FR2753594B1 - LINE INTERFACE FAX MACHINE WITH SINGLE SENSOR AND CURRENT SENSOR WITH MAGNETIC DETECTION AND COMPENSATION CIRCUITS - Google Patents

LINE INTERFACE FAX MACHINE WITH SINGLE SENSOR AND CURRENT SENSOR WITH MAGNETIC DETECTION AND COMPENSATION CIRCUITS

Info

Publication number
FR2753594B1
FR2753594B1 FR9611300A FR9611300A FR2753594B1 FR 2753594 B1 FR2753594 B1 FR 2753594B1 FR 9611300 A FR9611300 A FR 9611300A FR 9611300 A FR9611300 A FR 9611300A FR 2753594 B1 FR2753594 B1 FR 2753594B1
Authority
FR
France
Prior art keywords
line interface
magnetic detection
fax machine
compensation circuits
sensor
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
FR9611300A
Other languages
French (fr)
Other versions
FR2753594A1 (en
Inventor
Jean Paul Auffray
Michel Poirier
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.)
Sagem SA
Original Assignee
Sagem 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 Sagem SA filed Critical Sagem SA
Priority to FR9611300A priority Critical patent/FR2753594B1/en
Publication of FR2753594A1 publication Critical patent/FR2753594A1/en
Application granted granted Critical
Publication of FR2753594B1 publication Critical patent/FR2753594B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H04N1/32704—Establishing a communication with one of a facsimile and another telecommunication apparatus sharing a single line
    • H04N1/32715—Detecting
    • H04N1/32717—Detecting a calling tone, e.g. CI
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
    • G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H04N1/32704—Establishing a communication with one of a facsimile and another telecommunication apparatus sharing a single line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H04N1/32704—Establishing a communication with one of a facsimile and another telecommunication apparatus sharing a single line
    • H04N1/32715—Detecting
    • H04N1/3273—Detecting a loop current

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telephonic Communication Services (AREA)
FR9611300A 1996-09-17 1996-09-17 LINE INTERFACE FAX MACHINE WITH SINGLE SENSOR AND CURRENT SENSOR WITH MAGNETIC DETECTION AND COMPENSATION CIRCUITS Expired - Fee Related FR2753594B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9611300A FR2753594B1 (en) 1996-09-17 1996-09-17 LINE INTERFACE FAX MACHINE WITH SINGLE SENSOR AND CURRENT SENSOR WITH MAGNETIC DETECTION AND COMPENSATION CIRCUITS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9611300A FR2753594B1 (en) 1996-09-17 1996-09-17 LINE INTERFACE FAX MACHINE WITH SINGLE SENSOR AND CURRENT SENSOR WITH MAGNETIC DETECTION AND COMPENSATION CIRCUITS

Publications (2)

Publication Number Publication Date
FR2753594A1 FR2753594A1 (en) 1998-03-20
FR2753594B1 true FR2753594B1 (en) 1998-12-11

Family

ID=9495792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9611300A Expired - Fee Related FR2753594B1 (en) 1996-09-17 1996-09-17 LINE INTERFACE FAX MACHINE WITH SINGLE SENSOR AND CURRENT SENSOR WITH MAGNETIC DETECTION AND COMPENSATION CIRCUITS

Country Status (1)

Country Link
FR (1) FR2753594B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2294966B1 (en) * 2007-05-16 2009-02-16 Premo, S.A. "LOW CONSUMPTION CURRENT TRANSDUCER".

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490042A (en) * 1966-12-19 1970-01-13 Gen Electric Direct current measuring reactance arrangement
DK149238C (en) * 1983-09-15 1987-01-19 Danfysik As DETECTOR CIRCUIT FOR USE IN POWER METERING
GB2157918B (en) * 1984-04-09 1987-12-02 Ricoh Kk Call signal detecting device
NL8602145A (en) * 1986-08-22 1988-03-16 Holec Syst & Componenten MEASURING CIRCUIT FOR CONTINUOUS, ACCURATE MEASUREMENT OF DC AND AC CURRENT.

Also Published As

Publication number Publication date
FR2753594A1 (en) 1998-03-20

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060531