CA2025062A1 - Bar lens with smaller thickness for greater rate of magnification - Google Patents

Bar lens with smaller thickness for greater rate of magnification

Info

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
Application number
CA 2025062
Other languages
English (en)
French (fr)
Inventor
Masahiro Terasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2025062A1 publication Critical patent/CA2025062A1/en
Abandoned legal-status Critical Current

Links

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)
CA 2025062 1989-09-14 1990-09-11 Bar lens with smaller thickness for greater rate of magnification Abandoned CA2025062A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1-107833 1989-09-14
JP10783389U JPH0347502U (en]) 1989-09-14 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 (en])
JP (1) JPH0347502U (en])
CA (1) CA2025062A1 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010010464B4 (de) 2010-03-06 2011-11-17 Bcd-Gmbh Lesehilfe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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
DE6941792U (de) * 1969-10-23 1970-01-29 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

Also Published As

Publication number Publication date
EP0418092A3 (en) 1992-02-26
EP0418092A2 (en) 1991-03-20
JPH0347502U (en]) 1991-05-02

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Legal Events

Date Code Title Description
FZDE Dead