NL182753C - Testinrichting. - Google Patents

Testinrichting.

Info

Publication number
NL182753C
NL182753C NLAANVRAGE7116985,A NL7116985A NL182753C NL 182753 C NL182753 C NL 182753C NL 7116985 A NL7116985 A NL 7116985A NL 182753 C NL182753 C NL 182753C
Authority
NL
Netherlands
Prior art keywords
testing device
testing
Prior art date
Application number
NLAANVRAGE7116985,A
Other languages
English (en)
Other versions
NL182753B (nl
NL7116985A (nl
Original Assignee
Canon Kk
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
Priority claimed from JP45110311A external-priority patent/JPS509658B1/ja
Priority claimed from JP45110309A external-priority patent/JPS5024179B1/ja
Priority claimed from JP45110310A external-priority patent/JPS511499B1/ja
Priority claimed from JP3762571A external-priority patent/JPS565938B1/ja
Priority claimed from JP7562271A external-priority patent/JPS4842777A/ja
Application filed by Canon Kk filed Critical Canon Kk
Publication of NL7116985A publication Critical patent/NL7116985A/xx
Publication of NL182753B publication Critical patent/NL182753B/nl
Application granted granted Critical
Publication of NL182753C publication Critical patent/NL182753C/nl

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
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16557—Logic probes, i.e. circuits indicating logic state (high, low, O)

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Electronic Circuits (AREA)
NLAANVRAGE7116985,A 1970-12-11 1971-12-10 Testinrichting. NL182753C (nl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP45110311A JPS509658B1 (nl) 1970-12-11 1970-12-11
JP45110309A JPS5024179B1 (nl) 1970-12-11 1970-12-11
JP45110310A JPS511499B1 (nl) 1970-12-11 1970-12-11
JP3762571A JPS565938B1 (nl) 1971-05-31 1971-05-31
JP7562271A JPS4842777A (nl) 1971-09-28 1971-09-28

Publications (3)

Publication Number Publication Date
NL7116985A NL7116985A (nl) 1972-06-13
NL182753B NL182753B (nl) 1987-12-01
NL182753C true NL182753C (nl) 1988-05-02

Family

ID=27521877

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7116985,A NL182753C (nl) 1970-12-11 1971-12-10 Testinrichting.

Country Status (3)

Country Link
US (1) US3805155A (nl)
DE (1) DE2161519C3 (nl)
NL (1) NL182753C (nl)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956697A (en) * 1972-04-17 1976-05-11 Ipa Internationale Patent - Und Lizenz-Anstalt Voltage detector for detecting different voltage levels in conductors of an electrical power line
US4005365A (en) * 1975-03-26 1977-01-25 Western Electric Company, Inc. Voltage comparator and indicating circuit
US4051333A (en) * 1976-04-14 1977-09-27 Communication Sciences Corporation Tip and ring conductor voltage tester
US4115731A (en) * 1976-06-01 1978-09-19 Digital Facilities, Inc. System for locating electrical shorts by tracking the paths of injected pulse currents utilizing a voltage differential responsive probe
CH673712A5 (nl) * 1987-07-29 1990-03-30 Reichle & De Massari Fa
US5497094A (en) * 1994-01-21 1996-03-05 George; David L. Electrical circuit identification means
US5894232A (en) * 1997-02-26 1999-04-13 Advanced Micro Devices, Inc. Processor local bus frequency detection circuit
US5939874A (en) * 1997-02-26 1999-08-17 Advanced Micro Devices, Inc. Voltage detection circuit having comparator pairs with mutually connected inputs
US5915029A (en) * 1998-04-23 1999-06-22 Sony Corporation Automated testing apparatus for electronic component
US6163144A (en) * 1998-07-20 2000-12-19 Applied Power Inc. Electrical circuit tracing apparatus using modulated tracing signal
US6259241B1 (en) * 1999-06-22 2001-07-10 Zircon Corporation Projected display for portable sensor indicating the location of a detected hidden object behind a surface
US6525665B1 (en) * 2001-08-22 2003-02-25 Gb Tools And Supplies, Inc. Electrical circuit tracing device
US7013570B2 (en) * 2003-06-18 2006-03-21 Irwin-Industrial Tool Company Stud finder
US7487596B2 (en) * 2004-06-25 2009-02-10 Irwin Industrial Tool Company Laser line projected on an edge of a surface
US7178250B2 (en) * 2004-07-21 2007-02-20 Irwin Industrial Tool Company Intersecting laser line generating device
US20110234414A1 (en) * 2010-03-26 2011-09-29 Luis Ojeda Wearable live electrical circuit detection device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2461456A (en) * 1944-02-11 1949-02-08 Rca Corp Frequency shift keying
US3021514A (en) * 1958-03-27 1962-02-13 Itt Voltage comparator
US3122729A (en) * 1959-09-25 1964-02-25 Epsco Inc Logical circuit
NL278326A (nl) * 1961-05-11
GB935918A (en) * 1961-07-27 1963-09-04 Gen Electric Co Ltd Improvements in or relating to electrical test equipments
US3503062A (en) * 1965-11-12 1970-03-24 Bendix Corp Direct current power supply voltage level indicator
DE1303813C2 (de) * 1966-09-28 1973-07-26 El. Apparate- u. Stanzwerkzeugfabrik E. Schorf AG, Bümpliz, Bern (Schweiz) Pruefsummer
US3543154A (en) * 1968-11-01 1970-11-24 Hewlett Packard Co Logic probe
DE6809352U (de) * 1968-11-30 1969-04-30 Siemens Ag Vorrichtung zum pruefen der signalzustaende von binaeren schaltkreisen
US3619775A (en) * 1969-11-25 1971-11-09 Pulse Monitors Inc Polarity and voltage level detecting test probe
US3600688A (en) * 1970-04-21 1971-08-17 Bethlehem Steel Corp Signal discriminator circuit

Also Published As

Publication number Publication date
DE2161519A1 (de) 1972-06-22
US3805155A (en) 1974-04-16
DE2161519C3 (de) 1981-07-02
NL182753B (nl) 1987-12-01
NL7116985A (nl) 1972-06-13
DE2161519B2 (de) 1980-11-06

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent