DE69841441D1 - FM-Modulator - Google Patents

FM-Modulator

Info

Publication number
DE69841441D1
DE69841441D1 DE69841441T DE69841441T DE69841441D1 DE 69841441 D1 DE69841441 D1 DE 69841441D1 DE 69841441 T DE69841441 T DE 69841441T DE 69841441 T DE69841441 T DE 69841441T DE 69841441 D1 DE69841441 D1 DE 69841441D1
Authority
DE
Germany
Prior art keywords
modulator
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 - Lifetime
Application number
DE69841441T
Other languages
English (en)
Inventor
Masaru Fuse
Satoshi Furusawa
Kuniaki Utsumi
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 Corp
Original Assignee
Panasonic 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16941540&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69841441(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of DE69841441D1 publication Critical patent/DE69841441D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
DE69841441T 1997-08-28 1998-08-27 FM-Modulator Expired - Lifetime DE69841441D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9232577A JPH1174847A (ja) 1997-08-28 1997-08-28 Ｆｍ変調装置

Publications (1)

Publication Number Publication Date
DE69841441D1 true DE69841441D1 (de) 2010-02-25

Family

ID=16941540

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69832560T Expired - Lifetime DE69832560T2 (de) 1997-08-28 1998-08-27 FM-Modulator
DE69841441T Expired - Lifetime DE69841441D1 (de) 1997-08-28 1998-08-27 FM-Modulator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69832560T Expired - Lifetime DE69832560T2 (de) 1997-08-28 1998-08-27 FM-Modulator

Country Status (4)

Country Link
US (3) US6512621B1 (de)
EP (2) EP0899867B1 (de)
JP (1) JPH1174847A (de)
DE (2) DE69832560T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1174847A (ja) * 1997-08-28 1999-03-16 Matsushita Electric Ind Co Ltd Ｆｍ変調装置
JPH11261494A (ja) * 1998-03-09 1999-09-24 Fujitsu Ltd 光ヘテロダイン型ｆｍ変調器
US6643470B1 (en) * 1999-10-01 2003-11-04 Matsushita Electric Industrial Co., Ltd. FM signal converter, FM signal optical transmitter and FM signal optical receiver
US6941078B1 (en) * 2001-05-10 2005-09-06 Fujitsu Limited Method and system for communicating a clock signal over an optical link
US6826207B2 (en) 2001-12-17 2004-11-30 Peleton Photonic Systems Inc. Multi-wavelength laser source based on two optical laser beat signal and method
US7295584B2 (en) 2001-12-17 2007-11-13 Peleton Photonic Systems System and method for generating multi-wavelength laser source using highly nonlinear fiber
GB2415309A (en) * 2004-06-18 2005-12-21 Univ Kent Canterbury Electro-magnetic terahertz transmission/reception system
JP3955292B2 (ja) 2004-07-30 2007-08-08 松下電器産業株式会社 Ｆｍ変調器
KR100640006B1 (ko) * 2005-10-14 2006-11-01 한국전자통신연구원 광학적 클럭 신호 추출 장치 및 방법
JP4828447B2 (ja) * 2007-02-08 2011-11-30 日本電信電話株式会社 周波数変調器
JP2010062619A (ja) * 2008-09-01 2010-03-18 Nippon Telegr & Teleph Corp <Ntt> 周波数変調信号発生方法及び発生装置
JPWO2022172381A1 (de) * 2021-02-10 2022-08-18

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0239131A (ja) 1988-07-29 1990-02-08 Hitachi Ltd 周波数間隔安定化方法、光ヘテロダイン又は光ホモダイン通信方法
US5252930A (en) * 1989-09-07 1993-10-12 Ortel Corporation Predistorter for linearization of electronic and optical signals
JPH03209927A (ja) * 1990-01-12 1991-09-12 Fujitsu Ltd ヘテロダイン送信機
JPH047882A (ja) * 1990-04-25 1992-01-13 Mitsubishi Electric Corp 半導体レーザ装置
US5212579A (en) 1991-03-11 1993-05-18 General Instrument Corporation Method and apparatus for communicating amplitude modulated signals over an optical communication path
JPH04346525A (ja) 1991-05-24 1992-12-02 Matsushita Electric Ind Co Ltd コヒーレント光伝送装置
GB2264834A (en) 1992-02-25 1993-09-08 Northern Telecom Ltd Optical transmission system
US5396216A (en) * 1993-07-28 1995-03-07 Morgan; Lonnie Vehicle theft deterrent system including hood locking means
US5523158A (en) * 1994-07-29 1996-06-04 Saint Gobain/Norton Industrial Ceramics Corp. Brazing of diamond film to tungsten carbide
US5526158A (en) 1994-12-22 1996-06-11 Trw Inc. Low-bias heterodyne fiber-optic communication link
JPH0946300A (ja) 1995-07-28 1997-02-14 Furukawa Electric Co Ltd:The 光通信方法
US5699179A (en) 1996-02-23 1997-12-16 General Instrument Corporation Of Delaware Cancellation of distortion components in a fiber optic link with feed-forward linearization
EP0800315B1 (de) 1996-04-05 2002-11-06 Nippon Telegraph And Telephone Corporation AM/FM Umsetzer und Lichtwellensignalübertragungssystem
JPH1056424A (ja) 1996-08-13 1998-02-24 Matsushita Electric Ind Co Ltd 広帯域ｆｍ変調装置
JP3482088B2 (ja) * 1996-12-05 2003-12-22 松下電器産業株式会社 周波数変調装置
JP3444519B2 (ja) * 1997-05-19 2003-09-08 松下電器産業株式会社 Ｆｍ変調装置
JPH1174847A (ja) * 1997-08-28 1999-03-16 Matsushita Electric Ind Co Ltd Ｆｍ変調装置
JP3097618B2 (ja) 1997-09-30 2000-10-10 日本電気株式会社 Ｆｍ変調器
US6542621B1 (en) * 1998-08-31 2003-04-01 Texas Instruments Incorporated Method of dealing with occlusion when tracking multiple objects and people in video sequences

Also Published As

Publication number Publication date
EP1615334A2 (de) 2006-01-11
JPH1174847A (ja) 1999-03-16
EP1615334A3 (de) 2009-02-25
US6512621B1 (en) 2003-01-28
US6687465B2 (en) 2004-02-03
EP0899867A3 (de) 1999-12-08
EP0899867A2 (de) 1999-03-03
EP0899867B1 (de) 2005-11-30
EP1615334B1 (de) 2010-01-06
US6909855B2 (en) 2005-06-21
US20030067661A1 (en) 2003-04-10
DE69832560D1 (de) 2006-01-05
US20040126121A1 (en) 2004-07-01
DE69832560T2 (de) 2006-08-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition