US4774534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data recorder for camera
Assignee: Canon Inc
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Filing: 1986-12-09
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Granted: 1988-09-27
•
Expires: 2006-12-09
Abstract
Abstract In a data recorder for a camera having a data storing memory and control device for causing data to be recorded frame by frame for every photographed frame in the memory, film presence or absence discriminating device is arranged to inhibit data from being recorded in the data storing memory when the absence of the film is detected from a film detection signal received.
Inventors
- 👤 Jiro Kazumi
- 👤 Shinichi Tsujimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:02
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/24; G03B17/00; G03B17/18
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
111 words
A data recorder for a camera, comprising: (a) memory means for recording photographic data, said memory means remaining stationary with respect to the camera in response to the loading or unloading of photosensitive material in or from the camera; (b) control means for causing said photographic data to be recorded in said memory means frame by frame for every photographed frame; and (c) discriminating means for discriminating the loaded or unloaded state of the photosensitive material, said discriminating means being arranged to inhibit said control means from causing said photographic data to be recorded frame by frame in said memory means when the unloaded state of said photosensitive material is discriminated.
Claim 2
Dependent Claim
111 words
A data recorder for a camera, comprising: (a) memory means for recording photographic data, said memory means remaining stationary with respect to the camera in response to the loading or unloading of photosensitive material in or from the camera; (b) control means for causing said photographic data to be recorded in said memory means frame by frame for every photographed frame; and (c) discriminating means for discriminating the loaded or unloaded state of the photosensitive material, said discriminating means being arranged to inhibit said control means from causing said photographic data to be recorded frame by frame in said memory means when the unloaded state of said photosensitive material is discriminated.
Claim 3
Dependent Claim
38 words
A data recorder according to claim 1, wherein said photosensitive material is housed in a film cartridge, and wherein said discriminating means includes film cartridge detecting means for detecting whether said film cartridge is loaded in the camera.
Claim 4
Dependent Claim
32 words
A data recorder according to claim 2, wherein the camera comprises a film cartridge chamber, and wherein said film cartridge detecting means is disposed within said film cartridge chamber of the camera.
Claim 5
Dependent Claim
32 words
A data recorder according to claim 2, wherein the camera comprises a lid for loading and unloading said film cartridge, and wherein said film cartridge detecting means is disposed on said lid.
Claim 6
Dependent Claim
45 words
A data recorder according to claim 1, wherein said control means includes photographic frame member detection means which is arranged to prevent said frame-by-frame photographic data from being recorded in said memory means in the event that the number of the photographing frame is zero.
Claim 7
Dependent Claim
43 words
A data recorder according to claim 5, wherein said discriminating means is arranged to produce and supply a signal indicative of a photographing frame number of zero to said control means in response to discrimination of the unloaded state of said photosensitive material.
Claim 8
Dependent Claim
45 words
A data recorder according to claim 1, wherein said discriminating means includes frame feed confirming means arranged to inhibit said control means from causing said frame-by-frame photographic data to be recorded in said memory means until said photosensitive material is fed by a predetermined amount.
Claim 9
Dependent Claim
16 words
A data recorder according to claim 1, further comprising display means for displaying said photographic data.
Claim 10
Dependent Claim
30 words
A data recorder according to claim 8, wherein said display means is arranged to display said photographic data even when said photographic data is not recorded in said memory means.
Claim 11
Dependent Claim
100 words
A photographic information recording device for a camera, comprising: (a) memory means for recording phoographic information, said memory means remaining stationary with respect to the camera in response to the loading or unloading of photosensitive means in or from the camera; (b) control means for causing said photographic information to be recorded in said memory means; and (c) disciminating means for discriminating the loaded or unloaded state of the photosensitive material, said discriminating means being arranged to inhibit said photographic information from said recorded in said memory means in response to discrimination of the unloaded state of said photosensitive material.
Claim 12
Dependent Claim
100 words
A photographic information recording device for a camera, comprising: (a) memory means for recording phoographic information, said memory means remaining stationary with respect to the camera in response to the loading or unloading of photosensitive means in or from the camera; (b) control means for causing said photographic information to be recorded in said memory means; and (c) disciminating means for discriminating the loaded or unloaded state of the photosensitive material, said discriminating means being arranged to inhibit said photographic information from said recorded in said memory means in response to discrimination of the unloaded state of said photosensitive material.
Claim 13
Dependent Claim
35 words
A device according to claim 10, wherein the photosensitive material is contained in a film cartridge, and wherein said discriminating means includes detecting means for detecting a loaded or unloaded state of said film cartridge.
Claim 14
Dependent Claim
29 words
A device according to claim 11, wherein the camera includes a film cartridge chamber, and wherein said detecting means is disposed within the film cartridge chamber of said camera.
Claim 15
Dependent Claim
30 words
A device according to claim 11, wherein the camera comprises a lid for loading and unloading of the film cartridge and wherein said detecting means is disposed on said lid.
Claim 16
Dependent Claim
43 words
A device according to claim 10, wherein said control means includes photographing frame number detection means which is arranged to prevent said photographic information from being recorded in said memory means in the event that the number of the photographing frame is zero.
Claim 17
Dependent Claim
42 words
A device according to claim 14, wherein said discriminating means is arranged to produce and supply a signal indicative of a photographing frame number of zero to said control means in response to discrimating of the unloaded state of said photosensitive material.
Claim 18
Dependent Claim
43 words
A device according to claim 10, wherein said discriminating means includes frame feed confirming means arranged to inhibit said control means from causing said photographic information to be recorded in said memory means until said photosensitive material is fed in a predetermined amount.
Claim 19
Dependent Claim
15 words
A device according to claim 19, further comprising display means for displaying said photographic information.
Claim 20
Dependent Claim
29 words
A device according to claim 17, wherein said display means is arranged to display said photographic information even when said photographic information is not recorded in said memory means.
Claim 21
Dependent Claim
99 words
A camera system, comprising: (a) memory means for memorizing data, said memory means being undisplaced in response to displacement of a photosensitive material with respect to said camera system or being non-integral with the photosensitive material; (b) control means for causing data for every photographed frame to be memorized in said memory means; and (c) discriminating means for discriminating a loaded or unloaded state of the photosensitive material, said discriminating means being arranged to inhibit said control means form causing said data to be memorized in said memory means when the unloaded state of said photosensitive material is discriminated.
Claim 22
Dependent Claim
99 words
A camera system, comprising: (a) memory means for memorizing data, said memory means being undisplaced in response to displacement of a photosensitive material with respect to said camera system or being non-integral with the photosensitive material; (b) control means for causing data for every photographed frame to be memorized in said memory means; and (c) discriminating means for discriminating a loaded or unloaded state of the photosensitive material, said discriminating means being arranged to inhibit said control means form causing said data to be memorized in said memory means when the unloaded state of said photosensitive material is discriminated.
Claim 23
Dependent Claim
42 words
A camera system according to claim 19, wherein the photographic material is housed in a film cartridge, and wherein said discriminating means includes film cartridge detecting means for detecting whether said film cartridge is loaded in or unloaded from said camera system.
Claim 24
Dependent Claim
38 words
A camera system according to claim 20, wherein said camera system has a film cartridge chamber for storing the film cartridge, and wherein said film cartridge detecting means is disposed within said film cartridge chamber of said camera.
Claim 25
Dependent Claim
29 words
A camera system according to claim 20, further comprising a lid for loading and unloading the film cartridge, wherein said film cartridge detecting means is disposed on said lid.
Claim 26
Dependent Claim
43 words
A camera system according to claim 19, wherein said control means includes photographing frame number detection means which is arranged to prevent said data from being memorized in said memory means in the event that the number of the photographing frame is zero.
Claim 27
Dependent Claim
43 words
A camera system according to claim 23, wherein said discriminating means is arranged to produce and supply a singal indicative of a photographing frame number of zero to said control means in response to discrimination of the unloaded state of said photosensitive material.
Claim 28
Dependent Claim
43 words
A camera system according to claim 19, wherein said discriminating means includes frame feed confirming means arranged to inhibit said control means from causing said data to be memorized in said memory means until the photosensitive material is fed in a predetermined amount.
Claim 29
Dependent Claim
15 words
A camera system according to claim 19, further comprising display means for displaying said data.
Claim 30
Dependent Claim
27 words
A camera system according to claim 26, wherein said display means is arranged to display said data when said data is not memorized in said memory means.
Claim 31
Dependent Claim
93 words
A camera system, comprising: (a) memory means for memorizing information, said memory means being undisplaced in response to displacement of a photosensitive material with respect to said camera system or being non-integral with the photosensitive material; (b) control means for causing said information to be memorized in said memory means; and (c) discriminating means for discriminating a loaded or unloaded state of the photosensitive material, said discriminating means being arranged to inhibit said information from being memorized in said memory means in response to discrimination of the unloaded state of said photosensitive material.
Claim 32
Dependent Claim
93 words
A camera system, comprising: (a) memory means for memorizing information, said memory means being undisplaced in response to displacement of a photosensitive material with respect to said camera system or being non-integral with the photosensitive material; (b) control means for causing said information to be memorized in said memory means; and (c) discriminating means for discriminating a loaded or unloaded state of the photosensitive material, said discriminating means being arranged to inhibit said information from being memorized in said memory means in response to discrimination of the unloaded state of said photosensitive material.
Claim 33
Dependent Claim
34 words
A camera system according to claim 28, wherein the photosensitive material is housing in a cartridge and wherein said discriminating means includes detecting means for detecting a loaded or unloaded state of the cartridge.
Claim 34
Dependent Claim
33 words
A camera system according to claim 29, wherein said camera system has a cartridge chamber for storing the cartridge, and wherein said detecting means is disposed within the cartridge chamber of said camera.
Claim 35
Dependent Claim
26 words
A camera system according to claim 29, further comprising a lid for loading and unloading the cartridge, wherein said detecting means is disposed on said lid.
Claim 36
Dependent Claim
43 words
A camera system according to claim 28, wherein said control means includes photographing frame number detecting means which is arranged to prevent said information from being memorized in said memory means in the event that the number of the photographing frame is zero.
Claim 37
Dependent Claim
43 words
A camera system according to claim 32, wherein said discriminating means is arranged to produce and supply a signal indicative of a photographing frame number of zero to said control means in response to discrimination of the unloaded state of the photosensitive material.
Claim 38
Dependent Claim
43 words
A camera system according to claim 28, wherein said discriminating means includes frame feed confirming means arranged to inhibit said control means from causing said information to be memorized in said memory means until the photosensitive material is fed in a predetermined amount.
Claim 39
Dependent Claim
15 words
A camera system according to claim 28, further comprising display means for displaying said information.
Claim 40
Dependent Claim
27 words
A camera system according to claim 35, wherein said display means is arranged to display said information when said information is not memorized in said memory means.
References Cited (Backward Citations)
US4103307A
Cited
US4500183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-09-27 | 1992-03-28 | 1992-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-27 | 1996-03-28 | 1996-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-27 | 2000-03-28 | 2000-09-27 | $7700.00 | Window Closed / Lapsed |