JPS4951991A - - Google Patents

Info

Publication number
JPS4951991A
JPS4951991A JP48059891A JP5989173A JPS4951991A JP S4951991 A JPS4951991 A JP S4951991A JP 48059891 A JP48059891 A JP 48059891A JP 5989173 A JP5989173 A JP 5989173A JP S4951991 A JPS4951991 A JP S4951991A
Authority
JP
Japan
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.)
Pending
Application number
JP48059891A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4951991A publication Critical patent/JPS4951991A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/14—Determining imbalance
    • G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
    • G01M1/22—Determining imbalance by oscillating or rotating the body to be tested and converting vibrations due to imbalance into electric variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/04—Bearings
    • G01M13/045—Acoustic or vibration analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/08—Measuring resistance by measuring both voltage and current
    • G01R27/10—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient
    • G01R27/12—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient using hand generators, e.g. meggers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Sliding-Contact Bearings (AREA)
JP48059891A 1972-05-30 1973-05-30 Pending JPS4951991A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25791772A 1972-05-30 1972-05-30

Publications (1)

Publication Number Publication Date
JPS4951991A true JPS4951991A (en) 1974-05-20

Family

ID=22978337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48059891A Pending JPS4951991A (en) 1972-05-30 1973-05-30

Country Status (5)

Country Link
US (1) US3781698A (en)
JP (1) JPS4951991A (en)
DE (1) DE2315357A1 (en)
FR (1) FR2187112A5 (en)
IT (1) IT988692B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52123679A (en) * 1976-04-09 1977-10-18 Koyo Seiko Co Apparatus for checking for defectiveness of bearing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1869331A (en) * 1927-11-05 1932-07-26 Boonton Res Corp Automatic control for audion amplifiers
GB534457A (en) * 1939-06-08 1941-03-07 Philco Radio & Television Corp Improvements in and relating to detector coupling circuits
US2531935A (en) * 1945-12-14 1950-11-28 Collins Radio Co Level-stabilized modulated carrier amplifier
US2627022A (en) * 1948-06-22 1953-01-27 Rca Corp Combined video gain and frequency response control
US2724089A (en) * 1949-12-09 1955-11-15 Du Mont Allen B Lab Inc Crystal discriminator
US3145345A (en) * 1962-08-28 1964-08-18 Jerome C Squillaro Transistor linear peak detector for signals having wide dynamic range
US3576452A (en) * 1968-05-28 1971-04-27 Motorola Inc Photodiode preamplifier circuit for a card reader system
US3609407A (en) * 1969-06-09 1971-09-28 Tektronix Inc Automatic trigger level control circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52123679A (en) * 1976-04-09 1977-10-18 Koyo Seiko Co Apparatus for checking for defectiveness of bearing
JPS5621085B2 (en) * 1976-04-09 1981-05-18

Also Published As

Publication number Publication date
IT988692B (en) 1975-04-30
FR2187112A5 (en) 1974-01-11
US3781698A (en) 1973-12-25
DE2315357A1 (en) 1973-12-13

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