FR2248489A1 - - Google Patents

Info

Publication number
FR2248489A1
FR2248489A1 FR7434996A FR7434996A FR2248489A1 FR 2248489 A1 FR2248489 A1 FR 2248489A1 FR 7434996 A FR7434996 A FR 7434996A FR 7434996 A FR7434996 A FR 7434996A FR 2248489 A1 FR2248489 A1 FR 2248489A1
Authority
FR
France
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.)
Granted
Application number
FR7434996A
Other versions
FR2248489B3 (fr
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.)
HERBERT Ltd A
Original Assignee
HERBERT Ltd A
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 HERBERT Ltd A filed Critical HERBERT Ltd A
Publication of FR2248489A1 publication Critical patent/FR2248489A1/fr
Application granted granted Critical
Publication of FR2248489B3 publication Critical patent/FR2248489B3/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
    • G01R13/404—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values
    • G01R13/405—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of active, i.e. light emitting, e.g. electro-luminescent elements, i.e. bar graphs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR7434996A 1973-10-17 1974-10-17 Expired FR2248489B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4845373A GB1452825A (en) 1973-10-17 1973-10-17 Apparatus for visually displaying an analogue of a measured parameter and a combination of such display apparatus with means for forming the analogue

Publications (2)

Publication Number Publication Date
FR2248489A1 true FR2248489A1 (fr) 1975-05-16
FR2248489B3 FR2248489B3 (fr) 1977-07-22

Family

ID=10448658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7434996A Expired FR2248489B3 (fr) 1973-10-17 1974-10-17

Country Status (5)

Country Link
US (1) US3961256A (fr)
DE (1) DE2449287A1 (fr)
FR (1) FR2248489B3 (fr)
GB (1) GB1452825A (fr)
IT (1) IT1022957B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422935A1 (fr) * 1978-04-14 1979-11-09 Fresenius Chem Pharm Ind Dispositif indicateur avec avertissement de valeur limite

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5236915U (fr) * 1975-09-08 1977-03-16
US4189673A (en) * 1978-05-01 1980-02-19 Burroughs Corporation Pen-shaped precision multi-level current mode logic test probe
US4199758A (en) * 1978-05-04 1980-04-22 Helm Instrument Co., Inc. Solid state indicating apparatus
US4527156A (en) * 1981-06-15 1985-07-02 Helm Instrument Company, Inc. Digital processing and comparison device
US4556867A (en) * 1982-11-01 1985-12-03 John Fluke Mfg. Co., Inc. Dual rate, integrating, analog-to-digital converter
US5376887A (en) * 1992-09-28 1994-12-27 Saubolle; Malcolm C. Battery tester with apertures for plural types and sizes of cells
KR950012276B1 (ko) * 1993-09-16 1995-10-16 금성일렉트론주식회사 멀티 메타

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795863A (en) * 1970-04-20 1974-03-05 Hitachi Ltd Voltage indicator employing a resistive network and light emitting diodes
US3732539A (en) * 1971-05-19 1973-05-08 H Easterly Safety light system for trucks
US3786352A (en) * 1972-04-17 1974-01-15 Beckman Instruments Inc Rate analysis system with overrange signal detection circuit for identifying false signals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422935A1 (fr) * 1978-04-14 1979-11-09 Fresenius Chem Pharm Ind Dispositif indicateur avec avertissement de valeur limite

Also Published As

Publication number Publication date
DE2449287A1 (de) 1975-04-30
IT1022957B (it) 1978-04-20
FR2248489B3 (fr) 1977-07-22
US3961256A (en) 1976-06-01
GB1452825A (en) 1976-10-20

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