Quantity-of-light adjusting apparatus
Abstract
In a quantity-of-light adjusting apparatus having an iris (503) and an ND filter (502) which limit incident light, a control method for the quantity-of-light adjusting apparatus, and a computer program product providing a control program for the quantity-of-light adjusting apparatus, a state of limitation of the incident light by the iris is changed at a first changing speed, and, when a state of limitation of the incident light by the ND filter is changed, the state of limitation of the incident light by the iris is changed at a second changing speed different from the first changing speed.

Term
Term ended
Projected expiry passed 12 July 2020, 6.2 years ago.
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- Projected expiry
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1 sheet
Sheet 1
Every citation, both waysCites: the store holds 5 of 6
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0804021A2 | Cites | European Patent Office (EPO) | A | Search report | 1-40 |
| US4855814A | Cites | United States of America | YA | Search report | 23-40 |
| US5083209A | Cites | United States of America | A | Search report | 1-40 |
| US5387958A | Cites | United States of America | YA | Search report | 26,27 |
| US5483280A | Cites | United States of America | A | Search report | 1-40 |
| PATENT ABSTRACTS OF JAPAN vol. 1997, no. 08 29 August 1997 (1997-08-29) | Non-patent | – | – | Search report | – |
| PATENT ABSTRACTS OF JAPAN vol. 1999, no. 12 29 October 1999 (1999-10-29) | Non-patent | – | – | Search report | – |
11 members in 4 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 19953399 | Japan | A | |
| 19953399 | Japan | A | |
| 19953399 | Japan | – | |
| 19953399 | – | – | – |
| JP19990199533 | – | – | – |
Members11
| Document | Office | Kind | |
|---|---|---|---|
| EP1069767A2 | European Patent Office (EPO) | A2 | |
| JP2001086400A | Japan | A | |
| EP1069767A3This record | European Patent Office (EPO) | A3 | |
| JP2004007580A | Japan | A | |
| US6930723B1 | United States of America | B1 | |
| US2005225662A1 | United States of America | A1 | |
| EP1069767B1 | European Patent Office (EPO) | B1 | |
| DE60037853D1 | Germany | D1 | |
| DE60037853T2 | Germany | T2 | |
| US7557857B2 | United States of America | B2 | |
| JP4378101B2 | Japan | B2 |
33 legal events, as 4 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119 | R119 | DE | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Fr: translation filedET | ET | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | EP | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Designation fees paidDE FR GBAKX | AKX | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAL;LT;LV;MK;RO;SIAX | AX | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Information provided on ipc code assigned before grant7H 04N 5/238 A, 7G 03B 7/085 B, 7G 03B 7/095 B, 7H 04N 5/232 B, 7H 04N 5/235 BRIC1 | RIC1 | EP | |
| Designated contracting statesAK | AK | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAL;LT;LV;MK;RO;SIAX | AX | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 1069767
- Publication, DOCDB
- 1069767
- Publication, EPODOC
- EP1069767
- Application
- 115144
- Application, DOCDB
- 00115144
- Application, EPODOC
- EP20000115144
Titles3
- German
- Lichtmengenregelvorrichtung
- English
- Quantity-of-light adjusting apparatus
- French
- Dispositif de réglage de la quantité de lumière
Classification
- CPC, 1
- H04N23/75
- IPC, 1
- H04N23 75
Designated states2
- Contracting states, 1
- Sweden
- Extension states, 1
- Slovenia