FR945197A - Perfectionnements aux vibrateurs électromécaniques - Google Patents

Perfectionnements aux vibrateurs électromécaniques

Info

Publication number
FR945197A
FR945197A FR945197DA FR945197A FR 945197 A FR945197 A FR 945197A FR 945197D A FR945197D A FR 945197DA FR 945197 A FR945197 A FR 945197A
Authority
FR
France
Prior art keywords
electromechanical vibrators
vibrators
electromechanical
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
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio 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 Zenith Radio Corp filed Critical Zenith Radio Corp
Application granted granted Critical
Publication of FR945197A publication Critical patent/FR945197A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/22—Constructional features of resonators consisting of magnetostrictive material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/08—Heel stiffeners; Toe stiffeners
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/16—Overshoes
    • 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
    • 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
    • Y10S36/00—Boots, shoes, and leggings
    • Y10S36/02—Plastic

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
FR945197D 1945-11-13 1947-04-15 Perfectionnements aux vibrateurs électromécaniques Expired FR945197A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US628118A US2435485A (en) 1945-11-13 1945-11-13 Overshoe seamed to stiffen plastic upper

Publications (1)

Publication Number Publication Date
FR945197A true FR945197A (fr) 1949-04-27

Family

ID=24517551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945197D Expired FR945197A (fr) 1945-11-13 1947-04-15 Perfectionnements aux vibrateurs électromécaniques

Country Status (3)

Country Link
US (1) US2435485A (fr)
BE (1) BE476803A (fr)
FR (1) FR945197A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073967B (de) * 1960-01-21 N V Philips Gloeilampenfabne ken Eindhoven (Niederlande) Anordnung zur kon taktlosen elektronischen Steuerung eines zeithaltenden elektrischen Geräts

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498437A (en) * 1947-07-18 1950-02-21 Goodrich Co B F Flexible boot with front and rear reinforcing strips
US2652637A (en) * 1951-10-12 1953-09-22 Hardman Rena Bell One-piece foldable overshoe
US2795865A (en) * 1954-03-29 1957-06-18 Backiel Mary Protective foot covering
NL7005735A (fr) * 1970-04-21 1971-10-25
GB0520266D0 (en) * 2005-10-05 2005-11-16 Sherman Helen Footwear
US20090229148A1 (en) * 2008-03-14 2009-09-17 Giacoppo Janna M Footwear protectors and methods of production
WO2011150497A1 (fr) * 2010-06-02 2011-12-08 Les Chaussures Stc Inc. Botte en caoutchouc
US10299532B2 (en) * 2012-11-14 2019-05-28 David Cherosky Water-proof protective shoe covering
US10561195B2 (en) * 2014-06-27 2020-02-18 Anthony L. Jurgeto Portable shoe cover apparatus
US20190059503A1 (en) * 2017-08-23 2019-02-28 Drysteppers, LLC Overshoes and methods for manufacturing overshoes
WO2019040803A1 (fr) * 2017-08-23 2019-02-28 Drysteppers, LLC Couvre-chaussures et procédés de fabrication de couvre-chaussures
USD988702S1 (en) * 2020-09-02 2023-06-13 Us Footwear Holdings Llc Boot
US20240156202A1 (en) * 2022-11-16 2024-05-16 Janine McCallum Shoe Covering Device And Method Of Use

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US39865A (en) * 1863-09-08 Improvement in water-proof boots and shoes
US133826A (en) * 1872-12-10 Improvement in seams for boots and shoes
US1208772A (en) * 1915-06-18 1916-12-19 Candee & Company L Heelless overshoe.
US1604954A (en) * 1925-09-21 1926-11-02 Artz Mary Frost Overshoe
US1823518A (en) * 1926-01-11 1931-09-15 Hookless Fastener Co Combined stocking protector and overshoe
US1601672A (en) * 1926-04-29 1926-09-28 Crosse Rubber Mills Co Shoe upper seam and process of forming same
US1717690A (en) * 1926-12-11 1929-06-18 Wiard B Ihnen Transparent foldable footwear
US1717790A (en) * 1928-01-24 1929-06-18 Goodrich Co B F Slide-fastener overshoe
US1724450A (en) * 1928-04-11 1929-08-13 Archer Rubber Company Slipper and method of making same
US2250794A (en) * 1939-08-12 1941-07-29 Margaret B Finegan Hosiery protector
US2347191A (en) * 1941-08-21 1944-04-25 G A Kjosness Protective footwear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073967B (de) * 1960-01-21 N V Philips Gloeilampenfabne ken Eindhoven (Niederlande) Anordnung zur kon taktlosen elektronischen Steuerung eines zeithaltenden elektrischen Geräts

Also Published As

Publication number Publication date
US2435485A (en) 1948-02-03
BE476803A (fr)

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