JPS51127746A - Optical filter - Google Patents

Optical filter

Info

Publication number
JPS51127746A
JPS51127746A JP50052414A JP5241475A JPS51127746A JP S51127746 A JPS51127746 A JP S51127746A JP 50052414 A JP50052414 A JP 50052414A JP 5241475 A JP5241475 A JP 5241475A JP S51127746 A JPS51127746 A JP S51127746A
Authority
JP
Japan
Prior art keywords
optical filter
trap point
response
frequency characteristics
sufficiently smaller
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
JP50052414A
Other languages
Japanese (ja)
Other versions
JPS5850336B2 (en
Inventor
Seisuke Yamanaka
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP50052414A priority Critical patent/JPS5850336B2/en
Publication of JPS51127746A publication Critical patent/JPS51127746A/en
Publication of JPS5850336B2 publication Critical patent/JPS5850336B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To provide optical filter which has frequency characteristics that the response after the first trap point is sufficiently smaller than that before the said trap point.
COPYRIGHT: (C)1976,JPO&Japio
JP50052414A 1975-04-29 1975-04-29 optical low pass filter Expired JPS5850336B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50052414A JPS5850336B2 (en) 1975-04-29 1975-04-29 optical low pass filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50052414A JPS5850336B2 (en) 1975-04-29 1975-04-29 optical low pass filter

Publications (2)

Publication Number Publication Date
JPS51127746A true JPS51127746A (en) 1976-11-08
JPS5850336B2 JPS5850336B2 (en) 1983-11-10

Family

ID=12914120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50052414A Expired JPS5850336B2 (en) 1975-04-29 1975-04-29 optical low pass filter

Country Status (1)

Country Link
JP (1) JPS5850336B2 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100802A (en) * 1981-12-11 1983-06-15 Hitachi Ltd Solid-state image pickup device
JPS5975222A (en) * 1982-10-22 1984-04-27 Victor Co Of Japan Ltd Optical filter
JPS5979220A (en) * 1982-10-29 1984-05-08 Toyo Commun Equip Co Ltd Optical isolator using superposed phase plate
JPS60242420A (en) * 1984-05-17 1985-12-02 Toshiba Corp Spatial frequency filter
JPS6177821A (en) * 1984-09-26 1986-04-21 Sony Corp Optical low-pass filter
JPS61253990A (en) * 1985-05-02 1986-11-11 Victor Co Of Japan Ltd Optical filter
JPS62258580A (en) * 1985-11-25 1987-11-11 Victor Co Of Japan Ltd Optical filter
US4807981A (en) * 1984-04-28 1989-02-28 Kabushiki Kaisha Toshiba Spatial frequency filter
US5715085A (en) * 1989-07-10 1998-02-03 Fuji Photo Film Co., Ltd. Optical filter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284503U (en) * 1985-11-18 1987-05-29

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438692A (en) * 1965-03-08 1969-04-15 Bell Telephone Labor Inc Birefringent device for forming multiple images
JPS4718689U (en) * 1971-04-03 1972-11-01

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438692A (en) * 1965-03-08 1969-04-15 Bell Telephone Labor Inc Birefringent device for forming multiple images
JPS4718689U (en) * 1971-04-03 1972-11-01

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100802A (en) * 1981-12-11 1983-06-15 Hitachi Ltd Solid-state image pickup device
JPS5975222A (en) * 1982-10-22 1984-04-27 Victor Co Of Japan Ltd Optical filter
JPS6257013B2 (en) * 1982-10-22 1987-11-28 Victor Company Of Japan
JPS5979220A (en) * 1982-10-29 1984-05-08 Toyo Commun Equip Co Ltd Optical isolator using superposed phase plate
US4807981A (en) * 1984-04-28 1989-02-28 Kabushiki Kaisha Toshiba Spatial frequency filter
JPS60242420A (en) * 1984-05-17 1985-12-02 Toshiba Corp Spatial frequency filter
JPS6177821A (en) * 1984-09-26 1986-04-21 Sony Corp Optical low-pass filter
JPS61253990A (en) * 1985-05-02 1986-11-11 Victor Co Of Japan Ltd Optical filter
JPS62258580A (en) * 1985-11-25 1987-11-11 Victor Co Of Japan Ltd Optical filter
US5715085A (en) * 1989-07-10 1998-02-03 Fuji Photo Film Co., Ltd. Optical filter

Also Published As

Publication number Publication date
JPS5850336B2 (en) 1983-11-10

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