Display device for a camera

• US 5,173,729 A
• Filed: 06/18/1991
• Issued: 12/22/1992
• Est. Priority Date: 02/26/1988
• Status: Expired due to Term

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Kaneko, Yoshiyuki
• Primary Examiner(s): Gellner, Michael L.
• Assistant Examiner(s): HAN, JANG K
• Application Number:
  US07/715,744
• Time in Patent Office: 553 Days
• Field of Search: 354/266, 354/131, 354/267.1, 354/238.1, 354/289.12, 354/465
• US Class Current: 396/59
• CPC Class Codes: G03B 17/18 Signals indicating condition of a camera member or suitability of light indicating depth of field G03B13/30
• CPC Class Codes: G03B 17/38 Releasing-devices separate from shutter integral with shutter G03B9/08

Abstract

A display device for a camera includes a remote-control receiving circuit for receiving a remote-control signal, determination logic for determining that the remote-control receiving circuit is in a reception-standby state, and a display or alarm circuit, being responsive to the determination made by the determination logic, for indicating that the camera is in the reception-standby state.

Claims

1. A display device for use in a camera comprising:

remote-control signal receiving means for receiving a remote-control signal for controlling an operation of the camera, wherein said remote-control signal receiving means assumes a reception-standby state when the camera is ready to receive a remote control signal;

determination means, cooperating with said remote control signal receiving means, for determining that said remote control signal receiving means is in the reception-standby state; and

a display circuit, responsive to the determination by said determination means, for providing an indication to a remote operator that the remote-control signal receiving means is in the reception-standby state.

2. A display device for a camera according to claim 1, wherein said display circuit also provides an indication that the camera is in a self-timer operation.

3. A display device for a camera according to claim 2, wherein the indication given by said display circuit that said remote-control signal receiving means is in a reception-standby state is different from the indication that the camera is in a self-timer operation.

4. A display device for a camera according to claim 3, wherein said display circuit includes timing means for providing an indication period when said remote control signal receiving means is in the reception-standby state that is different from an indication period when the camera is in the self-timer operation.

5. A display device for a camera according to claim 4, wherein said timing means provides an indication period in the reception-standby state of said remote-control signal receiving means that is longer than an indication period when the self-timer is in operation.

6. A display device for a camera according to claim 1, wherein the indication given by said display circuit that said remote-control signal receiving means is in a reception-standby state is different from the indication that the camera is in a self-timer operation.

7. A display device for a camera according to claim 6, wherein said display circuit includes timing means for providing an indication period when said remote-control signal receiving means is in the reception-standby state that is different from an indication period when the camera is in the self-timer operation.

8. A display device for a camera according to claim 7, wherein said timing means provides an indication period in the reception-standby state of said remote-control signal receiving means that is longer than an indication period when the self-timer is in operation.

9. A camera comprising:

means for performing an image recording operation;

remote-control signal receiving means for receiving a remote-control signal for controlling an image recording operation of the camera, wherein said remote-control signal receiving means assumes a reception-standby state when the camera is ready to receive a remote control signal;

determination means, cooperating with said remote control signal receiving means, for determining that said remote control signal receiving means is in the reception-standby state; and

a display circuit, responsive to the determination by said determination means, for providing an indication to a remote operator that the remote-control signal receiving means is in the reception-standby state.

10. A camera according to claim 9, wherein said display circuit also provides an indication that the camera is in a self-timer operation.

11. A camera according to claim 10, wherein the indication given by said display circuit that said remote-control signal receiving means is in a reception-standby state is different from the indication that the camera is in a self-timer operation.

12. A camera according to claim 11, wherein said display circuit includes timing means for providing an indication period when said remote control signal receiving means is in the reception-standby state that is different from an indication period when the camera is in the self-timer operation.

13. A camera according to claim 12, wherein said timing means provides an indication period in the reception-stand-by state of said remote-control signal receiving means that is longer than an indication period when the self-timer is in operation.

14. A camera according to claim 9, wherein the indication given by said display circuit that said remote-control signal receiving means is in a reception-standby state is different from the indication that the camera is in a self-timer operation.

15. A camera according to claim 14, wherein said display circuit includes timing means for providing an indication period when said remote-control signal receiving means is in the reception-standby state that is different from an indication period when the camera is in the self-timer operation.

16. A display device for a camera according to claim 15, wherein said timing means provides an indication period in the reception-standby state of said remote-control signal receiving means that is longer than an indication period when the self-timer is in operation.

17. An information apparatus for use in a camera, comprising:

(a) determination means responsive to a state of the camera for determining that the camera is set for a remote control operation;

(b) an information circuit, responsive to the determination by said determination means, for informing a remote operator of the state of the camera before the remote operator operates the camera by a remote control.

18. An information apparatus according to claim 17, wherein said determination means comprises means for determining that the camera is set to receive a remote control signal.

19. An information apparatus according to claim 17, wherein said information circuit comprises display means.

20. An information apparatus according to claim 17, wherein said information circuit comprises information means for informing the remote operator that the camera is set in a state which is independent of the state for remote control operation.

21. An information apparatus according to claim 20, wherein said information means comprises means for informing the remote operator that the camera is set for a self-timer operation.

22. An information apparatus according to claim 21, wherein said information means comprises display means.

23. An information apparatus according to claim 20, wherein said information circuit comprises variation means for causing the informing operation to vary so that the remote operator can distinguish information for a state of the camera which is independent of a state of the camera set for remote a control operation.

24. An information apparatus according to claim 23, wherein said variation means comprises timing means for varying a period during which the information is provided.

25. An information apparatus according to claim 24, wherein timing means comprises means for setting the period of the information for the remote control operation to be longer than the period of the information for the state of the camera independent of the state for remote control operation.

26. An information apparatus according to claim 23, wherein said information circuit further comprises display means.

27. An information apparatus according to claim 24, wherein said information circuit further comprises display means.

28. An information apparatus according to claim 25, wherein said information circuit further comprises display means.

29. An information apparatus according to claim 20, wherein said information circuit further comprises display means.

30. An information apparatus according to claim 21, wherein said information circuit further comprises variation means for causing the informing operation to vary so that the operator can distinguish the information for the remote control operation from the information for the self-timer operation.

31. An information apparatus according to claim 30, wherein said variation means comprises timing means for varying a period during which the information is provided.

32. An information apparatus according to claim 31, wherein said timing means comprises means for setting the period of the information for the remote control operation to be longer than the period of the information for the self-timer operation.

33. An information apparatus according to claim 30, wherein said information circuit further comprises display means.

34. An information apparatus according to claim 31, wherein said information circuit further comprises display means.

35. An information apparatus according to claim 32, wherein said information circuit further comprises display means.

36. An information apparatus according to claim 17, wherein said information circuit comprises variation means for causing the informing operation to vary so that the operator can distinguish the information for a state of the camera which is independent of the state of the camera set for a remote control operation.

37. An information apparatus according to claim 36, wherein the state of the camera independent of the state set for a remote control operation corresponds to the camera being set for a self-timer operation.

38. An information apparatus according to claim 37, wherein said information circuit further comprises display means.

39. An information apparatus according to claim 37, wherein said information circuit further comprises variation means for causing the informing operation to vary so that the operator can distinguish the information for the information for the remote control operation and the information for the self-timer operation.

40. An information apparatus according to claim 39, wherein said variation means comprises timing means for varying an information period.

41. An information apparatus according to claim 40, wherein said timing means comprises means for setting an information period for the remote control operation to be longer than an information period for the self-timer operation.

42. An information apparatus according to claim 39, wherein said information circuit further comprises display means.

43. An information apparatus according to claim 40, wherein said information circuit further comprises display means.

44. An information apparatus according to claim 41, wherein said information circuit further comprises display means.

45. An information apparatus according to claim 36, wherein said variation means comprises timing means for varying an information period.

46. An information apparatus according to claim 45, wherein timing means comprises means for setting an information period for the remote control operation to be longer than an information period for the state of the camera independent of the remote control operation.

47. An information apparatus according to claim 36, wherein said information circuit further comprises display means.

48. An information apparatus according to claim 45, wherein said information circuit further comprises display means.

49. An information apparatus according to claim 46, wherein said information circuit further comprises display means.

50. An information apparatus for a camera according to claim 17, wherein the camera is provided with said information circuit.

51. A camera comprising:

(a) means for performing a remote control operation;

(b) determination means responsive to a state of the camera for determining that the camera is set for a remote control operation; and

(c) an information circuit, responsive to the determination by said determination means, for informing a remote operator of the state of the camera before the remote operator operates the camera by a remote control.

52. A camera according to claim 51, wherein said determination means comprises means for determining that the camera is set to receive a remote control signal.

53. A camera according to claim 51, wherein said information circuit comprises display means.

54. A camera according to claim 51, wherein said information circuit comprises information means for informing the remote operator that the camera is set in a state which is independent of the state for remote control operation.

55. A camera according to claim 54, wherein said information means comprises means for informing the remote operator that the camera is set for a self-timer operation.

56. A camera according to claim 55, wherein said information means comprises display means.

57. A camera according to claim 54, wherein said information circuit comprises variation means for causing the informing operation to vary so that the remote operator can distinguish information for a state of the camera which is independent of a state of the camera set for remote a control operation.

58. A camera according to claim 57, wherein said variation means comprises timing means for varying a period during which the information is provided.

59. A camera according to claim 58, wherein timing means comprises means for setting the period of the information for the remote control operation to be longer than the period of the information for the state of the camera independent of the state for remote control operation.

60. A camera according to claim 57, wherein said information circuit further comprises display means.

61. A camera according to claim 58 wherein said information circuit further comprises display means.

62. A camera according to claim 59 wherein said information circuit further comprises display means.

63. A camera according to claim 54, wherein said information circuit further comprises display means.

64. A camera according to claim 55, wherein said information circuit further comprises variation means for causing the informing operation to vary so that the operator can distinguish the information for the remote control operation from the information for the self-timer operation.

65. A camera according to claim 64, wherein said variation means comprises timing means for varying a period during which the information is provided.

66. A camera according to claim 65, wherein said timing means comprises means for setting the period of the information for the remote control operation to be longer than the period of the information for the self-timer operation.

67. A camera according to claim 64, wherein said information circuit further comprises display means.

68. A camera according to claim 65, wherein said information circuit further comprises display means.

69. A camera according to claim 66, wherein said information circuit further comprises display means.

70. A camera according to claim 51, wherein said information circuit comprises variation means for causing the informing operation to vary so that the operator can distinguish the information for a state of the camera which is independent of the state of the camera set for a remote control operation.

71. A camera according to claim 70, wherein the state of the camera independent of the state set for a remote control operation corresponds to the camera being set for a self-timer operation.

72. A camera according to claim 71, wherein said information circuit further comprises display means.

73. A camera according to claim 71, wherein said information circuit further comprises variation means for causing the informing operation to vary so that the operator can distinguish the information for the information for the remote control operation and the information for the self-timer operation.

74. A camera according to claim 73, wherein said variation means comprises timing means for varying an information period.

75. A camera according to claim 74, wherein said timing means comprises means for setting an information period for the remote control operation to be longer than an information period for the self-timer operation.

76. A camera according to claim 73, wherein said information circuit further comprises display means.

77. A camera according to claim 74, wherein said information circuit further comprises display means.

78. A camera according to claim 75, wherein said information circuit further comprises display means.

79. A camera according to claim 70, wherein said variation means comprises timing means for varying an information period.

80. A camera according to claim 79, wherein timing means comprises means for setting an information period for the remote control operation to be longer than an information period for the state of the camera independent of the remote control operation.

81. A camera according to claim 70, wherein said information circuit further comprises display means.

82. A camera according to claim 79, wherein said information circuit further comprises display means.

83. A camera according to claim 80, wherein said information circuit further comprises display means.