ZA742284B - Probe multimeter with display inverting means - Google Patents

Probe multimeter with display inverting means

Info

Publication number: ZA742284B
Authority: ZA; South Africa
Prior art keywords: inverting means; multimeter; probe; display; display inverting
Prior art date: 1973-10-16

Application number

ZA00742284A

Other languages

English (en)

Inventor

P Febvre

V Laing

Original Assignee

Hewlett Packard Co

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.)

1973-10-16

Filing date

1974-04-09

Publication date

1975-04-30

1974-04-09 Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co

1975-04-30 Publication of ZA742284B publication Critical patent/ZA742284B/xx

Links

239000000523 sample Substances 0.000 title 1

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
- G01R19/145—Indicating the presence of current or voltage
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06788—Hand-held or hand-manipulated probes, e.g. for oscilloscopes or for portable test instruments
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
- G01R15/125—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will for digital multimeters
- 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
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2503—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques for measuring voltage only, e.g. digital volt meters (DVM's)

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Indicating Measured Values (AREA)
Measuring Leads Or Probes (AREA)
Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Tests Of Electronic Circuits (AREA)

ZA00742284A 1973-10-16 1974-04-09 Probe multimeter with display inverting means ZA742284B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US407019A US3893028A (en)	1973-10-16	1973-10-16	Probe multimeter with display inverting means

Publications (1)

Publication Number	Publication Date
ZA742284B true ZA742284B (en)	1975-04-30

Family

ID=23610281

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00742284A ZA742284B (en)	1973-10-16	1974-04-09	Probe multimeter with display inverting means

Country Status (10)

Country	Link
US (1)	US3893028A (it)
JP (1)	JPS5418940Y2 (it)
AU (1)	AU464954B2 (it)
CA (1)	CA1014681A (it)
CH (1)	CH575594A5 (it)
FR (1)	FR2247705B1 (it)
GB (1)	GB1459325A (it)
IT (1)	IT1004245B (it)
NL (1)	NL7404937A (it)
ZA (1)	ZA742284B (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4132946A (en) *	1976-01-19	1979-01-02	Chrysler Corporation	Digital readout test probe
USD251484S (en)	1977-04-08	1979-04-03	Earl Cooper Phifer	Electrical testing instrument
DE2914761C2 (de) *	1979-04-11	1980-11-06	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Gerät zum Messen von Gleich- oder Wechselspannungen sowie der Werte von elektrischen Widerständen
US4646002A (en) *	1984-05-10	1987-02-24	Regents Of The University Of Minnesota	Circuit for high impedance broad band probe
US4613813A (en) *	1984-05-18	1986-09-23	Nordson Corporation	Electrostatic system analyzer
DE3505531A1 (de) *	1985-02-18	1986-08-21	Wolfgang Dipl.-Ing. 7500 Karlsruhe Schuster	Elektronisches mehrzweckanzeigegeraet
US4603335A (en) *	1985-03-28	1986-07-29	Amano Corp.	Time recorder for vertical and horizontal use
USD297715S (en)	1985-12-23	1988-09-20	Progressive Electronics, Inc.	Inductive amplifier
CH672840A5 (it) *	1986-10-13	1989-12-29	Svaetopluk Radakovic
USD314715S (en)	1987-11-13	1991-02-19	John Fluke Mfg. Co., Inc.	Digital multimeter
GB2228127A (en) *	1988-12-09	1990-08-15	Qudos Sa	Display device
DE4006776C1 (it) *	1990-03-03	1991-04-25	Carl Mahr Gmbh & Co, 7300 Esslingen, De
US5793707A (en) *	1995-01-05	1998-08-11	Simplex Time Recorder Company	Programmable time recorder
US5686831A (en) *	1996-02-07	1997-11-11	Defelsko Corporation	Gauge with reversible display screen
GB2317489B (en) *	1996-09-13	2000-09-06	Compact Instr Ltd	Improvements in and relating to display devices and measuring apparatus
US7297061B2 (en) *	2002-12-16	2007-11-20	Mattel, Inc.	Game controller having multiple operation modes
GB2409284A (en) *	2003-12-12	2005-06-22	Actherm Inc	Electronic thermometer with directionally adjustable display
USD514005S1 (en)	2004-02-20	2006-01-31	Ideal Industries, Inc.	Clamp meter
US6975104B2 (en) *	2004-02-20	2005-12-13	Ideal Industries, Inc.	Clamp meter with dual display
US8351869B2 (en) *	2005-09-22	2013-01-08	Ideal Industries, Inc.	Electric circuit tracer
DE102006013695A1 (de) *	2006-03-24	2007-09-27	Robert Bosch Gmbh	Elektro-optische Ausgabeeinheit sowie Messgerät mit einer elektro-optischen Ausgabeeinheit
JP5932378B2 (ja) *	2012-02-10	2016-06-08	日置電機株式会社	測定装置
USD737700S1 (en) *	2014-03-31	2015-09-01	Fluke Corporation	Lamp testing device
US20240110944A1 (en) *	2022-10-04	2024-04-04	Milton Solis	Electrical Circuits Testing Device and Method of Use

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3501697A (en) *	1967-08-28	1970-03-17	Motorola Inc	Reversible meter for displaying direct and reciprocal control information
US3757216A (en) *	1971-12-13	1973-09-04	Keithley Instruments	Electrical test instrument
US3782324A (en) *	1972-11-29	1974-01-01	Gen Electric	Meter dial with mirror image portion

1973
- 1973-10-16 US US407019A patent/US3893028A/en not_active Expired - Lifetime
1974
- 1974-02-14 CH CH205274A patent/CH575594A5/xx not_active IP Right Cessation
- 1974-04-09 CA CA197,370A patent/CA1014681A/en not_active Expired
- 1974-04-09 ZA ZA00742284A patent/ZA742284B/xx unknown
- 1974-04-11 AU AU67850/74A patent/AU464954B2/en not_active Expired
- 1974-04-11 NL NL7404937A patent/NL7404937A/xx unknown
- 1974-04-12 IT IT7450374A patent/IT1004245B/it active
- 1974-04-12 FR FR7412981A patent/FR2247705B1/fr not_active Expired
- 1974-04-16 GB GB1655874A patent/GB1459325A/en not_active Expired
- 1974-10-16 JP JP1974124957U patent/JPS5418940Y2/ja not_active Expired

Also Published As

Publication number	Publication date
IT1004245B (it)	1976-07-10
US3893028A (en)	1975-07-01
FR2247705A1 (it)	1975-05-09
AU464954B2 (en)	1975-09-11
NL7404937A (nl)	1975-04-18
JPS5418940Y2 (it)	1979-07-14
AU6785074A (en)	1975-09-11
DE2406517B2 (de)	1976-11-11
DE2406517A1 (de)	1975-04-17
JPS5066677U (it)	1975-06-14
GB1459325A (en)	1976-12-22
FR2247705B1 (it)	1977-10-14
CH575594A5 (it)	1976-05-14
CA1014681A (en)	1977-07-26

Publication	Publication Date	Title
AU464954B2 (en)	1975-09-11	Probe multimeter with display inverting means
ZA74902B (en)	1975-01-29	Display device
GB1443133A (en)	1976-07-21	Test strip
GB1448417A (en)	1976-09-08	Eddy current probe
HK30082A (en)	1982-07-09	Display arrangement
CA1025207A (en)	1978-01-31	Curvature measurement device
ZA734288B (en)	1974-05-29	Cantilever-type display units
AU6958074A (en)	1975-12-04	Display unit
GB1546420A (en)	1979-05-23	Silo with level measuring means
GB1449755A (en)	1976-09-15	Displacement measurement
IL46732A0 (en)	1975-04-25	Test arrangement
AU6651374A (en)	1975-09-11	Display apparatus
GB1442204A (en)	1976-07-14	Measuring apparatus
AU7496274A (en)	1976-05-06	Liquid level probe
JPS55147583A (en)	1980-11-17	Display cell
HK49777A (en)	1977-09-30	Digital display indicator
CS182835B2 (en)	1978-05-31	Dyestuff
GB1447613A (en)	1976-08-25	Probes
JPS55492A (en)	1980-01-05	Measuring probe
JPS51115887A (en)	1976-10-12	Concentration meter
GB1419601A (en)	1975-12-31	Display stand
GB1444586A (en)	1976-08-04	Test arrangements
AU7021274A (en)	1975-12-18	Surface testing device
CS182375B1 (en)	1978-04-28	Measuring apparatus
GB1448267A (en)	1976-09-02	Electrophoretic measurement apparatus