Apparatus and method using compressed codes for recorder preprogramming

• US 6,091,882 A
• Filed: 08/01/1994
• Issued: 07/18/2000
• Est. Priority Date: 12/23/1988
• Status: Expired due to Term

• Current Assignee: Rovi Guides, Inc. (Adeia Inc.)
• Original Assignee: Gemstar Development Corporation (Adeia Inc.)
• Inventors: Kwoh, Daniel S., Yuen, Henry C.
• Primary Examiner(s): TRAN, THAI Q
• Application Number:
  US08/284,371
• Time in Patent Office: 2,178 Days
• Field of Search: 358/335, 358/310, 360/33.1, 360/35.1, 348/731, 348/732, 348/734, 348/906, 455/185.1, 455/186.1, 455/186.2
• US Class Current: 386/293
• CPC Class Codes: G04G 15/006 for operating at a number of different times cigar or cigarette receptacles or boxes with means for limiting the frequency of smoking A24F15/005
• CPC Class Codes: G11B 15/023 remotely controlled
• CPC Class Codes: G11B 15/026 by using processor, e.g. microcomputer
• CPC Class Codes: H01H 9/025 Stands or organisers to facilitate location or operation
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/782 on tape

Abstract

Encoded video recorder/player timer preprogramming information listed in a television calendar allows a timer preprogramming feature on a video cassette recorder VCR to be programmed using a compressed code of as few as 1 to 8 digits, which are decoded by a decoder built into either the video cassette recorder or a remote controller to convert the compressed code into channel, date, time and length information. The channel, date, time and length information is communicated to a VCR and used to automatically activate the VCR to record a given television program with the corresponding channel, date, time and length. Alternately, the channel, date, time and length information is decoded directly in a remote controller and only start record, stop record and channel selection commands are sent to the VCR at the appropriate times. The compressed code indications associated with each television program can be printed in a television program calendar in advance and used with a VCR or remote controller with the decoding means. The compressed codes for timer preprogramming can be utilized for just one program or repeatedly for daily or weekly use. Algorithms for decoding the compressed codes can be a function of time to ensure security of the decoding method. A method is included for use of the compressed codes with cable channels and a method and apparatus is described for timer preprogramming for a large number of programs.

Claims

1. A system for programming and automatically recording programs transmitted using video signals, by a video recorder, under control of sets of channel, date, time-of-day and program length commands, the system comprising:

an input for receiving compressed coded indications into said system, each compressed coded indication incorporating the data represented in a set of individual channel, date, time-of-day and program length commands, wherein each of one or more of said compressed coded indications has a length that is less than the length of the concatenation of said incorporated individual channel, date, time-of-day and program length commands; and

a decoder for decoding and expanding each of one or more of said compressed coded indications into said set of individual channel, date, time-of-day and program length commands for control of the video recorder.

2. The system of claim 1 further comprising the video recorder, which includes said decoder.

3. The system of claim 2 wherein said video recorder further includes said input.

4. The system of claim 1 comprising a remote transmitter which includes said input.

5. The system of claim 4 further comprising the video recorder which includes said decoder.

6. The system of claim 5 wherein said video recorder comprises

a second input for receiving compressed coded indications, each representative of, and compressed in length from, a set of individual channel, date, time-of-day and length commands.

7. The system of claim 4 wherein said remote transmitter further comprises means for transmitting said compressed coded indications to said decoder.

8. The system of claim 4 wherein said remote transmitter further includes said input.

9. The system of claim 8 wherein said remote transmitter further comprises means for transmitting said individual channel, date, time-of-day and length commands to said video recorder.

10. The system of claim 8 wherein said remote transmitter further comprises

means for generating, from each of said sets of individual channel, date, time-of-day and length commands, a set of control commands comprising control commands for:

selection of a channel of video signals for recording,

starting recording of a selected channel of video signals, and

stopping recording of a selected channel of video signals.

11. The system of claim 8 wherein said remote transmitter further comprises

means for generating, from each of said sets of individual channel, date, time-of-day and length commands, a set of control commands comprising control commands for:

selection of a channel of video signals for recording according to such individual channel commands,

starting recording of a selected channel of video signals according to such date and time-of-day commands, and

stopping recording of a selected channel of video signals according to such time-of-day and length commands.

12. The system of claim 10 wherein said remote transmitter further comprises

means for transmitting said control commands generated by said means for generating control commands.

13. The system of claim 12 further comprising

a channel selector for selecting a channel of video signals operative responsive to said control commands for selection of a channel comprising

a receiver which receives said control commands for selection of a channel, transmitted by said means for transmitting.

14. The system of claim 13 wherein said channel selector comprises a cable box.

15. The system of claim 13 wherein said video recorder comprises:

means for recording video signals operative responsive to said control commands for starting recording and said control commands for stopping recording; and

a second receiver which receives said control commands for starting recording and said control commands for stopping recording transmitted by said means for transmitting.

16. The system of claim 15 wherein said channel selector comprises a cable box.

17. The system of claim 12 wherein said video recorder comprises:

means for recording video signals operative responsive to control commands for starting recording and said control commands for stopping recordings; and

a receiver which receives said control commands for starting recording and said control commands for stopping recording transmitted by said means for transmitting.

18. The system of claim 17 wherein said video recorder further comprises:

a channel selector for selecting a channel of video signals operative responsive to said control commands for selection of a channel; and

wherein said receiver receives said control commands for selection of a channel transmitted by said means for transmitting.

19. The system of claim 12 wherein said remote transmitter comprises a universal remote controller.

20. The system of claim 19 wherein said universal remote controller is capable of learning protocols of transmit commands of different remote controllers with which said universal remote controller interfaces.

21. The system of claim 19 wherein said universal remote controller comprises:

means for storing a plurality of protocol sets of transmit signals for said control commands; and

means for selecting protocol sets of transmit signals for particular sets of said control commands.

22. The system of claim 19 wherein said universal remote controller further comprises:

means for transmitting simultaneously in at least two of the forward, backward, left, right, upward and downward directions.

23. The system of claim 1 wherein said decoder comprises:

means for transforming each of said compressed coded indication into a binary number comprising a plurality of bits;

means for reordering said bits according to a bit hierarchy key that specifies the reordering of said binary number to obtain a reordered binary compressed code;

means for separating said reordered binary compressed code into channel, date, time-of-day and program length priority indices; and

means for deriving channel, date, time-of-day and program length commands from said channel, date, time-of-day and program length priority indices.

24. The system of claim 23 further comprising:

a clock with an output; and

wherein said means for reordering further comprise means for reordering said bits according to the output of said clock and a bit hierarchy key that specifies the reordering of said binary number to obtain a reordered binary compressed code.

25. The system of claim 1 wherein said decoder comprises:

means for transforming each of said compressed coded indication into a mixed radix number comprising a plurality of bits;

means for reordering said bits according to a bit hierarchy key that specifies the reordering of said mixed radix number to obtain a reordered mixed radix compressed code;

means for separating said reordered mixed radix compressed code into channel, date, time-of-day and program length priority indices; and

means for deriving channel, date, time-of-day and program length commands from said channel, date, time-of-day and program length priority indices.

26. The system of claim 25 further comprising:

a clock with an output; and

wherein said means for reordering further comprise means for reordering said bits according to the output of said clock and a bit hierarchy key that specifies the reordering of said mixed radix number to obtain a reordered mixed radix compressed code.

27. The system of claims 23 or 25 further comprising:

a clock with an output; and

wherein said means for deriving further comprise means for deriving channel, date, time-of-day and program length commands according to the output of said clock and from said channel, date, time-of-day and program length priority indices.

28. The system of claim 1 which further comprises:

means for selection of daily use of at least one of said sets of channel, date, time-of-day and length commands decoded from said compressed code; and

means for daily use of such at least one of said sets of channel, date, time-of-day and length commands decoded from said compressed code starting on a date according to the date specified in such set of channel, date, time-of-day and length commands.

29. The system of claim 1 which further comprises:

means for selection of weekly use of at least one of said sets of channel, date, time-of-day and length commands decoded from said compressed code; and

means for weekly use of such at least one of said sets of channel, date, time-of-day and length commands decoded from said compressed code starting on date according to the date specified in such set of channel, date, time-of-day and length commands.

30. The system of claim 1 which further comprises:

selecting a periodicity for repeating the step of recording on a channel corresponding to said channel command at a time-of-day corresponding to said time-of-day command and for a length corresponding to said length command.

31. The system of claim 1 that further comprises:

a stack of memory coupled to said decoder for storing a plurality of programs consisting of channel, date, time-of-day and length commands for timer preprogramming in temporal order according to said date and time-of-day commands so that the temporally earliest program is at predetermined location of the stack; and

a clock with an output coupled to said decoder; and

wherein said decoder further comprises a means for periodically comparing said date and time-of-day commands for the program at the predetermined location of said stack memory and transmitting said channel, date, time-of-day and length commands for a program to said means for recording when said date and time-of-day commands have a predetermined relation with the output of said clock.

32. The system of claim 1 which further comprises means for increasing said time-of-day command by a predetermined length of time.

33. The system of claims 1 which further comprises means for decreasing said time-of-day command by a predetermined length of time.

34. The system of claims 32 or 33 wherein said predetermined length of time is three hours.

35. The system of claim 1 which further comprises:

means for substituting a local channel number for a channel number in said channel command.

36. The system of claim 1 further comprising:

a clock with an output; and

means for warning a user that the output of said clock will compare within a preset time to said date and time-of-day commands.

37. The method of claim 31 wherein said step of decoding and expanding comprises performing said step of decoding and expanding in said video recorder.

38. A method of programming and automatically recording transmitted using video signals, by a video recorder, under control of sets of channel, date, time-of-day and length commands, the method comprising the steps of:

receiving compressed coded indications into a video recorder controller, each compressed coded indication incorporating the data represented in a set of individual channel, date, time-of-day and program length commands, wherein each of one or more of said compressed coded indications has a length that is less than the length of the concatenation of said incorporated individual channel, date, time-of-day and program length commands; and

decoding and expanding each of one or more of said compressed coded indications into said incorporated individual channel, date, time-of-day and program length commands for control of the video recorder.

39. The method of claim 38 wherein said step of decoding and expanding comprises performing said step of decoding and expanding in said video recorder.

40. The method of claim 39 wherein said step of receiving compressed coded indications comprises the step of receiving such coded indications in said video recorder.

41. The method of claim 38 wherein said step of receiving compressed coded indications comprises the step of receiving the coded indications in a remote transmitter.

42. The method of claim 38:

wherein said step of decoding and expanding comprises performing said step of decoding and expanding in a video recorder; and

wherein said step of receiving compressed coded indications comprises the step of receiving compressed coded indications in either a remote transmitter or said video recorder.

43. The method of claim 41 further comprising the step of transmitting said compressed coded indications by said remote transmitter.

44. The method of claim 41:

wherein said step of receiving compressed coded indications comprises the step of receiving compressed coded indications in a remote transmitter; and

wherein said step of decoding and expanding comprises performing said step of decoding and expanding in a remote transmitter.

45. The method of claim 44 further comprising the step of transmitting said individual channel, date, time-of-day and length commands by said remote transmitter to said video recorder.

46. The method of claim 44 further comprising the step of:

generating, from each of said sets of individual channel, date, time-of-day and program length commands, a set of control commands comprising control commands for;

selection of a channel of video signals for recording,

starting recording of a selected channel of video signals, and

stopping recording of a selected channel of video signals.

47. The method of claim 44 further comprising the step of

generating, from each of said sets of individual channel, date, time-of-day and program length commands, a set of control commands comprising control commands for:

selection of a channel of video signals for recording according to such individual channel commands,

starting recording of a selected channel of video signals according to such date and time-of-day commands, and

stopping recording of a selected channel of video signals according to such time-of-day and program length commands.

48. The method of claim 46 further comprising the step of transmitting, by said remote transmitter, said control commands.

49. The method of claim 48 wherein said step of transmitting further comprises:

transmitting said control commands for selection of a channel of video signals to a channel selector.

50. The method of claim 49 wherein said step of transmitting further comprises:

transmitting said control commands for starting recording and said control commands for stopping recording to said video recorder.

51. The method of claim 48 wherein said step of transmitting further comprises:

transmitting said control commands for selection of a channel of video signals to a cable box.

52. The method of claim 51 wherein said step of transmitting further comprises:

transmitting said control commands for starting recording and said control commands stopping recording to said video recorder.

53. The method of claim 48 wherein said step of transmitting further comprises:

transmitting said control commands for starting recording and said control commands stopping recording to said video recorder.

54. The method of claim 53 wherein said step of transmitting further comprises:

transmitting said control commands for selection of a channel of video signals to said video recorder.

55. The method of claim 46 further comprising the steps of:

learning protocols of different remote controllers with which said remote transmitter interfaces; and

wherein said step of transmitting includes transmitting using the protocol of the devices to which it is transmitting.

56. The method of claim 46 further comprising the steps of:

storing a plurality of protocol sets of transmit signals for said control commands into said remote transmitter; and

selecting protocol sets of transmit signals for particular sets of said control commands; and

wherein the step of transmitting further comprises transmitting each control command according to said selected protocol set of transmit signals.

57. The method of claims 55 or 56 wherein said step of transmitting further comprises:

transmitted simultaneously in at least two of the forward, backward, left, right, upward and downward directions.

58. The method of claim 38 wherein said step of decoding further comprises the steps of:

transforming each of said compressed coded indication into a binary number comprising a plurality of bits;

reordering said bits according to a bit hierarchy key that specifies the reordering of said binary number to obtain a reordered binary compressed code;

separating said reordered binary compressed code into channel, date, time-of-day and program length priority indices; and

deriving channel, date, time-of-day and program length commands from said channel, date, time-of-day and program length priority indices.

59. The method of claim 58 wherein said step of reordering comprises the step of reordering said bits according to the output of a clock and a bit hierarchy key that specifies the reordering of said binary number to obtain a reordered binary compressed code.

60. The method of claim 38 wherein said step of decoding comprises the steps of:

transforming each of said compressed coded indication into a mixed radix number comprising a plurality of bits;

reordering said bits according to a bit hierarchy key that specifies the reordering of said mixed radix number to obtain a reordered mixed radix compressed code;

separating said reordered mixed radix compressed code into channel, date, time-of-day and program length priority indices; and

deriving channel, date, time-of-day and program length commands from said channel, date, time-of-day and program length priority indices.

61. The method of claim 60 wherein said step of reordering comprises the step of reordering said bits according to the output of a clock and a bit hierarchy key that specifies the reordering of said mixed radix number to obtain a reordered mixed radix compressed code.

62. The method of claims 58 or 60 wherein said step of deriving comprises the step of deriving channel, date, time-of-day and program length commands according to the output of a clock and from said channel, date, time-of-day and program length priority indices.

63. The methods of claim 46 or 47 which further comprise the steps of:

selecting daily use of at least one of said sets of channel, date, time-of-day and length commands; and

wherein said step of generating comprises daily using said at least one of said sets of channel, date, time-of-day and length commands to generate said control commands beginning on the date specified in said at least one of said sets of channel, date, time-of-day and length commands.

64. The methods of claim 46 or 47 which further comprise the steps of:

selecting weekly use of at least one of said sets of channel, date, time-of-day and length commands; and

wherein said step of generating comprises weekly using said at least one of said sets of channel, date, time-of-day and length commands to generate said control commands beginning on the date specified in said at least one of said sets of channel, date, time-of-day and length commands.

65. The system of claim 38 that further comprises the steps of:

storing a plurality of programs consisting of channel, date, time-of-day and length commands for timer preprogramming in temporal order into a stack memory according to said date and time-of-day commands so that the temporally earliest program is at predetermined location of the stack; and

periodically comparing said date and time-of-day commands for the program at the predetermined location of said stack memory to the output of a clock and transmitting said channel, date, time-of-day and length commands for a program to said means for recording when said date and time-of-day commands have a predetermined relation with the output of said clock.

66. The method of claim 38 which further comprises the step of increasing said time-of-day command by a predetermined length of time.

67. The method of claims 38 which further comprises the step of decreasing said time-of-day command by a predetermined length of time.

68. The method of claims 66 or 67 wherein said predetermined length of time is three hours.

69. The method of claim 38 which further comprises the step of substituting a local channel number for a channel number in said channel command.

70. The method of claim 38 further comprising the step of warning a user that a clock output will compare within a preset time to said date and time-of-day commands of one of sets of channel, date, time-of-day and program length commands.