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US3603687A
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Alignment telescope
Assignee: Ernst Leitz Wetzlar GmbH
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Filing: 1968-09-23
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Granted: 1971-09-07
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Expires: 1988-09-23
Abstract
Abstract An alignment telescope is disclosed using optically active members which can be tilted or shifted for line-of-sight displacement, but whereby the resulting angular deflection of the line of subject is compensated, for leaving only a residual lateral displacement thereof.
Inventors
- 👤 Fromund Hock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:20
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
112 words
In a telescope alignment system having an optical telescopic imaging system having an optical axis for imaging rays along that axis, including a ray path for nonparallel imaging rays, there being a field lens disposed in the nonparallel ray path, for displacement transverse to the optical axis, there being means to measure the displacement of the field lens, the improvement comprising: an alignment of the Koester variety disposed at the exit side of the telescopic system; and an auxiliary telescope adjustable as to focusing thereof and Being disposed relative to the exit side of the prism for observation of an image as produced by the first telescopic imaging system, through the prism.
Claim 2
Dependent Claim
112 words
In a telescope alignment system having an optical telescopic imaging system having an optical axis for imaging rays along that axis, including a ray path for nonparallel imaging rays, there being a field lens disposed in the nonparallel ray path, for displacement transverse to the optical axis, there being means to measure the displacement of the field lens, the improvement comprising: an alignment of the Koester variety disposed at the exit side of the telescopic system; and an auxiliary telescope adjustable as to focusing thereof and Being disposed relative to the exit side of the prism for observation of an image as produced by the first telescopic imaging system, through the prism.
Claim 3
Dependent Claim
46 words
In an alignment system as in claim 1, the measuring means including means defining a scale connected to the field lens to follow lateral displacement thereof; and reflecting means disposed to superimpose an image of the scale upon the image as observed through the auxiliary telescope.
Claim 4
Dependent Claim
61 words
In an alignment system as in claim 2, and including an additional imaging system with optical axis for the scale and disposed to provide an image to be observed through the auxiliary telescope, the additional imaging system and the auxiliary telescope each having a lens adjustable along the respective optical axis, the two lenses being fixedly interconnected for adjustment in unison.
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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) | 1974-09-06 | 1975-03-08 | 1975-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-06 | 1979-03-08 | 1979-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-06 | 1983-03-08 | 1983-09-07 | $7700.00 | Window Closed / Lapsed |