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 color

Info

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
Application number
DE623DA
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.)
D Scotellari & A Verryck
Original Assignee
D Scotellari & A Verryck
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 D Scotellari & A Verryck filed Critical D Scotellari & A Verryck
Application granted granted Critical
Publication of DE623C publication Critical patent/DE623C/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
    • 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)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (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)

V °V ° Λ ■,Λ ■, PATENTSCHRIFTPATENT LETTERING 1877.1877. Klasse 57.Class 57. DOMINIQUE SCOTELLARI und ANTONI VERRYCK in ANTWERPEN. Verschlursstück für photographische Apparate mit matter Scheibe von blauer oder violeter Farbe.DOMINIQUE SCOTELLARI and ANTONI VERRYCK in ANTWERP. Closure piece for photographic equipment with a matt disc of blue or violet color. Patentirt im Deutschen Reiche vom ι I.September 1877 ab.Patented in the German Empire on September 1st, 1877.
DE623DA 1877-09-10 1877-09-10 Stopper for photographic equipment with a matt disc of blue or purple color Expired DE623C (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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