AU1196823A - Improvements in apparatus for recording and reproducing optical images and sound vibrations - Google Patents

Improvements in apparatus for recording and reproducing optical images and sound vibrations

Info

Publication number
AU1196823A
AU1196823A AU11968/23A AU1196823A AU1196823A AU 1196823 A AU1196823 A AU 1196823A AU 11968/23 A AU11968/23 A AU 11968/23A AU 1196823 A AU1196823 A AU 1196823A AU 1196823 A AU1196823 A AU 1196823A
Authority
AU
Australia
Prior art keywords
recording
optical images
reproducing optical
sound vibrations
vibrations
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
AU11968/23A
Inventor
Robert Robertson James
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU1196823A publication Critical patent/AU1196823A/en
Expired legal-status Critical Current

Links

AU11968/23A 1923-04-12 Improvements in apparatus for recording and reproducing optical images and sound vibrations Expired AU1196823A (en)

Publications (1)

Publication Number Publication Date
AU1196823A true AU1196823A (en) 1924-03-19

Family

ID=

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