IE18256L - Optical system for sound recording - Google Patents

Optical system for sound recording

Info

Publication number
IE18256L
IE18256L IE32348A IE32348A IE18256L IE 18256 L IE18256 L IE 18256L IE 32348 A IE32348 A IE 32348A IE 32348 A IE32348 A IE 32348A IE 18256 L IE18256 L IE 18256L
Authority
IE
Ireland
Prior art keywords
optical system
sound recording
sound
recording
optical
Prior art date
Application number
IE32348A
Original Assignee
Frank Charles Tomkins
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 Frank Charles Tomkins filed Critical Frank Charles Tomkins
Priority to IE32348A priority Critical patent/IE18256L/en
Publication of IE18256L publication Critical patent/IE18256L/en

Links

IE32348A 1948-04-29 1948-04-29 Optical system for sound recording IE18256L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IE32348A IE18256L (en) 1948-04-29 1948-04-29 Optical system for sound recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE32348A IE18256L (en) 1948-04-29 1948-04-29 Optical system for sound recording

Publications (1)

Publication Number Publication Date
IE18256L true IE18256L (en) 1948-12-13

Family

ID=11010462

Family Applications (1)

Application Number Title Priority Date Filing Date
IE32348A IE18256L (en) 1948-04-29 1948-04-29 Optical system for sound recording

Country Status (1)

Country Link
IE (1) IE18256L (en)

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