BR9204996A - Telefone a raios infravermelhos,aparelho manual e aparelho de base para um telefone - Google Patents

Telefone a raios infravermelhos,aparelho manual e aparelho de base para um telefone

Info

Publication number
BR9204996A
BR9204996A BR9204996A BR9204996A BR9204996A BR 9204996 A BR9204996 A BR 9204996A BR 9204996 A BR9204996 A BR 9204996A BR 9204996 A BR9204996 A BR 9204996A BR 9204996 A BR9204996 A BR 9204996A
Authority
BR
Brazil
Prior art keywords
phone
manual
infrared radio
basic appliance
appliance
Prior art date
Application number
BR9204996A
Other languages
English (en)
Inventor
Curt G Reichert
Axel Fischer
Original Assignee
Sensys Ag
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 claimed from DE19924220289 external-priority patent/DE4220289A1/de
Priority claimed from DE19924222694 external-priority patent/DE4222694A1/de
Application filed by Sensys Ag filed Critical Sensys Ag
Publication of BR9204996A publication Critical patent/BR9204996A/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114Indoor or close-range type systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725Cordless telephones
    • H04M1/737Characterised by transmission of electromagnetic waves other than radio waves, e.g. infrared waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)
BR9204996A 1991-12-11 1992-12-11 Telefone a raios infravermelhos,aparelho manual e aparelho de base para um telefone BR9204996A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4140823 1991-12-11
DE19924220289 DE4220289A1 (de) 1992-06-20 1992-06-20 Handapparat für Telephon
DE19924222694 DE4222694A1 (de) 1991-12-11 1992-07-10 Infrarot-telefon

Publications (1)

Publication Number Publication Date
BR9204996A true BR9204996A (pt) 1993-06-15

Family

ID=27203184

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9204996A BR9204996A (pt) 1991-12-11 1992-12-11 Telefone a raios infravermelhos,aparelho manual e aparelho de base para um telefone

Country Status (9)

Country Link
EP (1) EP0558812A3 (pt)
JP (1) JPH066430A (pt)
KR (1) KR930015406A (pt)
AR (1) AR247963A1 (pt)
AU (1) AU3012792A (pt)
BR (1) BR9204996A (pt)
CA (1) CA2085047A1 (pt)
FI (1) FI925606A (pt)
MX (1) MX9207193A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1277850B1 (it) * 1995-01-18 1997-11-12 Edico Srl Apparecchio per l'intrattenimento, quale un ricevitore e/o riproduttore di segnali, in particolare televisivi, con telecomando
KR100742140B1 (ko) * 1999-03-30 2007-07-24 퀄컴 인코포레이티드 이동전화 스피커와 마이크로폰 이득을 자동으로 조정하는방법 및 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2823931A1 (de) * 1978-05-31 1979-12-06 Siemens Ag Fernsprech-teilnehmerstation
GB2120905B (en) * 1982-01-25 1986-03-19 Viking Phone Co Inc Cordless telephone
FI86937C (fi) * 1989-11-01 1992-10-26 Salora Myynti Oy Telefonsystem
DE4005517A1 (de) * 1990-02-22 1991-09-05 Sensys Ag Vorrichtung zu wellenleiterlosen bidirektionalen licht- oder infrarotuebertragung von tondarbietungen, digitalen signalen, messwerten oder bewegten fernsehbildern

Also Published As

Publication number Publication date
MX9207193A (es) 1994-03-31
FI925606A0 (fi) 1992-12-10
JPH066430A (ja) 1994-01-14
AU3012792A (en) 1993-06-17
KR930015406A (ko) 1993-07-24
EP0558812A2 (de) 1993-09-08
AR247963A1 (es) 1995-04-28
EP0558812A3 (en) 1995-04-05
CA2085047A1 (en) 1993-06-12
FI925606A (fi) 1993-06-12

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Legal Events

Date Code Title Description
FA1 Application withdrawn (art. 18(2))