BE658378A - - Google Patents
Info
- Publication number
- BE658378A BE658378A BE658378DA BE658378A BE 658378 A BE658378 A BE 658378A BE 658378D A BE658378D A BE 658378DA BE 658378 A BE658378 A BE 658378A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/14—Viewfinders
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/32—Fiducial marks and measuring scales within the optical system
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35931764A | 1964-04-13 | 1964-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE658378A true BE658378A (fr) | 1965-04-30 |
Family
ID=23413305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE658378D BE658378A (fr) | 1964-04-13 | 1965-01-15 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3423155A (fr) |
| BE (1) | BE658378A (fr) |
| NL (1) | NL6501802A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3547522A (en) * | 1968-09-04 | 1970-12-15 | United Aircraft Corp | On-axis collimated viewing system |
| US5901452A (en) * | 1997-08-29 | 1999-05-11 | Remington Arms Co., Inc. | Gunsight |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2324444A (en) * | 1941-04-16 | 1943-07-13 | Wappler Frederick Charles | Optical instrument |
| US2377064A (en) * | 1942-09-29 | 1945-05-29 | John R Aufiero | Sighting device |
| US2358794A (en) * | 1942-11-25 | 1944-09-26 | Gen Electric | Optical sighting instrument |
| US2405263A (en) * | 1944-02-02 | 1946-08-06 | Clarence J Harasta | Bomb sight |
| US2566389A (en) * | 1945-11-28 | 1951-09-04 | Udell C Walk | Ordnance sight |
| US2490747A (en) * | 1946-08-06 | 1949-12-06 | Eastman Kodak Co | Infinity sight using a transparent reflector |
| US2725781A (en) * | 1951-10-15 | 1955-12-06 | Russell E Banker | Reticle for eliminating parallax from sights |
| US3216308A (en) * | 1961-10-05 | 1965-11-09 | Marvin J Northcutt | Aircraft landing sight including collimating mangin mirror and corrector lens |
-
1964
- 1964-04-13 US US359317A patent/US3423155A/en not_active Expired - Lifetime
-
1965
- 1965-01-15 BE BE658378D patent/BE658378A/xx unknown
- 1965-02-12 NL NL6501802A patent/NL6501802A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6501802A (fr) | 1965-10-14 |
| US3423155A (en) | 1969-01-21 |