FR2801457B1 - VERY LOW CONSUMPTION FSK OR MFSK DIGITAL DEMODULATOR - Google Patents

VERY LOW CONSUMPTION FSK OR MFSK DIGITAL DEMODULATOR

Info

Publication number
FR2801457B1
FR2801457B1 FR9914694A FR9914694A FR2801457B1 FR 2801457 B1 FR2801457 B1 FR 2801457B1 FR 9914694 A FR9914694 A FR 9914694A FR 9914694 A FR9914694 A FR 9914694A FR 2801457 B1 FR2801457 B1 FR 2801457B1
Authority
FR
France
Prior art keywords
mfsk
fsk
low consumption
digital demodulator
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 - Lifetime
Application number
FR9914694A
Other languages
French (fr)
Other versions
FR2801457A1 (en
Inventor
Gildas Touin
Roland Bulteau
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.)
Mors SA
Original Assignee
Mors SA
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 Mors SA filed Critical Mors SA
Priority to FR9914694A priority Critical patent/FR2801457B1/en
Publication of FR2801457A1 publication Critical patent/FR2801457A1/en
Application granted granted Critical
Publication of FR2801457B1 publication Critical patent/FR2801457B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/02—Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1566—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using synchronous sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/28—Systems using multi-frequency codes with simultaneous transmission of different frequencies each representing one code element
FR9914694A 1999-11-22 1999-11-22 VERY LOW CONSUMPTION FSK OR MFSK DIGITAL DEMODULATOR Expired - Lifetime FR2801457B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9914694A FR2801457B1 (en) 1999-11-22 1999-11-22 VERY LOW CONSUMPTION FSK OR MFSK DIGITAL DEMODULATOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9914694A FR2801457B1 (en) 1999-11-22 1999-11-22 VERY LOW CONSUMPTION FSK OR MFSK DIGITAL DEMODULATOR

Publications (2)

Publication Number Publication Date
FR2801457A1 FR2801457A1 (en) 2001-05-25
FR2801457B1 true FR2801457B1 (en) 2002-04-19

Family

ID=9552414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9914694A Expired - Lifetime FR2801457B1 (en) 1999-11-22 1999-11-22 VERY LOW CONSUMPTION FSK OR MFSK DIGITAL DEMODULATOR

Country Status (1)

Country Link
FR (1) FR2801457B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8792305B2 (en) 2007-08-20 2014-07-29 Sonitor Technologies As Ultrasound detectors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251534B (en) * 1988-01-21 1992-09-23 Nobuo Mikoshiba Spread-spectrum communication apparatus
DE3902795A1 (en) * 1989-01-31 1990-08-02 Arno H Dipl Ing Taruttis Method for recovering the data bits from frequency-shift-keyed signals for data transmission
US5533061A (en) * 1994-02-10 1996-07-02 Racom Systems, Inc. Method and apparatus for detecting an FSK encoded carrier signal
US5499270A (en) * 1994-08-01 1996-03-12 Pierre Charrier Spectral encoding-decoding system and method thereof
US5729576A (en) * 1994-12-16 1998-03-17 Hughes Electronics Interference canceling receiver

Also Published As

Publication number Publication date
FR2801457A1 (en) 2001-05-25

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Legal Events

Date Code Title Description
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TP Transmission of property
CD Change of name or company name
GC Lien (pledge) constituted

Effective date: 20140716

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PLFP Fee payment

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GC Lien (pledge) constituted

Effective date: 20200826

RG Lien (pledge) cancelled

Effective date: 20200903