BR7104961D0 - Um dispositivo para a transmissao por televisao e ou radio e ou sinais de alto-falantes provenientes de um apito compreendendo um dispositivo fixado em ou proximo ao referido apito - Google Patents

Um dispositivo para a transmissao por televisao e ou radio e ou sinais de alto-falantes provenientes de um apito compreendendo um dispositivo fixado em ou proximo ao referido apito

Info

Publication number
BR7104961D0
BR7104961D0 BR4961/71A BR496171A BR7104961D0 BR 7104961 D0 BR7104961 D0 BR 7104961D0 BR 4961/71 A BR4961/71 A BR 4961/71A BR 496171 A BR496171 A BR 496171A BR 7104961 D0 BR7104961 D0 BR 7104961D0
Authority
BR
Brazil
Prior art keywords
whistle
speakers
television
coming
radio
Prior art date
Application number
BR4961/71A
Other languages
English (en)
Portuguese (pt)
Inventor
R Fontan
Original Assignee
R Fontan
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 R Fontan filed Critical R Fontan
Publication of BR7104961D0 publication Critical patent/BR7104961D0/pt

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmitters (AREA)
BR4961/71A 1970-08-03 1971-08-03 Um dispositivo para a transmissao por televisao e ou radio e ou sinais de alto-falantes provenientes de um apito compreendendo um dispositivo fixado em ou proximo ao referido apito BR7104961D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5260170 1970-08-03

Publications (1)

Publication Number Publication Date
BR7104961D0 true BR7104961D0 (pt) 1973-04-12

Family

ID=11277299

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4961/71A BR7104961D0 (pt) 1970-08-03 1971-08-03 Um dispositivo para a transmissao por televisao e ou radio e ou sinais de alto-falantes provenientes de um apito compreendendo um dispositivo fixado em ou proximo ao referido apito

Country Status (5)

Country Link
BR (1) BR7104961D0 (enExample)
DE (1) DE2134659A1 (enExample)
FR (1) FR2101184A1 (enExample)
IL (1) IL37378A0 (enExample)
NL (1) NL7110407A (enExample)

Also Published As

Publication number Publication date
FR2101184A1 (enExample) 1972-03-31
DE2134659A1 (enExample) 1972-02-17
NL7110407A (enExample) 1972-02-07
IL37378A0 (en) 1971-10-20

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