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BE799885R - Perfectionnements aux dispositifs d'intercommunication a rayonnement limite, - Google Patents

Perfectionnements aux dispositifs d'intercommunication a rayonnement limite,

Info

Publication number
BE799885R
BE799885R BE131402A BE131402A BE799885R BE 799885 R BE799885 R BE 799885R BE 131402 A BE131402 A BE 131402A BE 131402 A BE131402 A BE 131402A BE 799885 R BE799885 R BE 799885R
Authority
BE
Belgium
Prior art keywords
improvements
limit radiation
intercommunication devices
intercommunication
devices
Prior art date
Application number
BE131402A
Other languages
English (en)
Inventor
J R Narbaits-Jaureguy
H Billottet
Original Assignee
Thomson Csf
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
Priority to FR7218881A priority Critical patent/FR2185899B2/fr
Application filed by Thomson Csf filed Critical Thomson Csf
Application granted granted Critical
Publication of BE799885R publication Critical patent/BE799885R/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive loop type
    • H04B5/06Near-field transmission systems, e.g. inductive loop type using a portable transmitter associated with a microphone
BE131402A 1970-12-23 1973-05-22 Perfectionnements aux dispositifs d'intercommunication a rayonnement limite, BE799885R (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7218881A FR2185899B2 (fr) 1970-12-23 1972-05-26

Publications (1)

Publication Number Publication Date
BE799885R true BE799885R (fr) 1973-09-17

Family

ID=9099157

Family Applications (1)

Application Number Title Priority Date Filing Date
BE131402A BE799885R (fr) 1970-12-23 1973-05-22 Perfectionnements aux dispositifs d'intercommunication a rayonnement limite,

Country Status (11)

Country Link
US (1) US3868575A (fr)
JP (2) JPS4962005A (fr)
AT (1) AT337259B (fr)
BE (1) BE799885R (fr)
CH (1) CH584435A5 (fr)
DE (1) DE2326829C2 (fr)
ES (1) ES415137A2 (fr)
GB (1) GB1429035A (fr)
IT (1) IT1045762B (fr)
SU (1) SU589941A3 (fr)
ZA (1) ZA7303563B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1432297A (en) * 1974-04-05 1976-04-14 Standard Telephones Cables Ltd Selective calling arrangement
JPS5645538B2 (fr) * 1977-05-25 1981-10-27
FR2478901B1 (fr) * 1980-03-18 1986-02-07 Jeumont Schneider Etage de selection du signal alternatif de plus grande amplitude parmi deux signaux de frequences differentes
JPH0662857B2 (ja) * 1989-06-13 1994-08-17 株式会社アサヒコーポレーション 制振材
CA2033763C (fr) * 1990-01-18 1994-11-01 Timothy Burke Systeme de gestion de reseau a amplificateurs repartis
US5404570A (en) * 1992-11-23 1995-04-04 Telefonaktiebolaget L M Ericsson Radio coverage in closed environments

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR964305A (fr) * 1947-04-24 1950-08-10
US3539924A (en) * 1967-10-12 1970-11-10 Bell Telephone Labor Inc Zoned mobile radio telephone system
GB1240588A (en) * 1968-07-30 1971-07-28 Japan National Railway Improvements in or relating to communication control systems
US3760278A (en) * 1970-12-23 1973-09-18 Thomson Csf Limited range radiocommunication system

Also Published As

Publication number Publication date
ATA454973A (de) 1976-10-15
BE799885A4 (fr)
CH584435A5 (fr) 1977-01-31
US3868575A (en) 1975-02-25
JPS4962005A (fr) 1974-06-15
ES415137A1 (fr)
ES415137A2 (es) 1976-02-16
IT1045762B (it) 1980-06-10
JPS5652943A (en) 1981-05-12
AT337259B (de) 1977-06-27
DE2326829C2 (fr) 1982-07-29
GB1429035A (en) 1976-03-24
SU589941A3 (ru) 1978-01-25
JPS5756259B2 (fr) 1982-11-29
DE2326829A1 (de) 1973-12-06
ZA7303563B (en) 1974-06-26
AU481774A (fr) 1975-01-09

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