Patent US2330420A successfully refreshed from Google Patents.
Patent US5047793A successfully refreshed from Google Patents.
US5047793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic range finder camera system with a remote control function
Assignee: Canon Inc
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Filing: 1990-06-12
•
Granted: 1991-09-10
•
Expires: 2010-06-12
Abstract
Abstract There is disclosed camera system comprising: unit for automatically and repeatedly measuring the distance to an object; unit for discriminating the measured results on the basis of the measured results, to provide a predetermined activation signal; and exposure control unit for performing exposure operation in response to the activation signal.
Inventors
- 👤 Yasuhiko Shiomi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:51
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/28; G02B7/30; G02B7/32; G03; G03B; G03B17/00; G03B17/38; G03B17/40
Claims Analysis
Total Claims: 78
Claim 1
Independent Claim
58 words
A camera comprising: distance measuring means for automatically and repeatedly measuring the distance to an object; discriminating means for comparing the measured results with one another to discriminate a change, and for providing an activation signal when the change exceeds a predetermined amount; and exposure control means for performing an exposure operation in response to said activation signal.
Claim 2
Dependent Claim
58 words
A camera comprising: distance measuring means for automatically and repeatedly measuring the distance to an object; discriminating means for comparing the measured results with one another to discriminate a change, and for providing an activation signal when the change exceeds a predetermined amount; and exposure control means for performing an exposure operation in response to said activation signal.
Claim 3
Dependent Claim
43 words
A camera according to claim 1, wherein said discriminating means comprises counter means for counting the number of changes of the measured results which exceed the predetermined amount, said activation signal being provided when the changes are continuously counted over a predetermined number.
Claim 4
Dependent Claim
30 words
A camera according to claim 2, wherein said discriminating means comprises memory means for storing an initially measured result, to compare said stored value with the measured results obtained thereafter.
Claim 5
Dependent Claim
30 words
A camera according to claim 2, wherein said exposure control means includes timer means for opening a shutter after a predetermined time period measured from reception of said activation signal.
Claim 6
Dependent Claim
16 words
A camera according to claim 4, wherein said timer means comprises self-timer means for self-timer photography.
Claim 7
Dependent Claim
28 words
A camera according to claim 2, wherein said discriminating means comprises means for changing said predetermined amount so that said predetermined amount decreases a said measured results increase.
Claim 8
Dependent Claim
17 words
A camera according to claim 2 wherein said discriminating means comprises means for changing said predetermined amount.
Claim 9
Dependent Claim
33 words
A camera according to claim 1, wherein said discriminating means comprises memory means for storing a first one of the measured results, to compare the stored value with a measured result obtained thereafter.
Claim 10
Dependent Claim
30 words
A camera according to claim 8, wherein said exposure control means includes timer means for opening a shutter after a predetermined time period measured from reception of said activation signal.
Claim 11
Dependent Claim
16 words
A camera according to claim 9, wherein said timer means comprises self-timer means for self-timer photography.
Claim 12
Dependent Claim
28 words
A camera according to claim 8, wherein said discriminating means comprises means for changing said predetermined amount so that said predetermined amount decreases as said measured results increase.
Claim 13
Dependent Claim
17 words
A camera according to claim 8 wherein said discriminating means comprises means for changing said predetermined amount.
Claim 14
Dependent Claim
30 words
A camera according to claim 2, wherein said exposure control means includes timer means for opening a shutter after a predetermined time period measured from reception of said activation signal.
Claim 15
Dependent Claim
16 words
A camera according to claim 13, wherein said timer means comprises self-timer means for self-timer photography.
Claim 16
Dependent Claim
28 words
A camera according to claim 13, wherein said discriminating means comprises means for changing said predetermined amount so that said predetermined amount decreases as said measured results increase.
Claim 17
Dependent Claim
17 words
A camera according to claim 13, wherein said discriminating means comprises means for changing said predetermined amount.
Claim 18
Dependent Claim
28 words
A camera according to claim 1, wherein said discriminating means comprises means for changing said predetermined amount so that said predetermined amount decreases as said measured results increase.
Claim 19
Dependent Claim
22 words
A camera according to claim 1 further comprising first switch means for activating said exposure operation in response to said activation signal.
Claim 20
Dependent Claim
32 words
A camera according to claim 18 further comprising second switch means for prohibiting the exposure operation started by said activation signal when an optical system protection means is in a protecting position.
Claim 21
Dependent Claim
28 words
A camera according to claim 1 further comprising switch means for prohibiting said exposure operation in response to said activation signal by interlocking with optical system protection means.
Claim 22
Dependent Claim
31 words
A camera according to claim 1 further comprising informing means for providing a signal which indicates that said exposure operation is going to be executed in response to said activation signal.
Claim 23
Dependent Claim
17 words
A camera according to claim 1 wherein said discriminating means comprises means for changing said predetermined amount.
Claim 24
Dependent Claim
42 words
A camera according to claim 2, wherein said discriminating means comprises counter means for counting the number of changes of the measured results which exceed the predetermined amount, said activation signal being provided when the changes are counted over a predetermined number.
Claim 25
Dependent Claim
29 words
A camera according to claim 2, wherein said discriminating means comprises memory means for storing the measured results, to compare the stored value with a measured result obtained thereafter.
Claim 26
Dependent Claim
106 words
A camera comprising: distance measuring means for repeatedly measuring the distance to an object; timer means for measuring a predetermined time; memory means for storing a measured result obtained by said distance measuring means before said timer means measures the predetermined time; discriminating means for comparing said measured result with a measured result obtained by said distance measuring means in response to the completion of said predetermined time to discriminate a change in the measured results, and for providing an activation signal when the change does not exceed a predetermined amount; and exposure control means for performing an exposure operation in response to said activation signal.
Claim 27
Dependent Claim
106 words
A camera comprising: distance measuring means for repeatedly measuring the distance to an object; timer means for measuring a predetermined time; memory means for storing a measured result obtained by said distance measuring means before said timer means measures the predetermined time; discriminating means for comparing said measured result with a measured result obtained by said distance measuring means in response to the completion of said predetermined time to discriminate a change in the measured results, and for providing an activation signal when the change does not exceed a predetermined amount; and exposure control means for performing an exposure operation in response to said activation signal.
Claim 28
Dependent Claim
17 words
A camera according to claim 25 wherein said discriminating means comprises means for changing said predetermined amount.
Claim 29
Dependent Claim
28 words
A camera according to claim 25, wherein said discriminating means comprises means for changing said predetermined amount so that said predetermined amount decreases as said measured results increase.
Claim 30
Dependent Claim
101 words
A camera comprising: distance measuring means for automatically and repeatedly measuring a distance to an object; discriminating means for comparing said measured results with one another to discriminate a change and for providing an activation signal in response to the change of said measured results; exposure control means for performing an exposure operation in response to said activation signal; sequential means for sequentially performing closed loop operation between said distance measuring means, said discriminating means and said exposure control means; and timer means for setting a dead time period in said closed loop operation after every completion of one photograph operation.
Claim 31
Dependent Claim
101 words
A camera comprising: distance measuring means for automatically and repeatedly measuring a distance to an object; discriminating means for comparing said measured results with one another to discriminate a change and for providing an activation signal in response to the change of said measured results; exposure control means for performing an exposure operation in response to said activation signal; sequential means for sequentially performing closed loop operation between said distance measuring means, said discriminating means and said exposure control means; and timer means for setting a dead time period in said closed loop operation after every completion of one photograph operation.
Claim 32
Dependent Claim
56 words
A camera comprising: distance measuring means for automatically and repeatedly measuring the distance to an object; discriminating means for comparing the measured results with one another to discriminate a change, and for providing an activation signal when the change exceeds a predetermined amount; and operation means for operating said camera in response to said activation signal.
Claim 33
Dependent Claim
56 words
A camera comprising: distance measuring means for automatically and repeatedly measuring the distance to an object; discriminating means for comparing the measured results with one another to discriminate a change, and for providing an activation signal when the change exceeds a predetermined amount; and operation means for operating said camera in response to said activation signal.
Claim 34
Dependent Claim
42 words
A camera according to claim 27, wherein said discriminating means comprises counter means for counting the number of changes of the measured results which exceed the predetermined amount, said activation signal being provided when the changes are counted over a predetermined number.
Claim 35
Dependent Claim
29 words
A camera according to claim 29, wherein said discriminating means comprises memory means for storing the measured results, to compare the stored value with a measured result obtained thereafter.
Claim 36
Dependent Claim
104 words
A camera comprising: distance measuring means for repeatedly measuring the distance to an object; timer means for measuring a predetermined time; memory means for storing a measured result obtained by said distance measuring means before said timer means measures the predetermined time; discriminating means for comparing said measured result with a measured result obtained by said distance measuring means in response to the completion of said predetermined time to discriminate a change in the measured results, and for providing an activation signal when the change does not exceed a predetermined amount; and operation means for operating said camera in response to said activation signal.
Claim 37
Dependent Claim
104 words
A camera comprising: distance measuring means for repeatedly measuring the distance to an object; timer means for measuring a predetermined time; memory means for storing a measured result obtained by said distance measuring means before said timer means measures the predetermined time; discriminating means for comparing said measured result with a measured result obtained by said distance measuring means in response to the completion of said predetermined time to discriminate a change in the measured results, and for providing an activation signal when the change does not exceed a predetermined amount; and operation means for operating said camera in response to said activation signal.
Claim 38
Dependent Claim
98 words
A camera comprising: distance measuring means for automatically and repeatedly measuring a distance to an object; discriminating means for comparing the measured results with one another to discriminate a change and for providing an activation signal in response to the change of said measured results; operation means for operating said camera in response to said activation signal; sequential means for sequentially performing closed loop operation among said distance measuring means, said discriminating means and said operation means; and timer means for setting a dead time period in said closed loop operation after every completion of one photograph operation.
Claim 39
Dependent Claim
98 words
A camera comprising: distance measuring means for automatically and repeatedly measuring a distance to an object; discriminating means for comparing the measured results with one another to discriminate a change and for providing an activation signal in response to the change of said measured results; operation means for operating said camera in response to said activation signal; sequential means for sequentially performing closed loop operation among said distance measuring means, said discriminating means and said operation means; and timer means for setting a dead time period in said closed loop operation after every completion of one photograph operation.
Claim 40
Dependent Claim
29 words
A camera according to claim 33, wherein said discriminating means comprises memory means for storing the measured results, to compare the stored value with a measured result obtained thereafter.
Claim 41
Dependent Claim
62 words
A control device for a camera, comprising: distance measuring means for automatically and repeatedly measuring the distance to an object; discriminating means for comparing the measured results with one another to discriminate a change, and for providing an activation signal when the change exceeds a predetermined amount; and exposure control means for performing an exposure operation in response to said activation signal.
Claim 42
Dependent Claim
62 words
A control device for a camera, comprising: distance measuring means for automatically and repeatedly measuring the distance to an object; discriminating means for comparing the measured results with one another to discriminate a change, and for providing an activation signal when the change exceeds a predetermined amount; and exposure control means for performing an exposure operation in response to said activation signal.
Claim 43
Dependent Claim
47 words
A control device for a camera according to claim 35, wherein said discriminating means comprises counter means for counting the number of changes of the measured results which exceed the predetermined amount, said activation signal being provided when the changes are continuously counted over a predetermined number.
Claim 44
Dependent Claim
34 words
A control device for a camera according to claim 36, wherein said discriminating means comprises memory means for storing an initially measured result, to compare said stored value with the measured results obtained thereafter.
Claim 45
Dependent Claim
34 words
A control device for a camera according to claim 36, wherein said exposure control means includes timer means for opening a shutter after a predetermined time period measured from repetition of said activation signal.
Claim 46
Dependent Claim
20 words
A control device for a camera according to claim 38, wherein said timer means comprises self-timer means for self-timer photography.
Claim 47
Dependent Claim
32 words
A control device for a camera according to claim 36, wherein said discriminating means comprises means for changing said predetermined amount so that said predetermined amount decreases as said measured results increase.
Claim 48
Dependent Claim
21 words
A control device for a camera according to claim 36 wherein said discriminating means comprises means for changing said predetermined amount.
Claim 49
Dependent Claim
37 words
A control device for a camera according to claim 35, wherein said discriminating means comprises memory means for storing a first one of the measured results, to compare the stored value with a measured result obtained thereafter.
Claim 50
Dependent Claim
34 words
A control device for a camera according to claim 42, wherein said exposure control means includes timer means for opening a shutter after a predetermined time period measured from reception of said activation signal.
Claim 51
Dependent Claim
20 words
A control device for a camera according to claim 43, wherein said timer means comprises self-timer means for self-timer photography.
Claim 52
Dependent Claim
32 words
A control device for a camera according to claim 42, wherein said discriminating means comprises means for changing said predetermined amount so that said predetermined amount decreases as said measured results increase.
Claim 53
Dependent Claim
21 words
A control device for a camera according to claim 42 wherein said discriminating means comprises means for changing said predetermined amount.
Claim 54
Dependent Claim
34 words
A control device for a camera according to claim 35, wherein said exposure control means includes timer means for opening a shutter after a predetermined timer period measured from reception of said activation signal.
Claim 55
Dependent Claim
20 words
A control device for a camera according to claim 47, wherein said timer means comprises self-timer means for self-timer photography.
Claim 56
Dependent Claim
32 words
A control device for a camera according to claim 47, wherein said discriminating means comprises means for changing said predetermined amount so that said predetermined amount decreases as said measured results increase.
Claim 57
Dependent Claim
21 words
A control device for a camera according to claim 47 wherein said discriminating means comprises means for changing said predetermined amount.
Claim 58
Dependent Claim
32 words
A control device for a camera according to claim 35, wherein said discriminating means comprises means for changing said predetermined amount so that said predetermined amount decreases as said measured results increase.
Claim 59
Dependent Claim
26 words
A control device for a camera according to claim 35 further comprising first switch means for activating said exposure operation in response to said activation signal.
Claim 60
Dependent Claim
34 words
A control device for a camera according to claim 52 further comprising second switch means for prohibiting said exposure operation in response to said activation signal by interlocking with an optical system protection means.
Claim 61
Dependent Claim
32 words
A control device for a camera according to claim 35 further comprising switch means for prohibiting said exposure operation in response to said activation signal by interlocking with optical system protection means.
Claim 62
Dependent Claim
35 words
A control device for a camera according to claim 35 further comprising informing means for providing a signal which indicates that said exposure operation is going to be executed in response to said activation signal.
Claim 63
Dependent Claim
21 words
A control device for a camera according to claim 35 wherein said discriminating means comprises means for changing said predetermined amount.
Claim 64
Dependent Claim
42 words
A camera according to claim 35, wherein said discriminating means comprises counter means for counting the number of changes of the measured results which exceed the predetermined amount, said activation signal being provided when the changes are counted over a predetermined number.
Claim 65
Dependent Claim
110 words
A control device for a camera, comprising: distance measuring means for repeatedly measuring the distance to an object; timer means for measuring a predetermined time; memory means for storing a measured result obtained by said distance measuring means before said timer means measures the predetermined time; discriminating means for comparing said measured result with a measured result obtained by said distance measuring means in response to the completion of said predetermined time to discriminate a change in the measured results, and for providing an activation signal when the change does not exceed a predetermined amount; and exposure control means for performing an exposure operation in response to said activation signal.
Claim 66
Dependent Claim
110 words
A control device for a camera, comprising: distance measuring means for repeatedly measuring the distance to an object; timer means for measuring a predetermined time; memory means for storing a measured result obtained by said distance measuring means before said timer means measures the predetermined time; discriminating means for comparing said measured result with a measured result obtained by said distance measuring means in response to the completion of said predetermined time to discriminate a change in the measured results, and for providing an activation signal when the change does not exceed a predetermined amount; and exposure control means for performing an exposure operation in response to said activation signal.
Claim 67
Dependent Claim
21 words
A control device for a camera according to claim 58 wherein said discriminating means comprises means for changing said predetermined amount.
Claim 68
Dependent Claim
32 words
A control device for a camera according to claim 58 wherein said discriminating means comprises means for changing said predetermined amount so that said predetermined amount decreases as said measured results increase.
Claim 69
Dependent Claim
105 words
A control device for a camera, comprising: distance measuring means for automatically and repeatedly measuring a distance to an object; discriminating means for comparing the measured results with one another to discriminate a change, and for providing an activation signal in response to the change of said measured results; exposure control means for performing an exposure operation in response to said activation signal; sequential means for sequentially performing closed loop operation among said distance measuring means, said discriminating means and said exposure control means; and timer means for setting a dead time period in said closed loop operation after every completion of one photograph operation.
Claim 70
Dependent Claim
105 words
A control device for a camera, comprising: distance measuring means for automatically and repeatedly measuring a distance to an object; discriminating means for comparing the measured results with one another to discriminate a change, and for providing an activation signal in response to the change of said measured results; exposure control means for performing an exposure operation in response to said activation signal; sequential means for sequentially performing closed loop operation among said distance measuring means, said discriminating means and said exposure control means; and timer means for setting a dead time period in said closed loop operation after every completion of one photograph operation.
Claim 71
Dependent Claim
60 words
A control device for a camera comprising: distance measuring means for automatically and repeatedly measuring the distance to an object; discriminating means for comparing the measured results with one another to discriminate a change, and for providing an activation signal when the change exceeds a predetermined amount; and operation means for operating said camera in response to said activation signal.
Claim 72
Dependent Claim
60 words
A control device for a camera comprising: distance measuring means for automatically and repeatedly measuring the distance to an object; discriminating means for comparing the measured results with one another to discriminate a change, and for providing an activation signal when the change exceeds a predetermined amount; and operation means for operating said camera in response to said activation signal.
Claim 73
Dependent Claim
42 words
A camera according to claim 62, wherein said discriminating means comprises counter means for counting the number of changes of the measured results which exceed the predetermined amount, said activation signal being provided when the changes are counted over a predetermined number.
Claim 74
Dependent Claim
29 words
A camera according to claim 62, wherein said discriminating means comprises memory means for storing the measured results, to compare the stored value with a measured result obtained thereafter.
Claim 75
Dependent Claim
108 words
A control device for a camera comprising: distance measuring means for repeatedly measuring the distance to an object; timer means for measuring a predetermined time; memory means for storing a measured result obtained by said distance measuring means before said timer means measures the predetermined time; discriminating means for comparing said measured result with a measured result obtained by said distance measuring means in response to the completion of said predetermined time to discriminate a change in the measured results, and for providing an activation signal when the change does not exceed a predetermined amount; and operation means for operating said camera in response to said activation signal.
Claim 76
Dependent Claim
108 words
A control device for a camera comprising: distance measuring means for repeatedly measuring the distance to an object; timer means for measuring a predetermined time; memory means for storing a measured result obtained by said distance measuring means before said timer means measures the predetermined time; discriminating means for comparing said measured result with a measured result obtained by said distance measuring means in response to the completion of said predetermined time to discriminate a change in the measured results, and for providing an activation signal when the change does not exceed a predetermined amount; and operation means for operating said camera in response to said activation signal.
Claim 77
Dependent Claim
102 words
A control device for a camera comprising: distance measuring means for automatically and repeatedly measuring a distance to an object; discriminating means for comparing the measured results with one another to discriminate a change and for providing an activation signal in response to the change of said measured results; operation means for operating said camera in response to said activation signal; sequential means for sequentially performing closed loop operation between said distance measuring means, said discriminating means and said operation means; and timer means for setting a dead time period in said closed loop operation after every completion of one photograph operation.
Claim 78
Dependent Claim
102 words
A control device for a camera comprising: distance measuring means for automatically and repeatedly measuring a distance to an object; discriminating means for comparing the measured results with one another to discriminate a change and for providing an activation signal in response to the change of said measured results; operation means for operating said camera in response to said activation signal; sequential means for sequentially performing closed loop operation between said distance measuring means, said discriminating means and said operation means; and timer means for setting a dead time period in said closed loop operation after every completion of one photograph operation.
References Cited (Backward Citations)
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| 7.5 Years (Year 8) | 1998-09-09 | 1999-03-11 | 1999-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-09 | 2003-03-11 | 2003-09-10 | $7700.00 | Window Closed / Lapsed |