GB1319189A - Electrical apparatus - Google Patents

Electrical apparatus

Info

Publication number
GB1319189A
GB1319189A GB4334771A GB4334771A GB1319189A GB 1319189 A GB1319189 A GB 1319189A GB 4334771 A GB4334771 A GB 4334771A GB 4334771 A GB4334771 A GB 4334771A GB 1319189 A GB1319189 A GB 1319189A
Authority
GB
United Kingdom
Prior art keywords
signal
circuit
buffer
buffers
operator
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
GB4334771A
Other languages
English (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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1319189A publication Critical patent/GB1319189A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/317—Testing of digital circuits
    • G01R31/3181—Functional testing
    • G01R31/319—Tester hardware, i.e. output processing circuits
    • G01R31/3193—Tester hardware, i.e. output processing circuits with comparison between actual response and known fault free response
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
    • 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
    • G01R19/1659—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 to indicate that the value is within or outside a predetermined range of values (window)
    • G01R19/16595—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 to indicate that the value is within or outside a predetermined range of values (window) with multi level indication

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Tests Of Electronic Circuits (AREA)
GB4334771A 1970-11-10 1971-09-17 Electrical apparatus Expired GB1319189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8829870A 1970-11-10 1970-11-10

Publications (1)

Publication Number Publication Date
GB1319189A true GB1319189A (en) 1973-06-06

Family

ID=22210561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4334771A Expired GB1319189A (en) 1970-11-10 1971-09-17 Electrical apparatus

Country Status (4)

Country Link
JP (1) JPS4710294A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2153102A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2113837B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1319189A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1876547A1 (de) * 2006-07-05 2008-01-09 ATMEL Germany GmbH Verfahren zur Funktionskontrolle von wenigstens einem analogen Schaltungsblock

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51127806A (en) * 1975-04-28 1976-11-08 Murata Manufacturing Co Screen printing plate
JPS5258606A (en) * 1975-11-07 1977-05-14 Hitachi Ltd Printing metal mask
JPS5361406A (en) * 1976-11-10 1978-06-01 Matsushita Electric Industrial Co Ltd Gravure plate
US4507740A (en) * 1981-09-08 1985-03-26 Grumman Aerospace Corporation Programmable signal analyzer
KR900002280Y1 (ko) * 1985-04-23 1990-03-17 미쓰비시전기주식회사 승객 콘베이어 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1876547A1 (de) * 2006-07-05 2008-01-09 ATMEL Germany GmbH Verfahren zur Funktionskontrolle von wenigstens einem analogen Schaltungsblock

Also Published As

Publication number Publication date
FR2113837A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-06-30
FR2113837B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-04-22
DE2153102A1 (de) 1972-05-18
JPS4710294A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-05-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees