SE8903572L - Traadloest informationsoeverfoeringssystem - Google Patents

Traadloest informationsoeverfoeringssystem

Info

Publication number
SE8903572L
SE8903572L SE8903572A SE8903572A SE8903572L SE 8903572 L SE8903572 L SE 8903572L SE 8903572 A SE8903572 A SE 8903572A SE 8903572 A SE8903572 A SE 8903572A SE 8903572 L SE8903572 L SE 8903572L
Authority
SE
Sweden
Prior art keywords
light
unit
intended
frequency
change
Prior art date
Application number
SE8903572A
Other languages
English (en)
Other versions
SE8903572D0 (sv
Inventor
Goesta Rosen
Original Assignee
Goesta Rosen
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 Goesta Rosen filed Critical Goesta Rosen
Priority to SE8903572A priority Critical patent/SE8903572L/sv
Publication of SE8903572D0 publication Critical patent/SE8903572D0/sv
Priority to PCT/SE1990/000692 priority patent/WO1991007026A1/en
Priority to AU70428/91A priority patent/AU7042891A/en
Publication of SE8903572L publication Critical patent/SE8903572L/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/1149—Arrangements for indoor wireless networking of information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
SE8903572A 1989-10-26 1989-10-26 Traadloest informationsoeverfoeringssystem SE8903572L (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8903572A SE8903572L (sv) 1989-10-26 1989-10-26 Traadloest informationsoeverfoeringssystem
PCT/SE1990/000692 WO1991007026A1 (en) 1989-10-26 1990-10-25 Cordless communication system
AU70428/91A AU7042891A (en) 1989-10-26 1990-10-25 Cordless communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8903572A SE8903572L (sv) 1989-10-26 1989-10-26 Traadloest informationsoeverfoeringssystem

Publications (2)

Publication Number Publication Date
SE8903572D0 SE8903572D0 (sv) 1989-10-26
SE8903572L true SE8903572L (sv) 1991-04-27

Family

ID=20377294

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8903572A SE8903572L (sv) 1989-10-26 1989-10-26 Traadloest informationsoeverfoeringssystem

Country Status (3)

Country Link
AU (1) AU7042891A (sv)
SE (1) SE8903572L (sv)
WO (1) WO1991007026A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0779493A (ja) * 1993-06-18 1995-03-20 Sony Corp 赤外線信号受信装置
JP2863990B2 (ja) * 1994-11-30 1999-03-03 株式会社ユニトロン 赤外線ワイヤレスマイク
WO2000001096A1 (en) * 1998-06-29 2000-01-06 Eclipse Concepts Limited Infrared communication system for simulated wargame
EP1636925A1 (en) 2003-06-10 2006-03-22 Koninklijke Philips Electronics N.V. Led system for illumination and data transmission

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2431937C2 (de) * 1974-07-03 1982-04-01 Sennheiser Electronic Kg, 3002 Wedemark Verfahren zur drahtlosen optischen Nachrichtenübertragung
DE2559646B2 (de) * 1975-08-02 1978-12-14 Neumann Elektronik Gmbh, 4330 Muelheim Einrichtung zur Übertragung tonfrequenter Nachrichten in Bauwerken und Fahrzeugen
DE2837907C3 (de) * 1978-08-31 1981-06-25 Sennheiser Electronic Kg, 3002 Wedemark Verfahren zur Übertragung von niederfrequenten Signalen
DE2920208A1 (de) * 1979-05-18 1980-11-27 Oticon Electronics As Empfaenger fuer moduliertes licht im sichtbaren und/oder infraroten bereich
US4456793A (en) * 1982-06-09 1984-06-26 Bell Telephone Laboratories, Incorporated Cordless telephone system
JPS6081306A (ja) * 1983-10-07 1985-05-09 日本碍子株式会社 作業用ヘルメツト
US4727600A (en) * 1985-02-15 1988-02-23 Emik Avakian Infrared data communication system
DE3607885A1 (de) * 1986-03-10 1987-09-17 Precitronic Gegensprechvorrichtung
US4882770A (en) * 1987-12-14 1989-11-21 H. M. Electronics, Inc. Wireless optical communication system

Also Published As

Publication number Publication date
AU7042891A (en) 1991-05-31
WO1991007026A1 (en) 1991-05-16
SE8903572D0 (sv) 1989-10-26

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