EP1901291A3

Methods for writing and reading information and devices based thereon

Abstract

Memory devices and methods of storing and reading information are disclosed. Also disclosed are methods of storing information encoded with at least two polarization magnitudes and at least two polarization directions; wherein the polarization magnitudes provide a first channel for encoding information and the polarization directions provide a second channel for encoding information.

Term

Projected expiry 20 August 2027.

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during	Relevant claims
EP1513159A2	Cites	European Patent Office (EPO)	A	Search report	1-3,8,9
EP1580825A1	Cites	European Patent Office (EPO)	A	Search report	1-3,8,9
US2003053400A1	Cites	United States of America	X	Search report	1-3,5-10
US2004105380A1	Cites	United States of America	A	Search report	1-10
JP2005149647A	Cites	Japan	XY	Search report	1-3,5-10
US4979052A	Cites	United States of America	Y	Search report	4
US5985404A	Cites	United States of America	A	Search report	1-10

9 members in 8 offices

This recordMember, by publication datePriority claim

Priority claims4

Priority claims
Document	Office	Kind	Date
825315	United States of America	–	2006-09-12
82531506	United States of America	P	2006-09-12
825315	–	–	–
US20060825315P	–	–	–

Members9

Family members, oldest first
Document	Office	Kind
CA2597201A1	Canada	A1	2008-03-12
US2008062853A1	United States of America	A1	2008-03-13
TW200814052A	Taiwan Province of China	A	2008-03-16
KR20080024061A	Republic of Korea	A	2008-03-17
CN101145362A	China	A	2008-03-19
EP1901291A2	European Patent Office (EPO)	A2	2008-03-19
JP2008077817A	Japan	A	2008-04-03
SG141313A1	Singapore	A1	2008-04-28
EP1901291A3This record	European Patent Office (EPO)	A3	2008-10-08

11 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
2010-02-17	Application deemed to be withdrawnWithdrawn18D	18D
2010-01-15	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA	STAA
2009-06-17	Designation fees paidAKX	AKX
2009-04-01	First examination report despatched17Q	17Q
2008-10-08	Designated contracting statesAK	AK
2008-10-08	Request for extension of the european patentAX	AX
2008-09-05	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL
2008-03-19	Request for examination filed17P	17P
2008-03-19	Designated contracting statesAK	AK
2008-03-19	Request for extension of the european patentAX	AX
2008-02-15	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI