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US5285232A Expired / Lapsed US ⏱️ 0.0 years remaining

Red-eye phenomenon preventing device

Assignee: Canon Inc
•
Filing: 1992-09-22
•
Granted: 1994-02-08
•
Expires: 2012-09-22
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Abstract

Abstract A red-eye phenomenon preventing device includes a light emitting part for flash photography, a light emitting part for preventing the red-eye phenomenon, a reflection shade arranged to surround the light emitting part for flash photography and the light emitting part for preventing the red-eye phenomenon, and a protector disposed in front of the light emitting part for flash photography and the light emitting part for preventing the red-eye phenomenon.

Inventors

  • 👤 Hidenori Taniguchi
  • 👤 Kazuo Ikawa
  • 👤 Masayoshi Kiuchi
  • 👤 Michio Hirohata

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 13:51
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/05; G03B2215/00; G03B2215/05; G03B2215/0503; G03B2215/0507; G03B2215/0514; G03B2215/056

Claims Analysis

Total Claims: 72
Claim 1
Independent Claim 141 words
A red-eye phenomenon preventing device comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon, said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; d) a protector disposed in front of said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon; and e) control means including first means for excitation of said light emitting element for preventing the red-eye phenomenon for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube for flash photography.
Claim 2
Dependent Claim 141 words
A red-eye phenomenon preventing device comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon, said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; d) a protector disposed in front of said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon; and e) control means including first means for excitation of said light emitting element for preventing the red-eye phenomenon for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube for flash photography.
Claim 3
Dependent Claim 15 words
A device according to claim 1, wherein said flash tube is a xenon flash tube.
Claim 4
Dependent Claim 21 words
A device according to claim 2, wherein said light emitting element for preventing the red-eye phenomenon is a preliminary illumination lamp.
Claim 5
Dependent Claim 21 words
A device according to claim 1, wherein said light emitting element for preventing the red-eye phenomenon is a preliminary illumination lamp.
Claim 6
Dependent Claim 29 words
A device according to claim 1, wherein said light emitting element for preventing the red-eye phenomenon is disposed on an optical axis of said flash tube for flash photography.
Claim 7
Dependent Claim 13 words
A device according to claim 1, wherein said protector includes a condenser lens.
Claim 8
Dependent Claim 38 words
A device according to claim 1, further comprising light distribution characteristic varying means for varying a light distribution characteristic of said flash tube for flash photography and that of said light emitting element for preventing the red-eye phenomenon.
Claim 9
Dependent Claim 35 words
A device according to claim 7, wherein said light distribution characteristic varying means includes means for varying said light distribution characteristic in accordance with a change in the focal length of a photo-taking optical system.
Claim 10
Dependent Claim 55 words
A device according to claim 7, wherein said light distribution characteristic varying means includes means for reducing the angle of illumination of said flash tube for flash photography and that of said light emitting element for preventing the red-eye phenomenon as the focal length of said photo-taking optical system changes to a longer focal length.
Claim 11
Dependent Claim 55 words
A device according to claim 7, wherein said light distribution characteristic varying means includes means for increasing the angle of illumination of said flash tube for flash photography and that of said light emitting element for preventing the red-eye phenomenon as the focal length of said photo-taking optical system changes to a shorter focal length.
Claim 12
Dependent Claim 26 words
A device according to claim 7, wherein said light distribution characteristic varying means includes means for moving said light emitting element for preventing the red-eye phenomenon.
Claim 13
Dependent Claim 26 words
A device according to claim 7, wherein said light distribution characteristic varying means includes means for driving said light emitting element for preventing the red-eye phenomenon.
Claim 14
Dependent Claim 20 words
A device according to claim 7, wherein said light distribution characteristic varying means includes means for moving said reflection shade.
Claim 15
Dependent Claim 20 words
A device according to claim 7, wherein said light distribution characteristic varying means includes means for driving said reflection shade.
Claim 16
Dependent Claim 42 words
A device according to claim 1, further comprising a transistor for turning on said light emitting element for preventing the red-eye phenomenon, said light emitting element for preventing the red-eye phenomenon being connected between an emitter of said transistor and a ground.
Claim 17
Dependent Claim 142 words
A red-eye phenomenon preventing device comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon, said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; d) a condenser lens disposed in front of said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon; and e) control means including first means for excitation of said light emitting element for preventing the red-eye phenomenon for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube for flash photography.
Claim 18
Dependent Claim 142 words
A red-eye phenomenon preventing device comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon, said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; d) a condenser lens disposed in front of said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon; and e) control means including first means for excitation of said light emitting element for preventing the red-eye phenomenon for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube for flash photography.
Claim 19
Dependent Claim 15 words
A device according to claim 16, wherein said flash tube is a xenon flash tube.
Claim 20
Dependent Claim 21 words
A device according to claim 17, wherein said light emitting element for preventing the red-eye phenomenon is a preliminary illumination lamp.
Claim 21
Dependent Claim 29 words
A device according to claim 16, wherein said light emitting element for preventing the red-eye phenomenon is disposed on an optical axis of said flash tube for flash photography.
Claim 22
Dependent Claim 38 words
A device according to claim 16, further comprising light distribution characteristic varying means for varying a light distribution characteristic of said flash tube for flash photography and that of said light emitting element for preventing the red-eye phenomenon.
Claim 23
Dependent Claim 35 words
A device according to claim 20, wherein said light distribution characteristic varying means includes means for varying said light distribution characteristic in accordance with a change in the focal length of a photo-taking optical system.
Claim 24
Dependent Claim 55 words
A device according to claim 20, wherein said light distribution characteristic varying means includes means for reducing the angle of illumination of said flash tube for flash photography and that of said light emitting element for preventing the red-eye phenomenon as the focal length of said photo-taking optical system changes to a longer focal length.
Claim 25
Dependent Claim 55 words
A device according to claim 20, wherein said light distribution characteristic varying means includes means for increasing the angle of illumination of said flash tube for flash photography and that of said light emitting element for preventing the red-eye phenomenon as the focal length of said photo-taking optical system changes to a shorter focal length.
Claim 26
Dependent Claim 26 words
A device according to claim 20, wherein said light distribution characteristic varying means includes means for moving said light emitting element for preventing the red-eye phenomenon.
Claim 27
Dependent Claim 26 words
A device according to claim 20, wherein said light distribution characteristic varying means includes means for driving said light emitting element for preventing the red-eye phenomenon.
Claim 28
Dependent Claim 20 words
A device according to claim 20, wherein said light distribution characteristic varying means includes means for moving said reflection shade.
Claim 29
Dependent Claim 20 words
A device according to claim 20, wherein said light distribution characteristic varying means includes means for driving said reflection shade.
Claim 30
Dependent Claim 20 words
A device according to claim 20, wherein said light distribution characteristic varying means includes means for moving said condenser lens.
Claim 31
Dependent Claim 20 words
A device according to claim 20, wherein said light distribution characteristic varying means includes means for driving said condenser lens.
Claim 32
Dependent Claim 42 words
A device according to claim 16, further comprising a transistor for turning on said light emitting element for preventing the red-eye phenomenon, said light emitting element for preventing the red-eye phenomenon being connected between an emitter of said transistor and a ground.
Claim 33
Dependent Claim 117 words
A red-eye phenomenon preventing device comprising: a) a flash tube for emitting means for emitting an illumination light for flash photography; b) a light emitting element for emitting an illumination light for preventing the red-eye phenomenon; c) reflecting means for condensing the lights emitted by said flash tube and said light emitting element, said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; and d) control means including first means for excitation of said light emitting element for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube.
Claim 34
Dependent Claim 117 words
A red-eye phenomenon preventing device comprising: a) a flash tube for emitting means for emitting an illumination light for flash photography; b) a light emitting element for emitting an illumination light for preventing the red-eye phenomenon; c) reflecting means for condensing the lights emitted by said flash tube and said light emitting element, said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; and d) control means including first means for excitation of said light emitting element for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube.
Claim 35
Dependent Claim 14 words
A device according to claim 31, wherein said flash tube is a xenon tube.
Claim 36
Dependent Claim 16 words
A device according to claim 32, wherein said light emitting element is a preliminary illumination lamp.
Claim 37
Dependent Claim 21 words
A device according to claim 31, wherein said light emitting element is disposed on an optical axis of said flash tube.
Claim 38
Dependent Claim 30 words
A device according to claim 31, further comprising light distribution characteristic varying means for varying a light distribution characteristic of said flash tube and that of said light emitting element.
Claim 39
Dependent Claim 35 words
A device according to claim 35, wherein said light distribution characteristic varying means includes means for varying said light distribution characteristic in accordance with a change in the focal length of a photo-taking optical system.
Claim 40
Dependent Claim 47 words
A device according to claim 35, wherein said light distribution characteristic varying means includes means for reducing the angle of illumination of said flash tube and that of said light emitting element as the focal length of said photo-taking optical system changes to a longer focal length.
Claim 41
Dependent Claim 47 words
A device according to claim 35, wherein said light distribution characteristic varying means includes means for increasing the angle of illumination of said flash tube and that of said light emitting element as the focal length of said photo-taking optical system changes to a shorter focal length.
Claim 42
Dependent Claim 21 words
A device according to claim 35, wherein said light distribution characteristic varying means includes means for moving said light emitting element.
Claim 43
Dependent Claim 21 words
A device according to claim 35, wherein said light distribution characteristic varying means includes means for driving said light emitting element.
Claim 44
Dependent Claim 20 words
A device according to claim 35, wherein said light distribution characteristic varying means includes means for moving said reflecting means.
Claim 45
Dependent Claim 20 words
A device according to claim 35, wherein said light distribution characteristic varying means includes means for driving said reflecting means.
Claim 46
Dependent Claim 20 words
A device according to claim 35, wherein said light distribution characteristic varying means includes means for driving said condenser lens.
Claim 47
Dependent Claim 20 words
A device according to claim 35, wherein said light distribution characteristic varying means includes means for driving said condenser lens.
Claim 48
Dependent Claim 32 words
A device according to claim 31, further comprising a transistor for turning on said light emitting element, said light emitting element being connected between an emitter of said transistor and a ground.
Claim 49
Dependent Claim 138 words
A camera comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; d) a protector disposed in front of said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon; and e) control means including first means for excitation of said light emitting element for preventing the red-eye phenomenon for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube for flash photography.
Claim 50
Dependent Claim 138 words
A camera comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; d) a protector disposed in front of said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon; and e) control means including first means for excitation of said light emitting element for preventing the red-eye phenomenon for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube for flash photography.
Claim 51
Dependent Claim 61 words
A camera according to claim 46, further comprising: a photo-taking optical system having a variable focal length; and light distribution characteristic varying means for varying, according to a change in the focal length of said photo-taking optical system, a light distribution characteristic of said flash tube for flash photography and that of said light emitting element for preventing the red-eye phenomenon.
Claim 52
Dependent Claim 42 words
A camera according to claim 46, further comprising a transistor for turning on said light emitting element for preventing the red-eye phenomenon, said light emitting element for preventing the red-eye phenomenon being connected between an emitter of said transistor and a ground.
Claim 53
Dependent Claim 139 words
A camera comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon, said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; d) a condenser lens disposed in front of said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon; and e) control means including first means for excitation of said light emitting element for preventing the red-eye phenomenon for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube for flash photography.
Claim 54
Dependent Claim 139 words
A camera comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon, said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; d) a condenser lens disposed in front of said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon; and e) control means including first means for excitation of said light emitting element for preventing the red-eye phenomenon for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube for flash photography.
Claim 55
Dependent Claim 61 words
A camera according to claim 49, further comprising: a photo-taking optical system having a variable focal length; and light distribution characteristic varying means for varying, according to a change in the focal length of said photo-taking optical system, a light distribution characteristic of said flash tube for flash photography and that of said light emitting element for preventing the red-eye phenomenon.
Claim 56
Dependent Claim 42 words
A camera according to claim 49, further comprising a transistor for turning on said light emitting element for preventing the red-eye phenomenon, said light emitting element for preventing the red-eye phenomenon being connected between an emitter of said transistor and a ground.
Claim 57
Dependent Claim 117 words
A camera comprising: a) a flash tube for emitting an illumination light for flash photography; b) a light emitting element for emitting an illumination light for preventing the red-eye phenomenon; c) a reflecting shade arranged to surround said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon, said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; and d) control means including first means for excitation of said light emitting element for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube.
Claim 58
Dependent Claim 117 words
A camera comprising: a) a flash tube for emitting an illumination light for flash photography; b) a light emitting element for emitting an illumination light for preventing the red-eye phenomenon; c) a reflecting shade arranged to surround said flash tube for flash photography and said light emitting element for preventing the red-eye phenomenon, said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; and d) control means including first means for excitation of said light emitting element for a predetermined time period and providing output indication of the expiration of said predetermined time period and second means responsive to said output indication for initiating excitation of said flash tube.
Claim 59
Dependent Claim 50 words
A camera according to claim 52, further comprising: a photo-taking optical system having a variable focal length; and light distribution characteristic varying means for varying, according to a change in the focal length of said photo-taking optical system, light distribution characteristics of said flash tube and said light emitting element.
Claim 60
Dependent Claim 32 words
A camera according to claim 52, further comprising a transistor for turning on said light emitting element, said light emitting element being connected between an emitter of said transistor and a ground.
Claim 61
Dependent Claim 142 words
A red-eye phenomenon preventing device, comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said light emitting element for preventing the red-eye phenomenon and said flash tube for flash photography, said light emitting element and said flash tube being arranged at different positions relative to said reflection shade; d) control means for excitation of said light emitting element prior to excitation of said flash tube to prevent the red-eye phenomenon; and e) a protector disposed in front of the flash tube for flash photography and the light emitting element for preventing the red-eye phenomenon, said protector being variably positionable relative to the flash tube and the light emitting element for varying the direction of light emitted by both the flash tube and the light emitting element.
Claim 62
Dependent Claim 142 words
A red-eye phenomenon preventing device, comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said light emitting element for preventing the red-eye phenomenon and said flash tube for flash photography, said light emitting element and said flash tube being arranged at different positions relative to said reflection shade; d) control means for excitation of said light emitting element prior to excitation of said flash tube to prevent the red-eye phenomenon; and e) a protector disposed in front of the flash tube for flash photography and the light emitting element for preventing the red-eye phenomenon, said protector being variably positionable relative to the flash tube and the light emitting element for varying the direction of light emitted by both the flash tube and the light emitting element.
Claim 63
Dependent Claim 14 words
A device according to claim 55 in which said protector is a condenser lens.
Claim 64
Dependent Claim 34 words
A device according to claim 55, in which the protector is variable in position relative to both the flash tube and the light emitting element in response to a zooming operation of a camera.
Claim 65
Dependent Claim 82 words
A red-eye phenomenon preventing device comprising: a) a flash tube for emitting an illumination light for flash photography; b) a light emitting element for emitting an illumination light for preventing red-eye phenomenon; c) a control circuit comprising a first circuit for flashing the flash tube by discharging a charge of a capacitor, and a second circuit for flashing the light emitting element by passing a power source output thereto; and d) reflection means surrounding said flash tube and said light emitting element.
Claim 66
Dependent Claim 82 words
A red-eye phenomenon preventing device comprising: a) a flash tube for emitting an illumination light for flash photography; b) a light emitting element for emitting an illumination light for preventing red-eye phenomenon; c) a control circuit comprising a first circuit for flashing the flash tube by discharging a charge of a capacitor, and a second circuit for flashing the light emitting element by passing a power source output thereto; and d) reflection means surrounding said flash tube and said light emitting element.
Claim 67
Dependent Claim 79 words
A camera comprising: a) a flash tube for emitting an illumination light for flash photography; b) a light emitting element for emitting an illumination light for preventing red-eye phenomenon; c) a control circuit comprising a first circuit for flashing the flash tube by discharging a charge of a capacitor, and a second circuit for flashing the light emitting element by passing a power source output thereto; and d) reflection means surrounding said flash tube and said light emitting element.
Claim 68
Dependent Claim 79 words
A camera comprising: a) a flash tube for emitting an illumination light for flash photography; b) a light emitting element for emitting an illumination light for preventing red-eye phenomenon; c) a control circuit comprising a first circuit for flashing the flash tube by discharging a charge of a capacitor, and a second circuit for flashing the light emitting element by passing a power source output thereto; and d) reflection means surrounding said flash tube and said light emitting element.
Claim 69
Dependent Claim 78 words
A camera comprising: a) a flash tube for emitting an illumination light for flash photography; b) a light emitting element for emitting an illumination light for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; and d) control means for excitation of said light emitting element prior to excitation of said flash tube to prevent the red-eye phenomenon.
Claim 70
Dependent Claim 78 words
A camera comprising: a) a flash tube for emitting an illumination light for flash photography; b) a light emitting element for emitting an illumination light for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; and d) control means for excitation of said light emitting element prior to excitation of said flash tube to prevent the red-eye phenomenon.
Claim 71
Dependent Claim 68 words
A camera comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; and d) control means for excitation of said light emitting element prior to excitation of said flash tube to prevent the red-eye phenomenon.
Claim 72
Dependent Claim 68 words
A camera comprising: a) a flash tube for flash photography; b) a light emitting element for preventing the red-eye phenomenon; c) a reflection shade arranged to surround said flash tube and said light emitting element being arranged at different positions relative to said reflection shade; and d) control means for excitation of said light emitting element prior to excitation of said flash tube to prevent the red-eye phenomenon.

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Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-02-07 1997-08-09 1998-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-02-07 2001-08-09 2002-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-02-07 2005-08-09 2006-02-08 $7700.00 Window Closed / Lapsed

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