JPS4910027A - - Google Patents
Info
- Publication number
- JPS4910027A JPS4910027A JP47050985A JP5098572A JPS4910027A JP S4910027 A JPS4910027 A JP S4910027A JP 47050985 A JP47050985 A JP 47050985A JP 5098572 A JP5098572 A JP 5098572A JP S4910027 A JPS4910027 A JP S4910027A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B19/00—Cameras
- G03B19/02—Still-picture cameras
- G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Viewfinders (AREA)
- Lenses (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47050985A JPS4910027A (ja) | 1972-05-23 | 1972-05-23 | |
US360949A US3881804A (en) | 1972-05-23 | 1973-05-16 | Compact angle finder with adjustable magnifying lens system |
DE2325957A DE2325957B2 (de) | 1972-05-23 | 1973-05-22 | Winkelsucher mit einstellbarem VergröBerungssystem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47050985A JPS4910027A (ja) | 1972-05-23 | 1972-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4910027A true JPS4910027A (ja) | 1974-01-29 |
Family
ID=12874076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47050985A Pending JPS4910027A (ja) | 1972-05-23 | 1972-05-23 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3881804A (ja) |
JP (1) | JPS4910027A (ja) |
DE (1) | DE2325957B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62152512A (ja) * | 1985-12-25 | 1987-07-07 | Kurimoto Iron Works Ltd | パルスジェット式集塵装置の脱塵機構 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52133632U (ja) * | 1976-04-07 | 1977-10-11 | ||
US4100557A (en) * | 1977-05-12 | 1978-07-11 | Duc Doan | Visor optical camera system |
DE3918416A1 (de) * | 1989-06-06 | 1990-12-13 | Menke Josef F | Optische anordnung von linsen zur erzeugung von drei bildwinkeln durch drehung eines linsensystems |
US5528416A (en) * | 1995-06-05 | 1996-06-18 | Martin Marietta Corporation | Compact multiple field-of-view attachment |
CN100368854C (zh) * | 2003-09-19 | 2008-02-13 | 苏州信达光电科技有限公司 | 可改变观测角度的转角镜 |
FR2865045B1 (fr) * | 2004-01-09 | 2006-04-21 | Thales Sa | Dispositif afocal a trois positions pour systeme de visualisation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1553211A (en) * | 1921-08-26 | 1925-09-08 | Barr & Stroud Ltd | Attachment for varying the magnifying power of telescopes |
US1975302A (en) * | 1929-10-03 | 1934-10-02 | Zeiss Carl Fa | Finder for photographic cameras |
US2068829A (en) * | 1931-05-01 | 1937-01-26 | Zeiss Carl Fa | Reducing telescopic view finder for photographic cameras |
US2552940A (en) * | 1947-05-30 | 1951-05-15 | Pignons S A Ballaigues | Viewing device for photographic apparatus and cinematographic cameras |
US2862417A (en) * | 1953-11-20 | 1958-12-02 | Keuffel & Esser Co | Telescope eyepiece |
US2901943A (en) * | 1956-09-05 | 1959-09-01 | American Optical Corp | Stereoscopic microscope |
-
1972
- 1972-05-23 JP JP47050985A patent/JPS4910027A/ja active Pending
-
1973
- 1973-05-16 US US360949A patent/US3881804A/en not_active Expired - Lifetime
- 1973-05-22 DE DE2325957A patent/DE2325957B2/de active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62152512A (ja) * | 1985-12-25 | 1987-07-07 | Kurimoto Iron Works Ltd | パルスジェット式集塵装置の脱塵機構 |
JPH0261290B2 (ja) * | 1985-12-25 | 1990-12-19 | Kurimoto Ltd |
Also Published As
Publication number | Publication date |
---|---|
DE2325957B2 (de) | 1975-11-06 |
US3881804A (en) | 1975-05-06 |
DE2325957A1 (de) | 1973-11-29 |