JPH0241613Y2 - - Google Patents
Info
- Publication number
- JPH0241613Y2 JPH0241613Y2 JP1979012619U JP1261979U JPH0241613Y2 JP H0241613 Y2 JPH0241613 Y2 JP H0241613Y2 JP 1979012619 U JP1979012619 U JP 1979012619U JP 1261979 U JP1261979 U JP 1261979U JP H0241613 Y2 JPH0241613 Y2 JP H0241613Y2
- Authority
- JP
- Japan
- Prior art keywords
- roof
- light
- wall
- receiving box
- box
- Prior art date
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 46
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 19
- 239000011496 polyurethane foam Substances 0.000 claims description 19
- 239000000428 dust Substances 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000000123 paper Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 229920006328 Styrofoam Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/18—Signals indicating condition of a camera member or suitability of light
- G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Viewfinders (AREA)
- Optical Elements Other Than Lenses (AREA)
- Cameras In General (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979012619U JPH0241613Y2 (US20050192411A1-20050901-C00001.png) | 1979-02-01 | 1979-02-01 | |
| US06/115,182 US4289392A (en) | 1979-02-01 | 1980-01-25 | Pentagonal roof reflecting mirror assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979012619U JPH0241613Y2 (US20050192411A1-20050901-C00001.png) | 1979-02-01 | 1979-02-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55113520U JPS55113520U (US20050192411A1-20050901-C00001.png) | 1980-08-09 |
| JPH0241613Y2 true JPH0241613Y2 (US20050192411A1-20050901-C00001.png) | 1990-11-06 |
Family
ID=11810385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979012619U Expired JPH0241613Y2 (US20050192411A1-20050901-C00001.png) | 1979-02-01 | 1979-02-01 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4289392A (US20050192411A1-20050901-C00001.png) |
| JP (1) | JPH0241613Y2 (US20050192411A1-20050901-C00001.png) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5136427A (en) * | 1989-01-09 | 1992-08-04 | Asahi Kogaku K.K. | Optical system for use with a viewfinder |
| JPH0758368B2 (ja) * | 1989-01-09 | 1995-06-21 | 旭光学工業株式会社 | ペンタミラーを用いた一眼レフカメラのファインダー光学系 |
| JPH0318520U (US20050192411A1-20050901-C00001.png) * | 1989-07-03 | 1991-02-22 | ||
| JPH07181583A (ja) * | 1993-12-24 | 1995-07-21 | Asahi Optical Co Ltd | 一眼レフカメラのファインダ内表示装置 |
| JPH07306448A (ja) * | 1994-05-16 | 1995-11-21 | Nikon Corp | ファインダー装置 |
| JP3486468B2 (ja) * | 1994-10-21 | 2004-01-13 | オリンパス株式会社 | プリズム光学系 |
| US6052533A (en) * | 1996-01-30 | 2000-04-18 | Canon Kabushiki Kaisha | Optical apparatus such as a camera |
| US6435105B1 (en) | 2000-10-17 | 2002-08-20 | Hyloft Usa, Llc | Suspended storage structure |
| JP4336545B2 (ja) * | 2003-08-07 | 2009-09-30 | キヤノン株式会社 | 光学部材、当該光学部材を有する照明装置及び露光装置 |
| KR100815340B1 (ko) | 2005-05-31 | 2008-03-19 | 삼성전기주식회사 | 균일성 구현을 위한 다각 반사 조명 장치 |
| KR100815351B1 (ko) | 2005-05-31 | 2008-03-19 | 삼성전기주식회사 | 일체식 광학계를 이용한 디스플레이 장치 |
| CN102096279A (zh) | 2009-10-27 | 2011-06-15 | 卡西欧计算机株式会社 | 框体的安装结构及电子设备 |
| US11369198B2 (en) | 2020-10-29 | 2022-06-28 | Knape & Vogt Manufacturing Company | Suspended storage shelf assembly |
| CN113885111A (zh) * | 2021-09-29 | 2022-01-04 | 深圳市先地图像科技有限公司 | 一种光阑以及激光器 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5241531A (en) * | 1975-09-29 | 1977-03-31 | Minolta Camera Co Ltd | Finder for single lens relex camera |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US624517A (en) * | 1899-05-09 | Photographic finder | ||
| US693077A (en) * | 1901-05-22 | 1902-02-11 | Peter N Staff | Mirror-frame. |
| US1716321A (en) * | 1927-05-26 | 1929-06-04 | Robert D Pearson | Lens |
| US2165512A (en) * | 1938-03-30 | 1939-07-11 | Ralph M Schofield | Camera periscope |
| US2465764A (en) * | 1945-08-23 | 1949-03-29 | Rca Corp | Optical unit with air expansion means |
| US2508864A (en) * | 1946-11-22 | 1950-05-23 | Lane Erik Lennart | Picture and motif finder |
| US3101412A (en) * | 1956-08-10 | 1963-08-20 | Cooke Troughton & Simms Ltd | Spore growth prevention in optical instruments |
| US3656421A (en) * | 1969-02-28 | 1972-04-18 | Ricoh Kk | Viewfinder optical system |
| US3603200A (en) * | 1970-04-17 | 1971-09-07 | Ricoh Kk | Roof-type reflecting mirror for viewfinder of single lens reflex camera |
| JPS5289938A (en) * | 1976-01-22 | 1977-07-28 | Minolta Camera Co Ltd | Single lens reflex camera using pentaprism |
| JPS5422843A (en) * | 1977-07-20 | 1979-02-21 | Minolta Camera Co Ltd | Reflecting mirror of pentagonal roof |
-
1979
- 1979-02-01 JP JP1979012619U patent/JPH0241613Y2/ja not_active Expired
-
1980
- 1980-01-25 US US06/115,182 patent/US4289392A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5241531A (en) * | 1975-09-29 | 1977-03-31 | Minolta Camera Co Ltd | Finder for single lens relex camera |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55113520U (US20050192411A1-20050901-C00001.png) | 1980-08-09 |
| US4289392A (en) | 1981-09-15 |
