GB1420362A - Transparency and sound track supporting assembly - Google Patents

Transparency and sound track supporting assembly

Info

Publication number
GB1420362A
GB1420362A GB1304475A GB1304475A GB1420362A GB 1420362 A GB1420362 A GB 1420362A GB 1304475 A GB1304475 A GB 1304475A GB 1304475 A GB1304475 A GB 1304475A GB 1420362 A GB1420362 A GB 1420362A
Authority
GB
United Kingdom
Prior art keywords
transparency
supporting assembly
sound track
track supporting
march
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
GB1304475A
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
Priority claimed from US00239461A external-priority patent/US3822092A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of GB1420362A publication Critical patent/GB1420362A/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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Feeding And Guiding Record Carriers (AREA)
  • Automatic Disk Changers (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Abstract

1420362 Audio-visual slides MINNESOTA MINING & MFG CO 29 March 1973 [30 March 1972 (2)] 13044/75 Divided out of 1420361 Heading G5R An annular sound record 29 is retained by tongues 44, 46 in the cavity between two coaxial cylindrical walls 30, 40 in a frame 27 supporting a transparency 28 over a central opening 35. The record 29 may have a spiral guide rib 31 for a magnetic transducer and may be rotated for playback as described in Specification 1,420,361.
GB1304475A 1972-03-30 1973-03-29 Transparency and sound track supporting assembly Expired GB1420362A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23946072A 1972-03-30 1972-03-30
US00239461A US3822092A (en) 1972-03-30 1972-03-30 Photographic transparency support with rotatable sound track carrier

Publications (1)

Publication Number Publication Date
GB1420362A true GB1420362A (en) 1976-01-07

Family

ID=26932595

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1525273A Expired GB1420361A (en) 1972-03-30 1973-03-29 Sound-slide projector
GB1304475A Expired GB1420362A (en) 1972-03-30 1973-03-29 Transparency and sound track supporting assembly

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1525273A Expired GB1420361A (en) 1972-03-30 1973-03-29 Sound-slide projector

Country Status (4)

Country Link
DE (1) DE2316140A1 (en)
FR (2) FR2199892A5 (en)
GB (2) GB1420361A (en)
IT (1) IT980052B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7627992U1 (en) * 1976-09-08 1976-12-30 Rollei-Werke Franke & Heidecke, 3300 Braunschweig STILL PROJECTOR

Also Published As

Publication number Publication date
IT980052B (en) 1974-09-30
FR2336864A5 (en) 1977-07-22
FR2199892A5 (en) 1974-04-12
GB1420361A (en) 1976-01-07
DE2316140A1 (en) 1973-10-18

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee