FR2487610A1 - Dispositif de detection de non-raccrochage d'un poste telephonique - Google Patents

Dispositif de detection de non-raccrochage d'un poste telephonique Download PDF

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Publication number
FR2487610A1
FR2487610A1 FR8016111A FR8016111A FR2487610A1 FR 2487610 A1 FR2487610 A1 FR 2487610A1 FR 8016111 A FR8016111 A FR 8016111A FR 8016111 A FR8016111 A FR 8016111A FR 2487610 A1 FR2487610 A1 FR 2487610A1
Authority
FR
France
Prior art keywords
telephone
switch
terminal
handset
magnetic field
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.)
Granted
Application number
FR8016111A
Other languages
English (en)
French (fr)
Other versions
FR2487610B1 (Direct
Inventor
Louis Courdier
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.)
ALE International SAS
Original Assignee
La Telephone Industrielle et Commerciale Telic Alcatel 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 La Telephone Industrielle et Commerciale Telic Alcatel SA filed Critical La Telephone Industrielle et Commerciale Telic Alcatel SA
Priority to FR8016111A priority Critical patent/FR2487610A1/fr
Publication of FR2487610A1 publication Critical patent/FR2487610A1/fr
Application granted granted Critical
Publication of FR2487610B1 publication Critical patent/FR2487610B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/066—Telephone sets adapted for data transmision

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
FR8016111A 1980-07-26 1980-07-26 Dispositif de detection de non-raccrochage d'un poste telephonique Granted FR2487610A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8016111A FR2487610A1 (fr) 1980-07-26 1980-07-26 Dispositif de detection de non-raccrochage d'un poste telephonique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8016111A FR2487610A1 (fr) 1980-07-26 1980-07-26 Dispositif de detection de non-raccrochage d'un poste telephonique

Publications (2)

Publication Number Publication Date
FR2487610A1 true FR2487610A1 (fr) 1982-01-29
FR2487610B1 FR2487610B1 (Direct) 1982-10-01

Family

ID=9244386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8016111A Granted FR2487610A1 (fr) 1980-07-26 1980-07-26 Dispositif de detection de non-raccrochage d'un poste telephonique

Country Status (1)

Country Link
FR (1) FR2487610A1 (Direct)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5086452A (en) * 1988-06-13 1992-02-04 Kabushiki Kaisha Toshiba Radio telephone system and its control method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6560461B1 (en) 1997-08-04 2003-05-06 Mundi Fomukong Authorized location reporting paging system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814837B1 (de) * 1978-04-06 1979-05-17 Standard Elek K Lorenz Ag Datenmodem,insbesondere fuer Bildschirmtextbetrieb
DE2826323B1 (de) * 1978-06-15 1979-07-19 Siemens Ag Schaltungsanordnung zum UEbertragen von Signalen zwischen einer Datenuebertragungseinheit und einem Datenendgeraet
JPS54149404A (en) * 1978-05-15 1979-11-22 Chiyoujirou Yamada Home telephone

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814837B1 (de) * 1978-04-06 1979-05-17 Standard Elek K Lorenz Ag Datenmodem,insbesondere fuer Bildschirmtextbetrieb
JPS54149404A (en) * 1978-05-15 1979-11-22 Chiyoujirou Yamada Home telephone
DE2826323B1 (de) * 1978-06-15 1979-07-19 Siemens Ag Schaltungsanordnung zum UEbertragen von Signalen zwischen einer Datenuebertragungseinheit und einem Datenendgeraet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ABJP/78 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5086452A (en) * 1988-06-13 1992-02-04 Kabushiki Kaisha Toshiba Radio telephone system and its control method

Also Published As

Publication number Publication date
FR2487610B1 (Direct) 1982-10-01

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ST Notification of lapse