GB8600555D0 - Leak rate detector circuit - Google Patents

Leak rate detector circuit

Info

Publication number
GB8600555D0
GB8600555D0 GB868600555A GB8600555A GB8600555D0 GB 8600555 D0 GB8600555 D0 GB 8600555D0 GB 868600555 A GB868600555 A GB 868600555A GB 8600555 A GB8600555 A GB 8600555A GB 8600555 D0 GB8600555 D0 GB 8600555D0
Authority
GB
United Kingdom
Prior art keywords
detector circuit
leak rate
rate detector
leak
circuit
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.)
Withdrawn
Application number
GB868600555A
Other versions
GB2169720A (en
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.)
BROWNELL Ltd
Original Assignee
BROWNELL 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 BROWNELL Ltd filed Critical BROWNELL Ltd
Publication of GB8600555D0 publication Critical patent/GB8600555D0/en
Publication of GB2169720A publication Critical patent/GB2169720A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G01R19/12—Measuring rate of change
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
GB08600555A 1985-01-10 1986-01-10 Detecting rate of change of signals Withdrawn GB2169720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858500595A GB8500595D0 (en) 1985-01-10 1985-01-10 Leak rate detector circuit

Publications (2)

Publication Number Publication Date
GB8600555D0 true GB8600555D0 (en) 1986-02-19
GB2169720A GB2169720A (en) 1986-07-16

Family

ID=10572649

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858500595A Pending GB8500595D0 (en) 1985-01-10 1985-01-10 Leak rate detector circuit
GB08600555A Withdrawn GB2169720A (en) 1985-01-10 1986-01-10 Detecting rate of change of signals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858500595A Pending GB8500595D0 (en) 1985-01-10 1985-01-10 Leak rate detector circuit

Country Status (1)

Country Link
GB (2) GB8500595D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016186A (en) * 1988-02-09 1991-05-14 Mitsubishi Jukogyo Kabushiki Kaisha Method of detecting noise disappearance and detecting device therefor
DE4116308A1 (en) * 1991-05-15 1992-11-19 Schleicher Relais DEVICE FOR INTERMITTENT MEASUREMENT OF A MEASURING SIZE OVER LONGER PERIODS
EP0577994B1 (en) * 1992-06-25 1997-05-21 Motorola, Inc. Alternator voltage regulator comprising an alternator rotation detector and alternator battery charging system
ATE241126T1 (en) * 1997-04-02 2003-06-15 Steinel Gmbh & Co Kg DEVICE AND METHOD FOR EVALUATION OF A SENSOR VOLTAGE SIGNAL
KR100649570B1 (en) 2005-12-19 2006-11-27 삼성에스디아이 주식회사 Battery management system and method, and battery system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667056A (en) * 1970-11-17 1972-05-30 Instrumentation Specialties Co Sample, hold, and subtract circuit
US3837746A (en) * 1972-09-20 1974-09-24 Akro Medic Eng Corp Apparatus for evaluation of biological fluid
FR2226666B1 (en) * 1973-04-17 1976-05-28 Aerospatiale
GB1478810A (en) * 1975-11-20 1977-07-06 Standard Telephones Cables Ltd Detection circuits for monitoring current changes
US4086651A (en) * 1976-06-29 1978-04-25 The Perkin-Elmer Corporation Electrical output peak detecting apparatus
GB2085599B (en) * 1980-09-30 1984-09-19 Gould Advance Ltd Automatic drift correction

Also Published As

Publication number Publication date
GB2169720A (en) 1986-07-16
GB8500595D0 (en) 1985-02-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)