ES8431U - Pantalla polifocal para luz sin sombras. - Google Patents

Pantalla polifocal para luz sin sombras.

Info

Publication number
ES8431U
ES8431U ES0008431U ES8431U ES8431U ES 8431 U ES8431 U ES 8431U ES 0008431 U ES0008431 U ES 0008431U ES 8431 U ES8431 U ES 8431U ES 8431 U ES8431 U ES 8431U
Authority
ES
Spain
Prior art keywords
translation
screen
machine
light
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
ES0008431U
Other languages
English (en)
Other versions
ES8431Y (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 ES0008431U priority Critical patent/ES8431Y/es
Publication of ES8431U publication Critical patent/ES8431U/es
Application granted granted Critical
Publication of ES8431Y publication Critical patent/ES8431Y/es
Expired legal-status Critical Current

Links

Landscapes

  • Dc Machiner (AREA)

Abstract

UN NUEVO MODELO DE PANTALLA POLIFOCAL PARA LUZ SIN SOMBRAS constituido por una armadura pulida interiormente y que lleva cuatro radios distintos de curvatura que producen otras tantas lineas focales de los rayos luminosos que procedentes de un foco en ella inciden.
ES0008431U 1943-04-06 1943-04-06 Pantalla polifocal para luz sin sombras. Expired ES8431Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0008431U ES8431Y (es) 1943-04-06 1943-04-06 Pantalla polifocal para luz sin sombras.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0008431U ES8431Y (es) 1943-04-06 1943-04-06 Pantalla polifocal para luz sin sombras.

Publications (2)

Publication Number Publication Date
ES8431U true ES8431U (es) 1944-04-01
ES8431Y ES8431Y (es) 1948-01-16

Family

ID=51072749

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0008431U Expired ES8431Y (es) 1943-04-06 1943-04-06 Pantalla polifocal para luz sin sombras.

Country Status (1)

Country Link
ES (1) ES8431Y (es)

Also Published As

Publication number Publication date
ES8431Y (es) 1948-01-16

Similar Documents

Publication Publication Date Title
ES8431U (es) Pantalla polifocal para luz sin sombras.
CH226241A (de) Vergrösserungsgerät mit zwangsläufiger Scharfeinstellung.
DK63545C (da) Vinkelindstillelig Objektivfatning.
CH237488A (de) Torische Linse für elektrische Korpuskularstrahlen.
CH236613A (de) Objektiv.
CA416871A (en) Reflector focus ascertaining apparatus
FR950139A (fr) Perfectionnement aux parasoleils destinés aux objectifs photographiques
DK64718C (da) Svingbart anbragt Objektivaggregat til Filmprojektionsapparater.
DK61355C (da) Billeddannende Reflektorsystem med konvekst Sekundærspejl.
ES9150U (es) Dispositivo divisor de circunferencias.
CA404006A (en) One-piece multifocal lens producing apparatus
CA416728A (en) Photographic lens
CA416727A (en) Photographic lens
CA416729A (en) Photographic lens
CA416732A (en) Photographic lens
CA416736A (en) Photographic lens
CA416739A (en) Photographic lens
ES8241U (es) Innovaciones en las máquinas fotográficas.
CA416741A (en) Long focal length lens
CA408231A (en) Camera focusing lens mount
CA400414A (en) Lens mount
ES220674A3 (es) Un sistema antideslumbrante
DK69319C (da) Fremgangsmåde til fremstilling af farvebilleder efter farvefremkaldelsesmetoden.
CA401911A (en) Lens
GR9785B (el) Βελτιωσεις εστιας αεριογονου.