TW367668B - Modulation and demodulation IC for IrDA - Google Patents

Modulation and demodulation IC for IrDA

Info

Publication number
TW367668B
TW367668B TW087103882A TW87103882A TW367668B TW 367668 B TW367668 B TW 367668B TW 087103882 A TW087103882 A TW 087103882A TW 87103882 A TW87103882 A TW 87103882A TW 367668 B TW367668 B TW 367668B
Authority
TW
Taiwan
Prior art keywords
irda
demodulation
modulation
clock
reduce
Prior art date
Application number
TW087103882A
Other languages
English (en)
Inventor
Takayuki Nakashima
Original Assignee
Rohm 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Application granted granted Critical
Publication of TW367668B publication Critical patent/TW367668B/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114Indoor or close-range type systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725Cordless telephones
    • H04M1/72502Cordless telephones with one base station connected to a single line
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725Cordless telephones
    • H04M1/737Characterised by transmission of electromagnetic waves other than radio waves, e.g. infrared waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transceivers (AREA)
  • Telephone Function (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Optical Communication System (AREA)
  • Superheterodyne Receivers (AREA)
TW087103882A 1997-03-28 1998-03-17 Modulation and demodulation IC for IrDA TW367668B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07782497A JP3830225B2 (ja) 1997-03-28 1997-03-28 IrDA変復調IC

Publications (1)

Publication Number Publication Date
TW367668B true TW367668B (en) 1999-08-21

Family

ID=13644800

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087103882A TW367668B (en) 1997-03-28 1998-03-17 Modulation and demodulation IC for IrDA

Country Status (7)

Country Link
US (1) US6526270B1 (zh)
EP (1) EP0971491A4 (zh)
JP (1) JP3830225B2 (zh)
KR (1) KR100569422B1 (zh)
CN (1) CN1140071C (zh)
TW (1) TW367668B (zh)
WO (1) WO1998044659A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3687947B2 (ja) * 1999-03-17 2005-08-24 シャープ株式会社 赤外線通信装置および通信方法、並びに情報機器装置
DE19954696A1 (de) * 1999-11-13 2001-05-17 Philips Corp Intellectual Pty Telekommunikationsgerät mit einer Taktgenerierungseinheit
JP3582460B2 (ja) * 2000-06-20 2004-10-27 株式会社村田製作所 高周波モジュール
US8385476B2 (en) 2001-04-25 2013-02-26 Texas Instruments Incorporated Digital phase locked loop
JP2003018030A (ja) * 2001-06-29 2003-01-17 Niigata Seimitsu Kk 受信機
CN100479852C (zh) * 2004-12-07 2009-04-22 李天华 一种治疗艾滋病的中药胶囊及其制备工艺
WO2007086043A1 (en) * 2006-01-26 2007-08-02 Infra-Com Ltd. Low jitter clock recovery from a digital baseband data signal transmitted over a wireless medium
US9768886B2 (en) * 2014-02-13 2017-09-19 Mitsubishi Electric Corporation Optical receiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5039194A (en) * 1990-01-09 1991-08-13 International Business Machines Corporation Optical fiber link card
JPH0677823A (ja) 1992-08-24 1994-03-18 Oki Electric Ind Co Ltd 周波数シンセサイザ
EP0688446A1 (en) * 1993-03-10 1995-12-27 National Semiconductor Corporation Radio frequency telecommunications transceiver
US5442670A (en) * 1994-02-16 1995-08-15 National Semiconductor Corporation Circuit for dividing clock frequency by N.5 where N is an integer
US5557634A (en) 1994-10-14 1996-09-17 International Business Machines Corporation Multiprotocol directed infrared communication controller

Also Published As

Publication number Publication date
WO1998044659A1 (fr) 1998-10-08
EP0971491A4 (en) 2002-04-10
JPH10276136A (ja) 1998-10-13
CN1140071C (zh) 2004-02-25
US6526270B1 (en) 2003-02-25
EP0971491A1 (en) 2000-01-12
KR100569422B1 (ko) 2006-04-07
JP3830225B2 (ja) 2006-10-04
CN1251708A (zh) 2000-04-26
KR20010005757A (ko) 2001-01-15

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees