DE2967500D1 - Apparatus and method for writing a signal information track on a disc - Google Patents

Apparatus and method for writing a signal information track on a disc

Info

Publication number
DE2967500D1
DE2967500D1 DE8181201022T DE2967500T DE2967500D1 DE 2967500 D1 DE2967500 D1 DE 2967500D1 DE 8181201022 T DE8181201022 T DE 8181201022T DE 2967500 T DE2967500 T DE 2967500T DE 2967500 D1 DE2967500 D1 DE 2967500D1
Authority
DE
Germany
Prior art keywords
writing
disc
signal information
information track
track
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
DE8181201022T
Other languages
German (de)
Inventor
Richard L Wilkinson
John S Winslow
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
Discovision Associates
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
Priority claimed from US05/890,407 external-priority patent/US4225873A/en
Application filed by Discovision Associates filed Critical Discovision Associates
Priority claimed from EP79300490A external-priority patent/EP0005316A1/en
Application granted granted Critical
Publication of DE2967500D1 publication Critical patent/DE2967500D1/en
Expired legal-status Critical Current

Links

DE8181201022T 1978-03-27 1979-03-27 Apparatus and method for writing a signal information track on a disc Expired DE2967500D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89077178A 1978-03-27 1978-03-27
US05/890,407 US4225873A (en) 1978-03-27 1978-03-27 Recording and playback system
EP79300490A EP0005316A1 (en) 1978-03-27 1979-03-27 Optical apparatus and process for recording information and record carrier formed by this apparatus; optical apparatus for retrieving the recorded information

Publications (1)

Publication Number Publication Date
DE2967500D1 true DE2967500D1 (en) 1985-09-19

Family

ID=27224531

Family Applications (3)

Application Number Title Priority Date Filing Date
DE8181201023T Expired DE2967484D1 (en) 1978-03-27 1979-03-27 Apparatus and method for writing a signal information track on a disc
DE8181201022T Expired DE2967500D1 (en) 1978-03-27 1979-03-27 Apparatus and method for writing a signal information track on a disc
DE8181201021T Expired DE2967478D1 (en) 1978-03-27 1979-03-27 Method of writing signal information on a disc

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE8181201023T Expired DE2967484D1 (en) 1978-03-27 1979-03-27 Apparatus and method for writing a signal information track on a disc

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8181201021T Expired DE2967478D1 (en) 1978-03-27 1979-03-27 Method of writing signal information on a disc

Country Status (1)

Country Link
DE (3) DE2967484D1 (en)

Also Published As

Publication number Publication date
DE2967478D1 (en) 1985-08-08
DE2967484D1 (en) 1985-08-14

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Free format text: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-ING. DR.-ING. STOCKMAIR, W., DIPL.-ING. DR.-ING. AE.E. CAL TECH SCHUMANN, K., DIPL.-PHYS. DR.RER.NAT. JAKOB, P., DIPL.-ING. BEZOLD, G., DIPL.-CHEM. DR.RER.NAT. MEISTER, W., DIPL.-ING. HILGERS, H., DIPL.-ING. MEYER-PLATH, H., DIPL.-ING. DR.-ING. EHNOLD, A., DIPL.-ING. SCHUSTER, T., DIPL.-PHYS. GOLDBACH, K., DIPL.-ING.DR.-ING. AUFENANGER, M., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8366 Restricted maintained after opposition proceedings