JPH0157329B2 - - Google Patents

Info

Publication number
JPH0157329B2
JPH0157329B2 JP4060279A JP4060279A JPH0157329B2 JP H0157329 B2 JPH0157329 B2 JP H0157329B2 JP 4060279 A JP4060279 A JP 4060279A JP 4060279 A JP4060279 A JP 4060279A JP H0157329 B2 JPH0157329 B2 JP H0157329B2
Authority
JP
Japan
Prior art keywords
voltage
high level
bias voltage
low level
input
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.)
Expired
Application number
JP4060279A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55133017A (en
Inventor
Akira Ichinose
Shunji Kanamaru
Hideo Okamura
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP4060279A priority Critical patent/JPS55133017A/ja
Publication of JPS55133017A publication Critical patent/JPS55133017A/ja
Publication of JPH0157329B2 publication Critical patent/JPH0157329B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
JP4060279A 1979-04-03 1979-04-03 Light power control unit Granted JPS55133017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4060279A JPS55133017A (en) 1979-04-03 1979-04-03 Light power control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4060279A JPS55133017A (en) 1979-04-03 1979-04-03 Light power control unit

Publications (2)

Publication Number Publication Date
JPS55133017A JPS55133017A (en) 1980-10-16
JPH0157329B2 true JPH0157329B2 (enrdf_load_html_response) 1989-12-05

Family

ID=12585056

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4060279A Granted JPS55133017A (en) 1979-04-03 1979-04-03 Light power control unit

Country Status (1)

Country Link
JP (1) JPS55133017A (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61277919A (ja) * 1985-05-31 1986-12-08 Canon Inc 焦点距離可変レンズ
US5003624A (en) * 1990-03-29 1991-03-26 Hughes Aircraft Company Automatic bias controller for electro-optic modulator
JP2697639B2 (ja) * 1994-11-04 1998-01-14 日本電気株式会社 光変調装置
EP1380874A1 (en) * 2002-07-11 2004-01-14 Agilent Technologies, Inc. - a Delaware corporation - Control loop apparatus and method therefor

Also Published As

Publication number Publication date
JPS55133017A (en) 1980-10-16

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