BE350874A - - Google Patents

Info

Publication number
BE350874A
BE350874A BE350874DA BE350874A BE 350874 A BE350874 A BE 350874A BE 350874D A BE350874D A BE 350874DA BE 350874 A BE350874 A BE 350874A
Authority
BE
Belgium
Application number
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.)
Publication of BE350874A publication Critical patent/BE350874A/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
BE350874D 1927-03-19 BE350874A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB766627A GB292261A (en) 1927-03-19 1927-03-19 Improvements in circuit interrupting devices particularly applicable for telephone systems

Publications (1)

Publication Number Publication Date
BE350874A true BE350874A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=9837478

Family Applications (1)

Application Number Title Priority Date Filing Date
BE350874D BE350874A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1927-03-19

Country Status (5)

Country Link
BE (1) BE350874A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH133031A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR654068A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB292261A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL20970C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160017B (en) * 1984-06-05 1988-07-27 Inertia Switch Ltd Electrical switches responsive to two stimuli

Also Published As

Publication number Publication date
FR654068A (fr) 1929-04-03
CH133031A (de) 1929-05-15
GB292261A (en) 1928-06-19
NL20970C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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