NO822971L - Ledningsfritt telefonsystem. - Google Patents

Ledningsfritt telefonsystem.

Info

Publication number
NO822971L
NO822971L NO822971A NO822971A NO822971L NO 822971 L NO822971 L NO 822971L NO 822971 A NO822971 A NO 822971A NO 822971 A NO822971 A NO 822971A NO 822971 L NO822971 L NO 822971L
Authority
NO
Norway
Prior art keywords
microphone
module
circuit equipment
transmitter
receiver
Prior art date
Application number
NO822971A
Other languages
English (en)
Inventor
Herman T Charity Iii
Original Assignee
Herman T Charity Iii
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 Herman T Charity Iii filed Critical Herman T Charity Iii
Publication of NO822971L publication Critical patent/NO822971L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
  • Transceivers (AREA)
  • Meter Arrangements (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Et telefonmodulsett er innrettet for montering på en vanlig mikrotelefon (12) og et vanlig telefonapparat (152). En mikrotelefonmodul (10) som inngår i modulsettet utgjør en fjernenhet i kombinasjon med mikrotelefonen (12) og omfatter et hylster med elektrisk kretsutstyr (fig. 3). Dette kretsutstyr omfatter en senderdel (78) og en motagerdel (80) for audiosignaler. Et koblingsorgan (70) forbinder kretsutstyrets senderdel (78) elektrisk med en mikrofon i mikrotelefonen (12). Dette elektriske forbindelseorgan (70) forbinder også kretsutstyrets mottagerdel med en høretelefon i mikrotelefonen (12). Mikrotelefonmodulen (10) omfatter også midler for å feste hyl-steret (14) på mikrotelefonen (12). En apparatmodul (150) dan-ner en basis-enhet for anordningen i kombinasjon med telefon-apparatet (152). Apparatmodulen omfatter sender- og mottager-kretser (182, 184) og koblingsorganet (180) for å utveksle. signaler med apparatet (152) .
NO822971A 1981-01-02 1982-09-02 Ledningsfritt telefonsystem. NO822971L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22215981A 1981-01-02 1981-01-02

Publications (1)

Publication Number Publication Date
NO822971L true NO822971L (no) 1982-09-02

Family

ID=22831108

Family Applications (1)

Application Number Title Priority Date Filing Date
NO822971A NO822971L (no) 1981-01-02 1982-09-02 Ledningsfritt telefonsystem.

Country Status (7)

Country Link
EP (1) EP0070872A1 (no)
JP (1) JPS58500583A (no)
AU (1) AU8088782A (no)
BR (1) BR8108953A (no)
DK (1) DK392182A (no)
NO (1) NO822971L (no)
WO (1) WO1982003517A1 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539936A1 (fr) * 1983-01-24 1984-07-27 Portenseigne Dispositif de communication telephonique par liaison radio-electrique
US4752949A (en) * 1984-12-05 1988-06-21 Jay Steinbeck Corded/cordless telephone
FI85787C (fi) * 1989-05-25 1992-05-25 Nokia Mobira Oy Konstruktion foer en saosom sjaelvstaendig enhet fungerande handtelefon.
WO1992008310A1 (en) * 1990-10-26 1992-05-14 Weiser Telecommunications, Inc. Selectable cordless or corded telecommunications system
JPH11127478A (ja) * 1997-10-23 1999-05-11 Matsushita Electric Ind Co Ltd 携帯通信端末
IL140817A0 (en) * 2001-01-09 2002-02-10 Sital Technology And Hardwear Adapter to convert cell phone to desktop telephone

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1930531A1 (de) * 1969-06-16 1970-12-23 Standard Elek K Lorenz Ag Fernsprechteilnehmerstelle mit einer ortsfesten Fernsprechstation und einem schnurlosen Handapparat
DE1930532A1 (de) * 1969-06-16 1970-12-23 Standard Elek K Lorenz Ag Fernsprechstation mit schnurlosem Handapparat
US4039760A (en) * 1974-03-11 1977-08-02 Teletronics United Inc. Cordless telephone system
US4053717A (en) * 1976-02-27 1977-10-11 David Eugene Snider Cordless telephone
US4122308A (en) * 1977-06-03 1978-10-24 Utility Verification Corp. Telephone call metering device

Also Published As

Publication number Publication date
AU8088782A (en) 1982-10-19
JPS58500583A (ja) 1983-04-14
DK392182A (da) 1982-09-03
BR8108953A (pt) 1983-03-01
EP0070872A1 (en) 1983-02-09
WO1982003517A1 (en) 1982-10-14

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