CA818664A - Video recording medium - Google Patents

Video recording medium

Info

Publication number: CA818664A
Authority: CA; Canada
Prior art keywords: recording medium; video recording; video; medium; recording
Prior art date: 1969-07-22
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

CA818664A

Inventor

P. Gregg David

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.)

Gauss Electrophysics Inc

Original Assignee

Gauss Electrophysics Inc

Publication date

1969-07-22

1969-07-22 Application granted granted Critical

1969-07-22 Publication of CA818664A publication Critical patent/CA818664A/en

Status Expired legal-status Critical Current

Links

CA818664A Video recording medium Expired CA818664A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA818664T

Publications (1)

Publication Number	Publication Date
CA818664A true CA818664A (en)	1969-07-22

Family

ID=36291212

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA818664A Expired CA818664A (en)			Video recording medium

Country Status (1)

Country	Link
CA (1)	CA818664A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4856108A (en) *	1972-08-25	1989-08-08	Thomson-Csf	Optical arrangement and a reading apparatus including detection of data elements diffractive along entire extent

0
- CA CA818664A patent/CA818664A/en not_active Expired

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4856108A (en) *	1972-08-25	1989-08-08	Thomson-Csf	Optical arrangement and a reading apparatus including detection of data elements diffractive along entire extent
US4868808A (en) *	1972-08-25	1989-09-19	Thomson-Csf	Optical disk arrangement with closed contours whose entire extent represents information
US5307332A (en) *	1972-08-25	1994-04-26	Thomson-Csf	Optical disk arrangement with diffractive tracks and a photoelectric assembly providing positional control information

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