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GB1274660A - Vibration detector - Google Patents

Vibration detector

Info

Publication number
GB1274660A
GB1274660A GB5310868A GB5310868A GB1274660A GB 1274660 A GB1274660 A GB 1274660A GB 5310868 A GB5310868 A GB 5310868A GB 5310868 A GB5310868 A GB 5310868A GB 1274660 A GB1274660 A GB 1274660A
Authority
GB
United Kingdom
Prior art keywords
transistors
vibration detector
arrangement
amplifying
insensitive
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
GB5310868A
Inventor
Brian Openshaw Skipp
James Wilson Tayton
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.)
SOIL MECHANICS EQUIPMENT Ltd
Original Assignee
SOIL MECHANICS EQUIPMENT Ltd
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 SOIL MECHANICS EQUIPMENT Ltd filed Critical SOIL MECHANICS EQUIPMENT Ltd
Priority to GB5310868A priority Critical patent/GB1274660A/en
Publication of GB1274660A publication Critical patent/GB1274660A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)

Abstract

1,274,660. Transistor amplifying circuits. SOIL MECHANICS (EQUIPMENT) Ltd. 5 Jan., 1970 [8 Nov., 1968], No. 53108/68. Heading H3T. [Also in Divisions G1 and G4] An amplifying arrangement comprises transistors TR1, TR2, TR3, the transistors TR1, TR2 being connected as a feed back amplifier and TR3 acting as an emitter follower to provide a low impedance output. The arrangement has an extended low frequency response, is linear over its range and is insensitive to supply voltage variations.
GB5310868A 1968-11-08 1968-11-08 Vibration detector Expired GB1274660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5310868A GB1274660A (en) 1968-11-08 1968-11-08 Vibration detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5310868A GB1274660A (en) 1968-11-08 1968-11-08 Vibration detector

Publications (1)

Publication Number Publication Date
GB1274660A true GB1274660A (en) 1972-05-17

Family

ID=10466672

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5310868A Expired GB1274660A (en) 1968-11-08 1968-11-08 Vibration detector

Country Status (1)

Country Link
GB (1) GB1274660A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2272122A (en) * 1992-10-28 1994-05-04 Plessey Semiconductors Ltd Wideband constant impedance amplifiers.
CN114488592A (en) * 2020-11-11 2022-05-13 昆山科技大学 Liquid crystal glass plate modulation circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2272122A (en) * 1992-10-28 1994-05-04 Plessey Semiconductors Ltd Wideband constant impedance amplifiers.
US5382919A (en) * 1992-10-28 1995-01-17 Plessey Semiconductors Limited Wideband constant impedance amplifiers
GB2272122B (en) * 1992-10-28 1996-07-17 Plessey Semiconductors Ltd Wideband constant impedance amplifiers
CN114488592A (en) * 2020-11-11 2022-05-13 昆山科技大学 Liquid crystal glass plate modulation circuit

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees