GB1027835A - Improvements relating to electric surge detectors - Google Patents

Improvements relating to electric surge detectors

Info

Publication number
GB1027835A
GB1027835A GB3591361A GB3591361A GB1027835A GB 1027835 A GB1027835 A GB 1027835A GB 3591361 A GB3591361 A GB 3591361A GB 3591361 A GB3591361 A GB 3591361A GB 1027835 A GB1027835 A GB 1027835A
Authority
GB
United Kingdom
Prior art keywords
transistor
diode
tunnel diode
tunnel
diodes
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
GB3591361A
Other languages
English (en)
Inventor
Peter Harvey
Geoffrey Charles Richards
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB3591361A priority Critical patent/GB1027835A/en
Priority to CH1173262A priority patent/CH410175A/de
Publication of GB1027835A publication Critical patent/GB1027835A/en
Expired 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16585—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 for individual pulses, ripple or noise and other applications where timing or duration is of importance
    • 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
    • G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB3591361A 1961-10-05 1961-10-05 Improvements relating to electric surge detectors Expired GB1027835A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3591361A GB1027835A (en) 1961-10-05 1961-10-05 Improvements relating to electric surge detectors
CH1173262A CH410175A (de) 1961-10-05 1962-10-05 Anzeigegerät für Überspannungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3591361A GB1027835A (en) 1961-10-05 1961-10-05 Improvements relating to electric surge detectors

Publications (1)

Publication Number Publication Date
GB1027835A true GB1027835A (en) 1966-04-27

Family

ID=10382944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3591361A Expired GB1027835A (en) 1961-10-05 1961-10-05 Improvements relating to electric surge detectors

Country Status (2)

Country Link
CH (1) CH410175A (de)
GB (1) GB1027835A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642175A1 (fr) * 1989-01-20 1990-07-27 Merlin Gerin Dispositif de detection de surtensions de manoeuvre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642175A1 (fr) * 1989-01-20 1990-07-27 Merlin Gerin Dispositif de detection de surtensions de manoeuvre

Also Published As

Publication number Publication date
CH410175A (de) 1966-03-31

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