NL174585B - Elektro-akoestische vierkristaltaster en werkwijze voor de toepassing hiervan. - Google Patents

Elektro-akoestische vierkristaltaster en werkwijze voor de toepassing hiervan.

Info

Publication number
NL174585B
NL174585B NLAANVRAGE7808227,B NL174585DB NL174585B NL 174585 B NL174585 B NL 174585B NL 174585D B NL174585D B NL 174585DB NL 174585 B NL174585 B NL 174585B
Authority
NL
Netherlands
Prior art keywords
taster
electro
acoustic
procedure
application
Prior art date
Application number
NLAANVRAGE7808227,B
Other languages
English (en)
Dutch (nl)
Original Assignee
Roentgen Tech Dienst Bv
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 NL174585B publication Critical patent/NL174585B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/429—Natural polymers
    • H01M50/4295—Natural cotton, cellulose or wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0421—Longitudinal waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/106—Number of transducers one or more transducer arrays
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
NLAANVRAGE7808227,B 1952-12-13 Elektro-akoestische vierkristaltaster en werkwijze voor de toepassing hiervan. NL174585B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1089343X 1952-12-13

Publications (1)

Publication Number Publication Date
NL174585B true NL174585B (nl)

Family

ID=19868830

Family Applications (2)

Application Number Title Priority Date Filing Date
NL78845D NL78845C (OSRAM) 1952-12-13
NLAANVRAGE7808227,B NL174585B (nl) 1952-12-13 Elektro-akoestische vierkristaltaster en werkwijze voor de toepassing hiervan.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL78845D NL78845C (OSRAM) 1952-12-13

Country Status (4)

Country Link
BE (1) BE524965A (OSRAM)
FR (1) FR1089343A (OSRAM)
LU (1) LU32556A1 (OSRAM)
NL (2) NL174585B (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925456A (en) * 1956-05-14 1960-02-16 Accumulatorenfabriek Varta N V Separator for electric accumulators

Also Published As

Publication number Publication date
NL78845C (OSRAM)
LU32556A1 (OSRAM)
BE524965A (OSRAM)
FR1089343A (fr) 1955-03-16

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