BE397007A - - Google Patents

Info

Publication number
BE397007A
BE397007A BE397007DA BE397007A BE 397007 A BE397007 A BE 397007A BE 397007D A BE397007D A BE 397007DA BE 397007 A BE397007 A BE 397007A
Authority
BE
Belgium
Application number
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.)
Publication of BE397007A publication Critical patent/BE397007A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/30—Material containing basic nitrogen containing amide groups furs feathers, dead hair, furskins, pelts
    • D06P3/305—Material containing basic nitrogen containing amide groups furs feathers, dead hair, furskins, pelts with oxidation dyes

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
BE397007D 1931-12-29 BE397007A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE397007X 1931-12-29

Publications (1)

Publication Number Publication Date
BE397007A true BE397007A (fr)

Family

ID=6397128

Family Applications (1)

Application Number Title Priority Date Filing Date
BE397007D BE397007A (fr) 1931-12-29

Country Status (3)

Country Link
US (1) US1993783A (fr)
BE (1) BE397007A (fr)
GB (1) GB397007A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589240A (en) * 1945-04-07 1952-03-18 William E Frye Double pulse generator
US2656467A (en) * 1950-08-21 1953-10-20 North American Aviation Inc Crystal oscillator
US3434051A (en) * 1964-03-25 1969-03-18 Litton Systems Inc Crystal controlled transducer coupling circuit
US4233574A (en) * 1977-07-15 1980-11-11 Hitachi, Ltd. Oscillation circuit
EP2266432B1 (fr) * 2002-09-27 2019-08-21 Colgate-Palmolive Company Brosse à dents

Also Published As

Publication number Publication date
GB397007A (en) 1933-08-17
US1993783A (en) 1935-03-12

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