Classifications

• • G—PHYSICS
  • G04—HOROLOGY
  • G04F—TIME-INTERVAL MEASURING
  • G04F10/00—Apparatus for measuring unknown time intervals by electric means
  • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
  • G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
  • G01D15/24—Drives for recording elements and surfaces not covered by G01D5/00
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
  • G01D9/00—Recording measured values
  • G01D9/02—Producing one or more recordings of the values of a single variable
  • G01D9/10—Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Recording Measured Values (AREA)
• Time Recorders, Dirve Recorders, Access Control (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5378692

Family Applications (1)

Country Status (2)

Families Citing this family (1)

• 1961
  • 1961-06-01 GB GB1978861A patent/GB967367A/en not_active Expired
  • 1961-06-05 BE BE604630A patent/BE604630A/fr unknown

Also Published As

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