FI81932B - Tvaodelad radiotelefon. - Google Patents

Tvaodelad radiotelefon. Download PDF

Info

Publication number
FI81932B
FI81932B FI885702A FI885702A FI81932B FI 81932 B FI81932 B FI 81932B FI 885702 A FI885702 A FI 885702A FI 885702 A FI885702 A FI 885702A FI 81932 B FI81932 B FI 81932B
Authority
FI
Finland
Prior art keywords
power
radio telephone
signal
transmitter
way radio
Prior art date
Application number
FI885702A
Other languages
English (en)
Finnish (fi)
Other versions
FI81932C (sv
FI885702A (fi
FI885702A0 (fi
Inventor
Lauri Levanto
Original Assignee
Nokia Mobira Oy
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 Nokia Mobira Oy filed Critical Nokia Mobira Oy
Priority to FI885702A priority Critical patent/FI81932C/sv
Publication of FI885702A0 publication Critical patent/FI885702A0/fi
Priority to JP1316625A priority patent/JPH03136418A/ja
Priority to DE68919334T priority patent/DE68919334T2/de
Priority to EP89312776A priority patent/EP0372965B1/en
Priority to AT89312776T priority patent/ATE114091T1/de
Publication of FI885702A publication Critical patent/FI885702A/fi
Application granted granted Critical
Publication of FI81932B publication Critical patent/FI81932B/fi
Publication of FI81932C publication Critical patent/FI81932C/sv
Priority to US07/701,372 priority patent/US5170494A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3877—Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Details Of Aerials (AREA)
  • Hydrogenated Pyridines (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Radio Transmission System (AREA)

Claims (4)

1. Tvädelad radiotelefon som innefattar skilda, men me-deist anslutningsdon lnbördes anslutnlngsbara, första del och andra del, kännetecknad av att den första delen (1) som förmänligen utgöres av en radiotelefonlur omfattar funk-tioner som kräver läg effekt, säsom funktioner beträffande styrning, mottagning och signalformning, och att den andra ombytbara delen (2 eller 4) omfattar element, vilka krävs vld effektbehandling, säsom strömmatnlng frän ackumalatorer eller en yttre strömkälla, sändarens slutsteg, ett kylele-ment samt separation av ingäende och utgäende signaler, varvid den mottagna rf-signalen och den lägeffektiva rf-signalen som skall sändas gär skilda frän varandra mellan den första delen (1) och den tili denna medelst anslutnings-donen anslutna andra delen (2 eller 4).
2. Tvädelad radiotelefon enligt patentkravet 1, kännetecknad av att sändarens effektsteg i den andra delen (4) uppvisar läg effekt och denna andra del (4) kan utan ledningar kop-plas tili den första delen (1).
3. Tvädelad radiotelefon enligt patentkravet 1, kännetecknad av att sändarens effektsteg i den andra delen (2) uppvisar stor effekt och denna andra del (2) kopplas tili den första delen (1) med en anslutningskabel (3), i vilken rf-signalen som skall sändas och den mottagna rf-signalen gär skilda frän varandra.
4. Tvädelad radiotelefon enligt patentkravet 1, kännetecknad av att tili samma första del (1) kan anslutas andra delar (2 eller 4) med olik prestationseffekt, varvid radiotele-fonens sändningseffekt och vikt kan ändras.
FI885702A 1988-12-08 1988-12-08 Tvådelad radiotelefon FI81932C (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI885702A FI81932C (sv) 1988-12-08 1988-12-08 Tvådelad radiotelefon
JP1316625A JPH03136418A (ja) 1988-12-08 1989-12-07 二つの部分からなる無線電話機
DE68919334T DE68919334T2 (de) 1988-12-08 1989-12-07 Zweiteiliges Funktelefon.
EP89312776A EP0372965B1 (en) 1988-12-08 1989-12-07 A two-piece radio telephone
AT89312776T ATE114091T1 (de) 1988-12-08 1989-12-07 Zweiteiliges funktelefon.
US07/701,372 US5170494A (en) 1988-12-08 1991-05-13 Two piece radio telephone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI885702 1988-12-08
FI885702A FI81932C (sv) 1988-12-08 1988-12-08 Tvådelad radiotelefon

Publications (4)

Publication Number Publication Date
FI885702A0 FI885702A0 (fi) 1988-12-08
FI885702A FI885702A (fi) 1990-06-09
FI81932B true FI81932B (fi) 1990-08-31
FI81932C FI81932C (sv) 1990-12-10

Family

ID=8527542

Family Applications (1)

Application Number Title Priority Date Filing Date
FI885702A FI81932C (sv) 1988-12-08 1988-12-08 Tvådelad radiotelefon

Country Status (5)

Country Link
EP (1) EP0372965B1 (sv)
JP (1) JPH03136418A (sv)
AT (1) ATE114091T1 (sv)
DE (1) DE68919334T2 (sv)
FI (1) FI81932C (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0530719B1 (de) * 1991-09-05 1996-11-06 Siemens Aktiengesellschaft Fahrzeughalterung für ein Handportable
CH686269A5 (de) * 1993-07-14 1996-02-15 Andreas Peiker Einrichtung mit einer Halterung fuer ein Handfunktelefon.
JP2503906B2 (ja) * 1993-07-23 1996-06-05 日本電気株式会社 携帯無線機

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2659673A1 (de) * 1976-12-30 1978-07-06 Siemens Ag Funktelefonieeinrichtung
JPS584499B2 (ja) * 1979-06-22 1983-01-26 日本電信電話株式会社 自動車電話用無線装置
JP2583578B2 (ja) * 1988-07-01 1997-02-19 三菱電機株式会社 ポケット電話機

Also Published As

Publication number Publication date
FI81932C (sv) 1990-12-10
FI885702A (fi) 1990-06-09
JPH03136418A (ja) 1991-06-11
DE68919334T2 (de) 1995-06-01
DE68919334D1 (de) 1994-12-15
EP0372965A3 (en) 1991-12-04
EP0372965B1 (en) 1994-11-09
FI885702A0 (fi) 1988-12-08
ATE114091T1 (de) 1994-11-15
EP0372965A2 (en) 1990-06-13

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Legal Events

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MM Patent lapsed

Owner name: NOKIA-MOBIRA OY