IT7949977A0 - NON-MUCIAL OPTICAL DEVICE - Google Patents

NON-MUCIAL OPTICAL DEVICE

Info

Publication number: IT7949977A0
Authority: IT; Italy
Prior art keywords: mucial; optical device; optical; mucial optical
Prior art date: 1978-11-17

Application number

IT7949977A

Other languages

Italian (it)

Other versions

IT1209904B (en

Original Assignee

Nippon Telegraph & Telephone

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.)

1978-11-17

Filing date

1979-08-07

Publication date

1979-08-07

1978-11-17 Priority claimed from JP53141862A external-priority patent/JPS597364B2/en

1978-12-26 Priority claimed from JP16297678A external-priority patent/JPS5588018A/en

1979-02-26 Priority claimed from JP2167879A external-priority patent/JPS55113020A/en

1979-08-07 Application filed by Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone

1979-08-07 Publication of IT7949977A0 publication Critical patent/IT7949977A0/en

1989-08-30 Application granted granted Critical

1989-08-30 Publication of IT1209904B publication Critical patent/IT1209904B/en

Links

230000003287 optical effect Effects 0.000 title 1

IT4997779A 1978-11-17 1979-08-07 Non-reciprocal optical coupling for optical fibres - has anisotropic crystal elements between focussing and transmitting unit and second fibre (NL 6.2.80) IT1209904B (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP53141862A JPS597364B2 (en)	1978-11-17	1978-11-17	Optical non-reciprocal circuit
JP16297678A JPS5588018A (en)	1978-12-26	1978-12-26	Photo nonreciprocal circuit
JP2167879A JPS55113020A (en)	1979-02-26	1979-02-26	Light isolator

Publications (2)

Publication Number	Publication Date
IT7949977A0 true IT7949977A0 (en)	1979-08-07
IT1209904B IT1209904B (en)	1989-08-30

Family

ID=27283516

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT4997779A IT1209904B (en)	1978-11-17	1979-08-07	Non-reciprocal optical coupling for optical fibres - has anisotropic crystal elements between focussing and transmitting unit and second fibre (NL 6.2.80)

Country Status (1)

Country	Link
IT (1)	IT1209904B (en)

1979
- 1979-08-07 IT IT4997779A patent/IT1209904B/en active

Also Published As

Publication number	Publication date
IT1209904B (en)	1989-08-30

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Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19960829