BE836699A - Emetteur de lumiere module a frequence acoustique dans un appareil de communication - Google Patents

Emetteur de lumiere module a frequence acoustique dans un appareil de communication

Info

Publication number
BE836699A
BE836699A BE162794A BE162794A BE836699A BE 836699 A BE836699 A BE 836699A BE 162794 A BE162794 A BE 162794A BE 162794 A BE162794 A BE 162794A BE 836699 A BE836699 A BE 836699A
Authority
BE
Belgium
Prior art keywords
communication device
light emitter
frequency module
acoustic frequency
module light
Prior art date
Application number
BE162794A
Other languages
English (en)
French (fr)
Inventor
J Bulow
B Schmitt
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 filed Critical
Publication of BE836699A publication Critical patent/BE836699A/xx

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
    • H04B10/50—Transmitters
    • 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
    • H04B1/06—Receivers
    • H04B1/08—Constructional details, e.g. cabinet

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Circuits Of Receivers In General (AREA)
BE162794A 1975-08-30 1975-12-16 Emetteur de lumiere module a frequence acoustique dans un appareil de communication BE836699A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19757527487 DE7527487U (de) 1975-08-30 1975-08-30 Tonmodulierter lichtsender in nachrichtengeraeten

Publications (1)

Publication Number Publication Date
BE836699A true BE836699A (fr) 1976-04-16

Family

ID=6655107

Family Applications (1)

Application Number Title Priority Date Filing Date
BE162794A BE836699A (fr) 1975-08-30 1975-12-16 Emetteur de lumiere module a frequence acoustique dans un appareil de communication

Country Status (8)

Country Link
BE (1) BE836699A (enrdf_load_stackoverflow)
CH (1) CH590593A5 (enrdf_load_stackoverflow)
DE (1) DE7527487U (enrdf_load_stackoverflow)
DK (1) DK976A (enrdf_load_stackoverflow)
FR (1) FR2322488A1 (enrdf_load_stackoverflow)
GB (1) GB1503265A (enrdf_load_stackoverflow)
IT (1) IT219822Z2 (enrdf_load_stackoverflow)
NL (1) NL7600375A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1150715B (it) * 1982-03-19 1986-12-17 Marco Clementi Autoradio con dispositivi che ne permettono la manovra a distanza
GB2232290B (en) * 1989-04-11 1994-02-23 Barcrest Ltd Relay system

Also Published As

Publication number Publication date
NL7600375A (nl) 1977-03-02
IT219822Z2 (it) 1993-05-18
DE7527487U (de) 1976-01-02
GB1503265A (en) 1978-03-08
DK976A (da) 1977-03-01
FR2322488A1 (fr) 1977-03-25
CH590593A5 (enrdf_load_stackoverflow) 1977-08-15
FR2322488B3 (enrdf_load_stackoverflow) 1979-03-09

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