CA937673A - Audio-visual apparatus and system - Google Patents

Audio-visual apparatus and system

Info

Publication number
CA937673A
CA937673A CA113846A CA113846A CA937673A CA 937673 A CA937673 A CA 937673A CA 113846 A CA113846 A CA 113846A CA 113846 A CA113846 A CA 113846A CA 937673 A CA937673 A CA 937673A
Authority
CA
Canada
Prior art keywords
audio
visual apparatus
visual
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
CA113846A
Other versions
CA113846S (en
Inventor
C. Petersen Christian
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of CA937673A publication Critical patent/CA937673A/en
Expired legal-status Critical Current

Links

CA113846A 1970-05-25 1971-05-25 Audio-visual apparatus and system Expired CA937673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4089870A 1970-05-25 1970-05-25

Publications (1)

Publication Number Publication Date
CA937673A true CA937673A (en) 1973-11-27

Family

ID=21913593

Family Applications (1)

Application Number Title Priority Date Filing Date
CA113846A Expired CA937673A (en) 1970-05-25 1971-05-25 Audio-visual apparatus and system

Country Status (1)

Country Link
CA (1) CA937673A (en)

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