US4542982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive validating identification badge system
Assignee: HAAS DAVID J TRUSTOR
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Filing: 1984-02-01
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Granted: 1985-09-24
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Expires: 2004-02-01
Abstract
Abstract A temporary security badge fabrication system is provided comprising a badge having at least one surface coated with an ambient light sensitive coating which when exposed to ambient light conditions for a specified predetermined period of time will change to a specified color. A means is also provided for printing information on the badge. An attachment means is provided which is mounted to the badge for attaching the badge to a wearer and permitting exposure of the badge to ambient light. Thus when the badge is attached to the wearer and exposed to ambient light for the specified period of time, the badge changes to the specified color.
Inventors
- 👤 David J. Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:31
CPC Classifications
G; G06; G06K; G06K1/00; G06K1/12; G06K1/126; G03; G03B; G03B17/00; G03B17/24; G06K19/00; G06K19/06; G06K19/06009; G06K19/06046; G07; G07C; G07C9/00; G07C9/20; G07F; G07F7/00; G07F7/08; G07F7/086; G03B2217/00; G03B2217/24; G03B2217/241; G03B2217/248
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
98 words
A temporary security badge fabrication system comprising: a badge having at least one surface coated with an ambient light sensitive coating which when exposed to ambient light conditions for a specified predetermined period of time will change to a specified color; a means for printing information on the badge; attachment means mounted to the badge for attaching the badge to a wearer and permitting exposure of the badge to ambient light; whereby when the badge is attached to the wearer and exposed to ambient light for the specified period of time the badge changes to the specified color.
Claim 2
Dependent Claim
98 words
A temporary security badge fabrication system comprising: a badge having at least one surface coated with an ambient light sensitive coating which when exposed to ambient light conditions for a specified predetermined period of time will change to a specified color; a means for printing information on the badge; attachment means mounted to the badge for attaching the badge to a wearer and permitting exposure of the badge to ambient light; whereby when the badge is attached to the wearer and exposed to ambient light for the specified period of time the badge changes to the specified color.
Claim 3
Dependent Claim
17 words
The system of claim 1, wherein the information is controlled by a clock indicating time and date.
Claim 4
Dependent Claim
19 words
The system of claim 1, wherein the information includes time, date, serial number of badge or identification of person.
Claim 5
Dependent Claim
20 words
The system of claim 1, wherein the information includes an image of a person as seen by a television camera.
Claim 6
Dependent Claim
21 words
The system of claim 1, wherein the information includes the image of a person as stored in a digital memory device.
Claim 7
Dependent Claim
104 words
A process for producing a temporary security badge comprising: (a) providing a badge having at least one surface coated with an ambient light sensitive coating which when exposed to ambient light conditions for a specified predetermined period of time changes to a specified color; (b) printing information on the badge; (c) mounting the exposed badge on an attachment means for attaching the badge to a wearer and permitting the exposure of the badge to ambient light; whereby when the badge is attached to the wearer and exposed to ambient light for the specified predetermined period of time, the badge changes to the specified color.
Claim 8
Dependent Claim
104 words
A process for producing a temporary security badge comprising: (a) providing a badge having at least one surface coated with an ambient light sensitive coating which when exposed to ambient light conditions for a specified predetermined period of time changes to a specified color; (b) printing information on the badge; (c) mounting the exposed badge on an attachment means for attaching the badge to a wearer and permitting the exposure of the badge to ambient light; whereby when the badge is attached to the wearer and exposed to ambient light for the specified predetermined period of time, the badge changes to the specified color.
Claim 9
Dependent Claim
13 words
The process of claim 6, wherein the attachment means includes a paper support.
Claim 10
Dependent Claim
14 words
The process of claim 6, wherein the attachment means includes adhesive on a surface.
Claim 11
Dependent Claim
18 words
The process of claim 6, wherein the attachment means includes a transparent face the information being viewed therethrough.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-09-23 | 1989-03-25 | 1989-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-23 | 1993-03-25 | 1993-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-23 | 1997-03-25 | 1997-09-24 | $7700.00 | Window Closed / Lapsed |