DE302387C - - Google Patents
Info
- Publication number
- DE302387C DE302387C DENDAT302387D DE302387DA DE302387C DE 302387 C DE302387 C DE 302387C DE NDAT302387 D DENDAT302387 D DE NDAT302387D DE 302387D A DE302387D A DE 302387DA DE 302387 C DE302387 C DE 302387C
- Authority
- DE
- Germany
- Prior art keywords
- glasses
- eyepieces
- head
- unobstructed view
- galilean
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 claims description 13
- 210000003128 Head Anatomy 0.000 claims description 4
- 230000000875 corresponding Effects 0.000 claims 1
- 210000001061 Forehead Anatomy 0.000 description 2
- 210000001331 Nose Anatomy 0.000 description 1
- 230000004424 eye movement Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/088—Lens systems mounted to spectacles
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Zwei möglichst leichte Galileische Doppelfernrohfe sind nach der Figur so nebeneinander angeordnet, daß sie nach Art der Brillen mit verschiedenen Brennweiten oder halben Gläsern vor die Augen befestigt werden.According to the figure, two Galilean double telescopes that are as light as possible are next to each other arranged that they are according to the type of glasses with different focal lengths or half Glasses are attached in front of the eyes.
Um dem Brillenträger jederzeit die Benutzung des freien Blickes zu ermöglichen, sind die Okulare und Objektive mit größeren oder kleineren Ausschnitten versehen. Es hat sichIn order to enable the wearer of glasses to use the unobstructed view at all times, are provide the eyepieces and objectives with larger or smaller cut-outs. It has
ίο als vorteilhaft erwiesen, die Okulare weiter abzuschneiden als die Objektive, da ja bekannterweise von den Okularen nur ein verhältnismäßig kleiner Teil an der Aufrichtung des Bildes teilnimmt.ίο proved beneficial to continue the eyepieces cut off than the lenses, since, as is well known, only a proportionate of the eyepieces small part participates in the erection of the image.
Die'Benutzung der Brille geschieht derartig, daß eine Schnur- oder Bandvorrichtung, welche die Brille möglichst nahe dem vorderen Schwerpunkt faßt, um den Hinterkopf geschlungen wird. Die Okularmuscheln sind zu einem breiten Stirnansatz ausgebildet, welcher zwischen den Röhren nach unten in einem Nasensteg endet. Durch diese Einrichtung wird das Gewicht der Okulare und Brille auf Stirn und Hinterkopf verteilt, so daß die Nase beim Tragen vollständig entlastet ist und- ein längerer Gebrauch der Brille ermöglicht wird.The use of the glasses happens in such a way that a cord or strap device, which grasp the glasses as close as possible to the front center of gravity, wrapped around the back of the head will. The eyepiece cups are formed into a wide forehead attachment, which between ends down the tubes in a nasal bridge. Through this facility that becomes Weight of the eyepieces and glasses distributed on the forehead and back of the head, so that the nose when worn is completely relieved and - a longer use of the glasses is made possible.
Die Benutzung der Fernbrille geschieht nach Art der Feldstecher oder Operngläser. Das lästige Halten fällt fort, die Brille sitzt fest am Kopfe, das Bild ist daher unbeweglich. Durch eine geringe Kopf- oder Augenbewegung wird die Brille in die Sehachse gebracht, oder durch umgekehrte Bewegungen dem freien Blick wieder Platz gegeben.The distance glasses are used like binoculars or opera glasses. That tiresome holding is no longer necessary, the glasses sit firmly on the head, the image is therefore immobile. With a slight head or eye movement, the glasses are brought into the visual axis, or Reverse movements give space again to the unobstructed view.
Claims (1)
Publications (1)
Publication Number | Publication Date |
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DE302387C true DE302387C (en) |
Family
ID=556195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT302387D Active DE302387C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE302387C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE863423C (en) * | 1951-01-21 | 1953-01-19 | Johannes Bartschat | Spectacle-like holding device for double telescopes |
DE921953C (en) * | 1952-12-31 | 1955-01-07 | Johannes Bartschat | Headlamp with magnifying glass |
-
0
- DE DENDAT302387D patent/DE302387C/de active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE863423C (en) * | 1951-01-21 | 1953-01-19 | Johannes Bartschat | Spectacle-like holding device for double telescopes |
DE921953C (en) * | 1952-12-31 | 1955-01-07 | Johannes Bartschat | Headlamp with magnifying glass |
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