FR2138470A1 - - Google Patents

Info

Publication number
FR2138470A1
FR2138470A1 FR7119158A FR7119158A FR2138470A1 FR 2138470 A1 FR2138470 A1 FR 2138470A1 FR 7119158 A FR7119158 A FR 7119158A FR 7119158 A FR7119158 A FR 7119158A FR 2138470 A1 FR2138470 A1 FR 2138470A1
Authority
FR
France
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
FR7119158A
Other versions
FR2138470B1 (fr
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR7119158A priority Critical patent/FR2138470B1/fr
Priority to BE783786A priority patent/BE783786A/fr
Priority to GB2462572A priority patent/GB1347808A/en
Priority to DE19722225508 priority patent/DE2225508A1/de
Publication of FR2138470A1 publication Critical patent/FR2138470A1/fr
Application granted granted Critical
Publication of FR2138470B1 publication Critical patent/FR2138470B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/48—Transceivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
FR7119158A 1971-05-26 1971-05-26 Expired FR2138470B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7119158A FR2138470B1 (fr) 1971-05-26 1971-05-26
BE783786A BE783786A (fr) 1971-05-26 1972-05-23 Emetteur-recepteur portatif
GB2462572A GB1347808A (en) 1971-05-26 1972-05-25 Portable transmitter receiver
DE19722225508 DE2225508A1 (de) 1971-05-26 1972-05-25 Tragbarer Sender-Empfänger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7119158A FR2138470B1 (fr) 1971-05-26 1971-05-26

Publications (2)

Publication Number Publication Date
FR2138470A1 true FR2138470A1 (fr) 1973-01-05
FR2138470B1 FR2138470B1 (fr) 1975-07-04

Family

ID=9077682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7119158A Expired FR2138470B1 (fr) 1971-05-26 1971-05-26

Country Status (4)

Country Link
BE (1) BE783786A (fr)
DE (1) DE2225508A1 (fr)
FR (1) FR2138470B1 (fr)
GB (1) GB1347808A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0281470A1 (fr) * 1987-03-02 1988-09-07 Telemecanique Dispositif inductif d'échange rapide de données entre deux supports

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4143548C2 (de) * 1990-10-29 1999-12-09 Bio Medic Data Systems Inc Antenne
DE10304479B3 (de) 2003-02-04 2004-07-22 Siemens Audiologische Technik Gmbh Vorrichtung zum Senden und Empfangen von Daten für Fernbedienungen von Hörgeräten

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH337884A (de) * 1955-09-19 1959-04-30 Herbert Dipl Ing Baumer Verfahren zur Signalübermittlung mittels Trägerschwingungen
GB1060860A (en) * 1962-12-31 1967-03-08 Raytheon Co Communication apparatus
FR1506266A (fr) * 1964-06-11 1967-12-22 Res And Production Ltd Système de communication par ligne

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH337884A (de) * 1955-09-19 1959-04-30 Herbert Dipl Ing Baumer Verfahren zur Signalübermittlung mittels Trägerschwingungen
GB1060860A (en) * 1962-12-31 1967-03-08 Raytheon Co Communication apparatus
FR1506266A (fr) * 1964-06-11 1967-12-22 Res And Production Ltd Système de communication par ligne

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0281470A1 (fr) * 1987-03-02 1988-09-07 Telemecanique Dispositif inductif d'échange rapide de données entre deux supports
FR2612026A1 (fr) * 1987-03-02 1988-09-09 Telemecanique Electrique Dispositif inductif d'echange rapide de donnees entre deux supports

Also Published As

Publication number Publication date
DE2225508A1 (de) 1972-12-07
FR2138470B1 (fr) 1975-07-04
BE783786A (fr) 1972-09-18
GB1347808A (en) 1974-02-27

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Legal Events

Date Code Title Description
CL Concession to grant licences
CL Concession to grant licences
ST Notification of lapse