NL62776C - - Google Patents

Info

Publication number
NL62776C
NL62776C NL62776DA NL62776C NL 62776 C NL62776 C NL 62776C NL 62776D A NL62776D A NL 62776DA NL 62776 C NL62776 C NL 62776C
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 NL62776C publication Critical patent/NL62776C/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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
NL62776D 1939-04-05 NL62776C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US266072A US2227268A (en) 1939-04-05 1939-04-05 Piezoelectric apparatus

Publications (1)

Publication Number Publication Date
NL62776C true NL62776C (en)

Family

ID=23013047

Family Applications (1)

Application Number Title Priority Date Filing Date
NL62776D NL62776C (en) 1939-04-05

Country Status (3)

Country Link
US (1) US2227268A (en)
FR (1) FR863631A (en)
NL (1) NL62776C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2625035A (en) * 1945-12-22 1953-01-13 United Aircraft Corp Supersonic inspection device
DE972215C (en) * 1948-10-16 1959-06-04 Julius Dipl-Ing Lorenz Arrangement for recording the amplitude curve of alternating voltages
US2767336A (en) * 1951-05-22 1956-10-16 David L Arenberg Cement for bonding elements of a delay line with low transmission losses using mixtures of inorganic salts
US2883486A (en) * 1954-03-09 1959-04-21 Bell Telephone Labor Inc Piezoelectric switching device
US2885509A (en) * 1956-03-12 1959-05-05 Erdco Inc Electrostatic relays and controls
NL236375A (en) * 1958-02-21 1900-01-01
US3015708A (en) * 1959-07-02 1962-01-02 Bell Telephone Labor Inc Combined memory storage and switching arrangements
US3285362A (en) * 1959-07-20 1966-11-15 Csf Sound wave radiator devices
US3109153A (en) * 1960-11-18 1963-10-29 Gen Dynamics Corp Adjustable piezoelectric wave filter having two resonance peaks
US3166683A (en) * 1961-05-01 1965-01-19 American Radiator & Standard Scanning bimorph transducer
US3209181A (en) * 1962-09-11 1965-09-28 Philips Corp Temperature-independent transducer
JPS5760528A (en) * 1980-09-30 1982-04-12 Sony Corp Head supporting in recorder and reproducer

Also Published As

Publication number Publication date
FR863631A (en) 1941-04-05
US2227268A (en) 1940-12-31

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