EP0433019A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Information recording/reproduction apparatus for camera
Assignee: Nikon Corp
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Filing: 1990-12-11
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Granted: —
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Expires: 2010-12-11
Abstract
Abstract An information recording/reproduction apparatus for a camera includes a magnetic reading unit which can contact a magnetic recording medium arranged in advance on a film, and a drive control unit for, when the magnetic reading unit reaches a predetermined position with respect to the film, bringing the magnetic reading unit into contact with the magnetic recording medium.
Inventors
- 👤 Kazuyuki Kazami
- 👤 Koichi Daitoku
- 👤 Tsutomu Wakabayashi
- 👤 Tetsuro Goto
- 👤 Akira Ezawa
- 👤 Naoki Tomino
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 14:25
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/24; G03B17/00; G03B17/24; G03B2217/00; G03B2217/24; G03B2217/242; G03B2217/244; G03B2217/246
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
55 words
An information recording/reproduction apparatus for a camera, comprising: magnetic reading means which can contact a magnetic recording medium arranged in advance on a film; and drive control means for, when said magnetic reading means reaches a predetermined position with respect to the film, bringing said magnetic reading means into contact with said magnetic recording medium.
Claim 2
Dependent Claim
131 words
An information recording/reproduction apparatus for a camera, comprising: film feed means for taking up a film loaded in the camera around a take-up spool; a magnetic head which can contact a magnetic recording medium arranged in advance on a film; detection means for detecting that said magnetic recording medium of said film reaches a predetermined position of said film by a feed operation by said film feed means, and outputting a detection signal; drive control means for bringing said magnetic head into contact with said magnetic recording medium in accordance with the detection signal from said detection means; and information transfer means, responsive to the magnetic head contact operation by said drive control means, for reproducing information recorded on said magnetic recording medium and/or recording information on said magnetic recording medium.
Claim 3
Dependent Claim
51 words
An apparatus according to claim 2, wherein said detection means detects that said recording medium is not located at the predetermined position of the camera, and outputs an absence signal, and said drive control means returns said magnetic head from said magnetic recording medium on the basis of the absence signal.
Claim 4
Dependent Claim
47 words
An apparatus according to claim 3, wherein said detection means includes a counter for counting passing perforations of the film, outputs the detection signal when said counter counts a predetermined number of perforations, and outputs the absence signal when said counter detects another predetermined number of perforations.
Claim 5
Dependent Claim
18 words
An apparatus according to claim 3, wherein said information transfer means records information in units of photographed frames.
Claim 6
Dependent Claim
39 words
An apparatus according to claim 5, wherein said magnetic head is brought into contact with the film after an exposure operation of the camera is performed, and said magnetic head is returned after a frame feed operation is performed.
Claim 7
Dependent Claim
52 words
An apparatus according to claim 3, wherein said drive control means does not return said magnetic head after photographing operations of all the frames are completed, and said information transfer means records information associated with all the photographing operations on a magnetic recording medium arranged on a predetermined portion of the film.
Claim 8
Dependent Claim
70 words
An apparatus according to claim 3, wherein said drive control means returns said magnetic head after photographing operations of all the frames are completed, and brings said magnetic head into contact with the film again after a rewind operation of the film is performed, and said information transfer means records information associated with all the photographing operations on a magnetic recording medium arranged on a starting portion of the film.
Claim 9
Dependent Claim
150 words
An information recording/reproduction apparatus for a camera, comprising: film feed means for taking up a film loaded in the camera around a take-up spool; a magnetic head which can contact a magnetic recording medium arranged in advance on a film; first detection means for detecting a first region where a magnetic recording medium for recording information associated with the film is arranged, and outputting a first detection signal; second detection means for detecting a second region for recording image information based on a photographing operation, and outputting a second detection signal; drive control means for bringing said magnetic head into contact with said magnetic recording medium on the basis of said first and second detection signals; and information transfer means for reproducing information recorded on said magnetic recording medium and/or recording information on said magnetic recording medium in accordance with the magnetic head contact operation by said drive control means.
Claim 10
Dependent Claim
44 words
An apparatus according to claim 9, wherein said first detection means detects the first region on the basis of first perforations formed in the film, and said second detection means detects the second region on the basis of second perforations formed in the film.
Claim 11
Dependent Claim
52 words
An apparatus according to claim 9; wherein said drive control means does not return said magnetic head after photographing operations of all the frames are completed, and said information transfer means records information associated with all the photographing operations on a magnetic recording medium arranged on an end portion of the film.
Claim 12
Dependent Claim
67 words
An apparatus according to claim 9, wherein said drive control means does not return said magnetic head during a rewind operation of the film after photographing operations of all the frames are completed, and said information transfer means records information associated with all the photographing operations on a magnetic recording medium arranged on a starting portion of the film while the rewound film is wound up again.
Claim 13
Dependent Claim
69 words
An apparatus according to claim 9, wherein said drive control means does not return said magnetic head during a rewind operation of the film after photographing operations of all the frames are completed, and said information transfer inverts an order of information associated with all the photographing operations and records the information on a magnetic recording medium arranged on a starting portion of the film during the rewind operation.
Claim 14
Dependent Claim
80 words
An apparatus according to claim 9, wherein said drive control means does not return said magnetic head during a rewind operation of the film after photographing operations of all the frames are completed, and said information transfer means generates inverted information obtained by inverting an order of information associated with all the photographing operations and records the inverted information on a magnetic recording medium arranged on a starting portion of the film together with original information during the rewind operation.
Claim 15
Dependent Claim
97 words
An apparatus according to claim 9, wherein said drive control means does not return said magnetic head during a rewind operation of the film after photographing operations of all the frames are completed, and said information transfer means records information associated with all the photographing operations on a magnetic recording medium arranged on a starting portion of the film during the rewind operation of the film, the information associated with all the photographing operations being read out by said information transfer means while the film is wound up, and an order of the readout information being inverted.
Claim 16
Dependent Claim
145 words
An information recording/reproduction apparatus for a camera, comprising: film feed means for taking up a film loaded in the camera around a take-up spool; a magnetic head which is brought into contact with a magnetic recording medium arranged in advance on said film to record/reproduce information; detection means for detecting that said magnetic recording medium of said film reaches a predetermined position of said film by a feed operation by said film feed means, and outputting a detection signal; discrimination means for discriminating a use state of the loaded film, and outputting a discrimination signal; drive control means for bringing said magnetic head into contact with said magnetic recording medium in accordance with the detection signal and the discrimination signal; and information recording/reproducing means for reproducing/recording information from/on said magnetic recording medium in accordance with the magnetic head contact operation by said drive control means.
Claim 17
Dependent Claim
23 words
An apparatus according to claim 16, wherein said discrimination means discriminates a fully photographed film, a partially photographed film, and an unused film.
Claim 18
Dependent Claim
27 words
An apparatus according to claim 17, further comprising: alarm means form, when said discrimination means outputs the discrimination signal indicating the fully photographed film, generating an alarm.
Claim 19
Dependent Claim
163 words
An information recording/reproduction apparatus for a camera, which is used in an automatic loading type camera for feeding a film from a film patrone loaded in one side of a camera main body, comprising: a take-up spool for taking up the film which is fed from said film patrone and reaches the other side of said camera main body via a film path opposing an aperture of said camera main body; a magnetic recording magnetic head which is reciprocal in a direction perpendicular to a film surface in a portion adjacent to the aperture; locking means for locking movement of said magnetic head in a direction to urge said magnetic head against the film surface at an escape position; and urging means, which is reciprocally arranged in a film path between said magnetic head and said take-up spool, for detecting a leading end of the film, releasing a locked state by said locking means, and urging said magnetic head against the film surface.
Claim 20
Dependent Claim
56 words
An apparatus according to claim 19, further comprising: biasing means for urging said magnetic head against the film surface; detection means for detecting loading of said film patrone into said camera main body; and control means for causing said biasing means to store a biasing force in accordance with a detection operation of said detection means.
Claim 21
Dependent Claim
99 words
An information recording/reproduction apparatus for a camera, which comprises a magnetic head for recording information on a film or reading out information recorded on the film, comprising: a head drive portion for causing said magnetic head to abut against or return from the film; a setting portion which is moved to positions corresponding to at least two states including a photographing state and a non-photographing state to determine whether or not a photographing operation can be performed; and a setting position information transmission portion for moving said head drive portion in accordance with the position of said setting portion.
Claim 22
Dependent Claim
78 words
An information recording/reproduction apparatus for a camera, which comprises a magnetic head for recording information on a film or reading out information recorded on the film, and a lens barrel moved in accordance with a photographing state, comprising: a head drive portion for causing said magnetic head to abut against or return from the film; and a control portion for controlling an abut/return operation of said head drive portion in accordance with a position of said lens barrel.
Claim 23
Dependent Claim
79 words
An apparatus according to claim 22, wherein said lens barrel is moved to one of a photographing position for allowing a photographing operation, and a non-photographing position for inhibiting a photographing operation, and said control portion causes said magnetic head to abut against the film in response to movement of said lens barrel to the photographing position, and causes said magnetic head to abut against the film in response to movement of said lens barrel to the non-photographing position.
Claim 24
Dependent Claim
69 words
An information recording/reproduction apparatus for a camera, the apparatus comprising head means for recording and/or reproducing information stored by a recording medium carried by a photographic film loaded into the camera, the apparatus further comprising means responsive to a control signal for moving the head means between an operational position in which said recording and/or reproduction operation can take place and a non-operational position further away from the film.
Claim 25
Dependent Claim
12 words
A camera having information recording/reproduction apparatus as claimed in any preceding claim.
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