CA1063241A - Support muni d'une structure en spirale dans laquelle l'information sonore et/ou video est enregistree - Google Patents

Support muni d'une structure en spirale dans laquelle l'information sonore et/ou video est enregistree

Info

Publication number: CA1063241A
Authority: CA; Canada
Prior art keywords: carrier; radiation; light beam; record carrier; detector
Prior art date: 1971-03-04
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

CA287,701A

Other languages

English (en)

Inventor

Pieter Kramer

Klaas Compaan

Robert F.K. Forsthuber

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1971-03-04

Filing date

1977-09-28

Publication date

1979-09-25

1971-03-04 Priority claimed from NL7102863A external-priority patent/NL7102863A/xx

1977-09-28 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1977-09-28 Priority to CA287,701A priority Critical patent/CA1063241A/fr

1979-09-25 Application granted granted Critical

1979-09-25 Publication of CA1063241A publication Critical patent/CA1063241A/fr

Status Expired legal-status Critical Current

Links

230000005855 radiation Effects 0.000 claims description 19
238000011896 sensitive detection Methods 0.000 claims description 7
238000001514 detection method Methods 0.000 claims description 3
230000005540 biological transmission Effects 0.000 abstract description 4
239000013078 crystal Substances 0.000 description 5
230000003993 interaction Effects 0.000 description 3
238000000034 method Methods 0.000 description 3
206010013710 Drug interaction Diseases 0.000 description 2
230000008569 process Effects 0.000 description 2
239000010453 quartz Substances 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005530 etching Methods 0.000 description 1
230000004907 flux Effects 0.000 description 1
239000011521 glass Substances 0.000 description 1
238000003780 insertion Methods 0.000 description 1
230000037431 insertion Effects 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
229920002689 polyvinyl acetate Polymers 0.000 description 1
239000011118 polyvinyl acetate Substances 0.000 description 1
239000011241 protective layer Substances 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
230000007704 transition Effects 0.000 description 1

Landscapes

Optical Recording Or Reproduction (AREA)

CA287,701A 1971-03-04 1977-09-28 Support muni d'une structure en spirale dans laquelle l'information sonore et/ou video est enregistree Expired CA1063241A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA287,701A CA1063241A (fr)	1971-03-04	1977-09-28	Support muni d'une structure en spirale dans laquelle l'information sonore et/ou video est enregistree

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
NL7102863A NL7102863A (fr)	1971-03-04	1971-03-04
CA136,033A CA1023855A (fr)	1971-03-04	1972-03-02	Support a structure spirale pour l'enregistrement de donnees sonores ou video
CA287,701A CA1063241A (fr)	1971-03-04	1977-09-28	Support muni d'une structure en spirale dans laquelle l'information sonore et/ou video est enregistree

Publications (1)

Publication Number	Publication Date
CA1063241A true CA1063241A (fr)	1979-09-25

Family

ID=27161813

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA287,701A Expired CA1063241A (fr)	1971-03-04	1977-09-28	Support muni d'une structure en spirale dans laquelle l'information sonore et/ou video est enregistree

Country Status (1)

Country	Link
CA (1)	CA1063241A (fr)

1977
- 1977-09-28 CA CA287,701A patent/CA1063241A/fr not_active Expired

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