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US5283604A Expired / Lapsed US ⏱️ 0.0 years remaining

Camera which reads information from a stabilized film cartridge

Assignee: Canon Inc
•
Filing: 1991-12-04
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Granted: 1994-02-01
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Expires: 2011-12-04
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Abstract

Abstract A camera using a film cartridge having an information recording member movable with the rotation of a film feed spool, the camera having an information reader for reading information from the information recording member during rotation of the same, a film feeder for feeding the film, and a controller for substantially starting the reading performed by the information reader after the film feeding performed by the film feeder has been stabilized.

Inventors

  • 👤 Chikara Aoshima

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 01:25
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/30; G03B2206/00; G03B2206/004; G03B2206/006; G03B2206/008; G03B2217/00; G03B2217/24; G03B2217/242; G03B2217/244

Claims Analysis

Total Claims: 46
Claim 1
Independent Claim 115 words
A camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, said camera comprising: (a) information reading means for reading information from the information recording member during rotation thereof; (b) film feed means for feeding the film; (c) a film take-up spool for receiving the film fed by said film feeding means; and (d) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film reading is initiated, wherein the predetermined time is a time at which the film leader portion becomes wrapped around said film take-up spool.
Claim 2
Dependent Claim 115 words
A camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, said camera comprising: (a) information reading means for reading information from the information recording member during rotation thereof; (b) film feed means for feeding the film; (c) a film take-up spool for receiving the film fed by said film feeding means; and (d) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film reading is initiated, wherein the predetermined time is a time at which the film leader portion becomes wrapped around said film take-up spool.
Claim 3
Dependent Claim 22 words
A camera according to claim 1, wherein said information reading means comprises means for reading bar-code information from the information recording member.
Claim 4
Dependent Claim 21 words
A camera according to claim 1, wherein said film feed means comprises means for extruding the film from the film cartridge.
Claim 5
Dependent Claim 122 words
A camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, said camera comprising: (a) information reading means for reading information from the information recording member during rotation thereof; (b) film feed means for feeding the film; (c) magnetic action means for performing at least one of a writing operation and a reading operation at a magnetic recording portion of the film; (d) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film feeding is initiated, wherein the predetermined time is a time at which the film leader portion passes said magnetic action means.
Claim 6
Dependent Claim 122 words
A camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, said camera comprising: (a) information reading means for reading information from the information recording member during rotation thereof; (b) film feed means for feeding the film; (c) magnetic action means for performing at least one of a writing operation and a reading operation at a magnetic recording portion of the film; (d) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film feeding is initiated, wherein the predetermined time is a time at which the film leader portion passes said magnetic action means.
Claim 7
Dependent Claim 22 words
A camera according to claim 4, wherein said information reading means comprises means for reading bar-code information from the information recording member.
Claim 8
Dependent Claim 21 words
A camera according to claim 4, wherein said film feed means comprises means for extruding the film from the film cartridge.
Claim 9
Dependent Claim 111 words
A camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, said camera comprising: (a) information reading means for reading information from the information recording member during rotation thereof; (b) film feed means for feeding the film; (c) film position restriction means for restricting the position of the film; and (d) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film feeding is initiated, wherein the predetermined time is a time at which the film leader portion passes said film position restriction means.
Claim 10
Dependent Claim 111 words
A camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, said camera comprising: (a) information reading means for reading information from the information recording member during rotation thereof; (b) film feed means for feeding the film; (c) film position restriction means for restricting the position of the film; and (d) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film feeding is initiated, wherein the predetermined time is a time at which the film leader portion passes said film position restriction means.
Claim 11
Dependent Claim 22 words
A camera according to claim 7, wherein said information reading means comprises means for reading bar-code information from the information recording member.
Claim 12
Dependent Claim 21 words
A camera according to claim 7, wherein said film feed means comprises means for extruding the film from the film cartridge.
Claim 13
Dependent Claim 98 words
A camera using a film cartridge containing a film with a leader portion and having an information recording member rotatable with the rotation of a film feed spool, said camera comprising: information reading means for reading information from the information recording member during rotation thereof; film feed means for feeding the film; film position detection means for detecting a position of the film leader portion; and control means for controlling said information reading means to begin reading the information substantially at a time when said film position detection means detects the film leader portion at a predetermined position.
Claim 14
Dependent Claim 98 words
A camera using a film cartridge containing a film with a leader portion and having an information recording member rotatable with the rotation of a film feed spool, said camera comprising: information reading means for reading information from the information recording member during rotation thereof; film feed means for feeding the film; film position detection means for detecting a position of the film leader portion; and control means for controlling said information reading means to begin reading the information substantially at a time when said film position detection means detects the film leader portion at a predetermined position.
Claim 15
Dependent Claim 43 words
A camera according to claim 10, further comprising a pressure plate defining a path along which the film is fed, and wherein said film position detection means comprises means for detecting when the film leader portion passes a portion of said pressure plate.
Claim 16
Dependent Claim 52 words
A camera according to claim 10, further comprising: magnetic action means for performing at least one of a writing operation and a reading operation at a magnetic recording portion of the film; wherein said film position detection means comprises means for detecting when the film leader portion passes said magnetic action means.
Claim 17
Dependent Claim 15 words
A camera according to claim 12, wherein said magnetic action means comprises a magnetic head.
Claim 18
Dependent Claim 40 words
A camera according to claim 10, further comprising: film position restriction means for restriction the position of the film, wherein said film position detection means comprises means for detecting when the film leader portion passes said film position restriction means.
Claim 19
Dependent Claim 16 words
A camera according to claim 10, wherein said film position detection means comprises an optical detector.
Claim 20
Dependent Claim 16 words
A camera according to claim 10, wherein said film position detection means comprises a mechanical detector.
Claim 21
Dependent Claim 44 words
A camera according to claim 10, further comprising a film take-up spool for receiving the film fed by said film feed means, wherein said control means comprises state detection means for detecting when the film leader portion becomes wrapped around said film take-up spool.
Claim 22
Dependent Claim 24 words
A camera according to claim 17, wherein said state detection means comprises means for detecting a change in a traveling speed of the film.
Claim 23
Dependent Claim 15 words
A camera according to claim 17, wherein said state detection means comprises a mechanical detector.
Claim 24
Dependent Claim 123 words
An information reading apparatus for a camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, wherein the camera has film feed means for feeding the film and a film take-up spool for receiving the film fed by the film feed means, said apparatus comprising: (a) information reading means for reading information from the information recording member during movement thereof; and (b) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film feeding is initiated, wherein the predetermined time is a time at which the film leader portion becomes wrapped around the film take-up spool.
Claim 25
Dependent Claim 123 words
An information reading apparatus for a camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, wherein the camera has film feed means for feeding the film and a film take-up spool for receiving the film fed by the film feed means, said apparatus comprising: (a) information reading means for reading information from the information recording member during movement thereof; and (b) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film feeding is initiated, wherein the predetermined time is a time at which the film leader portion becomes wrapped around the film take-up spool.
Claim 26
Dependent Claim 24 words
An information reading apparatus according to claim 20, wherein said information reading means comprises means for reading bar-code information from the information recording member.
Claim 27
Dependent Claim 23 words
An information reading apparatus according to claim 20, wherein the film feed means comprises means for extruding the film from the film cartridge.
Claim 28
Dependent Claim 131 words
An information reading apparatus for a camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, wherein the camera has film feed means for feeding the film and magnetic action means for performing at least one of a writing operation and a reading operation at a magnetic recording portion of the film, said apparatus comprising: (a) information reading means for reading information from the information recording member during movement thereof; and (b) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film feeding is initiated, wherein the predetermined time is a time at which the film leader portion passes the magnetic action means.
Claim 29
Dependent Claim 131 words
An information reading apparatus for a camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, wherein the camera has film feed means for feeding the film and magnetic action means for performing at least one of a writing operation and a reading operation at a magnetic recording portion of the film, said apparatus comprising: (a) information reading means for reading information from the information recording member during movement thereof; and (b) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film feeding is initiated, wherein the predetermined time is a time at which the film leader portion passes the magnetic action means.
Claim 30
Dependent Claim 24 words
An information reading apparatus according to claim 23, wherein said information reading means comprises means for reading bar-code information from the information recording member.
Claim 31
Dependent Claim 23 words
An information reading apparatus according to claim 23, wherein the film feed means comprises means for extruding the film from the film cartridge.
Claim 32
Dependent Claim 122 words
An information reading apparatus for a camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, wherein the camera has film feed means for feeding the film and film position restriction means for restricting the position of the film, said apparatus comprising: (a) information reading means in the camera for reading information from the information recording member during movement thereof; and (b) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film feeding is initiated, wherein the predetermined time is a time at which the film leader portion passes the film position restriction means.
Claim 33
Dependent Claim 122 words
An information reading apparatus for a camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, wherein the camera has film feed means for feeding the film and film position restriction means for restricting the position of the film, said apparatus comprising: (a) information reading means in the camera for reading information from the information recording member during movement thereof; and (b) control means for controlling said information reading means to begin reading the information substantially at a predetermined time after the film feeding is initiated, wherein the predetermined time is a time at which the film leader portion passes the film position restriction means.
Claim 34
Dependent Claim 24 words
An information reading apparatus according to claim 26, wherein said information reading means comprises means for reading bar-code information from the information recording member.
Claim 35
Dependent Claim 23 words
An information reading apparatus according to claim 26, wherein the film feed means comprises means for extruding the film from the film cartridge.
Claim 36
Dependent Claim 128 words
An information reading apparatus for a camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, wherein the camera has film fed means for feeding the film and film position detection means for detecting a position of the film leader portion and outputting a signal indicative of the position, said apparatus comprising: (a) information reading means for reading information from the information recording member during rotation thereof; and (b) control means for receiving the signal from the film position detection means and controlling said information reading means to begin reading the information substantially at a time when the film position detection means detects the film leader portion at a predetermined position.
Claim 37
Dependent Claim 128 words
An information reading apparatus for a camera using a film cartridge containing a film with a leader portion and having an information recording member movable with the rotation of a film feed spool, wherein the camera has film fed means for feeding the film and film position detection means for detecting a position of the film leader portion and outputting a signal indicative of the position, said apparatus comprising: (a) information reading means for reading information from the information recording member during rotation thereof; and (b) control means for receiving the signal from the film position detection means and controlling said information reading means to begin reading the information substantially at a time when the film position detection means detects the film leader portion at a predetermined position.
Claim 38
Dependent Claim 76 words
An information reading apparatus according to claim 29, wherein the camera includes a pressure plate defining a path along which the film is fed, and the film position detection means comprises means for detecting when the film leader portion passes a portion of the pressure plate, wherein said control means controls said information leading means to begin reading the information substantially when the film position detection means detects the film leader portion passing the pressure plate.
Claim 39
Dependent Claim 87 words
An information reading apparatus according to claim 29, wherein the camera includes magnetic action means for performing at least one of a writing operation and a reading operation at a magnetic recording portion of the film, and the film position detection means comprises means for sensing that the film leader portion passes said magnetic action means, wherein said control means controls said information reading means to begin reading the information substantially when the film position detection means senses the film leader portion passing the magnetic action means.
Claim 40
Dependent Claim 17 words
An information reading apparatus according to claim 31, wherein the magnetic action means comprises a magnetic head.
Claim 41
Dependent Claim 76 words
An information reading apparatus according to claim 29, wherein the camera includes film position restriction means for restricting the position of the film, and the film position detection means comprises means for detecting when the film leader portion passes said film position restriction means, wherein said control means controls said information reading means to begin reading the information substantially when the film position detection means detects the film leader portion passing the film position restriction means.
Claim 42
Dependent Claim 17 words
An information reading apparatus according to claim 29, wherein the position detection means comprises an optical detector.
Claim 43
Dependent Claim 18 words
An information reading apparatus according to claim 29, wherein the film position detection means comprises a mechanical detector.
Claim 44
Dependent Claim 49 words
An information reading apparatus according to claim 29, wherein the camera includes a film take-up spool for receiving the film fed by the film feed means, and wherein said control means comprises state detection means for detecting when the film leader portion becomes wrapped around the film take-up spool.
Claim 45
Dependent Claim 26 words
An information reading apparatus according to claim 36, wherein said state detection means comprises means for detecting a change in a traveling speed of the film.
Claim 46
Dependent Claim 17 words
An information reading apparatus according to claim 26, wherein said state detection means comprises a mechanical detector.

References Cited (Backward Citations)

US4834306A Cited
US4939531A Cited
US4996546A Cited
US5032854A Cited
US5025274A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-01-31 1997-08-02 1998-02-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-01-31 2001-08-02 2002-02-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-01-31 2005-08-02 2006-02-01 $7700.00 Window Closed / Lapsed

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