DE623C - Stopper for photographic equipment with a matt disc of blue or purple color - Google Patents
Stopper for photographic equipment with a matt disc of blue or purple colorInfo
- Publication number
- DE623C DE623C DE623DA DE623DA DE623C DE 623 C DE623 C DE 623C DE 623D A DE623D A DE 623DA DE 623D A DE623D A DE 623DA DE 623 C DE623 C DE 623C
- Authority
- DE
- Germany
- Prior art keywords
- blue
- stopper
- photographic equipment
- purple color
- matt
- 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
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
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
- G03B11/06—Lens caps for exposure making
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Description
Das hier durch Zeichnung dargestellte Verschlufsstück für photographische Apparate hat den Zweck, die Zeit der Exponirung zu vermindern. Dies Verschlufsstück kann an allen photographischen Apparaten angebracht werden.The locking piece shown here by drawing for photographic apparatus has the purpose of reducing the exposure time. This locking piece can be attached to all photographic apparatus.
Seine Form ist cylindrisch. Im Mittelpunkt ist eine. Oeffnung, in welche man eine transparente, aber matte Scheibe einsetzt, welche entweder violet, indigo, purpur oder blau von Farbe sein kann, um noch eine gewisse Menge photographischen Lichts durchgehen zu lassen.Its shape is cylindrical. In the center is one. Opening into which a transparent, but a matt disc inserts, which is either violet, indigo, purple or blue from Color can be in order to allow a certain amount of photographic light to pass through.
Ein um einen Zapfen drehbarer Deckel gestattet, nach Belieben seine Wirkung zu verhindern. A lid that can be rotated about a pin allows its effect to be prevented at will.
Fig. ι stellt den Apparat in geöffnetem, Fig. 2 in geschlossenem Zustande dar. B ist der bewegliche Deckel, A die Oeffnung mit der transparenten Scheibe.Fig. Ι shows the apparatus in the open, Fig. 2 in the closed state. B is the movable cover, A is the opening with the transparent pane.
Patent-Anspruch: Das Verschlufsstück mit der matten, transparenten, wie oben angegeben, gefärbten Scheibe.Patent claim: The closure piece with the matt, transparent, as stated above, colored disc.
Hierzu I Blatt Zeichnungen.For this purpose I sheet drawings.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE623T | 1877-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE623C true DE623C (en) | 1900-01-01 |
Family
ID=70975573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE623DA Expired DE623C (en) | 1877-09-10 | 1877-09-10 | Stopper for photographic equipment with a matt disc of blue or purple color |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE623C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170175592A1 (en) * | 2015-12-17 | 2017-06-22 | C.R.F. Societa Consortile Per Azioni | System and method for variable actuation of a valve of an internalcombustion engine, with an electrically operated control valve having an improved control |
-
1877
- 1877-09-10 DE DE623DA patent/DE623C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170175592A1 (en) * | 2015-12-17 | 2017-06-22 | C.R.F. Societa Consortile Per Azioni | System and method for variable actuation of a valve of an internalcombustion engine, with an electrically operated control valve having an improved control |
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