Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 367/114
Name: Communications, electrical: acoustic wave systems and devices > Echo systems > Distance or direction finding > With indicator > Meter
Description: Subject matter in which the display device is a meter of the moving coil type having a coil which pivots between permanent magnets, e.g., a volt meter or ammeter.

Patents under this class:

Patent Number Title Of Patent Date Issued
4420727 Self oscillating acoustic displacement detector Dec. 13, 1983
4323992 Depth sounder repeater structure and method Apr. 6, 1982
4285053 Acoustic method and apparatus for measuring micron and submicron distances Aug. 18, 1981
4221004 Adjustable ultrasonic level measurement device Sep. 2, 1980
4210970 Echo sounders Jul. 1, 1980
4175441 Gauge for measuring distance to planar surfaces and thicknesses of planar members Nov. 27, 1979
4068207 Acoustic log Jan. 10, 1978
3991398 Acoustic log Nov. 9, 1976
3976969 Underwater sound wave direction finding system Aug. 24, 1976
3934219 Acoustic method and apparatus for determining effectiveness of mine passage seal Jan. 20, 1976

  Recently Added Patents
Universal tablet and smartphone holder
Process for producing a carbon-comprising support
Reconfigurable barrel shifter and rotator
Factor IXa crystals, related complexes and methods
Method, system, and computer program product for scoring theoretical peptides
Method for transforming a single reactor line
Managing and collaborating with digital content
  Randomly Featured Patents
Hand wand for massaging apparatus
Griseofulvin dosage forms
Process of manufacturing of electrostatic speakers
Fuel hose
Producing low resolution images
Oil barrier
Method of manufacturing hollow fiber
Circuit for detecting pulses, and video recorder comprising the circuit
Efficient latch array initialization
Device for garaging motor vehicles