NL6916699A - - Google Patents
Info
- Publication number
- NL6916699A NL6916699A NL6916699A NL6916699A NL6916699A NL 6916699 A NL6916699 A NL 6916699A NL 6916699 A NL6916699 A NL 6916699A NL 6916699 A NL6916699 A NL 6916699A NL 6916699 A NL6916699 A NL 6916699A
- Authority
- NL
- Netherlands
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
- G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
- G02B23/125—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification head-mounted
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Radiation Pyrometers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1664568A CH488175A (de) | 1968-11-06 | 1968-11-06 | Einrichtung zum visuellen Beobachten von Werkstücken und zur Ueberwachung von deren Oberflächentemperatur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6916699A true NL6916699A (xx) | 1970-05-11 |
Family
ID=4419018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6916699A NL6916699A (xx) | 1968-11-06 | 1969-11-05 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH488175A (xx) |
| DE (1) | DE1933634A1 (xx) |
| FR (1) | FR2022679A1 (xx) |
| NL (1) | NL6916699A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4986644A (en) * | 1989-09-11 | 1991-01-22 | Yang John J | Wearable binoculars |
-
1968
- 1968-11-06 CH CH1664568A patent/CH488175A/de not_active IP Right Cessation
-
1969
- 1969-07-02 DE DE19691933634 patent/DE1933634A1/de active Pending
- 1969-10-31 FR FR6937508A patent/FR2022679A1/fr not_active Withdrawn
- 1969-11-05 NL NL6916699A patent/NL6916699A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH488175A (de) | 1970-03-31 |
| FR2022679A1 (xx) | 1970-08-07 |
| DE1933634A1 (de) | 1970-08-06 |