DE2225508A1 - Tragbarer Sender-Empfänger - Google Patents

Tragbarer Sender-Empfänger

Info

Publication number
DE2225508A1
DE2225508A1 DE19722225508 DE2225508A DE2225508A1 DE 2225508 A1 DE2225508 A1 DE 2225508A1 DE 19722225508 DE19722225508 DE 19722225508 DE 2225508 A DE2225508 A DE 2225508A DE 2225508 A1 DE2225508 A1 DE 2225508A1
Authority
DE
Germany
Prior art keywords
frequency
receiving
receiving part
transmitting
circuit
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.)
Pending
Application number
DE19722225508
Other languages
German (de)
English (en)
Inventor
Auf Nichtnennung Antrag
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
Publication of DE2225508A1 publication Critical patent/DE2225508A1/de
Pending 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
DE19722225508 1971-05-26 1972-05-25 Tragbarer Sender-Empfänger Pending DE2225508A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2225508A1 true DE2225508A1 (de) 1972-12-07

Family

ID=9077682

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722225508 Pending DE2225508A1 (de) 1971-05-26 1972-05-25 Tragbarer Sender-Empfänger

Country Status (4)

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

Cited By (1)

* 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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2612026B1 (fr) * 1987-03-02 1989-06-09 Telemecanique Electrique Dispositif inductif d'echange rapide de donnees entre deux supports
DE10304479B3 (de) 2003-02-04 2004-07-22 Siemens Audiologische Technik Gmbh Vorrichtung zum Senden und Empfangen von Daten für Fernbedienungen von Hörgeräten

Family Cites Families (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
NL302518A (enrdf_load_stackoverflow) * 1962-12-31
FR1506266A (fr) * 1964-06-11 1967-12-22 Res And Production Ltd Système de communication par ligne

Cited By (1)

* 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

Also Published As

Publication number Publication date
FR2138470B1 (enrdf_load_stackoverflow) 1975-07-04
FR2138470A1 (enrdf_load_stackoverflow) 1973-01-05
BE783786A (fr) 1972-09-18
GB1347808A (en) 1974-02-27

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