US3633481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photomicroscope
Assignee: Hertel and Reuss Werk fuer Optik und Feinmechanik
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Filing: 1969-08-21
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Granted: 1972-01-11
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Expires: 1989-08-21
Abstract
Abstract The photomicroscope comprises a photographic camera and a microscope disposed in optically coacting relationship. An ocular permits viewing of objects placed on a stage of the microscope and is disposed outside of the light beam from the microscope to the camera. A beam splitter interposed in this light beam directs part of the light beam to the camera and deflects another part toward an exposure meter. A fully silvered mirror can be selectively interposed into the path of the light beam from the beam splitter toward the ocular or withdrawn from this path. The mirror, when in its position interposed into the path of the light beam, directs the light beam upon the light meter for the purpose of indicating the available intensity of the light.
Inventors
- 👤 Klaus Kuhl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:16
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/36; G02B21/361; G03; G03B; G03B17/00; G03B17/48
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
131 words
A photomicroscope comprising in combination: a photographic camera; a microscope disposed in optical alignment with the camera, an ocular for viewing an object placed on a stage of the microscope, said ocular being disposed outside the path of the light beam from the microscope to the camera; a light meter; a beam splitter stationarily interposed in said light path, said beam splitter passing part of the light beam to the camera and deflecting another part toward the ocular; and a movably mounted fully silvered mirror interposed in the path of the light beam from the beam splitter toward the ocular, said mirror being selectively movable between an inactive position withdrawn from said light path and an active position intersecting said light path and directing said light beam upon the light meter.
Claim 2
Dependent Claim
131 words
A photomicroscope comprising in combination: a photographic camera; a microscope disposed in optical alignment with the camera, an ocular for viewing an object placed on a stage of the microscope, said ocular being disposed outside the path of the light beam from the microscope to the camera; a light meter; a beam splitter stationarily interposed in said light path, said beam splitter passing part of the light beam to the camera and deflecting another part toward the ocular; and a movably mounted fully silvered mirror interposed in the path of the light beam from the beam splitter toward the ocular, said mirror being selectively movable between an inactive position withdrawn from said light path and an active position intersecting said light path and directing said light beam upon the light meter.
Claim 3
Dependent Claim
206 words
A photomicroscope comprising in combination: a photographic camera; a microscope disposed in optical alignment with the camera; an ocular for viewing an object placed on a stage of the microscope, said ocular being disposed outside the path of the light beam from the microscope to the camera; a beam splitter stationarily interposed in said light path, said beam splitter passing part of the light beam to the camera and deflecting another part toward the ocular; and a movably mounted light meter interposed in the path of the light beam from the beam splitter toward the ocular, said light meter being selectively movable between an inactive position withdrawn from said light path and active position intersecting said light path for directing said light beam upon the light meter. 3 A photomicroscope according to claim 1 wherein said mirror in its beam intersecting position is disposed normal to the light path of the beam part directed toward the ocular and optically interposed between one side of the beam splitter and the ocular, the light meter being disposed on the side of the beam splitter opposite to said one side and in optical alignment with the beam splitter and the mirror when the latter is in its active position.
Claim 4
Dependent Claim
39 words
A photomicroscope according to claim 1 wherein said mirror is disposed at an angle with reference to the light path between the beam splitter and the ocular is disposed in the path of the light deflected by the mirror.
Claim 5
Dependent Claim
27 words
The photomicroscope according to claim 4 wherein said mirror is disposed at a 45* angle thereby causing a 90* deflection of the light incident upon the mirror.
Claim 6
Dependent Claim
20 words
The photomicroscope according to claim 1 wherein a directional force means biases the mirror into its light beam intersecting position.
Claim 7
Dependent Claim
23 words
The photomicroscope according to claim 6 wherein said mirror in its the light path intersecting position occludes the exit face of the ocular.
Claim 8
Dependent Claim
25 words
The photomicroscope according to claim 1 wherein said beam splitter is in the form of a cubic prism divided by a partly silvered diagonal wall.
Claim 9
Dependent Claim
13 words
The photomicroscope according to claim 1 wherein said light meter comprises a photoresistor.
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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |