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JPS5296041A - Multi-focal lens - Google Patents

Multi-focal lens

Info

Publication number
JPS5296041A
JPS5296041A JP1297276A JP1297276A JPS5296041A JP S5296041 A JPS5296041 A JP S5296041A JP 1297276 A JP1297276 A JP 1297276A JP 1297276 A JP1297276 A JP 1297276A JP S5296041 A JPS5296041 A JP S5296041A
Authority
JP
Japan
Prior art keywords
focal lens
molding method
center
procue
gyometrical
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.)
Pending
Application number
JP1297276A
Other languages
Japanese (ja)
Inventor
Masaru Egawa
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha 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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP1297276A priority Critical patent/JPS5296041A/en
Publication of JPS5296041A publication Critical patent/JPS5296041A/en
Pending legal-status Critical Current

Links

Landscapes

  • Eyeglasses (AREA)

Abstract

PURPOSE: To procue a multi-focal lens which is made of a transparent synthetic resin by the molding method or the injection molding method without requiring any polishing process in a manner to ensure coincidence between the optical center and the gyometrical center.
COPYRIGHT: (C)1977,JPO&Japio
JP1297276A 1976-02-09 1976-02-09 Multi-focal lens Pending JPS5296041A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1297276A JPS5296041A (en) 1976-02-09 1976-02-09 Multi-focal lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1297276A JPS5296041A (en) 1976-02-09 1976-02-09 Multi-focal lens

Publications (1)

Publication Number Publication Date
JPS5296041A true JPS5296041A (en) 1977-08-12

Family

ID=11820132

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1297276A Pending JPS5296041A (en) 1976-02-09 1976-02-09 Multi-focal lens

Country Status (1)

Country Link
JP (1) JPS5296041A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10481867B2 (en) 2016-10-07 2019-11-19 Samsung Electronics Co., Ltd. Data input/output unit, electronic apparatus, and control methods thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10481867B2 (en) 2016-10-07 2019-11-19 Samsung Electronics Co., Ltd. Data input/output unit, electronic apparatus, and control methods thereof

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