EP1577696A3
Optical switch
Abstract
In an optical switch including an input block in which light is incident; an output block for transferring input light from the input block; and a reflector for performing a switching operation by reflecting input light from the input block. The switching mechanism makes use of a hysteresis effect occuring in ferromagnetic materials in order to maintain a switching state without further power consumption.
Term
Term ended
Projected expiry passed 23 October 2023, 2.9 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both waysCites: the store holds 6 of 7
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| WO0057233A2 | Cites | World Intellectual Property Organization (WIPO) | X | Search report | 1-5 |
| US2002121951A1 | Cites | United States of America | A | Search report | 1-10 |
| US2002159680A1 | Cites | United States of America | PY | Search report | 6 |
| US2003190116A1 | Cites | United States of America | PY | Search report | 6 |
| US5945898A | Cites | United States of America | XY | Search report | 1-5 |
| US6094293A | Cites | United States of America | Y | Search report | 6 |
| PATENT ABSTRACTS OF JAPAN vol. 009, no. 083 (P - 348) 12 April 1985 (1985-04-12) | Non-patent | – | – | Search report | – |
| PATENT ABSTRACTS OF JAPAN vol. 2000, no. 25 12 April 2001 (2001-04-12) | Non-patent | – | – | Search report | – |
| PATENT ABSTRACTS OF JAPAN vol. 2003, no. 06 3 June 2003 (2003-06-03) | Non-patent | – | – | Search report | – |
11 members in 6 offices
Priority claims14
| Document | Office | Kind | Date |
|---|---|---|---|
| 20020065335 | Republic of Korea | A | |
| 20020065335 | Republic of Korea | A | |
| 2002065335 | Republic of Korea | – | |
| 20020075488 | Republic of Korea | A | |
| 20020075488 | Republic of Korea | A | |
| 2002075488 | Republic of Korea | – | |
| 03024431 | European Patent Office (EPO) | A | |
| 03024431 | European Patent Office (EPO) | A | |
| 03024431 | – | – | – |
| 2002065335 | – | – | – |
| 2002075488 | – | – | – |
| EP20030024431 | – | – | – |
| KR20020065335 | – | – | – |
| KR20020075488 | – | – | – |
Members11
| Document | Office | Kind | |
|---|---|---|---|
| EP1413913A2 | European Patent Office (EPO) | A2 | |
| KR20040036357A | Republic of Korea | A | |
| US2004091202A1 | United States of America | A1 | |
| JP2004145348A | Japan | A | |
| CN1499230A | China | A | |
| KR20040047327A | Republic of Korea | A | |
| EP1413913A3 | European Patent Office (EPO) | A3 | |
| TW200413762A | Taiwan Province of China | A | |
| TWI229210B | Taiwan Province of China | B | |
| EP1577696A2 | European Patent Office (EPO) | A2 | |
| EP1577696A3This record | European Patent Office (EPO) | A3 |
16 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application deemed to be withdrawnWithdrawn18D | 18D | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA | STAA | |
| First examination report despatched17Q | 17Q | |
| Designation fees paidAKX | AKX | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | |
| Designated contracting statesAK | AK | |
| Request for examination filed17P | 17P | |
| Divisional application: reference to earlier applicationAC | AC | |
| Designated contracting statesAK | AK | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 1577696
- Publication, DOCDB
- 1577696
- Publication, EPODOC
- EP1577696
- Application
- 5013442
- Application, DOCDB
- 05013442
- Application, EPODOC
- EP20050013442
Titles3
- German
- Optischer Schalter
- English
- Optical switch
- French
- Commutateur optique
Classification
- CPC, 11
- G02B6/358
- G02B6/3514
- G02B6/3546
- G02B6/355
- G02B6/3572
- G02B7/1828
- G02B26/085
- H04Q11/0005
- H04Q2011/0024
- H04Q2011/003
- H04Q2011/0058
- IPC, 4
- G02B6 35
- G02B7 182
- H04Q11 00
- G02B26 08
Designated states1
- Contracting states, 1
- Türkiye