GB718155A - Improvements in or relating to arrangements for the generation of voltage impulses succeeding one another in time and for testing such voltage impulse generators - Google Patents

Improvements in or relating to arrangements for the generation of voltage impulses succeeding one another in time and for testing such voltage impulse generators

Info

Publication number
GB718155A
GB718155A GB2036152A GB2036152A GB718155A GB 718155 A GB718155 A GB 718155A GB 2036152 A GB2036152 A GB 2036152A GB 2036152 A GB2036152 A GB 2036152A GB 718155 A GB718155 A GB 718155A
Authority
GB
United Kingdom
Prior art keywords
contacts
contact
pulses
operates
cam
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
GB2036152A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens 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.)
Filing date
Publication date
Application filed by Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB718155A publication Critical patent/GB718155A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/47—One nitrogen atom and one oxygen or sulfur atom, e.g. cytosine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/48—Two nitrogen atoms
    • C07D239/49—Two nitrogen atoms with an aralkyl radical, or substituted aralkyl radical, attached in position 5, e.g. trimethoprim
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/04—Distributors combined with modulators or demodulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Amplifiers (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Electrotherapy Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Rectifiers (AREA)
GB2036152A 1951-08-13 1952-08-13 Improvements in or relating to arrangements for the generation of voltage impulses succeeding one another in time and for testing such voltage impulse generators Expired GB718155A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE718155X 1951-08-13

Publications (1)

Publication Number Publication Date
GB718155A true GB718155A (en) 1954-11-10

Family

ID=6626875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2036152A Expired GB718155A (en) 1951-08-13 1952-08-13 Improvements in or relating to arrangements for the generation of voltage impulses succeeding one another in time and for testing such voltage impulse generators

Country Status (5)

Country Link
US (1) US2747023A (enEXAMPLES)
BE (2) BE513500A (enEXAMPLES)
DE (2) DE897853C (enEXAMPLES)
FR (2) FR1090934A (enEXAMPLES)
GB (1) GB718155A (enEXAMPLES)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1003272B (de) * 1957-06-26 1957-02-28 Siemens Ag Zahlengeber mit einem Abgreifer, der zur Bestimmung der Stromstosszahl von Stromstossreihen durch Speicherkontakte gekennzeichnete Markierpunkte sucht, insbesondere fuer Fernsprechanlagen
US3308433A (en) * 1963-01-10 1967-03-07 Rca Corp Switching matrix
DE3045512C2 (de) * 1980-12-03 1982-10-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronische Durchschalteinrichtung für Fernseh- und Tonrundfunkprogramme
AU2015296645A1 (en) 2014-07-28 2017-02-16 Econolite Group, Inc. Self-configuring traffic signal controller

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2117639A (en) * 1935-08-07 1938-05-17 Fay G Johnson Traffic signal
US2541932A (en) * 1948-05-19 1951-02-13 Bell Telephone Labor Inc Multiplex speech interpolation system
BE496916A (enEXAMPLES) * 1949-07-29

Also Published As

Publication number Publication date
DE951458C (de) 1956-10-31
DE897853C (de) 1953-11-26
FR69952E (fr) 1959-01-30
BE513500A (enEXAMPLES) 1952-08-30
FR1090934A (fr) 1955-04-05
BE545026A (enEXAMPLES) 1959-10-09
US2747023A (en) 1956-05-22

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