CA1070834A - Tourne-disque video - Google Patents

Tourne-disque video

Info

Publication number: CA1070834A
Authority: CA; Canada
Prior art keywords: disc; reading; reading beam; path; mirrors
Prior art date: 1972-10-24
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

CA314,702A

Other languages

English (en)

Inventor

James E. Elliott

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.)

Discovision Associates

Original Assignee

MCA Discovision Inc

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.)

1972-10-24

Filing date

1978-10-30

Publication date

1980-01-29

1972-10-24 Priority claimed from US00299893A external-priority patent/US3829622A/en

1978-10-30 Application filed by MCA Discovision Inc filed Critical MCA Discovision Inc

1978-10-30 Priority to CA314,702A priority Critical patent/CA1070834A/fr

1980-01-29 Application granted granted Critical

1980-01-29 Publication of CA1070834A publication Critical patent/CA1070834A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 claims abstract description 32
230000003287 optical effect Effects 0.000 claims abstract description 28
230000005855 radiation Effects 0.000 claims abstract description 19
230000000694 effects Effects 0.000 claims 5
239000012530 fluid Substances 0.000 description 11
230000033001 locomotion Effects 0.000 description 7
238000010586 diagram Methods 0.000 description 4
230000008569 process Effects 0.000 description 3
238000001514 detection method Methods 0.000 description 2
238000000926 separation method Methods 0.000 description 2
PPWHTZKZQNXVAE-UHFFFAOYSA-N Tetracaine hydrochloride Chemical compound Cl.CCCCNC1=CC=C(C(=O)OCCN(C)C)C=C1 PPWHTZKZQNXVAE-UHFFFAOYSA-N 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
230000000712 assembly Effects 0.000 description 1
238000000429 assembly Methods 0.000 description 1
230000008859 change Effects 0.000 description 1
230000001427 coherent effect Effects 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
230000001186 cumulative effect Effects 0.000 description 1
230000000593 degrading effect Effects 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000010894 electron beam technology Methods 0.000 description 1
238000005286 illumination Methods 0.000 description 1
230000008520 organization Effects 0.000 description 1
230000010287 polarization Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000004044 response Effects 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
230000003319 supportive effect Effects 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
230000004304 visual acuity Effects 0.000 description 1

Landscapes

Optical Recording Or Reproduction (AREA)

CA314,702A 1972-10-24 1978-10-30 Tourne-disque video Expired CA1070834A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA314,702A CA1070834A (fr)	1972-10-24	1978-10-30	Tourne-disque video

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US00299893A US3829622A (en)	1972-10-24	1972-10-24	Video disc player with variably biased pneumatic head
CA314,702A CA1070834A (fr)	1972-10-24	1978-10-30	Tourne-disque video

Publications (1)

Publication Number	Publication Date
CA1070834A true CA1070834A (fr)	1980-01-29

Family

ID=25668806

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA314,702A Expired CA1070834A (fr)	1972-10-24	1978-10-30	Tourne-disque video

Country Status (1)

Country	Link
CA (1)	CA1070834A (fr)

1978
- 1978-10-30 CA CA314,702A patent/CA1070834A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
1997-01-29	MKEX	Expiry