IT988692B - Discriminatore di rapporto di tensione - Google Patents
Discriminatore di rapporto di tensioneInfo
- Publication number
- IT988692B IT988692B IT24708/73A IT2470873A IT988692B IT 988692 B IT988692 B IT 988692B IT 24708/73 A IT24708/73 A IT 24708/73A IT 2470873 A IT2470873 A IT 2470873A IT 988692 B IT988692 B IT 988692B
- Authority
- IT
- Italy
- Prior art keywords
- voltage ratio
- ratio discriminator
- discriminator
- voltage
- ratio
- Prior art date
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)
- Sliding-Contact Bearings (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25791772A | 1972-05-30 | 1972-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT988692B true IT988692B (it) | 1975-04-30 |
Family
ID=22978337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24708/73A IT988692B (it) | 1972-05-30 | 1973-05-29 | Discriminatore di rapporto di tensione |
Country Status (5)
Country | Link |
---|---|
US (1) | US3781698A (it) |
JP (1) | JPS4951991A (it) |
DE (1) | DE2315357A1 (it) |
FR (1) | FR2187112A5 (it) |
IT (1) | IT988692B (it) |
Families Citing this family (1)
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)
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 |
-
1972
- 1972-05-30 US US00257917A patent/US3781698A/en not_active Expired - Lifetime
-
1973
- 1973-03-28 DE DE2315357A patent/DE2315357A1/de active Pending
- 1973-05-29 IT IT24708/73A patent/IT988692B/it active
- 1973-05-30 JP JP48059891A patent/JPS4951991A/ja active Pending
- 1973-05-30 FR FR7319639A patent/FR2187112A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4951991A (it) | 1974-05-20 |
FR2187112A5 (it) | 1974-01-11 |
DE2315357A1 (de) | 1973-12-13 |
US3781698A (en) | 1973-12-25 |
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