CA979691A - Sound-slide projector - Google Patents

Sound-slide projector

Info

Publication number
CA979691A
CA979691A CA164,770A CA164770A CA979691A CA 979691 A CA979691 A CA 979691A CA 164770 A CA164770 A CA 164770A CA 979691 A CA979691 A CA 979691A
Authority
CA
Canada
Prior art keywords
sound
slide projector
projector
slide
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
Application number
CA164,770A
Other versions
CA164770S (en
Inventor
Leland W. Annett
George J. Wallin
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA979691A publication Critical patent/CA979691A/en
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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
    • G03B31/06—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is associated with successively-shown still pictures
    • 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
    • G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
CA164,770A 1972-03-30 1973-02-28 Sound-slide projector Expired CA979691A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23946072A 1972-03-30 1972-03-30

Publications (1)

Publication Number Publication Date
CA979691A true CA979691A (en) 1975-12-16

Family

ID=22902227

Family Applications (1)

Application Number Title Priority Date Filing Date
CA164,770A Expired CA979691A (en) 1972-03-30 1973-02-28 Sound-slide projector

Country Status (3)

Country Link
US (1) US3732000A (en)
JP (1) JPS4910033A (en)
CA (1) CA979691A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3861793A (en) * 1972-06-29 1975-01-21 Sanyo Electric Co Sound-on slide projector
FR2489715A1 (en) 1980-09-08 1982-03-12 Rech Geolog Miniere PROCESS FOR TREATING MINERALS OF CARBONATE OR SILICOCARBONATE GANG PHASPHATES

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740633A (en) * 1950-01-17 1956-04-03 Gray Mfg Co Recording apparatus
US3159078A (en) * 1954-07-09 1964-12-01 Kalart Co Inc Device for viewing a photographic slide and reproducing intelligence associated therewith
US3245312A (en) * 1962-05-04 1966-04-12 Atron Corp Sound system for picture slides
US3357302A (en) * 1965-12-22 1967-12-12 Martin E Gerry Automatic sound and slide projector control mechanism
US3472515A (en) * 1967-02-07 1969-10-14 Bolt Beranek & Newman Phonograph record apparatus
US3671115A (en) * 1970-01-30 1972-06-20 Sam Larkin Audio-video system employing sound track tape belts movably mounted on projection slides

Also Published As

Publication number Publication date
US3732000A (en) 1973-05-08
JPS4910033A (en) 1974-01-29

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