DK402979A - Kommunikationssystem med infraroed straaling - Google Patents

Kommunikationssystem med infraroed straaling

Info

Publication number: DK402979A
Authority: DK; Denmark
Prior art keywords: communication system; infrared radiation; radiation communication; infrared; radiation
Prior art date: 1978-09-27

Application number

DK402979A

Other languages

English (en)

Inventor

L Skogsberg

W Fetz

Original Assignee

Int Standard Electric Corp

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.)

1978-09-27

Filing date

1979-09-26

Publication date

1980-03-28

1979-09-26 Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp

1980-03-28 Publication of DK402979A publication Critical patent/DK402979A/da

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
- H04B10/1143—Bidirectional transmission
- 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
- H04B1/40—Circuits
- 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
- H04M1/725—Cordless telephones
- H04M1/737—Characterised by transmission of electromagnetic waves other than radio waves, e.g. infrared waves

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Electromagnetism (AREA)
Physics & Mathematics (AREA)
Optical Communication System (AREA)
Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Transmitters (AREA)
Circuit For Audible Band Transducer (AREA)
Cosmetics (AREA)
Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Magnetic Resonance Imaging Apparatus (AREA)
Medicinal Preparation (AREA)

DK402979A 1978-09-27 1979-09-26 Kommunikationssystem med infraroed straaling DK402979A (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7810158A SE7810158L (sv)	1978-09-27	1978-09-27	Infrarodstralningskommunikationssystem

Publications (1)

Publication Number	Publication Date
DK402979A true DK402979A (da)	1980-03-28

Family

ID=20335943

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK402979A DK402979A (da)	1978-09-27	1979-09-26	Kommunikationssystem med infraroed straaling

Country Status (7)

Country	Link
EP (1)	EP0009295A1 (da)
JP (1)	JPS5588446A (da)
CA (1)	CA1131315A (da)
DK (1)	DK402979A (da)
FI (1)	FI792940A (da)
NO (1)	NO792998L (da)
SE (1)	SE7810158L (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4981139A (en) *	1983-08-11	1991-01-01	Pfohl Robert L	Vital signs monitoring and communication system
US4763663A (en) *	1983-08-11	1988-08-16	Vitacomm, Ltd.	Esophageal stethoscope and vital signs monitor system
FR2584254A1 (fr) *	1985-06-28	1987-01-02	Braun Bernard	Dispositif emetteur-recepteur pour la communication vocale a courte distance
JPS62117361U (da) *	1986-01-16	1987-07-25
JPS6395336U (da) *	1986-12-10	1988-06-20
GB2242090A (en) *	1990-02-13	1991-09-18	S V O Limited	A communication system
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
US6418346B1 (en)	1999-12-14	2002-07-09	Medtronic, Inc.	Apparatus and method for remote therapy and diagnosis in medical devices via interface systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS504909A (da) *	1973-05-16	1975-01-20
DE2431937C2 (de) *	1974-07-03	1982-04-01	Sennheiser Electronic Kg, 3002 Wedemark	Verfahren zur drahtlosen optischen Nachrichtenübertragung
DE2522381A1 (de) *	1975-05-21	1976-12-02	Battelle Institut E V	Verfahren und schaltungsanordnung zur anpassung der autoradiolautstaerke an die umgebungsgeraeusche
DE2609283A1 (de) *	1976-02-04	1977-08-18	Franz Osterholzer	Drahtloser telefonhoerer
DE2656431A1 (de) *	1976-12-14	1978-06-22	Demolux	Vorrichtung fuer die drahtlose uebertragung eines lehrprogrammes in unterrichtsraeumen
DE2701963C3 (de) *	1977-01-19	1980-10-16	Horst Dipl.-Ing. 2804 Lilienthal Nikisch	Verfahren zur Zuleitung einer von einem Sender ausgestrahlten Information an das menschliche Gehör und Gehörschutzeinrichtung zur Durchführung des Verfahrens
GB1548145A (en) *	1978-02-21	1979-07-04	Standard Telephones Cables Ltd	Telephones

1978
- 1978-09-27 SE SE7810158A patent/SE7810158L/xx not_active Application Discontinuation
1979
- 1979-09-18 NO NO792998A patent/NO792998L/no unknown
- 1979-09-21 FI FI792940A patent/FI792940A/fi not_active Application Discontinuation
- 1979-09-25 EP EP79200538A patent/EP0009295A1/en not_active Withdrawn
- 1979-09-26 DK DK402979A patent/DK402979A/da not_active Application Discontinuation
- 1979-09-27 CA CA336,544A patent/CA1131315A/en not_active Expired
- 1979-09-27 JP JP12466679A patent/JPS5588446A/ja active Granted

Also Published As

Publication number	Publication date
CA1131315A (en)	1982-09-07
FI792940A (fi)	1980-03-28
JPS5588446A (en)	1980-07-04
NO792998L (no)	1980-03-28
EP0009295A1 (en)	1980-04-02
SE7810158L (sv)	1980-03-28
JPS5756260B2 (da)	1982-11-29

Publication	Publication Date	Title
FI793202A (fi)	1980-04-17	System foer infoering av banan
FI790170A (fi)	1979-07-20	System foer personlig identifiering
AT377139B (de)	1985-02-11	Funksystem
DK146296C (da)	1984-02-27	Roerpoststation
SE7810439L (sv)	1979-04-13	Kommunikationssystem
SE7804577L (sv)	1978-11-03	Kommunikationsanleggning
FI64201B (fi)	1983-06-30	Regleranordning foer en pappersraffinoer
ES494233A0 (es)	1981-05-16	Conjunto de detectores de radiacion de estado solido
GB2021761B (en)	1982-09-02	Infrared detector
NL7805937A (nl)	1978-12-05	Infrarood optisch stelsel.
FI782267A (fi)	1979-04-14	System foer pyrolytisk foerbraenning av trae- och annat avfall
DK420578A (da)	1979-03-25	Varmeanlaeg
DK413478A (da)	1980-03-20	Byggesystem
DK402979A (da)	1980-03-28	Kommunikationssystem med infraroed straaling
SE7907978L (sv)	1980-03-29	Digital kommunikationsanleggning
DK434880A (da)	1981-04-16	Jordvarmeanlaeg
SE7806071L (sv)	1978-11-28	Radiolenkoverforingsanleggning
PL208438A1 (pl)	1979-07-16	System lacznosci
DK454379A (da)	1979-11-01	Varmeanlaeg
DK109378A (da)	1979-09-11	Elektromedicinsk anlaeg
SE7801032L (sv)	1979-07-28	Transportsystem
IT1112172B (it)	1986-01-13	Rivelatore
DK403980A (da)	1981-03-26	Kommunikationsanlaeg
GB2014395B (en)	1982-08-18	Infra-red imager
FI65452B (fi)	1984-01-31	System foer uppknytning av en handvaevstol

Legal Events

Date	Code	Title	Description
1985-10-07	AHS	Application shelved for other reasons than non-payment