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DE385259C - Projector for incident light - Google Patents

Projector for incident light

Info

Publication number
DE385259C
DE385259C DER55792D DER0055792D DE385259C DE 385259 C DE385259 C DE 385259C DE R55792 D DER55792 D DE R55792D DE R0055792 D DER0055792 D DE R0055792D DE 385259 C DE385259 C DE 385259C
Authority
DE
Germany
Prior art keywords
incident light
projector
mirror
housing
designed
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
Application number
DER55792D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ICA AKT GES
Original Assignee
ICA AKT GES
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ICA AKT GES filed Critical ICA AKT GES
Priority to DER55792D priority Critical patent/DE385259C/en
Application granted granted Critical
Publication of DE385259C publication Critical patent/DE385259C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Lenses (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)

Description

DEUTSCHES REICHGERMAN EMPIRE

AUSGEGEBEN
.AM 5. DEZEMBER 192SISSUED
. ON DECEMBER 5, 192S

REICHSPATENTAMTREICH PATENT OFFICE

PATENTSCHRIFTPATENT LETTERING

- JVl 385259 -KLASSE 42 h GRUPPE - JVl 385259 - CLASS 42 h GROUP

(R 5579* IXl42h)(R 5579 * IXl42h)

Ica, Akt.-Ges. in Dresden.Ica, Akt.-Ges. in Dresden.

Bildwerfer für Auflicht. Patentiert im Deutschen Reiche vom 4. Mai 1922 ab.Projector for incident light. Patented in the German Empire on May 4, 1922.

Bei den Bildwerfern für Auflicht, die einen den Gegenstand abbildenden Spiegel innerhalb des Gehäuses haben, dient dieser Spiegel, als Mittel zum Verändern der Bildwurfrichtung. Der zu entwerfende Gegenstand wird bei; derartigen Bildwerfern entweder unmittelbar durch die Lampe oder durch einen besonderen Spiegel, welcher im Innern des Gehäuses angeordnet ist und die Lichtstrahlen der Lampe auffängt, beleuchtet.In the case of the projectors for incident light, which have a mirror inside that depicts the object of the housing, this mirror serves as a means of changing the direction of the image. The object to be designed is at; such projectors either directly by the lamp or by a special mirror, which is inside the housing is arranged and intercepts the light rays of the lamp, illuminated.

Nach der Erfindung soll bei Bildwerfern -der angegebenen Art der den Gegenstand ab-According to the invention, in the case of projectors -of the specified type of the object from-

bildende Spiegel gleichzeitig auch als Beleuchtungsspiegel dienen. Hierdurch wird eine wesentlich höhere Lichtwirkung, also eine bedeutende Lichtersparnis und eine Raumersparnis des Apparates erzielt.forming mirrors also serve as lighting mirrors. This makes one essential higher lighting effect, i.e. a significant saving in light and space of the apparatus achieved.

In der Zeichnung ist die Erfindung veranschaulicht, α ist der Abbildungsspiegel, b das Gehäuse, c das Objektiv, d der zu entwerfende Gegenstand, e der Handgriff zum Verstellen des Spiegels, f der Deckel des Gehäuses. g sind die Lampen, welche derart angeordnet sind, daß sie von jedem Punkte der Bildebene aus betrachtet durch den Spiegel gesehen werden können, h die zu den Lampen gehörenden Reflektoren.In the drawing, the invention is illustrated, α is the imaging mirror, b the housing, c the lens, d the object to be designed, e the handle for adjusting the mirror, f the cover of the housing. g are the lamps which are arranged in such a way that they can be seen through the mirror when viewed from any point on the image plane, h the reflectors belonging to the lamps.

Claims (1)

Patent-Anspruch:Patent claim: Bildwerfer für Auflicht, dadurch gekennzeichnet, daß der den zu entwerfen- ao den Gegenstand (d) abbildende und in bekannter Weise innerhalb des Gehäuses zwischen dem Objektive (c) und dem Gegenstande (d) angeordnete Spiegel (α) gleichzeitig als Beleuchturigsspiegel für «5 den Gegenstand (d) dient.Projector for incident light, characterized in that the mirror (α) which depicts the object (d) to be designed and is arranged in a known manner within the housing between the objective (c) and the object (d ) at the same time serves as an illuminating mirror for «5 the item (d) serves.
DER55792D 1922-05-04 1922-05-04 Projector for incident light Expired DE385259C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER55792D DE385259C (en) 1922-05-04 1922-05-04 Projector for incident light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER55792D DE385259C (en) 1922-05-04 1922-05-04 Projector for incident light

Publications (1)

Publication Number Publication Date
DE385259C true DE385259C (en) 1923-12-05

Family

ID=7410080

Family Applications (1)

Application Number Title Priority Date Filing Date
DER55792D Expired DE385259C (en) 1922-05-04 1922-05-04 Projector for incident light

Country Status (1)

Country Link
DE (1) DE385259C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619048A (en) * 1968-08-13 1971-11-09 Enna Werk Optik Apelt Episcope
US4636050A (en) * 1983-12-26 1987-01-13 Kabushiki Kaisha Gakushu Kenkyusha Reflection type overhead projector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619048A (en) * 1968-08-13 1971-11-09 Enna Werk Optik Apelt Episcope
US4636050A (en) * 1983-12-26 1987-01-13 Kabushiki Kaisha Gakushu Kenkyusha Reflection type overhead projector

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