CA1012646A - Visual and magnetic recording system - Google Patents

Visual and magnetic recording system

Info

Publication number
CA1012646A
CA1012646A CA197,007A CA197007A CA1012646A CA 1012646 A CA1012646 A CA 1012646A CA 197007 A CA197007 A CA 197007A CA 1012646 A CA1012646 A CA 1012646A
Authority
CA
Canada
Prior art keywords
visual
magnetic recording
recording system
magnetic
recording
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
CA197,007A
Other versions
CA197007S (en
Inventor
Robert J. Graf
Joseph R. Andreaggi
Matthew J. Relis
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.)
ROBERT J GRAF
Original Assignee
ROBERT J GRAF
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 ROBERT J GRAF filed Critical ROBERT J GRAF
Priority to CA197,007A priority Critical patent/CA1012646A/en
Priority to CA269,017A priority patent/CA1040316A/en
Application granted granted Critical
Publication of CA1012646A publication Critical patent/CA1012646A/en
Expired legal-status Critical Current

Links

CA197,007A 1974-04-08 1974-04-08 Visual and magnetic recording system Expired CA1012646A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA197,007A CA1012646A (en) 1974-04-08 1974-04-08 Visual and magnetic recording system
CA269,017A CA1040316A (en) 1974-04-08 1976-12-31 Visual and magnetic recording system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA197,007A CA1012646A (en) 1974-04-08 1974-04-08 Visual and magnetic recording system

Publications (1)

Publication Number Publication Date
CA1012646A true CA1012646A (en) 1977-06-21

Family

ID=4099662

Family Applications (2)

Application Number Title Priority Date Filing Date
CA197,007A Expired CA1012646A (en) 1974-04-08 1974-04-08 Visual and magnetic recording system
CA269,017A Expired CA1040316A (en) 1974-04-08 1976-12-31 Visual and magnetic recording system

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA269,017A Expired CA1040316A (en) 1974-04-08 1976-12-31 Visual and magnetic recording system

Country Status (1)

Country Link
CA (2) CA1012646A (en)

Also Published As

Publication number Publication date
CA1040316A (en) 1978-10-10

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