GB1230101A - - Google Patents

Info

Publication number
GB1230101A
GB1230101A GB1230101DA GB1230101A GB 1230101 A GB1230101 A GB 1230101A GB 1230101D A GB1230101D A GB 1230101DA GB 1230101 A GB1230101 A GB 1230101A
Authority
GB
United Kingdom
Prior art keywords
tape
film
stepping
strip
housing
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
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 filed Critical
Publication of GB1230101A publication Critical patent/GB1230101A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

1,230,101. Audio-visual playback apparatus. PLESSEY CO. Ltd. 6 June, 1968 [7 April, 1967], No. 16155/67. Heading G5R. [Also in Division G2] A tape carries magnetic recordings of audible information and of control signals which control continuous back-stepping of an associated filmstrip in synchronism with rewinding of the tape, or back-spacing of the film-strip and the tape through a single step, as required. During playback, the control signals effect stopping of the tape at the end of the section relating to the film frame being, shown, stepping on to the next frame and tape section being initiated by manual or pedal means. The apparatus includes a back-projection screen (11, Figs. 4 and 5), which may be removed together with part (3) of the housing and one (10) of two mirrors (9, 10) in the optical path to leave a shorf-throw projector (Fig. 6) which may be fitted with a dustcover (14) having a window (15) for the projector beam. The tape and the film-strip are contained in a cassette as described in Specification 1,131,222. The housing is shaped to be capable of standing in different attitudes.
GB1230101D 1967-04-07 1967-04-07 Expired GB1230101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1615567 1967-04-07

Publications (1)

Publication Number Publication Date
GB1230101A true GB1230101A (en) 1971-04-28

Family

ID=10072162

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230101D Expired GB1230101A (en) 1967-04-07 1967-04-07

Country Status (1)

Country Link
GB (1) GB1230101A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees