic then turns off the recorder and goes back to the first loop.
  • the logic is simple and easily implemented by those skilled in the art.
  • the approach is self-policing. When in an off state, the VCR will only respond to a starting program that is on the list. When the first program has been found and started, the VCR will only respond to that program turning off. If the stop code is never received for any reason, the preferred logic is to allow the VCR to continue recording to the end of the tape, rewind, execute the bookkeeping that would occur when the stop code was received, and then turn off (i.e. stop scanning) . The same would be true in an instance where the end of tape is reached prior to the stop code being received. This is a so-called "fail safe" approach and is preferred so as to prevent recording over previously recorded material.
  • the present invention can be provided with many features from the very simple as described above to more complex logic which provides the user with an even more simple task when it comes to programming the VCR.
  • the more complex the logic of a piece of electronic equipment the more "user friendly” it can be.
  • the user simply inputs the program's identification code using the buttons 34 as before and then pushes the SCAN button 36 as with the prior embodiment.
  • the logic uses the VCR's tuner to scan across a number of pre-selected channels in much the same manner as citizen band (CB) radio scanners, as are known in the art, scan across a plurality of available CB channels looking for an active channel.
  • CB citizen band
  • Most contemporary tuners are electronically switched so that it is simply a matter of having the scanning logic of Figure 7 switch the tuner from channel to channel to affect the scanning process.
  • the identification codes as transmitted by the broadcasters and/or producers should be of an extended digit nature such that each digit will be sure to be sampled by the logic during its snapshot of each channel as the logic scans from channel to channel. At electronic speeds, this poses no real problem and is only mentioned in passing for completeness of the disclosure.
  • identification codes can not be duplicated from channel to channel. This can be avoided easily by, for example, having each identification code include a channel unique digit at the beginning or end.
  • this more powerful scanning logic is basically the same as the prior example with the exception of the multi-channel scanning capability.
  • VCRs include a digital tape counter and the contents of the counter at the start of each program on a tape could also be displayed as part of the list tape procedure.
  • a portion of the tape at the beginning could be saved as an on-tape directory. In that case, as a program was started its position on the tape would be saved in the logic's memory.
  • the logic would rewind the tape, make the appropriate entries in the directory at the beginning of the tape, and then fast forward the tape (using the counter) back to the place where it stopped in order to be ready to record the next program. In such case, the depressing of the LIST tape button 46 would display the contents of the directory on the tape.
  • the preferred VCR of the present invention for providing the user with the ultimate in convenience for recording broadcast television programs for later viewing is depicted in Figure 8 with its logic flowchart shown in Figure 9 and a simplified functional block diagram of the components shown in Figure 10.
  • programming falls into two categories. First, there are the occasional or stand-alone programs to be recorded for one reason or another. These are programs that are complete in one episode. They can be watched at any later time and in any order that is convenient. Second, there are the serial programs that occur at different times and must be watched in sequence. This would include such things as "soaps" and mini-series.
  • VCR 48 In the case of mini- series (which are often of a high calibre) , a not inconsequential number of viewers try to record the entire series for later viewing again and again. With these latter multi-segment programs, it is desirable to have the episodes or segments in sequence on as few tapes as possible and not to have them interspersed with other programming material. To accomplish this with the typical prior art VCR operating on a time of day and day basis, is a daunting undertaking. With the preferred VCR 48 of Figures 8-10, it is a simple and straightforward matter. The VCR 48 is provided with two recording mechanisms such as those labelled as Recorder A, 50, and Recorder B, 52, in Figure 10. The recorders 50, 52 are operated by the logic 54.
  • the logic 54 gets inputs from the input buttons generally indicated as 56 as well as the list memory 58 (into which it also stores information) and the tuner 60.
  • the logic 54 outputs to the display 40 and provides an appropriate signal at 64 to a television set attached thereto when playing back information from one of the recorders 50, 52. Details of these various aspects of VCR technology which are well known in the art and which form no part of the novelty of the present invention are omitted from the discussion herein in the interest of simplicity and the avoidance of redundancy.
  • the preferred VCR 48 includes the features described with respect to Figure 7.
  • buttons for turning the set on, ejecting a tape cassette, and performing such functions as play, stop, record, forward, reverse, fast forward, and fast rewind It will be noted from the drawing of Figure 8 that there are two tape receiving slots 66, 68 associated with the two recorders 50, 52, respectively, into which a video tape cassette can be inserted into operable engagement with the associated recorder. There are also A and B select buttons 70 and 72, respectively. By depressing the A select button 70, all the functions of the VCR 48 are with respect to the "A" recorder 50 and its programming, lists, directory, etc.
  • the logic 54 scans multiple television channels as in the prior embodiment described above looking for an identification code of a starting program that is on the pre-programmed list. When one is found, scanning stops and the television channel where is was found is selected. Additionally, the proper recorder 50, 52, A or B, is selected depending on whether the found entry was on an A or B associated list. The process then continues as in the prior embodiments until the end of program is detected.
  • the retrofit system comprises a scan and control unit 76 operably connected to a pair of solenoid actuators 78, 80.
  • the scan and control unit 76 includes a tuner 60, logic 54', list memory 58', and input buttons 56' operating substantially as in the examples described in detail above.
  • the logic 54' in this case is connected to operate the solenoid actuators 78, 80.
  • a typical prior art VCR 82 has a front panel 84 having a RECORD button 86 and a STOP button 88 projecting therefrom.
  • the preferred solenoid actuators 78, 80 have mounting feet 90 by means of which the solenoid actuators 78, 80 can be mounted over the buttons 86, 88, respectively, using, for example, double sided foam adhesive tape of a type readily and commercially available for such uses.
  • Each actuator 78, 80 has a central plunger 92 that is lightly spring biased against its associated button 86, 88 and extends outward from a solenoid coil 94 so that it can be manually depressed by a user to actuate the associated button.
  • the logic 54' can also send an electrical signal to the coils over the wires 96 to operate the actuators 78, 80 and cause the plunger 92 to depress the associated button 86, 88, as appropriate.
  • the user leaves the VCR 82 turned on.
  • the logic 54' finds a program in its list memory 58' that is to be recorded, it uses solenoid actuator 78 to depress the RECORD button 86 and start the recording process.
  • the logic 54' uses solenoid actuator 80 to depress the STOP button 88 and end the recording process.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

Procédé et dispositif correspondant servant à sélectionner, détecter et enregistrer des émissions de télévision. A un site d'émission, le procédé comprend à la fois un code d'identification de programme unique et un code de départ au départ des programmes, ainsi qu'à la fois le code d'identification de programme unique et un code final à la fin des programmes. A un site d'enregistrement, il comprend le contrôle continu des signaux de télévision provenant du site d'émission, la recherche du code d'identification de programme et d'un code de départ associé du programme à enregistrer; la mise en service d'un enregistreur vidéo, afin d'enregistrer le programme à la détection de son code d'identification de programme et du code de départ associé; la poursuite du contrôle continu des signaux de télévision provenant du site d'émission pendant l'enregistrement d'un programme; la recherche du code d'identification du programme et du code final associé du programme en cours d'enregistrement; enfin, l'arrêt de l'enregistreur vidéo à la détection du code d'identification du programme et du code final associé du programme en cours d'enregistrement. Des variantes permettant une utilisation plus facile à l'utilisateur et une plus grande souplesse, comprennent la possibilité d'effectuer le balayage de chaînes multiples, ainsi que l'emploi d'enregistreurs multiples, de façon à pouvoir enregistrer des programmes similaires (tels que des segments de séries) en position contiguë sur une bande commune.
PCT/US1991/003143 1991-05-07 1991-05-07 Dispositif et procede d'enregistrement a decalage dans le temps d'emissions de television WO1992020188A1 (fr)

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PCT/US1991/003143 WO1992020188A1 (fr) 1991-05-07 1991-05-07 Dispositif et procede d'enregistrement a decalage dans le temps d'emissions de television

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PCT/US1991/003143 WO1992020188A1 (fr) 1991-05-07 1991-05-07 Dispositif et procede d'enregistrement a decalage dans le temps d'emissions de television

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP0973333A2 (fr) * 1998-07-17 2000-01-19 Kabushiki Kaisha Toshiba Appareil d'enregistrement de données, méthode d'enregistrement de données et récepteur de programmes télévisés

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GB2208142A (en) * 1987-07-03 1989-03-01 Hashimoto Corp Controlling video recorders to record and playback a preset s chedule of broadcast programmes
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EP0118104A2 (fr) * 1983-03-05 1984-09-12 Nokia Graetz Gesellschaft mit beschränkter Haftung Dispositif récepteur de l'éléctronique de loisirs avec mémoire pour les programmes désirés
GB2208142A (en) * 1987-07-03 1989-03-01 Hashimoto Corp Controlling video recorders to record and playback a preset s chedule of broadcast programmes
GB2223899A (en) * 1988-09-15 1990-04-18 British Broadcasting Corp Labelling of broadcast programmes
DE3932696A1 (de) * 1988-09-29 1990-04-12 Hitachi Ltd System fuer einen videobandrekorder zum lesen und aufzeichnen eines sendeprogramms
GB2232025A (en) * 1989-04-24 1990-11-28 Bsb Datavision Limited Signal recognition apparatus and method of broadcasting signals
DE4023866A1 (de) * 1989-08-01 1991-02-14 Mitsubishi Electric Corp Datum-aufzeichnungsvorrichtung
EP0424653A1 (fr) * 1989-10-24 1991-05-02 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Magnétoscope avec un dispositif pour enregistrer la table de matières d'un magasin de cassettes pour plusieurs cassettes à bandes magnétiques

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0973333A2 (fr) * 1998-07-17 2000-01-19 Kabushiki Kaisha Toshiba Appareil d'enregistrement de données, méthode d'enregistrement de données et récepteur de programmes télévisés
EP0973333A3 (fr) * 1998-07-17 2000-03-29 Kabushiki Kaisha Toshiba Appareil d'enregistrement de données, méthode d'enregistrement de données et récepteur de programmes télévisés
US7450818B2 (en) 1998-07-17 2008-11-11 Kabsuhiki Kaisha Toshiba Apparatus for recording data, method for recording data and television program receiver

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