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
GB18620A
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.)
Noel Pemberton Billing M P
Original Assignee
Noel Pemberton Billing M P
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 Noel Pemberton Billing M PfiledCriticalNoel Pemberton Billing M P
Priority to GB18620ApriorityCriticalpatent/GB164404A/en
Publication of GB164404ApublicationCriticalpatent/GB164404A/en
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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
GB18620A1920-01-021920-01-02Improvements in or relating to motion-picture apparatus
ExpiredGB164404A
(en)