Video system using two different kinds of recording media

• US 5,761,369 A
• Filed: 06/10/1996
• Issued: 06/02/1998
• Est. Priority Date: 06/16/1987
• Status: Expired due to Fees

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Takahashi, Koji, Suzuki, Yasutomo, Yoshimura, Katsuji
• Primary Examiner(s): Chevalier, Robert
• Application Number:
  US08/662,432
• Time in Patent Office: 722 Days
• Field of Search: 386/46, 386/52, 386/69, 386/68, 386/121, 386/1, 386/4, 360/32, 360/13, 360/39
• US Class Current: 386/240
• CPC Class Codes: G11B 2220/20 Disc-shaped record carriers
• CPC Class Codes: G11B 2220/90 Tape-like record carriers
• CPC Class Codes: G11B 2220/91 Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
• CPC Class Codes: G11B 27/026 on discs G11B27/028, G11B27/029 take precedence
• CPC Class Codes: G11B 27/028 with computer assistance
• CPC Class Codes: G11B 27/107 of operating tapes
• CPC Class Codes: G11B 27/11 by using information not detectable on the record carrier
• CPC Class Codes: G11B 27/28 by using information signals recorded by the same method as the main recording G11B27/22 takes precedence
• CPC Class Codes: G11B 27/3027 used signal is digitally coded
• CPC Class Codes: G11B 27/3045 superimposed on the recorded main signal, e.g. burn-in-time code
• CPC Class Codes: G11B 27/324 Duty cycle modulation of control pulses, e.g. VHS-CTL-coding systems, RAPID-time code, VASS- or VISS-cue signals
• CPC Class Codes: G11B 27/34 Indicating arrangements indicating means incorporated in magazine or cassette G11B23/046 and G11B23/0875; indicating measured values in general G01D
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 9/8205 involving the multiplexing of an additional signal and the colour video signal
• CPC Class Codes: H04N 9/8233 the additional signal being a character code signal
• CPC Class Codes: H04N 9/83 the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
• CPC Class Codes: H04N 9/8715 involving the mixing of the reproduced video signal with a non-recorded signal, e.g. a text signal

Abstract

A video system is arranged to record, on a second recording medium of a relatively small capacity, a given period portion of a video signal relating to an image plane representing each of varied programs included in the video signal and information on a recorded position of each of the programs on a first recording medium which has a relatively large capacity.

Claims

1. A signal processing system comprising:

(a) a recording and reproducing device for recording and reproducing a moving picture signal which has plural programs on and from a first recording medium;

(b) a signal processing device for generating still picture signals corresponding to a plurality of still pictures each of which represents each of the plural programs of the moving picture signal to record and reproduce the still picture signals on and from a second recording medium,

the signal processing device including a memory for storing the still picture signals reproduced from the second recording medium and reducing each of the plurality of still pictures represented by the reproduced still picture signals by using the memory; and

(c) a display device for displaying the plurality of reduced still pictures corresponding to the still picture signals read out from the memory on a common screen.

2. A system according to claim 1, wherein the signal processing device includes receiving means for receiving the moving picture signals reproduced by the recording and reproducing device, and extracting means for extracting the still picture signals from the moving picture signals.

3. A system according to claim 1, wherein the second recording medium has larger capacity than that of the memory, and wherein the first recording medium has larger capacity than that of the second recording medium.

4. A system according to claim 1, wherein the first recording medium includes a tape-shaped recording medium, and wherein the second recording medium includes a disk-shaped recording medium.

5. A system according to claim 1, wherein the first recording medium includes a tape-shaped recording medium, and wherein the second recording medium includes a semiconductor memory.

6. A system according to claim 1, wherein the signal processing device also generates control signals relating to the still pictures and records the control signals on the second recording medium.

7. A system according to claim 6, further comprising a control device for controlling an operation of the recording and reproducing device according to the control signals reproduced by the signal processing device.

8. A system according to claim 7, wherein the control device includes determining means for determining a still picture from the plurality of still pictures displayed by the display device,

the control device controlling the operation of the signal processing device according to a control signal corresponding to the still picture determined by said determining means.

9. A signal processing system, comprising:

(a) a recording and reproducing device for recording and reproducing a moving picture signal which has plural programs on and from a first recording medium;

(b) a signal processing device for generating still picture signals corresponding to a plurality of still pictures each of which represents each of the plural programs of the moving picture signal to record and reproduce the still picture signals on and from a second recording medium,

the second recording medium being portable, the signal processing device including a memory for storing the still picture signals reproduced from the second recording medium and reducing each of the plurality of still pictures represented by the reproduced still picture signals by using the memory; and

(c) a display device for displaying the plurality of reduced still pictures corresponding to the still picture signals read out from the memory on a common screen.

10. A system according to claim 9, wherein the signal processing device includes receiving means for receiving the moving picture signals reproduced by the recording and reproducing device, and extracting means for extracting the still picture signals from the moving picture signals.

11. A system according to claim 9, wherein the second recording medium has larger capacity than that of the memory, and wherein the first recording medium has larger capacity than that of the second recording device.

12. A system according to claim 9, wherein the signal processing device includes a memory for storing the still picture signals reproduced from the second recording medium and reduces each of the plurality of still pictures represented by the reproduced still picture signals by using the memory.

13. A system according to claim 9, wherein the first recording medium includes a tape-shaped recording medium, and wherein the second recording medium includes disk-shaped recording medium.

14. A system according to claim 9, wherein the first recording medium includes a tape-shaped recording medium, and wherein the second recording medium includes a semiconductor memory.

15. A system according to claim 9, wherein the signal processing device also generates control signals relating to the still pictures and records the control signals on the second recording medium.

16. A system according to claim 15, further comprising a control device for controlling an operation of the recording and reproducing device according to the control signals reproduced by the signal processing device.

17. A system according to claim 16, wherein the control device includes determining means for determining a still picture from the plurality of still pictures displayed by the display device,

the control device controlling the operation of the signal processing device according to a control signal corresponding to the still picture determined by said determining means.

18. A signal processing system, comprising:

(a) a first reproducing device for reproducing moving picture signals which has plural programs from a first recording medium;

(b) a second reproducing device for reproducing still picture signals corresponding to a plurality of still pictures each of which represents each of the plural programs of the moving picture signals recorded on the first recording medium from a second recording medium,

the second reproducing device including a memory for storing the still picture signals reproduced from the second recording medium and reducing each of the plurality of still pictures represented by the reproduced still picture signals from said second recording medium by using the memory; and

(c) a display device for displaying the plurality of reduced still pictures corresponding to the still picture signals read out from the memory on a common screen.

19. A system according to claim 18, wherein the second recording medium has larger capacity than that of the memory, and wherein the first recording medium has larger capacity than that of the second recording medium.

20. A signal processing system, comprising:

(a) recording and reproducing means for recording and reproducing a moving picture signal which has plural programs on and from a first recording medium;

(b) signal processing means for generating still picture signals corresponding to a plurality of still pictures each of which represents each of the plural programs of the moving picture signal to record and reproduce the still picture signals on and from a second recording medium,

the signal processing means including a memory for storing the still picture signals reproduced from the second recording medium and reducing each of the plurality of still pictures represented by the reproduced still picture signals by using the memory; and

(c) display means for displaying the plurality of reduced still pictures corresponding to the still picture signals read out from the memory on a common screen.

21. A system according to claim 20, wherein said signal processing means includes receiving means for receiving the moving picture signals reproduced by the recording and reproducing means, and extracting means for extracting the still picture signals from the moving picture signals.

22. A system according to claim 20, wherein the second recording medium has larger capacity than that of the memory, and wherein the first recording medium has larger capacity than that of the second recording medium.

23. A system according to claim 20, wherein said display means reduces each of the plurality of still pictures and displays the reduced still pictures on the common screen.

24. A system according to claim 20, wherein the first recording medium includes a tape-shaped recording medium, and wherein the second recording medium includes a disk-shaped recording medium.

25. A system according to claim 20, wherein the first recording medium includes a tape-shaped recording medium, and wherein the second recording medium includes a semiconductor memory.

26. A system according to claim 20, wherein said signal processing means also generates control signals relating to the still pictures and records the control signals on the second recording medium.

27. A system according to claim 26, further comprising control means for controlling an operation of the recording and reproducing means according to the control signals reproduced by the signal processing means.

28. A system according to claim 27, wherein the control means includes determining means for determining a still picture from the plurality of still pictures displayed by the display means,

the control means controlling the operation of the signal processing means according to a control signal corresponding to the still picture determined by said determining means.

29. A signal processing apparatus used in a signal processing system including a reproducing apparatus arranged to reproduce moving picture signals which has plural programs from a first recording medium, said apparatus comprising:

(a) reproducing means for reproducing still picture signals corresponding to a plurality of still pictures each of which represents each of the plural programs of the moving picture signals recorded on the first recording medium and control information from a second recording medium, the control information indicating positions at which the moving picture signals of the programs are recorded on the first recording medium and a reproduction speed of the moving picture signals of the programs;

(b) reducing means for reducing the plurality of still pictures represented by the reproduced still picture signals by using a memory which stores the reproduced still picture signals;

(c) character signal generation means for generating character signals indicating the position and the reproduction speed according to the reproduced control information;

(d) display means for displaying the plurality of reduced still pictures represented by the still picture signals read out from the memory and the character signals on a common screen; and

(e) control means for controlling a reproduction operation of the reproducing apparatus according to the control information reproduced by said reproducing means.

30. A signal processing apparatus used in a signal processing system including a reproducing apparatus arranged to reproduce moving picture signals which has a plurality of programs from a first recording medium, said apparatus comprising:

(a) reproducing means for reproducing control signals including position information indicating positions at which the moving picture signals of the plurality of programs are recorded on the first recording medium and speed information indicating a reproduction speed of the moving picture signals of the plurality of programs from a second recording medium, the position information and the speed information being recorded at mutually corresponding positions each other on the second recording medium; and

(b) control means for controlling a reproduction operation of the recording apparatus according to the control information reproduced by said reproducing means.

31. An apparatus according to claim 30, wherein said control means controls the reproduction operation of the reproducing apparatus so that the reproducing apparatus reproduces the moving picture signals of the programs from the first recording medium at the reproduction speed indicated by the control information reproduced by said reproducing means.

32. A signal processing method which is applicable to a signal processing system including a reproducing apparatus arranged to reproduce moving picture signals which has plural programs from a first recording medium, the method comprising the steps of:

(a) generating still picture signals corresponding to a plurality of still pictures each of which represents each of the plural programs of the moving picture signals recorded on the first recording medium;

(b) recording and reproducing the generated still picture signals on and from a second recording medium;

(c) reducing each of the plurality of still pictures represented by the reproduced still picture signals by using a memory which stores the reproduced still picture signals; and

(d) displaying the plurality of reduced still pictures corresponding to the still picture signals read out from the memory on a common screen.

33. A signal processing apparatus suitable for use in a signal processing system including a reproducing apparatus arranged to reproduce moving picture signals which has plural programs from a first recording medium, said apparatus comprising:

processing means for reproducing still picture signals corresponding to a plurality of still pictures each of which represents each of the plural programs of the moving picture signal from a second recording medium;

reducing means for reducing each of the plurality of still pictures represented by the reproduced still picture signals by using a memory for storing the still picture signals reproduced from the second recording medium; and

outputting means for outputting the still picture signals read out from the memory to a display device so that the plurality of reduced still pictures corresponding to the still picture signals read out from the memory are displayed on a common screen.

34. An apparatus according to claim 33, wherein the display device reduces each of the plurality of still pictures and displays the reduced still pictures on the common screen.

35. An apparatus according to claim 33, wherein said processing means including generating means for generating the still picture signals by using the moving picture signals reproduced from the first recording medium and recording means for recording the still picture signals on the second recording medium.

36. An apparatus according to claim 35, wherein said processing means also generates control signals relating to the still pictures and records the control signals on the second recording medium.

37. An apparatus according to claim 36, further comprising control means for controlling an operation of the reproducing apparatus according to the control signals reproduced by said processing means.

38. An apparatus according to claim 36, wherein the control signals include position information indicating positions at which the moving picture signals of the programs are recorded on the first recording medium and speed information indicating a reproduction speed of the moving picture signals of programs.

39. A signal processing apparatus suitable for use in a signal processing system including a reproducing apparatus arranged to reproduce moving picture signals which has a plurality of programs from a first recording medium, said apparatus comprising:

reproducing means for reproducing control signals including position information indicating positions at which the moving picture signals of the plurality of programs are recorded on the first recording medium and speed information indicating a reproduction speed of the moving picture signals of the plurality of programs from a second recording medium, the position information and the speed information being recorded at mutually corresponding positions each other on the second recording medium; and

output means for outputting the control signals reproduced from the second recording medium to a display device so that characters represented by the position information and characters represented by the speed information are displayed on a common screen.