CA952211A - Photocell checking circuit for optical weighing scale - Google Patents

Photocell checking circuit for optical weighing scale

Info

Publication number
CA952211A
CA952211A CA089,469A CA89469A CA952211A CA 952211 A CA952211 A CA 952211A CA 89469 A CA89469 A CA 89469A CA 952211 A CA952211 A CA 952211A
Authority
CA
Canada
Prior art keywords
photocell
weighing scale
checking circuit
optical weighing
optical
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
CA089,469A
Other languages
English (en)
Other versions
CA89469S (en
Inventor
Kenneth C. Allen
Edwin E. Boshinski
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.)
Hobart Manfacturing Co
Original Assignee
Hobart Manfacturing 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.)
Filing date
Publication date
Application filed by Hobart Manfacturing Co filed Critical Hobart Manfacturing Co
Application granted granted Critical
Publication of CA952211A publication Critical patent/CA952211A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Optical Transform (AREA)
CA089,469A 1969-09-15 1970-07-29 Photocell checking circuit for optical weighing scale Expired CA952211A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85776169A 1969-09-15 1969-09-15

Publications (1)

Publication Number Publication Date
CA952211A true CA952211A (en) 1974-07-30

Family

ID=25326690

Family Applications (1)

Application Number Title Priority Date Filing Date
CA089,469A Expired CA952211A (en) 1969-09-15 1970-07-29 Photocell checking circuit for optical weighing scale

Country Status (6)

Country Link
US (1) US3556235A (xx)
CA (1) CA952211A (xx)
DE (1) DE2043881C3 (xx)
FR (1) FR2061397A5 (xx)
GB (1) GB1326063A (xx)
NL (1) NL7012429A (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1482567A (en) * 1973-10-29 1977-08-10 Xenex Corp Presence detecting system with self-checking
FR2310549A1 (fr) * 1975-05-07 1976-12-03 Sagem Perfectionnements aux dispositifs optiques de determination de la position d'un organe mobile
US4091449A (en) * 1976-01-27 1978-05-23 Hobart Corporation Computing scale system
US4136504A (en) * 1976-09-10 1979-01-30 Ihor Wyslotsky Slicing method
US4385234A (en) * 1980-11-25 1983-05-24 Bei Electronics, Inc. Optical systems for optical encoders
JPS58143221A (ja) * 1982-02-22 1983-08-25 Ishida Scales Mfg Co Ltd 電子秤の作動モ−ド選択方法及びその方法を用いた電子秤
US20040256163A1 (en) * 2003-06-23 2004-12-23 Thomson Robert K. Optical scale

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797614A (en) * 1953-04-21 1957-07-02 Heidenhain Johannes Projection measuring arrangement with transverse scale
US3042128A (en) * 1957-05-08 1962-07-03 Toledo Scale Corp Condition responsive device with motion detecting means
US3038080A (en) * 1960-03-14 1962-06-05 Gen Telephone & Elect Photoluminescent logic circuit for selectively energizing plural output lines in response to input voltage level
US3044691A (en) * 1960-06-24 1962-07-17 Hobart Mfg Co Computing scale
CA836137A (en) * 1963-05-03 1970-03-03 Westinghouse Electric Corporation Current responsive apparatus for high voltage circuits
US3447617A (en) * 1965-02-01 1969-06-03 Reliance Electric & Eng Co Control circuitry for discriminating price computation

Also Published As

Publication number Publication date
DE2043881A1 (de) 1971-04-08
GB1326063A (en) 1973-08-08
DE2043881C3 (de) 1978-05-24
DE2043881B2 (de) 1977-09-29
US3556235A (en) 1971-01-19
FR2061397A5 (xx) 1971-06-18
NL7012429A (xx) 1971-03-17

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