FR944080A - Improvements to devices for detecting color perception anomalies - Google Patents
Improvements to devices for detecting color perception anomaliesInfo
- Publication number
- FR944080A FR944080A FR944080DA FR944080A FR 944080 A FR944080 A FR 944080A FR 944080D A FR944080D A FR 944080DA FR 944080 A FR944080 A FR 944080A
- Authority
- FR
- France
- Prior art keywords
- anomalies
- devices
- color perception
- detecting color
- detecting
- 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.)
- Expired
Links
- 230000004456 color vision Effects 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/06—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptation; for testing colour vision
- A61B3/066—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptation; for testing colour vision for testing colour vision
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18620/43A GB570699A (en) | 1943-11-09 | 1943-11-09 | Improvements in or relating to apparatus for testing colour blindness |
Publications (1)
Publication Number | Publication Date |
---|---|
FR944080A true FR944080A (en) | 1949-03-25 |
Family
ID=10115581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR944080D Expired FR944080A (en) | 1943-11-09 | 1946-10-25 | Improvements to devices for detecting color perception anomalies |
Country Status (3)
Country | Link |
---|---|
US (1) | US2453335A (en) |
FR (1) | FR944080A (en) |
GB (1) | GB570699A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1056745B (en) * | 1953-09-24 | 1959-05-06 | Funkwerk Erfurt Veb K | Electric capacitor with variable capacitance, especially trimmer capacitor |
FR2520604A1 (en) * | 1982-01-29 | 1983-08-05 | Essilor Int | Colour blindness determn. by LED shade equivalence - using reference shade and shade synthesised by addition of primaries combined by signal mark-space ratio adjustment |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL84710C (en) * | 1954-04-03 | |||
US2968212A (en) * | 1957-08-12 | 1961-01-17 | Joseph A Marano | Photochromatic astigmatic slide |
AT343782B (en) * | 1973-07-14 | 1978-06-12 | Rodenstock Optik G | ARRANGEMENT FOR TESTING COLOR VISIBILITY |
US4765731A (en) * | 1986-03-21 | 1988-08-23 | John J. Ferlazzo | Solid state color vision testing system |
US4848898A (en) * | 1987-06-30 | 1989-07-18 | Lkc Technologies, Inc. | Apparatus for testing color vision |
US5436681A (en) * | 1994-04-12 | 1995-07-25 | Michaels; Brian A. | Apparatus and method for screening individuals for ametropic conditions |
CN1157151C (en) * | 2000-12-26 | 2004-07-14 | 陈言 | Color vision detecting and correcting method and equipment and its application |
EP2704000B1 (en) | 2012-08-27 | 2022-10-26 | Tata Consultancy Services Limited | Dynamic image modification for a color deficient user |
CN106199954B (en) * | 2016-08-30 | 2019-03-22 | 陈晓冬 | A kind of Optical devices and its design method for correcting the weak colour blindness of blue yellow |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1629330A (en) * | 1924-07-12 | 1927-05-17 | Hazel H Adler | Color-harmony device |
US1973968A (en) * | 1933-01-23 | 1934-09-18 | Combustion Eng Corp | Waste heat boiler |
GB441758A (en) * | 1935-09-14 | 1936-01-24 | Karl Schur | Improvements in sight-testing cards |
US2165169A (en) * | 1936-09-28 | 1939-07-04 | Means for determining the primaries |
-
1943
- 1943-11-09 GB GB18620/43A patent/GB570699A/en not_active Expired
-
1944
- 1944-10-27 US US560628A patent/US2453335A/en not_active Expired - Lifetime
-
1946
- 1946-10-25 FR FR944080D patent/FR944080A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1056745B (en) * | 1953-09-24 | 1959-05-06 | Funkwerk Erfurt Veb K | Electric capacitor with variable capacitance, especially trimmer capacitor |
FR2520604A1 (en) * | 1982-01-29 | 1983-08-05 | Essilor Int | Colour blindness determn. by LED shade equivalence - using reference shade and shade synthesised by addition of primaries combined by signal mark-space ratio adjustment |
Also Published As
Publication number | Publication date |
---|---|
US2453335A (en) | 1948-11-09 |
GB570699A (en) | 1945-07-18 |
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