US PATENT CLASS 367
Class Notes


Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES



DEFINITION

Classification: 367/

This is the residual class for the communication of information or intelligence in the form of travelling stresses in an elastic medium which are detected or generated by electric signal handling means wherein the electric signal represents the communicated information or intelligence.

This class provides for subject matter not classifiable elsewhere comprising combinations of acoustic wave transmitters, receivers, and electric signal processors as well as electrical acoustic wave transmitters, receivers, and signal processors, per se, and subcombinations of such devices whose proximate functions are limited to use in acoustic wave communications.

REFERENCES TO OTHER CLASSES

SEE OR SEARCH CLASS

33, Geometrical Instruments, particularly

307, for acoustic wave borehole telemetering combined with gravity or earth's magnetic field responsive means to indicate the direction or inclination of the borehole.

73, Measuring and Testing,

570+, for the measuring and testing of vibration, per se, particularly subclasses 584+ for the measuring and testing of vibration by mechanical (acoustic) waves.

84, Music, 1+, for electrical tone generators combined with electric to acoustic wave energy transducers for use in the production of music.

178, Telegraphy,

31+, for typewriters which automatically type out words in response to spoken words.

181, Acoustics,

101+, for mechanical compressional wave systems for geophysical explorations; subclasses 123+ for miscellaneous mechanical sound echo systems; and subclass 125 for mechanical sound locating devices.

310, Electrical Generator or Motor Structure, for means to convert mechanical energy, including acoustic wave energy, into electric energy, and vice versa not restricted to use in systems and devices of this class (367) type.

340, Communications: Electrical,

384.1+, for electrically actuated audible signalling means; and subclass 621 for acoustic wave liquid level alarms.

342, Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation), appropriate subclasses for radio wave echo systems.

369, Dynamic Information Storage or Retrieval, appropriate subclasses for electrical recording of continuous, audible signals.

379, Telephonic Communications, for means for communicating continuous, audible signals electrically. 434, Education and Demonstration,

2+, for devices relating to instruction in object detecting and ranging systems, e.g., radar or sonar systems.

455, Telecommunications, for the electrical conversion of audible acoustic wave signals to electromagnetic radiation, and vice versa.

505, Superconductor Technology: Apparatus, Material, Process,

150+, for high temperature (Tc 30 K) superconducting device, and particularly subclasses 202+ for electric communication system containing transmitter or receiver of pulse, digital, or electromagnetic radio, television, or radar wave form.

606, Surgery,

2+, for electrical diagnostic devices utilizing ultrasonic acoustic waves.