Patent US3571554A successfully refreshed from Google Patents.
US3571554A
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Laser tool
Assignee: Alcatel Lucent SAS
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Filing: 1969-01-15
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Granted: 1971-03-23
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Expires: 1989-01-15
Abstract
Abstract An optical system employed by a laser tool having multiple laser heads for combining corresponding laser beams and concentrating the same at a single point with a fine film of material disposed between the point and the optical system to protect the same.
Inventors
- 👤 Jean Baujoin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:32
CPC Classifications
B; B23; B23K; B23K26/00; B23K26/02; B23K26/06; B23K26/0604; B23K26/0608; B23K26/03; B23K26/034; B23K26/035; B23K26/064; B23K26/0648; B23K26/0665; B23K26/08; B23K26/083; B23K26/0838; B23K26/0846; B23K26/12; B23K26/127; B23K26/128; B23K26/16
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
93 words
In a laser tool including a plurality of laser heads and an optical system for combining the individual laser beams of each laser head into a single laser beam concentrated at one point, the improvement comprising: a fine film of transparent material for protecting the optical combining system, said material being easily destructible by said laser beams and being disposed between said optical combining system and the point of concentration of said laser beams, and means for continuously moving said fine film of transparent material tranversely with respect to said optical combining system.
Claim 2
Dependent Claim
93 words
In a laser tool including a plurality of laser heads and an optical system for combining the individual laser beams of each laser head into a single laser beam concentrated at one point, the improvement comprising: a fine film of transparent material for protecting the optical combining system, said material being easily destructible by said laser beams and being disposed between said optical combining system and the point of concentration of said laser beams, and means for continuously moving said fine film of transparent material tranversely with respect to said optical combining system.
Claim 3
Dependent Claim
56 words
The laser tool as claimed in claim 1 wherein said film of material partially reflects said laser beams and said tool further includes a photosensitive detector operatively disposed for receiving a portion of said partially reflected light to give a measurement representative of the useful energy supplied by said laser heads and concentrated at said point.
References Cited (Backward Citations)
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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) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |