Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Submarine simulating sonar beacon










Image Number 10 for United States Patent #4198703.

1. In a submarine simulation sonar beacon adapted for predetermined maneuing under water, a hull having a forward and an aft transducer for receiving an acoustical signal within said water, means disposed in said hull connected to said forward and aft transducers for comparing the time relationship of arrival of said acoustical signal thereat, means coupled to said comparing means for generating an output signal having a characteristic which is a function of said time relationship, means coupled to said generating means for amplitude and highlight modulation of said output signal, and transmitting transducer means mounted on said hull and coupled to said last mentioned means for broadcasting said modulated signal through said water.








 
 
  Recently Added Patents
LED illumination control using a simple digital command structure
Hedge shear
Call admission control method and system
Information retrieval system, information retrieval method, and information retrieval program
Semiconductor memory device
Semiconductor device element formed on SOI substrate comprising a hollow region, and having capacitors in an electric field alleviation region
Micromachined devices and fabricating the same
  Randomly Featured Patents
Magnetic head tracking control system
Hand vacuum cleaner
Audio device and method for appending identification data into audio signals
Method for mixing coagulating agents into a contaminated water flow, and for removing contaminants therefrom
Ultrasonic living body tissue characterization method
Semiconductor apparatus and repairing method thereof
Compact universal offset pulling head for fasteners
Process for the preparation of diazonaphthoquinonesulfonylchlorides using diphosgene and triphosgene
Network system, distributed processing method and information processing apparatus
Poultry breast de-boning machine and processing method