Camera having object distance measuring device
First Claim
1. A camera having a focusing function that is operable in accordance with distance data of an object to be photographed, said distance data being detected using a measuring light, said camera comprising:
- a remote controller that is separate from a camera body of said camera and which is capable of being actuated from an object side to initially emit said measuring light from said remote controller toward said camera body;
at least two light receivers on said camera body that receive said measuring light emitted by said remote controller;
means for detecting a direction of said measuring light received by said at least two light receivers; and
means for calculating distance data of said object in accordance with said direction of said measuring light detected by said direction detecting means.
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Accused Products
Abstract
A camera having a focusing function that is operable in accordance with distance data of an object to be photographed. The distance data is detected by using a measuring light. The camera includes a remote control unit that is separate from a camera body of the camera and which is actuated from an object side to emit measuring light toward the camera body. The camera also includes at least two light receivers to receive the measuring light emitted by the remote controller, a direction detector for detecting the direction of the measuring light received by the at least two light receivers, and a distance calculator for calculating distance data of the object in accordance with the direction of the measuring light detected by the direction detector.
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Citations
47 Claims
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1. A camera having a focusing function that is operable in accordance with distance data of an object to be photographed, said distance data being detected using a measuring light, said camera comprising:
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a remote controller that is separate from a camera body of said camera and which is capable of being actuated from an object side to initially emit said measuring light from said remote controller toward said camera body; at least two light receivers on said camera body that receive said measuring light emitted by said remote controller; means for detecting a direction of said measuring light received by said at least two light receivers; and means for calculating distance data of said object in accordance with said direction of said measuring light detected by said direction detecting means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An autofocus camera system, comprising:
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a camera body having at least two light receivers thereon which are separated from each other by a predetermined optical base length; a remote controller that is separate from said camera body and which is capable of being actuated from an object side to initially emit a measuring light from said remote controller toward said at least two light receivers; and a distance calculating means provided in said camera body for calculating a distance of said remote controller from said camera body in accordance with data of said measuring light which is received by said at least two light receivers and said optical base length.
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17. A camera having a focusing function that is operable in accordance with distance data of an object to be photographed, said data being detected by using a measuring light, said camera comprising:
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a remote control that is separate from a camera body of said camera and which is capable of being actuated from an object side to initially emit a measuring light from said remote control toward said camera body, in at least two different positions; at least two light receivers on said camera body that receive said measuring light emitted by said remote control means; means for detecting a direction of said measuring light that is received by said at least two light receivers; and means for calculating distance data of said object in accordance with said direction of said measuring light detected by said direction detecting means. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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46. A camera having a focusing function that is operable in accordance with distance data of an object to be photographed, said distance data being detected by using a measuring light and calculated by a distance calculating means, said camera comprising:
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a remote control means that is separate from a camera body of said camera and which is capable of being actuated from an object side to emit remote releasing light toward said camera body; an emission inducing means which emits an emission inducing light upon receipt of said remote releasing light emitted by said remote control means; said remote control means further comprising means for intermittently emitting remote measuring light upon receipt of said emission inducing light emitted by said emission inducing means; and
,an emission ceasing means which emits an emission ceasing light toward said remote control means to cease said emission of said remote measuring light when said distance data is calculated by said distance calculating means.
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47. A camera, comprising:
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a remote controller that is separate from a camera body of said camera and which is capable of being actuated from an object side to initially emit a measuring light from said remote controller toward said camera body; at least two, light receivers on said camera body that receive said measuring light emitted by said remote controller; means for detecting a direction of said measuring light that is received by said at least two light receivers; and means for calculating a focal length of a lens associated with said camera that corresponds to a position of an object to be photographed having said remote controller in accordance with said direction of said measuring light detected by said direction detecting means, such that said object to be photographed is imaged within a film frame by said lens.
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Specification