SE8903572L - Traadloest informationsoeverfoeringssystem - Google Patents
Traadloest informationsoeverfoeringssystemInfo
- 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
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)
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)
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 |
JP2006527559A (ja) | 2003-06-10 | 2006-11-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 照明を備え、データ伝送を行うledシステム |
Family Cites Families (9)
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 |
-
1989
- 1989-10-26 SE SE8903572A patent/SE8903572L/sv not_active Application Discontinuation
-
1990
- 1990-10-25 WO PCT/SE1990/000692 patent/WO1991007026A1/en unknown
- 1990-10-25 AU AU70428/91A patent/AU7042891A/en not_active Abandoned
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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