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Class Information
Number: 330/5.5
Name: Amplifiers > With solid element wave propagating amplifying device > Phonon type (e.g., ultrasonic wave propagating device)
Description: Subject matter wherein the solid-state means is adapted to propagate and amplify signal waves in the form of acoustic, ultrasonic or hypersonic elastic waves of the phonon type.










Patents under this class:

Patent Number Title Of Patent Date Issued
6028484 Ultrasound apparatus and method for amplifying transmit signals Feb. 22, 2000
5714917 Device incorporating a tunable thin film bulk acoustic resonator for performing amplitude and phase modulation Feb. 3, 1998
4928069 Amplifying surface wave receiver May. 22, 1990
4839607 Frequency-doubling amplifying surface wave receiver Jun. 13, 1989
4636678 Compensation of acoustic wave devices Jan. 13, 1987
4543533 Parametric amplifier Sep. 24, 1985
4471255 Surface acoustic wave parametric device Sep. 11, 1984
4426732 Receiver having a surface elastic wave high frequency amplifier with a frequency-controlled pump oscillator Jan. 17, 1984
4365216 Surface-acoustic-wave device Dec. 21, 1982
4357553 Surface-acoustic-wave device Nov. 2, 1982
4333344 System and method for testing the reaction of rare earth ions Jun. 8, 1982
4288765 Frequency selector apparatus Sep. 8, 1981
4233530 Elastic surface wave device Nov. 11, 1980
4197483 Submillimeter wave generation using surface acoustic waves in piezoelectric materials Apr. 8, 1980
4088969 Tapped surface acoustic wave delay line May. 9, 1978
4055816 Voltage stress stabilized saw device Oct. 25, 1977
4054851 Acoustic surface-wave filter Oct. 18, 1977
4025876 Distributed feedback acoustic surface wave oscillator May. 24, 1977
4017751 Elastic volume wave convolution device Apr. 12, 1977
4016513 Surface wave convolver apparatus Apr. 5, 1977
3990021 Surface wave multifrequency oscillator Nov. 2, 1976
3979697 Frequency modulated saw oscillator Sep. 7, 1976











 
 
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