GB1418973A - Film synchronisation - Google Patents

Film synchronisation

Info

Publication number
GB1418973A
GB1418973A GB2496273A GB2496273A GB1418973A GB 1418973 A GB1418973 A GB 1418973A GB 2496273 A GB2496273 A GB 2496273A GB 2496273 A GB2496273 A GB 2496273A GB 1418973 A GB1418973 A GB 1418973A
Authority
GB
United Kingdom
Prior art keywords
sequence
counter
sound
count
signal
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
GB2496273A
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.)
DOCUMENT GROUP LONDON Ltd
Original Assignee
DOCUMENT GROUP LONDON Ltd
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 DOCUMENT GROUP LONDON Ltd filed Critical DOCUMENT GROUP LONDON Ltd
Priority to GB2496273A priority Critical patent/GB1418973A/en
Publication of GB1418973A publication Critical patent/GB1418973A/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
    • G03B31/04—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is not on, but is synchronised with, a moving-picture film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

1418973 Simultaneous recording of sound and pictures DOCUMENT GROUP LONDON Ltd 24 May 1974 [24 May 1973] 24962/73 Heading G5R In the making of simultaneous recordings of visual images and sound in a cine-camera 30 and a tape recorder 29 respectively, a counter 24 displays a count which changes at a predetermined rate and is recorded as a visual image at least once during each sequence of visual images, and an identifiable signal is provided in the sound recording when the displayed count has a predetermined value, e.g. 0 or 1. Preferably the recordings of the signal and the displayed count are located at the beginning of each sequence. As shown, a pulse frequency is chosen by means of switches 5, 6, 13, 14, 15, 16 so that each step of the counter 24 corresponds to a foot of film, the counter being reset to zero at the end of each sequence but having an additional display 31 showing the number of the sequence (stepped in response to the start signal on lead 26).
GB2496273A 1973-05-24 1973-05-24 Film synchronisation Expired GB1418973A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2496273A GB1418973A (en) 1973-05-24 1973-05-24 Film synchronisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2496273A GB1418973A (en) 1973-05-24 1973-05-24 Film synchronisation

Publications (1)

Publication Number Publication Date
GB1418973A true GB1418973A (en) 1975-12-24

Family

ID=10220031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2496273A Expired GB1418973A (en) 1973-05-24 1973-05-24 Film synchronisation

Country Status (1)

Country Link
GB (1) GB1418973A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee