GB1431848A - Optical null-type indicator for a balance - Google Patents

Optical null-type indicator for a balance

Info

Publication number
GB1431848A
GB1431848A GB3802773A GB3802773A GB1431848A GB 1431848 A GB1431848 A GB 1431848A GB 3802773 A GB3802773 A GB 3802773A GB 3802773 A GB3802773 A GB 3802773A GB 1431848 A GB1431848 A GB 1431848A
Authority
GB
United Kingdom
Prior art keywords
balance
stop
null
transistors
photo
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
GB3802773A
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.)
Sartorius Werke GmbH
Original Assignee
Sartorius Werke GmbH
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 Sartorius Werke GmbH filed Critical Sartorius Werke GmbH
Publication of GB1431848A publication Critical patent/GB1431848A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
    • G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
    • G01G23/361—Indicating the weight by electrical means, e.g. using photoelectric cells using photoelectric cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S177/00—Weighing scales
    • Y10S177/06—Photoelectric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
GB3802773A 1972-09-04 1973-08-10 Optical null-type indicator for a balance Expired GB1431848A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722243379 DE2243379B1 (de) 1972-09-04 1972-09-04 Optischer nullindikator fuer eine elektrische waage

Publications (1)

Publication Number Publication Date
GB1431848A true GB1431848A (en) 1976-04-14

Family

ID=5855435

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3802773A Expired GB1431848A (en) 1972-09-04 1973-08-10 Optical null-type indicator for a balance

Country Status (4)

Country Link
US (1) US3805907A (enExample)
DE (1) DE2243379B1 (enExample)
FR (1) FR2198131B1 (enExample)
GB (1) GB1431848A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973109A (en) * 1975-03-17 1976-08-03 Sanitary Scale Company Null monitoring system
US4543571A (en) * 1982-11-05 1985-09-24 Universal Supply, Inc. Opto-mechanical cursor positioning device
US4825069A (en) * 1987-05-15 1989-04-25 Lodec, Inc. Relative movement sensor
US5365059A (en) * 1993-08-06 1994-11-15 Bilanx Technology, Inc. Parallel beam force measurement apparatus having an optical light sensor means
EP2607866B1 (de) 2011-12-22 2014-11-26 Mettler-Toledo AG Wägezelle nach dem Prinzip der elektromagnetischen Kraftkompensation mit optoelektronischem Positionssensor
EP2634543A1 (de) 2012-02-29 2013-09-04 Mettler-Toledo AG Wägezelle nach dem Prinzip der magnetischen Kraftkompensation mit optoelektronischem Positionssensor
DE202012013012U1 (de) 2012-02-29 2014-08-01 Mettler-Toledo Ag Wägezelle nach dem Prinzip der magnetischen Kraftkompensation mit optoelektronischem Positionssensor
DE102013103791B4 (de) 2013-04-16 2015-07-09 Sartorius Lab Instruments Gmbh & Co. Kg Monolithisches Wägesystem

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1221859A (fr) * 1959-01-16 1960-06-07 Saint Gobain Perfectionnement aux balances à ressort, notamment du type mac bain
GB982091A (en) * 1960-06-17 1965-02-03 Amf Internat Ltd Improvements in and relating to means for measuring forces
US3469102A (en) * 1966-09-27 1969-09-23 Canadair Ltd Drift angle meter for measuring the drift angle of aircraft
US3421594A (en) * 1966-11-03 1969-01-14 Kubota Iron & Machinery Works Weighing apparatus

Also Published As

Publication number Publication date
FR2198131B1 (enExample) 1976-04-30
FR2198131A1 (enExample) 1974-03-29
DE2243379B1 (de) 1973-08-09
DE2243379A1 (enExample) 1973-08-09
US3805907A (en) 1974-04-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee