(under the class definition) Processes for using sound waves or a compressive force (wherein the means producing the compression does not touch the image receiver) to form or otherwise perfect the image.
SEE OR SEARCH CLASS
73, Measuring and Testing,
570+, for vibration measuring and testing, especially subclasses 632+ for sonic wave apparatus.
116, Signals and Indicators,
2, for the use of ultrasonic device for diagnostic purposes which may include taking a picture with sound.
367, Communications, Electrical: Acoustic Wave Systems and Devices, 7+, for electro acoustic imaging systems.
