CA477491A - Recording and monitoring optical units - Google Patents

Recording and monitoring optical units

Info

Publication number
CA477491A
CA477491A CA477491A CA477491DA CA477491A CA 477491 A CA477491 A CA 477491A CA 477491 A CA477491 A CA 477491A CA 477491D A CA477491D A CA 477491DA CA 477491 A CA477491 A CA 477491A
Authority
CA
Canada
Prior art keywords
recording
optical units
monitoring optical
monitoring
units
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
CA477491A
Other languages
French (fr)
Inventor
Theron Sachtleben Lawrence
Lawrence Pettus 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.)
RCA Corp
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA477491A publication Critical patent/CA477491A/en
Expired legal-status Critical Current

Links

CA477491A Recording and monitoring optical units Expired CA477491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA477491T

Publications (1)

Publication Number Publication Date
CA477491A true CA477491A (en) 1951-10-02

Family

ID=35617137

Family Applications (1)

Application Number Title Priority Date Filing Date
CA477491A Expired CA477491A (en) Recording and monitoring optical units

Country Status (1)

Country Link
CA (1) CA477491A (en)

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