DE69217860D1 - Digitale Modulator- oder Demodulatorschaltung - Google Patents

Digitale Modulator- oder Demodulatorschaltung

Info

Publication number
DE69217860D1
DE69217860D1 DE69217860T DE69217860T DE69217860D1 DE 69217860 D1 DE69217860 D1 DE 69217860D1 DE 69217860 T DE69217860 T DE 69217860T DE 69217860 T DE69217860 T DE 69217860T DE 69217860 D1 DE69217860 D1 DE 69217860D1
Authority
DE
Germany
Prior art keywords
demodulator circuit
digital modulator
modulator
digital
demodulator
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 - Fee Related
Application number
DE69217860T
Other languages
English (en)
Other versions
DE69217860T2 (de
Inventor
Yoshiharu Kobayashi
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
Priority claimed from JP3323561A external-priority patent/JP3011509B2/ja
Priority claimed from JP4034658A external-priority patent/JP3008637B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69217860D1 publication Critical patent/DE69217860D1/de
Publication of DE69217860T2 publication Critical patent/DE69217860T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • H03M5/145—Conversion to or from block codes or representations thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69217860T 1991-12-09 1992-12-08 Digitale Modulator- oder Demodulatorschaltung Expired - Fee Related DE69217860T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3323561A JP3011509B2 (ja) 1991-12-09 1991-12-09 ディジタル変調回路
JP4034658A JP3008637B2 (ja) 1992-02-21 1992-02-21 ディジタル復調回路

Publications (2)

Publication Number Publication Date
DE69217860D1 true DE69217860D1 (de) 1997-04-10
DE69217860T2 DE69217860T2 (de) 1997-10-16

Family

ID=26373489

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69217860T Expired - Fee Related DE69217860T2 (de) 1991-12-09 1992-12-08 Digitale Modulator- oder Demodulatorschaltung

Country Status (3)

Country Link
US (1) US5422641A (de)
EP (1) EP0546795B1 (de)
DE (1) DE69217860T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550542A (en) * 1994-05-04 1996-08-27 Matsushita Electric Corporation Of America Variable length code look-up table having separate code length determination
WO2018230348A1 (ja) * 2017-06-14 2018-12-20 ソニーセミコンダクタソリューションズ株式会社 復調装置、処理装置、受信装置、及びデータ処理方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2508706C2 (de) * 1974-05-02 1984-10-11 International Business Machines Corp., Armonk, N.Y. Schaltungsanordnung zur Codierung von Datenbitfolgen
SE418997B (sv) * 1978-06-26 1981-07-06 Asea Ab Fiberoptisk temeraturgivare baserad pa metning av den temperaturberoende, spektrala absorptionsformagan hos ett material
US4337458A (en) * 1980-02-19 1982-06-29 Sperry Corporation Data encoding method and system employing two-thirds code rate with full word look-ahead
US4463344A (en) * 1981-12-31 1984-07-31 International Business Machines Corporation Method and apparatus for generating a noiseless sliding block code for a (2,7) channel with rate 1/2
US4568916A (en) * 1983-11-14 1986-02-04 Bahgat Osama A E H Variable word length encoder
JPH0656958B2 (ja) * 1986-07-03 1994-07-27 キヤノン株式会社 情報デ−タ復元装置
JPH01286626A (ja) * 1988-01-18 1989-11-17 Hitachi Ltd データ符号化方式
US4914675A (en) * 1988-01-28 1990-04-03 General Electric Company Apparatus for efficiently packing data in a buffer
US4985700A (en) * 1988-03-01 1991-01-15 Canon Kabushiki Kaisha Variable-length coding/decoding device
US4988999A (en) * 1989-04-12 1991-01-29 Nippon Hoso Kyokai Digital modulation method
JPH03106127A (ja) * 1989-09-20 1991-05-02 Fujitsu Ltd 可変長符号化回路
US5173694A (en) * 1990-10-29 1992-12-22 International Business Machines Corporation Binary data encoding and decoding using a rate 2/5 (2,18,2) code
US5233348A (en) * 1992-03-26 1993-08-03 General Instrument Corporation Variable length code word decoder for use in digital communication systems

Also Published As

Publication number Publication date
EP0546795A1 (de) 1993-06-16
DE69217860T2 (de) 1997-10-16
US5422641A (en) 1995-06-06
EP0546795B1 (de) 1997-03-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee