NL72090C - - Google Patents

Info

Publication number
NL72090C
NL72090C NL72090DA NL72090C NL 72090 C NL72090 C NL 72090C NL 72090D A NL72090D A NL 72090DA NL 72090 C NL72090 C NL 72090C
Authority
NL
Netherlands
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 NL72090C publication Critical patent/NL72090C/xx

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
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/09—Elastic or damping supports
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
NL72090D 1944-03-28 NL72090C (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US528388A US2392429A (en) 1944-03-28 1944-03-28 Piezoelectric crystal apparatus

Publications (1)

Publication Number Publication Date
NL72090C true NL72090C (sv)

Family

ID=24105487

Family Applications (2)

Application Number Title Priority Date Filing Date
NL133060D NL133060B (sv) 1944-03-28
NL72090D NL72090C (sv) 1944-03-28

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL133060D NL133060B (sv) 1944-03-28

Country Status (5)

Country Link
US (1) US2392429A (sv)
CH (1) CH269634A (sv)
FR (1) FR950530A (sv)
GB (1) GB630394A (sv)
NL (2) NL72090C (sv)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE462051A (sv) * 1944-11-21
BE476120A (sv) * 1945-01-23
US2447160A (en) * 1945-10-22 1948-08-17 Philips Lab Inc Piezoelectric apparatus
US2482661A (en) * 1946-08-15 1949-09-20 Rca Corp Crystal mounting
US2508232A (en) * 1947-02-13 1950-05-16 Reeves Hoffman Corp Holder for piezoelectric oscillators
US2484428A (en) * 1947-07-15 1949-10-11 Melvin L Smith Piezoelectric crystal mounting
US2481806A (en) * 1947-08-07 1949-09-13 John M Wolfskill Piezoelectric crystal holder
US2635199A (en) * 1948-01-08 1953-04-14 John M Wolfskill Piezoelectric crystal apparatus
US2656473A (en) * 1950-05-24 1953-10-20 Bell Telephone Labor Inc Crystal unit for use at high temperatures
US2824980A (en) * 1952-03-14 1958-02-25 Erie Resistor Corp Piezoelectric transducers
US2765765A (en) * 1952-09-03 1956-10-09 Robert R Bigler Apparatus for the manufacture of piezoelectric crystals
US2850651A (en) * 1954-03-02 1958-09-02 P R Hoffman Company Piezoelectric crystal support
US2894317A (en) * 1954-06-07 1959-07-14 Spence T Marks Method for constructing a barium titanate blast velocity gauge
US2824981A (en) * 1954-11-03 1958-02-25 Walter J Warden Piezoelectric crystal holder
US2824219A (en) * 1954-11-08 1958-02-18 Midland Mfg Co Inc Piezoelectric crystal assembly
US2852416A (en) * 1955-06-03 1958-09-16 Itt Method and apparatus for manufacturing travelling wave electron discharge devices
US2856549A (en) * 1955-06-06 1958-10-14 Int Standard Electric Corp Method of mounting piezo-electric crystals
US2972068A (en) * 1956-07-06 1961-02-14 Automation Instr Inc Uni-directional ultrasonic transducer
US3054004A (en) * 1957-06-24 1962-09-11 Vitro Corp Of America Piezoelectric crystal holder
GB848028A (en) * 1957-12-24 1960-09-14 Marconi Wireless Telegraph Co Improvements in or relating to piezo-electric crystal units
US2965773A (en) * 1957-12-31 1960-12-20 Hill Electronic Engineering An Crystal mounting structure with damping means
US3069572A (en) * 1958-12-02 1962-12-18 James Knights Company Piezoelectric device
DE1158127B (de) * 1959-02-26 1963-11-28 Kristallverarbeitung Neckarbis Bodenplatte mit Stromzufuehrungen fuer ein vakuumdichtes Quarzgefaess
US3162780A (en) * 1961-04-10 1964-12-22 Philips Corp Piezo-electrical quartz crystal in evacuated glass housings
US3232787A (en) * 1961-05-08 1966-02-01 Donald C Bennett Bistable magnetic film and method for making same
US3333122A (en) * 1964-01-09 1967-07-25 Motorola Inc Electrical device
US3317761A (en) * 1964-05-12 1967-05-02 Bell Telephone Labor Inc Resonant and antiresonant vibratory members attached to a crystal
US3340410A (en) * 1964-08-05 1967-09-05 Wave Lock Inc Piezoelectric crystal assembly
US3617331A (en) * 1964-08-25 1971-11-02 Optical Coating Laboratory Inc Method for manufacture of rotatable variable filter
US3676741A (en) * 1970-12-09 1972-07-11 Bell Telephone Labor Inc Semiconductor target structure for image converting device comprising an array of silver contacts having discontinuous nodular structure
US4284663A (en) * 1976-05-10 1981-08-18 Bell Telephone Laboratories, Incorporated Fabrication of optical waveguides by indiffusion of metals
US4060888A (en) * 1976-06-29 1977-12-06 Tyco Filters Division, Inc. Method of improving ohmic contact through high-resistance oxide film
DE8120939U1 (de) * 1981-07-16 1981-11-26 SIEMENS AG AAAAA, 1000 Berlin und 8000 München Halte- und anschlussvorrichtung fuer einen scheibenfoermigen piezoelektrischen resonator
GB2132816B (en) * 1982-12-23 1987-09-03 Kung Chao Tung Quartz oscillators
US5283496A (en) * 1988-07-20 1994-02-01 Asahi Dempa Co., Ltd. Thickness shear crystal resonator and manufacturing method therefor
CN103368458B (zh) * 2012-11-30 2016-01-20 北京纳米能源与系统研究所 脉冲发电机和发电机组
US9941641B1 (en) * 2017-06-01 2018-04-10 Amphenol East Asia Electronic Technology (Shen Zhen) Co., Ltd. Male connector

Also Published As

Publication number Publication date
NL133060B (sv)
CH269634A (de) 1950-07-15
US2392429A (en) 1946-01-08
GB630394A (en) 1949-10-12
FR950530A (fr) 1949-09-29

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