NL179859C - Akoestische oppervalktegolfinrichting. - Google Patents

Akoestische oppervalktegolfinrichting.

Info

Publication number
NL179859C
NL179859C NLAANVRAGE7515032,A NL7515032A NL179859C NL 179859 C NL179859 C NL 179859C NL 7515032 A NL7515032 A NL 7515032A NL 179859 C NL179859 C NL 179859C
Authority
NL
Netherlands
Prior art keywords
wave device
surface wave
acoustic surface
acoustic
wave
Prior art date
Application number
NLAANVRAGE7515032,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7515032A (nl
NL179859B (nl
Original Assignee
Hazeltine 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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of NL7515032A publication Critical patent/NL7515032A/xx
Publication of NL179859B publication Critical patent/NL179859B/xx
Application granted granted Critical
Publication of NL179859C publication Critical patent/NL179859C/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
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/02551—Characteristics of substrate, e.g. cutting angles of quartz substrates

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
NLAANVRAGE7515032,A 1974-12-23 1975-12-23 Akoestische oppervalktegolfinrichting. NL179859C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/535,890 US3995240A (en) 1974-12-23 1974-12-23 Temperature compensated surface wave device

Publications (3)

Publication Number Publication Date
NL7515032A NL7515032A (nl) 1976-06-25
NL179859B NL179859B (nl) 1986-06-16
NL179859C true NL179859C (nl) 1986-11-17

Family

ID=24136221

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7515032,A NL179859C (nl) 1974-12-23 1975-12-23 Akoestische oppervalktegolfinrichting.

Country Status (7)

Country Link
US (1) US3995240A (xx)
JP (2) JPS5189366A (xx)
CA (1) CA1049647A (xx)
DE (1) DE2557603A1 (xx)
FR (1) FR2296306A1 (xx)
GB (1) GB1527245A (xx)
NL (1) NL179859C (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070502A (en) * 1976-05-05 1978-01-24 Vig John R Method of treating piezoelectric resonators
GB1591624A (en) * 1977-01-24 1981-06-24 Secr Defence Acoustic wave devices
JPS53145595A (en) * 1977-05-25 1978-12-18 Nippon Telegr & Teleph Corp <Ntt> Elastic surface wave oscillator
GB2026804B (en) * 1978-05-24 1982-09-08 Secr Defence Surface acoustic wave devices
JPS5642420A (en) * 1979-09-13 1981-04-20 Morio Onoe Piezoelectric vibrator
JPS594310A (ja) * 1982-06-30 1984-01-11 Toshiba Corp 弾性表面波装置
US4602182A (en) * 1984-05-25 1986-07-22 The United States Of America As Represented By The Secretary Of The Air Force X33 cut quartz for temperature compensated SAW devices
US4705979A (en) * 1985-06-26 1987-11-10 Schlumberger Technology Corporation Stress and temperature compensated surface acoustic wave devices
US4670680A (en) * 1986-07-29 1987-06-02 R. F. Monolithics, Inc. Doubly rotated orientations of cut angles for quartz crystal for novel surface acoustic wave devices
US5051645A (en) * 1990-01-30 1991-09-24 Johnson Service Company Acoustic wave H2 O phase-change sensor capable of self-cleaning and distinguishing air, water, dew, frost and ice
EP2395661A1 (fr) 2010-06-10 2011-12-14 The Swatch Group Research and Development Ltd. Résonateur thermocompensé aux premier et second ordres

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818382A (en) * 1970-10-20 1974-06-18 Raytheon Co Surface wave delay line structures having reduced temperature coefficient of delay time
US3786373A (en) * 1971-10-01 1974-01-15 Raytheon Co Temperature compensated acoustic surface wave device
US3727155A (en) * 1972-03-20 1973-04-10 Zenith Radio Corp Acoustic surface wave filter
US3845420A (en) * 1973-03-02 1974-10-29 Raytheon Co Surface acoustic wave phase control device

Also Published As

Publication number Publication date
JPS5917631U (ja) 1984-02-02
FR2296306B1 (xx) 1982-02-12
US3995240A (en) 1976-11-30
DE2557603A1 (de) 1976-07-01
JPS5942750Y2 (ja) 1984-12-15
JPS5189366A (xx) 1976-08-05
NL7515032A (nl) 1976-06-25
CA1049647A (en) 1979-02-27
NL179859B (nl) 1986-06-16
GB1527245A (en) 1978-10-04
FR2296306A1 (fr) 1976-07-23

Similar Documents

Publication Publication Date Title
NL7501893A (nl) Sonarinrichting.
NL185120C (nl) Resonatorinrichting voor oppervlaktegolven.
SE410141B (sv) Ultraljudsanordning
NL186058C (nl) Microfooninrichting.
NL7416835A (nl) Geluidsabsorberende inrichting.
NL7507711A (nl) Akoestische oppervlaktegolf-inrichting.
SE7409425L (sv) Frekvenstransformationsanordning.
NL7506585A (nl) Akoestisch film-op-schuimlaminaat.
NL7514959A (nl) Akoestisch oppervlaktefilter.
NL7509774A (nl) Acoustische oppervlaktegolf-inrichting.
NL7508328A (nl) Acoustische afbeeldinrichting.
NL7507698A (nl) Oppervlaktegolfinrichting.
NL7612076A (nl) Temperatuur-stabiele akoestische oppervlakte- golfinrichting.
NL181542C (nl) Inrichting werkend met akoestische oppervlaktegolven.
NL183330C (nl) Inrichting werkend met akoestische oppervlaktegolven.
NL7416771A (nl) Akoestische testinrichting.
FR2293844A1 (fr) Transducteur acoustique
NL7701845A (nl) Akoestische-oppervlaktegolfinrichting.
NL7512259A (nl) Piezo-electrische kristaleenheid.
NL179859C (nl) Akoestische oppervalktegolfinrichting.
FR2278217A1 (fr) Transducteur acoustique
SE412310B (sv) Anordning for ultraljud - eko - encefalografi
BR7503422A (pt) Dispositivo aperfeicoado de emissao de ondas mecanicas
NL7507463A (nl) Akoestisch oppervlaktegolf-filter.
NL7513393A (nl) Schoonmaakinrichting.

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee