EP0908278A3 - Method for determining the quantity of the cutting material cut by an electrically driven cutting tool as well as arrangement for carrying out the method - Google Patents

Method for determining the quantity of the cutting material cut by an electrically driven cutting tool as well as arrangement for carrying out the method Download PDF

Info

Publication number
EP0908278A3
EP0908278A3 EP98114058A EP98114058A EP0908278A3 EP 0908278 A3 EP0908278 A3 EP 0908278A3 EP 98114058 A EP98114058 A EP 98114058A EP 98114058 A EP98114058 A EP 98114058A EP 0908278 A3 EP0908278 A3 EP 0908278A3
Authority
EP
European Patent Office
Prior art keywords
cutting tool
determining
material cut
arrangement
carrying
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.)
Granted
Application number
EP98114058A
Other languages
German (de)
French (fr)
Other versions
EP0908278B1 (en
EP0908278A2 (en
Inventor
Jochen Cimbal
Günther Bergk
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.)
Braun GmbH
Original Assignee
Braun 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 Braun GmbH filed Critical Braun GmbH
Publication of EP0908278A2 publication Critical patent/EP0908278A2/en
Publication of EP0908278A3 publication Critical patent/EP0908278A3/en
Application granted granted Critical
Publication of EP0908278B1 publication Critical patent/EP0908278B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3873—Electric features; Charging; Computing devices
    • B26B19/388—Sensors; Control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/22—Safety devices specially adapted for cutting machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The invention is directed to a method and a circuit arrangement for determining the quantity of the material cut by an electrically powered cutting tool. According to the present invention, the fluctuations of the current consumed by a drive motor are detected, filtered and evaluated. By a comparison with a reference value, it is possible to determine the soiling of the cutting tool with cut residues. The invention is particularly suitable for use in shaving apparatus.
EP98114058A 1997-10-04 1998-07-28 Method for determining the quantity of the cutting material cut by an electrically driven cutting tool and hair cutting tool with means for the execution of the method Expired - Lifetime EP0908278B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19743853 1997-10-04
DE19743853A DE19743853C1 (en) 1997-10-04 1997-10-04 Method of determining amount of material cut by electrically powered cutting tool esp. saving apparatus

Publications (3)

Publication Number Publication Date
EP0908278A2 EP0908278A2 (en) 1999-04-14
EP0908278A3 true EP0908278A3 (en) 1999-09-15
EP0908278B1 EP0908278B1 (en) 2003-03-19

Family

ID=7844569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98114058A Expired - Lifetime EP0908278B1 (en) 1997-10-04 1998-07-28 Method for determining the quantity of the cutting material cut by an electrically driven cutting tool and hair cutting tool with means for the execution of the method

Country Status (11)

Country Link
US (1) US6072399A (en)
EP (1) EP0908278B1 (en)
JP (1) JP4141546B2 (en)
KR (1) KR100582874B1 (en)
CN (1) CN1280072C (en)
AT (1) ATE234709T1 (en)
DE (2) DE19743853C1 (en)
DK (1) DK0908278T3 (en)
ES (1) ES2196434T3 (en)
HK (1) HK1017302A1 (en)
RU (1) RU2214906C2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8627573B2 (en) * 2002-10-05 2014-01-14 Braun Gmbh Hair-removing device
DE102006038126A1 (en) * 2006-08-14 2008-02-21 Braun Gmbh Method for determining the contamination of an electrically driven cutting tool and hair clipper
EP1952956A1 (en) * 2007-02-02 2008-08-06 Müller Martini Holding AG Device for cutting printed products fed in an overlapping formation
CN106457582B (en) * 2014-06-20 2019-02-26 皇家飞利浦有限公司 Electric shaver with cleaning indicator
WO2018099932A1 (en) * 2016-12-01 2018-06-07 Koninklijke Philips N.V. Hair cutting apparatus comprising a current detector
RU2732394C9 (en) 2016-12-01 2021-05-05 Конинклейке Филипс Н.В. Hair cutting device comprising indicator light
CN109895147B (en) * 2019-03-08 2021-05-11 美国华尔推剪公司 Rotating speed control device of electric hair cutter and control method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274735A (en) * 1991-12-16 1993-12-28 Sanyo Electric Co., Ltd. Electric shaver
US5600888A (en) * 1992-02-17 1997-02-11 Payer Elecktroprodukte Gesellschaft M.B.H. Electric razor
DE19606719A1 (en) * 1996-02-23 1997-08-28 Braun Ag Method for determining the contamination of a shaver and device for carrying out the method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846688A (en) * 1973-07-18 1974-11-05 Electron Inc Machine work sensor
DE2517001A1 (en) * 1975-04-17 1976-10-21 Buderus Eisenwerk METHOD AND DEVICE FOR CONTROLLING THE FEED OF A GRINDING WHEEL
DE2658477A1 (en) * 1976-12-23 1978-06-29 Teldix Gmbh DEVICE FOR MONITORING INQUALITIES AND / OR STRUCTURAL CHANGES IN THE THREAD OF AN OE SPINNING TURBINE
DE2755647A1 (en) * 1977-12-14 1979-06-28 Teldix Gmbh DEVICE FOR MONITORING THE THREAD OF AN OE SPINNING TURBINE
JP2936139B2 (en) * 1989-03-15 1999-08-23 九州日立マクセル株式会社 Electrical equipment
NL8903065A (en) * 1989-12-14 1991-07-01 Philips Nv ELECTRIC RAZOR.
JPH04314487A (en) * 1991-04-15 1992-11-05 Matsushita Electric Works Ltd Electric razor
DE19534464C1 (en) * 1995-09-16 1996-12-05 Rowenta Werke Gmbh Device preventing dryout of electromagnetic oscillating-piston pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274735A (en) * 1991-12-16 1993-12-28 Sanyo Electric Co., Ltd. Electric shaver
US5600888A (en) * 1992-02-17 1997-02-11 Payer Elecktroprodukte Gesellschaft M.B.H. Electric razor
DE19606719A1 (en) * 1996-02-23 1997-08-28 Braun Ag Method for determining the contamination of a shaver and device for carrying out the method

Also Published As

Publication number Publication date
DE59807528D1 (en) 2003-04-24
ATE234709T1 (en) 2003-04-15
JP4141546B2 (en) 2008-08-27
KR100582874B1 (en) 2006-09-27
KR19990036630A (en) 1999-05-25
ES2196434T3 (en) 2003-12-16
RU2214906C2 (en) 2003-10-27
JPH11165298A (en) 1999-06-22
HK1017302A1 (en) 1999-11-19
DE19743853C1 (en) 1998-11-26
EP0908278B1 (en) 2003-03-19
CN1213600A (en) 1999-04-14
CN1280072C (en) 2006-10-18
DK0908278T3 (en) 2003-06-23
US6072399A (en) 2000-06-06
EP0908278A2 (en) 1999-04-14

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