FR2372424B1 - - Google Patents
Info
- Publication number
- FR2372424B1 FR2372424B1 FR7735890A FR7735890A FR2372424B1 FR 2372424 B1 FR2372424 B1 FR 2372424B1 FR 7735890 A FR7735890 A FR 7735890A FR 7735890 A FR7735890 A FR 7735890A FR 2372424 B1 FR2372424 B1 FR 2372424B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0228—Testing optical properties by measuring refractive power
- G01M11/0235—Testing optical properties by measuring refractive power by measuring multiple properties of lenses, automatic lens meters
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14453376A JPS5369058A (en) | 1976-11-30 | 1976-11-30 | Lens meter |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2372424A1 FR2372424A1 (fr) | 1978-06-23 |
FR2372424B1 true FR2372424B1 (fr) | 1980-10-17 |
Family
ID=15364519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7735890A Expired FR2372424B1 (fr) | 1976-11-30 | 1977-11-29 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4203666A (fr) |
JP (1) | JPS5369058A (fr) |
AU (1) | AU508154B2 (fr) |
CA (1) | CA1078171A (fr) |
DE (1) | DE2752696C3 (fr) |
FR (1) | FR2372424B1 (fr) |
GB (1) | GB1586679A (fr) |
IT (1) | IT1088513B (fr) |
NL (1) | NL174761C (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5687836A (en) * | 1979-12-19 | 1981-07-16 | Tokyo Optical Co Ltd | Projection type lens meter |
FR2501372A1 (fr) * | 1981-03-05 | 1982-09-10 | Tokyo Optical | Focometre |
US4741617A (en) * | 1986-11-10 | 1988-05-03 | Hughes Aircraft Company | Method and apparatus for measuring, magnification power of a magnifying aid |
US4767215A (en) * | 1986-06-09 | 1988-08-30 | Ateoq Corporation | Lens characterization apparatus and method |
FR2984565A1 (fr) * | 2011-12-19 | 2013-06-21 | Thomson Licensing | Procede et dispositif d'estimation de la puissance optique des lentilles de verres correcteurs d'une paire de lunettes portee par un spectateur. |
US20130321773A1 (en) * | 2012-06-05 | 2013-12-05 | Cheng-Chung Lee | Optometric Automatic Test Device and Method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1005749A (fr) * | 1947-09-17 | 1952-04-15 | Desgranges & Huot | Perfectionnements apportés aux dispositifs pour mesurer la puissance de lentilles et de systèmes optiques |
US3136839A (en) * | 1958-09-16 | 1964-06-09 | Safir Aran | Apparatus for objectively testing an optical system |
GB1147452A (en) * | 1965-03-30 | 1969-04-02 | Hanwell Optical Company Ltd | Improvements in or relating to focimeters |
US3360660A (en) * | 1965-04-07 | 1967-12-26 | Gen Motors Corp | Position and rate readout system with dual phase-displaced gratings |
US3378677A (en) * | 1965-10-04 | 1968-04-16 | Ibm | Serial divider |
US3723748A (en) * | 1971-06-23 | 1973-03-27 | Ibm | Digital tachometer with symmetrical output |
US3749925A (en) * | 1971-12-01 | 1973-07-31 | Iomec | Opto-electronic transducer for position initialization of a linear motion mechanism |
US3832066A (en) * | 1972-10-27 | 1974-08-27 | Acuity Syst Inc | Apparatus and method for analyzing sphero-cylindrical optical systems |
JPS5242389B2 (fr) * | 1973-03-22 | 1977-10-24 | ||
US3953130A (en) * | 1974-06-12 | 1976-04-27 | Kabushiki Kaisha Hoya Lens | Automatic digital indicating lens meter |
US4123163A (en) * | 1976-11-12 | 1978-10-31 | American Optical Corporation | Lens power display in prescription form |
-
1976
- 1976-11-30 JP JP14453376A patent/JPS5369058A/ja active Granted
-
1977
- 1977-11-01 US US05/847,505 patent/US4203666A/en not_active Expired - Lifetime
- 1977-11-15 AU AU30671/77A patent/AU508154B2/en not_active Expired
- 1977-11-23 IT IT29942/77A patent/IT1088513B/it active
- 1977-11-25 DE DE2752696A patent/DE2752696C3/de not_active Expired
- 1977-11-29 CA CA292,000A patent/CA1078171A/fr not_active Expired
- 1977-11-29 NL NLAANVRAGE7713144,A patent/NL174761C/xx not_active IP Right Cessation
- 1977-11-29 FR FR7735890A patent/FR2372424B1/fr not_active Expired
- 1977-11-30 GB GB49846/77A patent/GB1586679A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2372424A1 (fr) | 1978-06-23 |
CA1078171A (fr) | 1980-05-27 |
DE2752696C3 (de) | 1981-04-23 |
AU3067177A (en) | 1979-05-24 |
DE2752696B2 (de) | 1980-06-19 |
US4203666A (en) | 1980-05-20 |
JPS5527294B2 (fr) | 1980-07-19 |
GB1586679A (en) | 1981-03-25 |
NL7713144A (nl) | 1978-06-01 |
IT1088513B (it) | 1985-06-10 |
AU508154B2 (en) | 1980-03-13 |
JPS5369058A (en) | 1978-06-20 |
NL174761B (nl) | 1984-03-01 |
NL174761C (nl) | 1984-08-01 |
DE2752696A1 (de) | 1978-06-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
TP | Transmission of property |