GB292261A - Improvements in circuit interrupting devices particularly applicable for telephone systems - Google Patents

Improvements in circuit interrupting devices particularly applicable for telephone systems

Info

Publication number
GB292261A
GB292261A GB766627A GB766627A GB292261A GB 292261 A GB292261 A GB 292261A GB 766627 A GB766627 A GB 766627A GB 766627 A GB766627 A GB 766627A GB 292261 A GB292261 A GB 292261A
Authority
GB
United Kingdom
Prior art keywords
particularly applicable
telephone systems
circuit interrupting
interrupting devices
devices particularly
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB766627A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority to NL20970D priority Critical patent/NL20970C/xx
Priority to BE350874D priority patent/BE350874A/xx
Application filed by Individual filed Critical Individual
Priority to GB766627A priority patent/GB292261A/en
Priority to CH133031D priority patent/CH133031A/de
Priority to FR654068D priority patent/FR654068A/fr
Publication of GB292261A publication Critical patent/GB292261A/en
Expired legal-status Critical Current

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)
GB766627A 1927-03-19 1927-03-19 Improvements in circuit interrupting devices particularly applicable for telephone systems Expired GB292261A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL20970D NL20970C (es) 1927-03-19
BE350874D BE350874A (es) 1927-03-19
GB766627A GB292261A (en) 1927-03-19 1927-03-19 Improvements in circuit interrupting devices particularly applicable for telephone systems
CH133031D CH133031A (de) 1927-03-19 1928-04-24 Stromkreisunterbrechungsvorrichtung, insbesondere für Telephonanlagen.
FR654068D FR654068A (fr) 1927-03-19 1928-05-10 Perfectionnements aux dispositifs électriques interrupteurs de circuits, particulièrement aux dispositifs de ce genre utilisés dans les systèmes téléphoniques

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
GB292261A true GB292261A (en) 1928-06-19

Family

ID=9837478

Family Applications (1)

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

Country Status (5)

Country Link
BE (1) BE350874A (es)
CH (1) CH133031A (es)
FR (1) FR654068A (es)
GB (1) GB292261A (es)
NL (1) NL20970C (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160017A (en) * 1984-06-05 1985-12-11 Inertia Switch Ltd Electrical switches

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160017A (en) * 1984-06-05 1985-12-11 Inertia Switch Ltd Electrical switches

Also Published As

Publication number Publication date
BE350874A (es)
FR654068A (fr) 1929-04-03
CH133031A (de) 1929-05-15
NL20970C (es)

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