CN2549485Y - Optical observator on door - Google Patents
Optical observator on door Download PDFInfo
- Publication number
- CN2549485Y CN2549485Y CN 02206119 CN02206119U CN2549485Y CN 2549485 Y CN2549485 Y CN 2549485Y CN 02206119 CN02206119 CN 02206119 CN 02206119 U CN02206119 U CN 02206119U CN 2549485 Y CN2549485 Y CN 2549485Y
- Authority
- CN
- China
- Prior art keywords
- lens
- optical
- peephole
- utility
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides an optical door mirror, which comprises an optical system taking a convex-concave lens or a plane concave lens as the object lens and taking a biconvex lens or a convex as the ocular lens and the assembling shell thereof. The utility model is characterized in that the lens of the door mirror optical system is plated with an optical splitting membrane on one side of which scenery can be seen and on the other side just a reflecting mirror can be seen; or the door mirror optical system is internally provided with an optical splitting sheet of the optical splitting membrane on one side of which scenery can be seen and on the other side just a reflecting mirror can be seen. The optical door mirror of the utility model is simple in structure and easy in production; the optical door mirror of the utility model has the function of unilateral observation, which can realize the aim of snugly observing the scenery outdoors but the indoor scenery can not be seen by the people outdoors.
Description
One, technical field
The utility model relates to a kind of optics peephole, particularly a kind of optics peephole with one way vision function.
Two, background technology
The optics peephole that generally uses is made of the system of falling the Galileo telescope at present, is object lens with convex-concave, plano-concave lens, is eyepiece with biconvex or plano-convex lens, thereby obtains hidden observation and big visual field view effect.But, outdoors toward indoor observation the time, can see indoor scene because this optical system does not possess and has the one way vision function.
Three, summary of the invention
The purpose of this utility model provides a kind of optics peephole with one way vision function.
Optics peephole of the present utility model, comprise with convex-concave, plano-concave lens and be object lens and be optical system that eyepiece was constituted and assembling shell spare thereof with biconvex or plano-convex lens, it is characterized in that being coated with on the eyeglass of peephole optical system observing and to see scenery and observe the spectro-film that to see a reflective mirror, perhaps in the peephole optical system, pack into to be coated with and observe the light splitting piece that to see scenery and observe the spectro-film that to see a reflective mirror from another side from one side from another side from one side.
Owing to be coated with on the eyeglass of peephole optical system from the one side observation and can see scenery, and observe the spectro-film to see a reflective mirror from another side, perhaps in the peephole optical system, pack into to be coated with and to see scenery from the one side observation, and observe the light splitting piece of the spectro-film that can only see a reflective mirror, thereby make the optics peephole obtain the function of unidirectional hidden observation from another side.
Optics peephole of the present utility model is simple in structure, makes easily, and optics peephole of the present utility model has the one way vision function, can realize indoor can hidden observation scene and can't see the purpose of indoor scene outdoors outdoors.
Four, description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model optics peephole, and Fig. 2 is the structural representation of the another kind of embodiment of the utility model optics peephole.Among the figure, the 1st, screw thread mirror cover, the 2nd, peephole shell spare, the 3rd, eyepiece jump ring, the 4th, meniscus, the 5, the 6th, plano-concave lens, the 7th, biconvex lens, the 8th, spectro-film, the 9th, light splitting piece, the 10, the 11st, eyepiece pad.
Five, embodiment
Embodiment one: adopt existing optics peephole, its structure comprises that 1 is screw thread mirror cover, the 2nd, and peephole shell spare, the 3rd, eyepiece jump ring, the 4th, meniscus, the 5, the 6th, plano-concave lens, the 7th, biconvex lens.At meniscus 4, plano- concave lens 5,6, one or more single or double among the biconvex lens 7 plate from the one side observation can be seen scenery and observe the spectro-film 8 that can only see a reflective mirror from another side, assembles and promptly gets optics peephole of the present utility model.
Embodiment two: adopt existing optics peephole, its structure comprises that 1 is screw thread mirror cover, the 2nd, and peephole shell spare, the 3rd, eyepiece jump ring, the 4th, meniscus, the 5, the 6th, plano-concave lens, the 7th, biconvex lens.On transparent sheet, plate from the one side observation and can see scenery and can only see that from the another side observation spectro-film of a reflective mirror makes light splitting piece 9.One or more pieces light splitting pieces 9 are placed into meniscus 4, the plano- concave lens 5,6 of peephole optical system, arbitrary position of biconvex lens 7 bilaterals, assemble and promptly get optics peephole of the present utility model.
Claims (1)
1, a kind of optics peephole, comprise with convex-concave, plano-concave lens and be object lens and be optical system that eyepiece was constituted and assembling shell spare thereof with biconvex or plano-convex lens, it is characterized in that at meniscus 4, plano-concave lens 5,6, the one or more single or double among the biconvex lens 7 have spectro-film coating 8; Perhaps the one-sided or bilateral of at least one is provided with light splitting piece 9 among the meniscus 4 of peephole optical system, plano-concave lens 5,6, biconvex lens 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02206119 CN2549485Y (en) | 2002-02-26 | 2002-02-26 | Optical observator on door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02206119 CN2549485Y (en) | 2002-02-26 | 2002-02-26 | Optical observator on door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2549485Y true CN2549485Y (en) | 2003-05-07 |
Family
ID=33687590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02206119 Expired - Fee Related CN2549485Y (en) | 2002-02-26 | 2002-02-26 | Optical observator on door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2549485Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112859302A (en) * | 2021-02-05 | 2021-05-28 | 常州工学院 | Optical system of super-wide-angle door sight glass |
-
2002
- 2002-02-26 CN CN 02206119 patent/CN2549485Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112859302A (en) * | 2021-02-05 | 2021-05-28 | 常州工学院 | Optical system of super-wide-angle door sight glass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |