FR2376435A1 - Puits de reception de cassette pour appareil de projection - Google Patents

Puits de reception de cassette pour appareil de projection

Info

Publication number
FR2376435A1
FR2376435A1 FR7800063A FR7800063A FR2376435A1 FR 2376435 A1 FR2376435 A1 FR 2376435A1 FR 7800063 A FR7800063 A FR 7800063A FR 7800063 A FR7800063 A FR 7800063A FR 2376435 A1 FR2376435 A1 FR 2376435A1
Authority
FR
France
Prior art keywords
cassette
wall
projection unit
contact
ejection
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.)
Pending
Application number
FR7800063A
Other languages
English (en)
Inventor
Donald T Scholz
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of FR2376435A1 publication Critical patent/FR2376435A1/fr
Pending 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • 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
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Projection Apparatus (AREA)
  • Replacement Of Web Rolls (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

Appareil pour effectuer des opérations choisies avec une bande allongée de matériau contenue à l'intérieur d'une cassette sensiblement mince, possédant une paire de surfaces de paroi principales opposées reliées et écartées l'une de l'autre par une paroi périphérique, définissant sensiblement un puits de l'épaisseur de la cassette. L'insertion de la cassette amène sa paroi de dessus à prendre contact vers le haut avec des moyens de rappel qui ont pour effet de pousser la cassette contre une lèvre tournée vers le bas au bord supérieur de la surface de paroi Des moyens élastiques agissant latéralement appuient la cassette contre ladite surface Des moyens d'éjection de cassette déplacent la partie supérieure de la cassette hors de son contact avec la lèvre, pour son éjection vers le haut. Application notamment aux appareils de projection cinématographique.
FR7800063A 1977-01-03 1978-01-03 Puits de reception de cassette pour appareil de projection Pending FR2376435A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/756,430 US4106863A (en) 1977-01-03 1977-01-03 Cassette receiving well structure for photographic viewing apparatus

Publications (1)

Publication Number Publication Date
FR2376435A1 true FR2376435A1 (fr) 1978-07-28

Family

ID=25043447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7800063A Pending FR2376435A1 (fr) 1977-01-03 1978-01-03 Puits de reception de cassette pour appareil de projection

Country Status (10)

Country Link
US (1) US4106863A (fr)
JP (1) JPS581766B2 (fr)
AT (1) AT380341B (fr)
AU (1) AU509929B2 (fr)
CA (1) CA1097959A (fr)
CH (1) CH627286A5 (fr)
DE (1) DE2800052A1 (fr)
FR (1) FR2376435A1 (fr)
GB (1) GB1575430A (fr)
IT (1) IT1088849B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112782902B (zh) * 2020-03-13 2022-09-02 北京可利尔福科技有限公司 光学元件驱动机构及光学模组

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285526A (en) * 1963-08-23 1966-11-15 Music & Sound Inc Magnetic tape play-back equipment
DE1966088A1 (de) * 1968-03-06 1971-07-29 Matsushita Electric Ind Co Ltd Magnetisches Aufnahme- und Wiedergabegeraet
US3692390A (en) * 1970-03-02 1972-09-19 Kinesonic Ind Ltd Audio-visual device
US3771861A (en) * 1972-06-09 1973-11-13 Polaroid Corp Manually controlled replay system for automatic transparency processing and projection apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1962031A (en) * 1930-06-30 1934-06-05 Edwin S Porter Motion picture camera
US2326980A (en) * 1936-02-22 1943-08-17 Steiner Otto Cinematograph camera provided with a magazine
US2241231A (en) * 1938-07-07 1941-05-06 Eastman Kodak Co Friction drive for photographic apparatus of the magazine type
US2912899A (en) * 1958-04-25 1959-11-17 Eastman Kodak Co Magazine interlock mechanism
US3532292A (en) * 1968-05-20 1970-10-06 Eastman Kodak Co Magazine interlock mechanism
JPS5335729B2 (fr) * 1972-05-23 1978-09-28

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285526A (en) * 1963-08-23 1966-11-15 Music & Sound Inc Magnetic tape play-back equipment
DE1966088A1 (de) * 1968-03-06 1971-07-29 Matsushita Electric Ind Co Ltd Magnetisches Aufnahme- und Wiedergabegeraet
US3692390A (en) * 1970-03-02 1972-09-19 Kinesonic Ind Ltd Audio-visual device
US3771861A (en) * 1972-06-09 1973-11-13 Polaroid Corp Manually controlled replay system for automatic transparency processing and projection apparatus

Also Published As

Publication number Publication date
GB1575430A (en) 1980-09-24
CH627286A5 (fr) 1981-12-31
AU509929B2 (en) 1980-05-29
AU3211077A (en) 1979-07-05
CA1097959A (fr) 1981-03-24
IT1088849B (it) 1985-06-10
DE2800052A1 (de) 1978-07-06
JPS53107830A (en) 1978-09-20
US4106863A (en) 1978-08-15
JPS581766B2 (ja) 1983-01-12
AT380341B (de) 1986-05-12

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