US5050044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash device
Assignee: Canon Inc
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Filing: 1990-07-16
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Granted: 1991-09-17
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Expires: 2010-07-16
Abstract
Abstract A flash device which includes a light emitting portion, a reflector for reflecting a light emitted by the light emitting portion, an apparatus for producing relative movement between the light emitting portion and the reflector and an electrical conductive member made of elastic material which is connected through a conductive path formed on an inside surface of the reflector to the light emitting portion in order to feed a trigger voltage for energizing the light emitting portion.
Inventors
- 👤 Yoshinobu Shibayama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:15
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/05; F; F21; F21V; F21V19/00; F21V19/02; G03B2215/00; G03B2215/05; G03B2215/0514; G03B2215/0517; G03B2215/0525; G03B2215/0528
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
148 words
A flash device comprising: (A) a light emitting portion; (B) a reflector for reflecting a light emitted by said light emitting portion; (C) means for producing relative movement between said light emitting portion and said reflector; (D) an elastic electrical connecting member connected from outside of the reflector to said light emitting portion to feed a trigger voltage to said light emitting portion to energize said light emitting portion, wherein said electrical connecting member comprises a spring; (E) first supporting means for supporting said spring, said first supporting means being arranged to move relative to said light emitting portion; and (F) second supporting means for supporting said light emitting portion, said second supporting means having an opening for passing said spring to a position between said light emitting portion and said first supporting means, wherein said first supporting means comprises an entering portion arranged to enter the opening.
Claim 2
Dependent Claim
148 words
A flash device comprising: (A) a light emitting portion; (B) a reflector for reflecting a light emitted by said light emitting portion; (C) means for producing relative movement between said light emitting portion and said reflector; (D) an elastic electrical connecting member connected from outside of the reflector to said light emitting portion to feed a trigger voltage to said light emitting portion to energize said light emitting portion, wherein said electrical connecting member comprises a spring; (E) first supporting means for supporting said spring, said first supporting means being arranged to move relative to said light emitting portion; and (F) second supporting means for supporting said light emitting portion, said second supporting means having an opening for passing said spring to a position between said light emitting portion and said first supporting means, wherein said first supporting means comprises an entering portion arranged to enter the opening.
Claim 3
Dependent Claim
24 words
A flash device according to claim 1, wherein said electrical connecting member is arranged to elastically make pressure contact with said light emitting portion.
Claim 4
Dependent Claim
16 words
A flash device according to claim 1, wherein said spring is of a coil spring type.
Claim 5
Dependent Claim
17 words
A flash device according to claim 1, wherein said electrical connecting member is made of noninflammable material.
Claim 6
Dependent Claim
25 words
A flash device according to claim 1, wherein said reflector includes an opening for passing said electrical connecting member into the inside of said reflector.
Claim 7
Dependent Claim
30 words
A flash device according to claim 1, wherein said means for producing relative movement between said light emitting portion and said reflector comprises means for moving said light emitting portion.
Claim 8
Dependent Claim
29 words
A flash device according to claim 6, wherein said means for producing relative movement between said light emitting portion and said reflector further comprises means for moving the reflector.
Claim 9
Dependent Claim
28 words
A flash device according to claim 1, wherein said means for producing relative movement between said light emitting portion and said reflector comprises means for moving said reflector.
Claim 10
Dependent Claim
17 words
A flash device according to claim 1, wherein said first supporting means supports said electrical connecting member.
Claim 11
Dependent Claim
32 words
A flash device according to claim 9 wherein said first supporting means is arranged to produce movement, together with said second supporting means, of said light emitting portion relative to said reflector
Claim 12
Dependent Claim
22 words
A flash device according to claim 1, wherein said second supporting means includes an opening for passing said electrical connecting member therethrough.
Claim 13
Dependent Claim
160 words
A flash device comprising: (A) a light emitting portion; (B) a reflector for reflecting a light emitted by said light emitting portion; (C) means for producing relative movement between said light emitting portion and said reflector in an axial direction of an illuminating light of said flash device; (D) an elastic electrical connecting member connected from outside of the reflector to said light emitting portion to feed a trigger voltage to said light emitting portion to energize said light emitting portion, wherein said electrical connecting member comprises a spring; (E) first supporting means for supporting said spring, said first supporting means being arranged to move relative to said light emitting portion; and (F) second supporting means for supporting said light emitting portion, said second supporting means having an opening for passing said spring to a position between said light emitting portion and said first supporting means, wherein said first supporting means comprises an entering portion arranged to enter the opening.
Claim 14
Dependent Claim
160 words
A flash device comprising: (A) a light emitting portion; (B) a reflector for reflecting a light emitted by said light emitting portion; (C) means for producing relative movement between said light emitting portion and said reflector in an axial direction of an illuminating light of said flash device; (D) an elastic electrical connecting member connected from outside of the reflector to said light emitting portion to feed a trigger voltage to said light emitting portion to energize said light emitting portion, wherein said electrical connecting member comprises a spring; (E) first supporting means for supporting said spring, said first supporting means being arranged to move relative to said light emitting portion; and (F) second supporting means for supporting said light emitting portion, said second supporting means having an opening for passing said spring to a position between said light emitting portion and said first supporting means, wherein said first supporting means comprises an entering portion arranged to enter the opening.
Claim 15
Dependent Claim
27 words
A flash device according to claim 12 wherein said first supporting means comprises a protector disposed at a front of an illuminating opening of said flash device.
Claim 16
Dependent Claim
28 words
A flash device according to claim 12 wherein said spring comprises means for positioning said means for producing relative movement between said light emitting portion and said reflector.
Claim 17
Dependent Claim
16 words
A flash device according to claim 12, wherein said electrical connecting member comprises a coil spring.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-09-16 | 1995-03-18 | 1995-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-16 | 1999-03-18 | 1999-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-16 | 2003-03-18 | 2003-09-17 | $7700.00 | Window Closed / Lapsed |