Nothing Special   »   [go: up one dir, main page]

GB2121191B - Phase sensitive detector and frequency component measuring apparatus - Google Patents

Phase sensitive detector and frequency component measuring apparatus

Info

Publication number
GB2121191B
GB2121191B GB08221186A GB8221186A GB2121191B GB 2121191 B GB2121191 B GB 2121191B GB 08221186 A GB08221186 A GB 08221186A GB 8221186 A GB8221186 A GB 8221186A GB 2121191 B GB2121191 B GB 2121191B
Authority
GB
United Kingdom
Prior art keywords
frequency component
measuring apparatus
sensitive detector
phase sensitive
component measuring
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
GB08221186A
Other versions
GB2121191A (en
Inventor
Stephen John Kearley
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.)
Electricity Council
Original Assignee
Electricity Council
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 Electricity Council filed Critical Electricity Council
Priority to GB08221186A priority Critical patent/GB2121191B/en
Publication of GB2121191A publication Critical patent/GB2121191A/en
Application granted granted Critical
Publication of GB2121191B publication Critical patent/GB2121191B/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0007Frequency selective voltage or current level measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
GB08221186A 1982-05-07 1982-07-22 Phase sensitive detector and frequency component measuring apparatus Expired GB2121191B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08221186A GB2121191B (en) 1982-05-07 1982-07-22 Phase sensitive detector and frequency component measuring apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8213238 1982-05-07
GB08221186A GB2121191B (en) 1982-05-07 1982-07-22 Phase sensitive detector and frequency component measuring apparatus

Publications (2)

Publication Number Publication Date
GB2121191A GB2121191A (en) 1983-12-14
GB2121191B true GB2121191B (en) 1986-01-22

Family

ID=26282765

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08221186A Expired GB2121191B (en) 1982-05-07 1982-07-22 Phase sensitive detector and frequency component measuring apparatus

Country Status (1)

Country Link
GB (1) GB2121191B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06126755A (en) * 1992-10-15 1994-05-10 Bridgestone Corp Method for molding polyurethane sheet pad

Also Published As

Publication number Publication date
GB2121191A (en) 1983-12-14

Similar Documents

Publication Publication Date Title
GB2125643B (en) Frequency measuring apparatus
DE3171263D1 (en) Phase sensitive detector
GB8407799D0 (en) Specific material detection and measuring device
DE3476621D1 (en) Frequency detector
DE3362942D1 (en) Sensitive broad band alternating magnetic field detector, and its use as a measuring apparatus
DE3373345D1 (en) Apparatus for measuring the amplitude and position of an unbalance of a turning system
GB2147097B (en) Micro-dimensional measurement apparatus
JPS5360277A (en) Detector for detecting strength of field of microwave
EP0183615A3 (en) Method and device for the detection of changes of phase
EP0112079A3 (en) Measuring method and apparatus
JPS57151880A (en) Test pattern apparatus for radiation detector and manufacture thereof
JPS5727459A (en) Tape position detector and position measuring device including same detector
GB2118393B (en) Frequency determining apparatus
GB2121191B (en) Phase sensitive detector and frequency component measuring apparatus
DE3274297D1 (en) Device for determining position and size of unbalance
DE3479471D1 (en) Apparatus for testing the field of view (iii)
DE3371121D1 (en) Process and device for detecting frequency variations
DE3462297D1 (en) Phase detecting apparatus
DE3372233D1 (en) Device and method for measuring the voltage of a hidden object
GB2149624B (en) Apparatus for testing electromagnetic radiation responsive devices
EP0093607A3 (en) Combinatorial measuring method and apparatus
JPS5652388A (en) Method and device for inspecting function of detector for preceding article
GB2102252B (en) Audio frequency measuring apparatus
DE3175500D1 (en) Apparatus for detecting the local temperature variations of an object and the sites of the temperature variations
PL241916A2 (en) Method of phase detection and phase detector circuit

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930722