BE749797A - ULTRA-SOUND TRANSMISSION MEDIUM WITH ZERO DELAY VARIATION COEFFICIENT AND HIGH TEMPORAL STABILITY - Google Patents

ULTRA-SOUND TRANSMISSION MEDIUM WITH ZERO DELAY VARIATION COEFFICIENT AND HIGH TEMPORAL STABILITY

Info

Publication number
BE749797A
BE749797A BE749797DA BE749797A BE 749797 A BE749797 A BE 749797A BE 749797D A BE749797D A BE 749797DA BE 749797 A BE749797 A BE 749797A
Authority
BE
Belgium
Prior art keywords
ultra
transmission medium
sound transmission
variation coefficient
delay variation
Prior art date
Application number
Other languages
French (fr)
Inventor
J T Krause
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE749797A publication Critical patent/BE749797A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0057—Compositions for glass with special properties for ultrasonic delay lines glass
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/36—Time-delay networks with non-adjustable delay time

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Glass Compositions (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
BE749797D 1969-05-05 1970-04-30 ULTRA-SOUND TRANSMISSION MEDIUM WITH ZERO DELAY VARIATION COEFFICIENT AND HIGH TEMPORAL STABILITY BE749797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82169369A 1969-05-05 1969-05-05

Publications (1)

Publication Number Publication Date
BE749797A true BE749797A (en) 1970-10-01

Family

ID=25234064

Family Applications (1)

Application Number Title Priority Date Filing Date
BE749797D BE749797A (en) 1969-05-05 1970-04-30 ULTRA-SOUND TRANSMISSION MEDIUM WITH ZERO DELAY VARIATION COEFFICIENT AND HIGH TEMPORAL STABILITY

Country Status (7)

Country Link
US (1) US3651431A (en)
JP (1) JPS4946128B1 (en)
BE (1) BE749797A (en)
DE (1) DE2022046B2 (en)
FR (1) FR2047280A5 (en)
GB (1) GB1304712A (en)
NL (1) NL7006344A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7018029A (en) * 1969-12-22 1971-06-24
JPS5341526U (en) * 1976-09-14 1978-04-10

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL135270C (en) * 1961-06-19
FR1383962A (en) * 1962-11-30 1965-01-04 Western Electric Co Ultrasonic delay line
NL142547B (en) * 1965-04-15 1974-06-17 Philips Nv ACOUSTIC DELAY LINE.

Also Published As

Publication number Publication date
DE2022046A1 (en) 1971-04-29
NL7006344A (en) 1970-11-09
GB1304712A (en) 1973-01-31
FR2047280A5 (en) 1971-03-12
JPS4946128B1 (en) 1974-12-07
DE2022046B2 (en) 1971-10-21
US3651431A (en) 1972-03-21

Similar Documents

Publication Publication Date Title
BE750534A (en) FRICTION SURFACE
CH518462A (en) screw
CH466657A (en) Fluid transmission
CH530882A (en) Torque transmission unit
IT960174B (en) FLOATING BENCH OR SIMILAR AND FLOATING UNIT TO BE USED WITH THE SAME
CH505428A (en) Torque limiting device
BE751688A (en) REFLECTIVE SURFACES IMPROVEMENTS
CH510214A (en) Transmission device
AT288506B (en) Microphone holder to dampen friction noise
CH519122A (en) Infinitely adjustable chain transmission
CH517930A (en) Heat pipe
CH512011A (en) Fluid injector
BE749797A (en) ULTRA-SOUND TRANSMISSION MEDIUM WITH ZERO DELAY VARIATION COEFFICIENT AND HIGH TEMPORAL STABILITY
NO136369C (en) DETERGENT MIXTURE WITH REDUCED CORROSION EFFECT ON COPPER AND COPPER-ALLOYING
ES158182Y (en) DETACHABLE JOINTING DEVICE OF TWO PROFILED RIBBED PIECES.
CH509518A (en) screw
CH506728A (en) transmission
BE752360A (en) POLYMERCAPTO-POLYPHOSPHITES AND POLYPHOSPHATES
AT282750B (en) Transducer with adjustable transmission ratio
CH475861A (en) Procédé pour revêtir des surfaces métalliques
AT319450B (en) Power transmission fluid
CH515476A (en) Heat pipe
BE745514A (en) HYPERFREQUENCY ISOLATOR
AT303807B (en) Hydrodynamic transmission
IT943117B (en) PROCEDURE FOR GIVING ANTI-SURE AND FRICTION PROPERTIES TO METALLIC SURFACES