ES215976U - Proyector de transparencias perfeccionado para la produccion didactica. - Google Patents

Proyector de transparencias perfeccionado para la produccion didactica.

Info

Publication number
ES215976U
ES215976U ES0215976U ES215976U ES215976U ES 215976 U ES215976 U ES 215976U ES 0215976 U ES0215976 U ES 0215976U ES 215976 U ES215976 U ES 215976U ES 215976 U ES215976 U ES 215976U
Authority
ES
Spain
Prior art keywords
projector
didactic
transparencies
translation
legally binding
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.)
Granted
Application number
ES0215976U
Other languages
English (en)
Other versions
ES215976Y (es
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES1975215976U priority Critical patent/ES215976Y/es
Publication of ES215976U publication Critical patent/ES215976U/es
Priority to DE19762647145 priority patent/DE2647145A1/de
Priority to JP12674876A priority patent/JPS5287031A/ja
Priority to FR7631668A priority patent/FR2346739A1/fr
Priority to GB43684/76A priority patent/GB1516749A/en
Application granted granted Critical
Publication of ES215976Y publication Critical patent/ES215976Y/es
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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/326—Enlargers
    • 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
    • G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Secondary Cells (AREA)
  • Furnace Charging Or Discharging (AREA)

Abstract

Proyector de transparencias perfeccionado, para la reproducción didáctica, caracterizado porque está constituido por una plataforma base provista del adecuado elemento de enchufe para la conexión eléctrica a la respectiva caja porta-pilas, yendo igualmente acoplada a dicha base una columna hueca, de cuyas caras una de ellas presenta longitudinalmente una abertura central escoltada por sendas hileras de dentados a modo de cremallera, posibilitándose mediante ligera deformación elástica de los bordes de la abertura, el paso a través de ella del respectivo extremo del brazo en voladizo portante del proyector propiamente dicho; este extremo posee una configuración en "T" y mediante el adecuado giro del brazo portante, queda posicionado impidiendo la extracción frontal de éste, cuyo propio peso así como el del proyector determina un momento de giro en virtud del cual se verifica un perfecto encaje en el dentado de la columna de una placa de enclavamiento y tope constituida por el brazo portante;de forma que mediante el desencastre de la placa respecto al dentado se posibilita el libre desplazamiento en altura y guiado del conjunto brazo-proyector, en tanto que el selectivo encaje de dicha placa faculta el enclavamiento del citado conjunto a la altura deseada.
ES1975215976U 1975-10-21 1975-10-21 Proyector de transparencias perfeccionado para la producciondidactica. Expired ES215976Y (es)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES1975215976U ES215976Y (es) 1975-10-21 1975-10-21 Proyector de transparencias perfeccionado para la producciondidactica.
DE19762647145 DE2647145A1 (de) 1975-10-21 1976-10-19 Projektionsapparat fuer diapositive vervollkommnet fuer die didaktische wiedergabe
JP12674876A JPS5287031A (en) 1975-10-21 1976-10-21 Transparent slide projector
FR7631668A FR2346739A1 (fr) 1975-10-21 1976-10-21 Projecteur de transparences perfectionne, destine a la reproduction didactique
GB43684/76A GB1516749A (en) 1975-10-21 1976-10-21 Transparent slide projector for visual images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1975215976U ES215976Y (es) 1975-10-21 1975-10-21 Proyector de transparencias perfeccionado para la producciondidactica.

Publications (2)

Publication Number Publication Date
ES215976U true ES215976U (es) 1976-09-16
ES215976Y ES215976Y (es) 1977-02-01

Family

ID=8380022

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1975215976U Expired ES215976Y (es) 1975-10-21 1975-10-21 Proyector de transparencias perfeccionado para la producciondidactica.

Country Status (5)

Country Link
JP (1) JPS5287031A (es)
DE (1) DE2647145A1 (es)
ES (1) ES215976Y (es)
FR (1) FR2346739A1 (es)
GB (1) GB1516749A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62113342U (es) * 1986-01-08 1987-07-18

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR828350A (fr) * 1937-10-27 1938-05-16 Perfectionnements apportés aux dispositifs de réglage concernant les appareils photographiques et analogues tels les appareils d'agrandissement
FR918325A (fr) * 1944-11-06 1947-02-05 Perfectionnements aux agrandisseurs photographiques
US2800833A (en) * 1954-09-01 1957-07-30 Charles Beseler Company Photographic enlarger apparatus
DE1176469B (de) * 1961-02-16 1964-08-20 Durst Ag Vergroesserungsapparat
DE7218957U (de) * 1972-05-19 1972-08-31 Berthold Fototype Gmbh Fuehrung fuer einen verschiebbaren geraetekopf
IT968439B (it) * 1972-09-29 1974-03-20 Durst Ag Dispositivo di regolazione per la testa dell obiettivo di un appa recchio di ingrandimento

Also Published As

Publication number Publication date
JPS5287031A (en) 1977-07-20
GB1516749A (en) 1978-07-05
ES215976Y (es) 1977-02-01
FR2346739A1 (fr) 1977-10-28
DE2647145A1 (de) 1977-04-28

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