FR2664776B1 - MODULATOR - DEMODULATOR POWERED BY THE TELEPHONE LINE. - Google Patents

MODULATOR - DEMODULATOR POWERED BY THE TELEPHONE LINE.

Info

Publication number
FR2664776B1
FR2664776B1 FR9008992A FR9008992A FR2664776B1 FR 2664776 B1 FR2664776 B1 FR 2664776B1 FR 9008992 A FR9008992 A FR 9008992A FR 9008992 A FR9008992 A FR 9008992A FR 2664776 B1 FR2664776 B1 FR 2664776B1
Authority
FR
France
Prior art keywords
demodulator
modulator
powered
telephone line
telephone
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
FR9008992A
Other languages
French (fr)
Other versions
FR2664776A1 (en
Inventor
Sarl Digitelec Informatique
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.)
DIGITELEC INF SARL
Original Assignee
DIGITELEC INF SARL
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 DIGITELEC INF SARL filed Critical DIGITELEC INF SARL
Priority to FR9008992A priority Critical patent/FR2664776B1/en
Publication of FR2664776A1 publication Critical patent/FR2664776A1/en
Application granted granted Critical
Publication of FR2664776B1 publication Critical patent/FR2664776B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
FR9008992A 1990-07-10 1990-07-10 MODULATOR - DEMODULATOR POWERED BY THE TELEPHONE LINE. Expired - Fee Related FR2664776B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9008992A FR2664776B1 (en) 1990-07-10 1990-07-10 MODULATOR - DEMODULATOR POWERED BY THE TELEPHONE LINE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9008992A FR2664776B1 (en) 1990-07-10 1990-07-10 MODULATOR - DEMODULATOR POWERED BY THE TELEPHONE LINE.

Publications (2)

Publication Number Publication Date
FR2664776A1 FR2664776A1 (en) 1992-01-17
FR2664776B1 true FR2664776B1 (en) 1993-09-10

Family

ID=9398715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9008992A Expired - Fee Related FR2664776B1 (en) 1990-07-10 1990-07-10 MODULATOR - DEMODULATOR POWERED BY THE TELEPHONE LINE.

Country Status (1)

Country Link
FR (1) FR2664776B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2799096B1 (en) * 1999-09-23 2002-01-04 Grizzli Systems PROTOCLE CONVERTER FOR SELF-SUPPLIED HOUSING SERVICES

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6234380A (en) * 1979-09-28 1981-04-02 Hatfield Industries Ltd. Telephone system subscriber battery charging
US4779007A (en) * 1987-02-13 1988-10-18 Unison Technologies, Inc. Uninterrupted power supply system
JPH0264261U (en) * 1988-11-04 1990-05-15
FR2641138B1 (en) * 1988-12-26 1992-04-24 Cit Alcatel

Also Published As

Publication number Publication date
FR2664776A1 (en) 1992-01-17

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060331