JPS574533A - Detecting method of astigmatism - Google Patents

Detecting method of astigmatism

Info

Publication number
JPS574533A
JPS574533A JP7926080A JP7926080A JPS574533A JP S574533 A JPS574533 A JP S574533A JP 7926080 A JP7926080 A JP 7926080A JP 7926080 A JP7926080 A JP 7926080A JP S574533 A JPS574533 A JP S574533A
Authority
JP
Japan
Prior art keywords
scanning
astigmatism
regions
horizontal scanning
central region
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
JP7926080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6314811B2 (enrdf_load_stackoverflow
Inventor
Takeshi Sato
Shunichi Suzaki
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.)
NICHIDENSHI TEKUNIKUSU KK
NICHIDENSHI TECHNICS KK
Original Assignee
NICHIDENSHI TEKUNIKUSU KK
NICHIDENSHI TECHNICS KK
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 NICHIDENSHI TEKUNIKUSU KK, NICHIDENSHI TECHNICS KK filed Critical NICHIDENSHI TEKUNIKUSU KK
Priority to JP7926080A priority Critical patent/JPS574533A/ja
Publication of JPS574533A publication Critical patent/JPS574533A/ja
Publication of JPS6314811B2 publication Critical patent/JPS6314811B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
JP7926080A 1980-06-12 1980-06-12 Detecting method of astigmatism Granted JPS574533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7926080A JPS574533A (en) 1980-06-12 1980-06-12 Detecting method of astigmatism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7926080A JPS574533A (en) 1980-06-12 1980-06-12 Detecting method of astigmatism

Publications (2)

Publication Number Publication Date
JPS574533A true JPS574533A (en) 1982-01-11
JPS6314811B2 JPS6314811B2 (enrdf_load_stackoverflow) 1988-04-01

Family

ID=13684879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7926080A Granted JPS574533A (en) 1980-06-12 1980-06-12 Detecting method of astigmatism

Country Status (1)

Country Link
JP (1) JPS574533A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5218161A (en) * 1975-08-01 1977-02-10 Hitachi Ltd Sample scan type sample image display unit
JPS5222225A (en) * 1975-08-12 1977-02-19 Honda Motor Co Ltd Front wheel suspension device for car

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5218161A (en) * 1975-08-01 1977-02-10 Hitachi Ltd Sample scan type sample image display unit
JPS5222225A (en) * 1975-08-12 1977-02-19 Honda Motor Co Ltd Front wheel suspension device for car

Also Published As

Publication number Publication date
JPS6314811B2 (enrdf_load_stackoverflow) 1988-04-01

Similar Documents

Publication Publication Date Title
JPS5753809A (en) Waveform shaping circuit of digital signal processor
JPS5218132A (en) Binary circuit
JPS5675780A (en) Video signal processing circuit
JPS55111921A (en) Focus detector of camera
ATE127944T1 (de) In einen integrierten schaltkreis integrierte parametrierbare ausgabeschaltung.
JPS574533A (en) Detecting method of astigmatism
JPS5624825A (en) Analog-digital converting circuit
JPS5441779A (en) Bipolar voltage detection circuit
JPS56169969A (en) Synchronisum separation circuit
JPS6435493A (en) Signal processing circuit
JPS5762466A (en) Original reader
JPS5333154A (en) Developing and cleaning device for copier
JPS5350610A (en) Video signal processing circuit
JPS5765656A (en) Limited view diffraction image device
JPS5674208A (en) Automatic focus adjusting device
JPS56140269A (en) Detecting device for instantaneous interruption
JPS57183184A (en) Synchronous separating circuit
JPS56128068A (en) Removing circuit of removing stain from original surface
JPS56132871A (en) Clamping circuit
JPS56168476A (en) Polarity switching circuit of video signal
JPS5765944A (en) Bipolar signal receiving circuit
JPS53115481A (en) Load control device
JPS564123A (en) Automatic focus controller
JPS6488612A (en) Dc voltage stabilized power source device
JPS55166055A (en) Circuit continuity testing circuit