[go: up one dir, main page]

JPS55110531A - Mechanism for measuring visibility - Google Patents

Mechanism for measuring visibility

Info

Publication number
JPS55110531A
JPS55110531A JP1742479A JP1742479A JPS55110531A JP S55110531 A JPS55110531 A JP S55110531A JP 1742479 A JP1742479 A JP 1742479A JP 1742479 A JP1742479 A JP 1742479A JP S55110531 A JPS55110531 A JP S55110531A
Authority
JP
Japan
Prior art keywords
measuring visibility
visibility
measuring
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.)
Granted
Application number
JP1742479A
Other languages
Japanese (ja)
Other versions
JPS6153053B2 (en
Inventor
Yoshi Kobayakawa
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP1742479A priority Critical patent/JPS55110531A/en
Publication of JPS55110531A publication Critical patent/JPS55110531A/en
Publication of JPS6153053B2 publication Critical patent/JPS6153053B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Eye Examination Apparatus (AREA)
JP1742479A 1979-02-16 1979-02-16 Mechanism for measuring visibility Granted JPS55110531A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1742479A JPS55110531A (en) 1979-02-16 1979-02-16 Mechanism for measuring visibility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1742479A JPS55110531A (en) 1979-02-16 1979-02-16 Mechanism for measuring visibility

Publications (2)

Publication Number Publication Date
JPS55110531A true JPS55110531A (en) 1980-08-26
JPS6153053B2 JPS6153053B2 (en) 1986-11-15

Family

ID=11943624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1742479A Granted JPS55110531A (en) 1979-02-16 1979-02-16 Mechanism for measuring visibility

Country Status (1)

Country Link
JP (1) JPS55110531A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829446A (en) * 1981-08-18 1983-02-21 キヤノン株式会社 Ophthalmic measuring apparatus
JPS5854927A (en) * 1981-09-25 1983-04-01 キヤノン株式会社 Method and apparatus for measuring shape of cornea
JPS59225035A (en) * 1983-06-03 1984-12-18 キヤノン株式会社 Near point measuring apparatus of eye to be examined
JPS6131146A (en) * 1984-07-24 1986-02-13 キヤノン株式会社 Eye refraction meter
JPS63125235A (en) * 1986-11-15 1988-05-28 キヤノン株式会社 Eye refractometer
JPH0197435A (en) * 1987-10-09 1989-04-14 Canon Inc Eye refractometer
US4952049A (en) * 1985-04-12 1990-08-28 Canon Kabushiki Kaisha Apparatus for measuring the refraction of eye
JPH07265267A (en) * 1995-01-30 1995-10-17 Canon Inc Eye measuring device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53111697A (en) * 1977-03-11 1978-09-29 Asahi Optical Co Ltd Optical system of objective automatic ophthalmoscope
JPS5414757A (en) * 1977-07-05 1979-02-03 Humphrey Instruments Inc Lens meter
JPS6151890A (en) * 1984-08-21 1986-03-14 Toshiba Corp Manufacture of buried type semiconductor laser

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53111697A (en) * 1977-03-11 1978-09-29 Asahi Optical Co Ltd Optical system of objective automatic ophthalmoscope
JPS5414757A (en) * 1977-07-05 1979-02-03 Humphrey Instruments Inc Lens meter
JPS6151890A (en) * 1984-08-21 1986-03-14 Toshiba Corp Manufacture of buried type semiconductor laser

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829446A (en) * 1981-08-18 1983-02-21 キヤノン株式会社 Ophthalmic measuring apparatus
JPS6150449B2 (en) * 1981-08-18 1986-11-04 Canon Kk
JPS5854927A (en) * 1981-09-25 1983-04-01 キヤノン株式会社 Method and apparatus for measuring shape of cornea
JPS6150450B2 (en) * 1981-09-25 1986-11-04 Canon Kk
JPS59225035A (en) * 1983-06-03 1984-12-18 キヤノン株式会社 Near point measuring apparatus of eye to be examined
JPS6251616B2 (en) * 1983-06-03 1987-10-30 Canon Kk
JPS6131146A (en) * 1984-07-24 1986-02-13 キヤノン株式会社 Eye refraction meter
US4952049A (en) * 1985-04-12 1990-08-28 Canon Kabushiki Kaisha Apparatus for measuring the refraction of eye
JPS63125235A (en) * 1986-11-15 1988-05-28 キヤノン株式会社 Eye refractometer
JPH069543B2 (en) * 1986-11-15 1994-02-09 キヤノン株式会社 Eye refractometer
JPH0197435A (en) * 1987-10-09 1989-04-14 Canon Inc Eye refractometer
JPH07265267A (en) * 1995-01-30 1995-10-17 Canon Inc Eye measuring device

Also Published As

Publication number Publication date
JPS6153053B2 (en) 1986-11-15

Similar Documents

Publication Publication Date Title
JPS5665276A (en) Position measuring device
JPS5694232A (en) Measurement instrument
JPS55149862A (en) Measuring system
JPS5653407A (en) Indicator
JPS55113924A (en) Measuring probe
JPS55124004A (en) Device for measuring distance change
GB2052748B (en) Measuring bridge
JPS56103798A (en) Measurement instrument
GB2054847B (en) Temperature-history indicator
GB2065299B (en) Object measuring arrangement
JPS5648518A (en) Volume measuring mechanism
JPS55110531A (en) Mechanism for measuring visibility
JPS5692457A (en) Glycosylateddhemoglobin measuring standardd solution
JPS566266A (en) Measuring correcteddvalue
GB2034884B (en) Visibility measuring device
GB2009925B (en) Visibility measuring means
JPS5629285A (en) Indicator
GB2039373B (en) Measuring forces
JPS55154477A (en) Indicator
GB2059216B (en) Position measuring
JPS5682998A (en) Indicator for vendor
JPS5645549A (en) Moduleedevice frame for vacuummfluorescent indicator
JPS55138195A (en) Measuring system
JPS5680798A (en) Selection measurement unit
JPS5611483A (en) Indicator