DE2121414A1 - Vorrichtung zur Feststellung der Relativgeschwindigkeit der Oberflächen zweier bewegter Elemente - Google Patents

Vorrichtung zur Feststellung der Relativgeschwindigkeit der Oberflächen zweier bewegter Elemente

Info

Publication number
DE2121414A1
DE2121414A1 DE19712121414 DE2121414A DE2121414A1 DE 2121414 A1 DE2121414 A1 DE 2121414A1 DE 19712121414 DE19712121414 DE 19712121414 DE 2121414 A DE2121414 A DE 2121414A DE 2121414 A1 DE2121414 A1 DE 2121414A1
Authority
DE
Germany
Prior art keywords
loop
speed
elements
light
endless
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.)
Pending
Application number
DE19712121414
Other languages
German (de)
English (en)
Inventor
Raymond George Fairport N.Y. Ticknor (V.St.A.)
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of DE2121414A1 publication Critical patent/DE2121414A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/23—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
    • G03G15/231—Arrangements for copying on both sides of a recording or image-receiving material
    • G03G15/238—Arrangements for copying on both sides of a recording or image-receiving material using more than one reusable electrographic recording member, e.g. single pass duplex copiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Counters In Electrophotography And Two-Sided Copying (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
DE19712121414 1970-05-01 1971-04-30 Vorrichtung zur Feststellung der Relativgeschwindigkeit der Oberflächen zweier bewegter Elemente Pending DE2121414A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3356670A 1970-05-01 1970-05-01

Publications (1)

Publication Number Publication Date
DE2121414A1 true DE2121414A1 (de) 1971-11-25

Family

ID=21871159

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712121414 Pending DE2121414A1 (de) 1970-05-01 1971-04-30 Vorrichtung zur Feststellung der Relativgeschwindigkeit der Oberflächen zweier bewegter Elemente

Country Status (5)

Country Link
US (1) US3694712A (cg-RX-API-DMAC7.html)
JP (1) JPS5424297B1 (cg-RX-API-DMAC7.html)
CA (1) CA976641A (cg-RX-API-DMAC7.html)
DE (1) DE2121414A1 (cg-RX-API-DMAC7.html)
GB (1) GB1339506A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0241782A1 (en) * 1986-04-03 1987-10-21 Asea Ab Method and device for speed difference measurement in strip casting

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513898A (en) * 1982-03-22 1985-04-30 Centronics Data Computer Corp. Web loop control apparatus and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2147467A (en) * 1937-12-17 1939-02-14 Westinghouse Electric & Mfg Co Loop regulator
US2432876A (en) * 1945-07-02 1947-12-16 Westinghouse Electric Corp Control system
US3092764A (en) * 1961-06-08 1963-06-04 Gen Electric Photoelectric tension sensing motor control circuit
US3411825A (en) * 1967-01-20 1968-11-19 Loyd R. Fulton Dump-body accessory for pick-up truck
US3497158A (en) * 1968-03-27 1970-02-24 Cons Electrodynamics Corp Tape tension sensor
US3584805A (en) * 1969-03-24 1971-06-15 Recortec Inc Tape transport apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0241782A1 (en) * 1986-04-03 1987-10-21 Asea Ab Method and device for speed difference measurement in strip casting

Also Published As

Publication number Publication date
US3694712A (en) 1972-09-26
CA976641A (en) 1975-10-21
JPS5424297B1 (cg-RX-API-DMAC7.html) 1979-08-20
GB1339506A (en) 1973-12-05

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