CA2025062A1 - Bar lens with smaller thickness for greater rate of magnification - Google Patents
Bar lens with smaller thickness for greater rate of magnificationInfo
- Publication number
- CA2025062A1 CA2025062A1 CA 2025062 CA2025062A CA2025062A1 CA 2025062 A1 CA2025062 A1 CA 2025062A1 CA 2025062 CA2025062 CA 2025062 CA 2025062 A CA2025062 A CA 2025062A CA 2025062 A1 CA2025062 A1 CA 2025062A1
- Authority
- CA
- Canada
- Prior art keywords
- lens
- bar
- linear
- leg portion
- cross
- 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.)
- Abandoned
Links
- 230000004048 modification Effects 0.000 description 9
- 238000012986 modification Methods 0.000 description 9
- 238000001746 injection moulding Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Endoscopes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10783389U JPH0347502U (forum.php) | 1989-09-14 | 1989-09-14 | |
| JP1-107833 | 1989-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2025062A1 true CA2025062A1 (en) | 1991-03-15 |
Family
ID=14469197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2025062 Abandoned CA2025062A1 (en) | 1989-09-14 | 1990-09-11 | Bar lens with smaller thickness for greater rate of magnification |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0418092A3 (forum.php) |
| JP (1) | JPH0347502U (forum.php) |
| CA (1) | CA2025062A1 (forum.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010010464B4 (de) | 2010-03-06 | 2011-11-17 | Bcd-Gmbh | Lesehilfe |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1212315B (de) * | 1964-02-27 | 1966-03-10 | Ragna Hoest Schjerven Geb Hoes | Gleitschiene fuer Lesestab mit eingebautem Futteral zur Aufbewahrung des Stabes |
| DE1954066A1 (de) * | 1969-10-23 | 1971-04-29 | Siemens Ag | Elektrische Kontaktanordnung zur Unterbrechung eines Stromkreises unter Lichtbogenbildung |
| JPS52127251A (en) * | 1976-04-16 | 1977-10-25 | Tokyo Keiki Kk | Magnifier |
| FR2556848B1 (fr) * | 1983-12-15 | 1986-04-18 | Loupes Hautes Performances | Loupe de lecture |
| DE8704812U1 (de) * | 1987-04-01 | 1987-06-04 | Eschenbach Optik GmbH + Co, 8500 Nürnberg | Hellfeldlupe |
| DE8807303U1 (de) * | 1988-06-04 | 1988-10-13 | Eschenbach Optik GmbH + Co, 8500 Nürnberg | Lese- und Betrachtungsgerät |
-
1989
- 1989-09-14 JP JP10783389U patent/JPH0347502U/ja active Pending
-
1990
- 1990-09-11 CA CA 2025062 patent/CA2025062A1/en not_active Abandoned
- 1990-09-14 EP EP19900310068 patent/EP0418092A3/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP0418092A2 (en) | 1991-03-20 |
| JPH0347502U (forum.php) | 1991-05-02 |
| EP0418092A3 (en) | 1992-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |