ES2083448T3 - Rueda dentada de conversion de 4:3 perfs. - Google Patents
Rueda dentada de conversion de 4:3 perfs.Info
- Publication number
- ES2083448T3 ES2083448T3 ES90903472T ES90903472T ES2083448T3 ES 2083448 T3 ES2083448 T3 ES 2083448T3 ES 90903472 T ES90903472 T ES 90903472T ES 90903472 T ES90903472 T ES 90903472T ES 2083448 T3 ES2083448 T3 ES 2083448T3
- Authority
- ES
- Spain
- Prior art keywords
- film
- sleeve
- perforations
- perfs
- tooth wheel
- 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 - Lifetime
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
- G03B1/00—Film strip handling
- G03B1/18—Moving film strip by means which act on the film between the ends thereof
- G03B1/20—Acting means
- G03B1/24—Sprockets engaging holes in the film
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Advancing Webs (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Gears, Cams (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
UN MONTAJE DE RODILLO DENTADO (20) QUE PERMITE QUE UN PROYECTOR DE PELICULAS O CUALQUIER OTRO DISPOSITIVO DE MANEJO DE PELICULAS SEA FACILMENTE CONVERTIDO PARA QUE PASE UNA PELICULA QUE TIENE BIEN 4 PERFORACIONES O 3 PERFORACIONES. EL MONTAJE DE RODILLO DENTADO (20) INCLUYE UN MANGUITO CILINDRICO EXTERIOR (22) QUE TIENE DIENTES PARA ENGANCHAR LAS PERFORACIONES DE LA PELICULA Y UN MANGUITO CILINDRICO INTERIOR (24) ADAPTADO PARA QUE SE PUEDA COLOCAR DENTRO Y CASE DE MANERA ANTIGIRATORIA CON EL MANGUITO CILINDRICO EXTERIOR (22). EL MANGUITO INTERIOR (24) TAMBIEN TIENE DIENTES PARA ENGANCHAR LAS PERFORACIONES DE LA PELICULA. EL MANGUITO INTERIOR (24) ESTA MONTADO SOBRE UN EJE GIRATORIO (44) DEL PROYECTOR Y EL MANGUITO EXTERIOR (22) SE PUEDE INCORPORAR O RETIRAR DEPENDIENDO DE SI EL OPERADOR QUIERE PASAR UNA PELICULA DE 3 O DE 4 PERFORACIONES. LOS MANGUITOS EXTERIOR E INTERIOR TIENEN UN TAMAÑO TAL QUE CUANDO EL MANGUITO EXTERIOR (22), SE UTILIZA, LA VELOCIDAD A LA QUE PASA LA PELICULA ES SUSTANCIALMENTE 4/3 LA VELOCIDAD CUANDO EL MANGUITO INTERIOR (24) SE UTILIZA SOLO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/358,550 US4900293A (en) | 1989-05-26 | 1989-05-26 | 4:3 perf conversion sprocket |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2083448T3 true ES2083448T3 (es) | 1996-04-16 |
Family
ID=23410111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90903472T Expired - Lifetime ES2083448T3 (es) | 1989-05-26 | 1990-02-06 | Rueda dentada de conversion de 4:3 perfs. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4900293A (es) |
EP (1) | EP0473591B1 (es) |
JP (1) | JPH04507298A (es) |
CN (1) | CN1023261C (es) |
AT (1) | ATE131291T1 (es) |
AU (1) | AU5098090A (es) |
CA (1) | CA2057012C (es) |
DE (1) | DE69024048T2 (es) |
ES (1) | ES2083448T3 (es) |
MX (1) | MX167475B (es) |
WO (1) | WO1990014533A1 (es) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2125491A1 (en) * | 1991-12-12 | 1993-06-24 | Richard Vetter | Motion picture system for economical replication, consolidation, duplication and exhibition of wide screen formats |
US5739895A (en) * | 1991-12-12 | 1998-04-14 | United Artists Theatre Circuit, Inc. | Film saving system |
US5427580A (en) * | 1992-05-19 | 1995-06-27 | Borg-Warner Automotive, Inc. | Phased chain assemblies |
US5479223A (en) * | 1993-01-29 | 1995-12-26 | Duo-Sprocket, Inc. | Film conversion sprocket |
US5517262A (en) * | 1993-03-10 | 1996-05-14 | De Sola Mosely; John | Motion picture drive system |
US5621490A (en) * | 1996-08-26 | 1997-04-15 | The Todd-Ao Corporation | Sound system for compact distribution print |
US6019473A (en) * | 1996-02-07 | 2000-02-01 | Maxivision Cinema Technology | Switchable format film projection system |
US5946076A (en) * | 1996-02-07 | 1999-08-31 | Maxivision Cinema Technology | Switchable pulldown film projection system |
US20010043310A1 (en) * | 1996-02-07 | 2001-11-22 | Goodhill Dean K. | Switchable format film projection system |
US5841512A (en) * | 1996-02-27 | 1998-11-24 | Goodhill; Dean Kenneth | Methods of previewing and editing motion pictures |
US5812245A (en) * | 1996-03-26 | 1998-09-22 | Goodhill; Dean K. | Asynchronous contact printer for motion picture film |
US5745213A (en) * | 1996-05-08 | 1998-04-28 | Goodhill; Dean K. | Method of making enhanced resolution motion picture release-print film |
DE10327771A1 (de) * | 2003-06-17 | 2005-01-05 | Arnold & Richter Cine Technik Gmbh & Co Betriebs Kg | Vorrichtung zum Transport eines Laufbildfilms |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR360329A (fr) * | 1905-12-11 | 1906-04-19 | Louis Henri Huet | Système de réparation et d'utilisation des vieilles bandes de cinématographe |
US1229275A (en) * | 1916-04-06 | 1917-06-12 | Graphoscope Company | Motion-picture apparatus. |
US3865738A (en) * | 1974-01-21 | 1975-02-11 | Miklos Lente | Method of making motion pictures |
DE3023979A1 (de) * | 1980-06-26 | 1982-01-14 | Herbert Dipl.-Ing. 7012 Fellbach Leisring | Zweiformat-tonfilmprojektor |
US4358039A (en) * | 1980-11-03 | 1982-11-09 | Centronics Data Computer Corporation | Paper feed roller assembly |
-
1989
- 1989-05-26 US US07/358,550 patent/US4900293A/en not_active Expired - Lifetime
-
1990
- 1990-02-06 AT AT90903472T patent/ATE131291T1/de active
- 1990-02-06 EP EP90903472A patent/EP0473591B1/en not_active Expired - Lifetime
- 1990-02-06 WO PCT/US1990/000675 patent/WO1990014533A1/en active IP Right Grant
- 1990-02-06 ES ES90903472T patent/ES2083448T3/es not_active Expired - Lifetime
- 1990-02-06 JP JP2503540A patent/JPH04507298A/ja active Pending
- 1990-02-06 DE DE69024048T patent/DE69024048T2/de not_active Expired - Fee Related
- 1990-02-06 CA CA002057012A patent/CA2057012C/en not_active Expired - Lifetime
- 1990-02-06 AU AU50980/90A patent/AU5098090A/en not_active Abandoned
- 1990-02-12 MX MX019458A patent/MX167475B/es unknown
- 1990-02-12 CN CN90100678.5A patent/CN1023261C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69024048T2 (de) | 1996-07-25 |
DE69024048D1 (de) | 1996-01-18 |
AU5098090A (en) | 1990-12-18 |
EP0473591B1 (en) | 1995-12-06 |
EP0473591A4 (en) | 1992-10-28 |
JPH04507298A (ja) | 1992-12-17 |
WO1990014533A1 (en) | 1990-11-29 |
CA2057012C (en) | 2000-11-28 |
MX167475B (es) | 1993-03-24 |
EP0473591A1 (en) | 1992-03-11 |
US4900293A (en) | 1990-02-13 |
ATE131291T1 (de) | 1995-12-15 |
CN1047575A (zh) | 1990-12-05 |
CA2057012A1 (en) | 1991-08-07 |
CN1023261C (zh) | 1993-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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