IT1030207B - Dispositivo ottico per ottenere la dissolvenza in un apparecchio di proiezione di diapositive - Google Patents

Dispositivo ottico per ottenere la dissolvenza in un apparecchio di proiezione di diapositive

Info

Publication number
IT1030207B
IT1030207B IT67464/75A IT6746475A IT1030207B IT 1030207 B IT1030207 B IT 1030207B IT 67464/75 A IT67464/75 A IT 67464/75A IT 6746475 A IT6746475 A IT 6746475A IT 1030207 B IT1030207 B IT 1030207B
Authority
IT
Italy
Prior art keywords
slide projection
optical device
fade
projection device
obtain fade
Prior art date
Application number
IT67464/75A
Other languages
English (en)
Italian (it)
Original Assignee
Gefitec Sa
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 Gefitec Sa filed Critical Gefitec Sa
Application granted granted Critical
Publication of IT1030207B publication Critical patent/IT1030207B/it

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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/18—Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
IT67464/75A 1974-02-25 1975-02-24 Dispositivo ottico per ottenere la dissolvenza in un apparecchio di proiezione di diapositive IT1030207B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH260274A CH580825A5 (de) 1974-02-25 1974-02-25

Publications (1)

Publication Number Publication Date
IT1030207B true IT1030207B (it) 1979-03-30

Family

ID=4237446

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67464/75A IT1030207B (it) 1974-02-25 1975-02-24 Dispositivo ottico per ottenere la dissolvenza in un apparecchio di proiezione di diapositive

Country Status (12)

Country Link
JP (1) JPS50127630A (de)
AU (1) AU7843875A (de)
BE (1) BE825883A (de)
CH (1) CH580825A5 (de)
DD (1) DD117538A5 (de)
DE (1) DE2506873A1 (de)
ES (1) ES435043A1 (de)
IT (1) IT1030207B (de)
NL (1) NL7502024A (de)
NO (1) NO750548L (de)
SE (1) SE7501899L (de)
SU (1) SU549092A3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004265A1 (en) * 1984-03-16 1985-09-26 Kramer Gideon A Multiple projection optics slide projection apparatus using a circular slide tray, having fixed-position slide gates
US9291826B2 (en) * 2013-11-20 2016-03-22 Christie Digital Systems Usa, Inc. System for variable distribution of light to a plurality of projectors
CN107809628B (zh) * 2017-05-12 2024-05-28 杭州一隅千象科技有限公司 多方向环幕全覆盖的投影方法、投影仪及投影系统

Also Published As

Publication number Publication date
NO750548L (de) 1975-08-26
BE825883A (fr) 1975-06-16
SE7501899L (de) 1975-08-26
NL7502024A (nl) 1975-08-27
SU549092A3 (ru) 1977-02-28
DD117538A5 (de) 1976-01-12
AU7843875A (en) 1976-08-26
CH580825A5 (de) 1976-10-15
JPS50127630A (de) 1975-10-07
ES435043A1 (es) 1976-12-16
DE2506873A1 (de) 1975-08-28

Similar Documents

Publication Publication Date Title
AT339631B (de) Diaprojektor
DK283075A (da) Stoplygte til cykel
DK520875A (da) Fotografisk kamera
SE406816B (sv) Ljusledare
ATA782775A (de) Kinematografische kamera
FR2282666A1 (fr) Metronome optique
MX143188A (es) Mejoras a elementos fotograficos que incluyen copulantes pivalilacetanilida
IT1030207B (it) Dispositivo ottico per ottenere la dissolvenza in un apparecchio di proiezione di diapositive
MX146239A (es) Pelicula fotografica mejorada capaz de manejarse a la luz
BE858561A (fr) Projecteur de diapositives
AR199696A1 (es) Un proyector de diapositivas fotograficas
AT351828B (de) Projektionsobjektiv
SE418423B (sv) Kondensor, serskilt for anvendning i en arbetsprojektor
IT1082269B (it) Proiettore di diapositive
IT1034436B (it) Dispositivo per l aggiunta di tonatore in un apparecchio di sviluppo
BE831993A (fr) Mecanisme changeur de diapositives
AT340168B (de) Grundobjektiv
BE825329A (fr) Perfectionnements aux projecteurs de diapositives
BE858499A (fr) Projecteur de diapositives
IT1082142B (it) Complesso per la presentazione sequenziale di diapositive fotografiche in un proiettore
BE858497A (fr) Projecteur de diapositives
ATA1022074A (de) Diaprojektor
IT1010471B (it) Perfezionamenti a proiettori di pellicole cinematografich
IT1003440B (it) Visore per diapositive
IT1052335B (it) Complesso a faro