US5117766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Personnel marker
Assignee: Scopus Light 1990 Ltd
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Filing: 1991-08-01
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Granted: 1992-06-02
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Expires: 2011-08-01
Abstract
Abstract Apparatus for marking the location of a person in conditions of darkness, including a base configured for mounting in association with the person; and apparatus, mounted onto the base, for displaying an image which when viewed at up to a first predetermined distance has a first appearance, and which when viewed from a distance between the first predetermined distance and a second predetermined distance, has a second appearance different to the first appearance.
Inventors
- 👤 Aharon Nechushtan
- 👤 Oded Nechushtan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:43
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/004; G08B5/22; G08B5/36
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
98 words
Apparatus for making the location of a person in conditions of darkness comprising: a base configured for mounting in association with the person; and means, mounted onto said base, for displaying an image which, when viewed at up to a first predetermined distance, has a first appearance, and which when viewed from a distance between said first predetermined distance and a second predetermined distance, has a second appearance different to said first appearance, said means for displaying being arranged in said base such that said image can only be seen within a predetermined arc less than 180 degrees.
Claim 2
Dependent Claim
98 words
Apparatus for making the location of a person in conditions of darkness comprising: a base configured for mounting in association with the person; and means, mounted onto said base, for displaying an image which, when viewed at up to a first predetermined distance, has a first appearance, and which when viewed from a distance between said first predetermined distance and a second predetermined distance, has a second appearance different to said first appearance, said means for displaying being arranged in said base such that said image can only be seen within a predetermined arc less than 180 degrees.
Claim 3
Dependent Claim
25 words
Apparatus according to claim 1, and wherein said image is invisible to the naked eye when viewed at a distance beyond said second predetermined distance.
Claim 4
Dependent Claim
17 words
Apparatus according to claim 1, and wherein said means for displaying an image comprises a light source.
Claim 5
Dependent Claim
17 words
Apparatus according to claim 2, and wherein said means for displaying an image comprises a light source.
Claim 6
Dependent Claim
15 words
Apparatus according to claim 3, and wherein said light source is a radioluminous light source.
Claim 7
Dependent Claim
15 words
Apparatus according to claim 4, and wherein said light source is a radioluminous light source.
Claim 8
Dependent Claim
15 words
Apparatus according to claim 3, and wherein said light source comprises an electrical light source.
Claim 9
Dependent Claim
15 words
Apparatus according to claim 4, and wherein said light source comprises an electrical light source.
Claim 10
Dependent Claim
17 words
Apparatus according to claim 3, and wherein said light source comprises at least two light emitting elements.
Claim 11
Dependent Claim
17 words
Apparatus according to claim 4, and wherein said light source comprises at least two light emitting elements.
Claim 12
Dependent Claim
17 words
Apparatus according to claim 9, and wherein each said light emitting element comprises a radioluminous light source.
Claim 13
Dependent Claim
17 words
Apparatus according to claim 10, and wherein each said light emitting element comprises a radioluminous light source.
Claim 14
Dependent Claim
17 words
Apparatus according to claim 9, and wherein each said light emitting element comprises an electrical light source.
Claim 15
Dependent Claim
17 words
Apparatus according to claim 10, and wherein each said light emitting element comprises an electrical light source.
Claim 16
Dependent Claim
16 words
Apparatus according to claim 3, and also comprising means for selectably rendering said light source non-visible.
Claim 17
Dependent Claim
16 words
Apparatus according to claim 4, and also comprising means for selectably rendering said light source non-visible.
Claim 18
Dependent Claim
14 words
Apparatus according to claim 1 and wherein said predetermined arc is approximately 120 degrees.
Claim 19
Dependent Claim
18 words
Apparatus according to claim 1 and wherein said predetermined arc is arranged to lie in a horizontal plane.
References Cited (Backward Citations)
FR755777A
Cited
US2330561A
Cited
GB964201A
Cited
US3083295A
Cited
US4285029A
Cited
US4599682A
Cited
US4862331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-06-02 | 1995-12-02 | 1996-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-02 | 1999-12-02 | 2000-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-02 | 2003-12-02 | 2004-06-02 | $7700.00 | Window Closed / Lapsed |