| 54 |
Title |
TI |
[EN] Optical apparatus |
| 71/73 |
Applicant/owner |
PA |
CANON KK, JP
|
| 72 |
Inventor |
IN |
IIZUKA TOSHIMI, JP
|
| 22/96 |
Application date |
AD |
Apr 11, 2001 |
| 21 |
Application number |
AN |
82991301 |
|
Country of application |
AC |
US |
|
Publication date |
PUB |
Jul 12, 2005 |
33
31
32 |
Priority data |
PRC
PRN
PRD |
JP
19868292
Jul 24, 1992
|
33
31
32 |
PRC
PRN
PRD |
US
56706595
Dec 4, 1995
|
33
31
32 |
PRC
PRN
PRD |
US
90610797
Aug 5, 1997
|
33
31
32 |
PRC
PRN
PRD |
US
9370093
Jul 20, 1993
|
| 51 |
IPC main class |
ICM |
G02B 27/64
|
| 51 |
IPC secondary class |
ICS |
G02B 7/18
|
|
IPC additional class |
ICA |
|
|
IPC index class |
ICI |
|
|
Cooperative patent classification |
CPC |
G02B 27/646
|
|
MCD main class |
MCM |
G02B 23/00
(2006.01)
|
|
MCD secondary class |
MCS |
G02B 26/00
(2006.01)
G02B 27/64
(2006.01)
|
|
MCD additional class |
MCA |
|
| 57 |
Abstract |
AB |
[EN] This invention relates to an optical apparatus for observation which is provided with drive control means for driving a variable angle prism on the basis of an output signal from vibration detecting means and in which the variable angle prism is installed between an objective lens and an erect prism. |
| 56 |
Cited documents identified in the search |
CT |
JP000H03200229A
US000003514192A
US000004673262A
US000005107293A
US000005172150A
US000005175580A
US000005416557A
US000006246520B1
|
| 56 |
Cited documents indicated by the applicant |
CT |
SU000000205621A1
JP00000S505058A
JP0000H0395533A
JP0000H0420942A
JP000H03235927A
US000003503663A
US000003608995A
US000003942862A
US000004013339A
US000004063261A
US000005042930A
US000005140462A
US000005182671A
US000005311367A
US000005315435A
US000005661597A
US000005672862A
|
| 56 |
Cited non-patent literature identified in the search |
CTNP |
|
| 56 |
Cited non-patent literature indicated by the applicant |
CTNP |
|
|
Citing documents |
|
Determine documents
|
|
Sequence listings |
|
|
|
Search file IPC |
ICP |
G02B 1/00
G02B 27/64
|
