CH229050A - Device for counting and measuring current pulses of short duration. - Google Patents

Device for counting and measuring current pulses of short duration.

Info

Publication number
CH229050A
CH229050A CH229050DA CH229050A CH 229050 A CH229050 A CH 229050A CH 229050D A CH229050D A CH 229050DA CH 229050 A CH229050 A CH 229050A
Authority
CH
Switzerland
Prior art keywords
counting
short duration
current pulses
measuring current
measuring
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Landis Gyr
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Publication of CH229050A publication Critical patent/CH229050A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/02—Input circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/048—Checking overvoltage diverters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Fuses (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Recording Measured Values (AREA)
  • Emergency Protection Circuit Devices (AREA)
CH229050D 1942-11-07 1942-11-07 Device for counting and measuring current pulses of short duration. CH229050A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH229050T 1942-11-07

Publications (1)

Publication Number Publication Date
CH229050A true CH229050A (en) 1943-09-30

Family

ID=32180081

Family Applications (2)

Application Number Title Priority Date Filing Date
CH229050D CH229050A (en) 1942-11-07 1942-11-07 Device for counting and measuring current pulses of short duration.
CH238954D CH238954A (en) 1942-11-07 1944-04-05 Device for counting and measuring current pulses of short duration.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH238954D CH238954A (en) 1942-11-07 1944-04-05 Device for counting and measuring current pulses of short duration.

Country Status (7)

Country Link
US (2) US2405121A (en)
BE (1) BE460789A (en)
CH (2) CH229050A (en)
DE (1) DE861895C (en)
FR (2) FR898240A (en)
GB (2) GB566645A (en)
NL (1) NL62344C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528744A (en) * 1944-11-30 1950-11-07 Landis & Gyr Ag Electromagnetic appliance
US2630860A (en) * 1946-08-31 1953-03-10 Affiliated Gas Equipment Inc Burner control means
US2515677A (en) * 1947-05-23 1950-07-18 Rca Corp Direct current limiter and counter circuit
US2557848A (en) * 1948-05-28 1951-06-19 Rca Corp Arc-back counter
US2625822A (en) * 1949-06-15 1953-01-20 Taylor Instr Compagnies Digital indicating arrangement for measuring systems
US2550460A (en) * 1950-04-06 1951-04-24 George M Farly Monitoring circuit
DE863697C (en) * 1951-02-22 1953-01-19 Brown Ag Device for counting returns in mutators
US2888198A (en) * 1954-03-24 1959-05-26 Westinghouse Electric Corp Automatic circuit reclosers
DE1041124B (en) * 1957-02-11 1958-10-16 W Helmut Schmidt Display device for lightning strikes in house lightning protection systems
US3020727A (en) * 1959-11-02 1962-02-13 Dole Valve Co Heat motor for a rotary ice tray
US3248871A (en) * 1960-09-30 1966-05-03 Jr John E Lindberg Method and apparatus for power transmission and actuation
US3538440A (en) * 1968-08-30 1970-11-03 Westinghouse Electric Corp Voltage detector for shielded conductor providing substantially constant output voltage over wide range of input voltage
US3766536A (en) * 1971-12-15 1973-10-16 Gen Motors Corp Catalytic converter monitor
FR2452175A1 (en) * 1979-03-23 1980-10-17 Alsthom Unelec Sa ELECTRICAL AIR CUT-OFF APPARATUS PROVIDED WITH A SHORT-CIRCUIT INDICATOR DEVICE

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US884047A (en) * 1908-01-13 1908-04-07 John E Shepherd Automatic alarm system.
US1056459A (en) * 1908-01-20 1913-03-18 Automatic Fire Prot Company Automatic fire-protection signal system.
US989347A (en) * 1910-05-02 1911-04-11 Internat Electric Prot Company Electrical thermostat.
US1695534A (en) * 1925-02-27 1928-12-18 William C Carter Pump diaphragm
US1899746A (en) * 1929-04-03 1933-02-28 Westinghouse Electric & Mfg Co Protective system for transformers
US2024060A (en) * 1933-05-23 1935-12-10 Roberto J Peralta Electric current control device
US2021079A (en) * 1934-04-23 1935-11-12 Crosley Radio Corp Restricted flow device
US2227668A (en) * 1938-08-11 1941-01-07 Jules F Bonal Governor
US2271307A (en) * 1938-10-21 1942-01-27 William A Ray Thermal operator

Also Published As

Publication number Publication date
US2493448A (en) 1950-01-03
US2405121A (en) 1946-08-06
CH238954A (en) 1945-08-31
GB566645A (en) 1945-01-08
FR53800E (en) 1946-09-06
FR898240A (en) 1945-04-13
NL62344C (en) 1948-08-06
GB589276A (en) 1947-06-16
DE861895C (en) 1953-01-08
BE460789A (en) 1945-11-30

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