DD106907A5 - - Google Patents
Info
- Publication number
- DD106907A5 DD106907A5 DD170683A DD17068373A DD106907A5 DD 106907 A5 DD106907 A5 DD 106907A5 DD 170683 A DD170683 A DD 170683A DD 17068373 A DD17068373 A DD 17068373A DD 106907 A5 DD106907 A5 DD 106907A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Microscoopes, Condenser (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00320369A US3804492A (en) | 1973-01-02 | 1973-01-02 | Aperture viewing zoom lens system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD106907A5 true DD106907A5 (de) | 1974-07-05 |
Family
ID=23246110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD170683A DD106907A5 (de) | 1973-01-02 | 1973-05-08 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3804492A (de) |
| JP (1) | JPS4999050A (de) |
| AT (1) | AT349783B (de) |
| CA (1) | CA986346A (de) |
| CH (1) | CH557547A (de) |
| DD (1) | DD106907A5 (de) |
| DE (1) | DE2322648C2 (de) |
| FR (1) | FR2212555B1 (de) |
| GB (1) | GB1423652A (de) |
| IN (1) | IN139516B (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2906172A (en) * | 1955-05-21 | 1959-09-29 | Schneider Co Optische Werke | Varifocal objective system |
| US3030861A (en) * | 1959-06-29 | 1962-04-24 | Bausch & Lomb | Variable power optical system for microscopes |
| US3202050A (en) * | 1961-12-15 | 1965-08-24 | Bausch & Lomb | Zoom type of eyepiece for optical instrument |
| DE2133643C2 (de) * | 1970-07-08 | 1982-04-22 | Polaroid Corp., 02139 Cambridge, Mass. | Photographisches Objektiv in Form eines Tripletts |
-
1973
- 1973-01-02 US US00320369A patent/US3804492A/en not_active Expired - Lifetime
- 1973-05-03 DE DE2322648A patent/DE2322648C2/de not_active Expired
- 1973-05-04 IN IN1048/CAL/73A patent/IN139516B/en unknown
- 1973-05-08 DD DD170683A patent/DD106907A5/xx unknown
- 1973-05-15 AT AT424073A patent/AT349783B/de active
- 1973-05-23 FR FR7320117A patent/FR2212555B1/fr not_active Expired
- 1973-05-24 CA CA172,154A patent/CA986346A/en not_active Expired
- 1973-07-27 CH CH1101173A patent/CH557547A/de not_active IP Right Cessation
- 1973-12-21 JP JP48142577A patent/JPS4999050A/ja active Pending
-
1974
- 1974-01-02 GB GB5674A patent/GB1423652A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3804492A (en) | 1974-04-16 |
| CA986346A (en) | 1976-03-30 |
| IN139516B (de) | 1976-06-26 |
| DE2322648C2 (de) | 1982-09-02 |
| GB1423652A (en) | 1976-02-04 |
| ATA424073A (de) | 1978-09-15 |
| DE2322648A1 (de) | 1974-07-04 |
| FR2212555A1 (de) | 1974-07-26 |
| AT349783B (de) | 1979-04-25 |
| JPS4999050A (de) | 1974-09-19 |
| CH557547A (de) | 1974-12-31 |
| FR2212555B1 (de) | 1976-11-12 |