EP0347511A3

Video disc with a supplementary audio and signal track

Abstract

Image plate with an additional audio & signal track recorded separately from the original and original sound signals and scanned by two separate laser systems.

EP0347511A3, drawing sheet 1 — Sheet 1 of 1

Term

Term ended

Projected expiry passed 17 November 2008, 17.9 years ago.

1 sheet

Sheet 1

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during
EP0165320A1	Cites	European Patent Office (EPO)	A	Search report
EP0242215A2	Cites	European Patent Office (EPO)	Y	Search report
US3829610A	Cites	United States of America	Y	Search report
US4142209A	Cites	United States of America	A	Search report

3 priority claims, no other members on record

This recordMember, by publication datePriority claim

Priority claims3

Priority claims
Document	Office	Kind	Date
453787	Switzerland	–	1987-11-19
453787	Switzerland	A	1987-11-19
CH19870004537	–	–	–

6 legal events, as the office reported them to INPADOC

Over the term

Point at a mark for the event

Events

Legal events, newest first
	Event	Code
1991-11-27	Application deemed to be withdrawnWithdrawn18D	18D
1991-10-08	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA	STAA
1990-11-14	Designated contracting statesAK	AK
1990-09-26	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL
1989-12-27	Designated contracting statesAK	AK
1989-11-11	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI