Fish-shaped underwater navigating body, control system thereof, and aquarium

Abstract

A fish-type underwater navigation body includes a caudal turning section provided for a caudal section of a main unit, a pair of first side turning sections provided in front lower sections of the main unit, and a pair of second side turning sections provided in side lower sections between a center section and the caudal section in the main unit. The fish-type underwater navigation body gets propulsion by turning the caudal turning section. Also, the pair of first side turning sections, the pair of second side turning sections and the caudal turning section function for attitude control of the fish-type underwater navigation body.

1 - 23 . (canceled)  
   
   
       24 . A fish-type underwater navigation body comprises: 
 a main unit;    a caudal section turnably connected to a caudal section of said main unit;    a first pair of side sections, each of which is turnably connected to a forward section of said main unit;    a forward tank section provided in said forward section of said main unit; and    rear tank sections provided in a backward section of said main unit.    
   
   
       25 . The fish-type underwater navigation body according to  claim 24 , wherein propulsion of said navigation body is generated by turning said caudal section.  
   
   
       26 . The fish-type underwater navigation body according to  claim 24 , wherein said first pair of side sections and said caudal section function to control attitude of said fish-type underwater navigation body.  
   
   
       27 . The fish-type underwater navigation body according to  claim 24 , further comprising: 
 a second pair of side sections turnably connected in lower side sections between said first pair of side sections and said caudal section in said main unit;    a dorsal section turnably connected to an upper section between said first pair of side sections and said caudal section in said main unit; and    a lower caudal section provided in a lower section between said second pair of side sections and said caudal section in said main unit.    
   
   
       28 . The fish-type underwater navigation body according to  claim 24 , wherein said caudal section comprises: 
 a first caudal section turnably connected to said caudal section; and    a second caudal section turnably connected with said first caudal section, and    said second caudal section turns in response to a turning operation of said first caudal section.    
   
   
       29 . The fish-type underwater navigation body according to  claim 28 , wherein a turning frequency of said caudal section is determined based on a moving speed of said fish-type underwater navigation body and a width of said fish-type underwater navigation body in a direction perpendicular to a direction of movement of said fish-type underwater navigation body.  
   
   
       30 . The fish-type underwater navigation body according to  claim 24 , wherein up and down movement of said fish-type underwater navigation body is controlled based on a quantity of water in said forward tank section and said rear tank sections.  
   
   
       31 . The fish-type underwater navigation body according to  claim 24 , further comprising: 
 a driving section provided in said main unit; and    a receiving section provided in said main unit to receive a radio wave instruction signal propagated through underwater, and    wherein said driving section drives said caudal section and said first pair of side sections independently based on said radio wave instruction signal.    
   
   
       32 . The fish-type underwater navigation body according to  claim 31 , wherein a frequency of said radio wave instruction signal is equal to or less than 100 MHz.  
   
   
       33 . The fish-type underwater navigation body according to  claim 32 , further comprising: 
 a transmitting section which replies a content of said radio wave instruction signal when said radio wave instruction signal is received.    
   
   
       34 . A fish-type underwater navigation body control system comprising: 
 a fish-type underwater navigation body which comprises: 
 a main unit;  
 a caudal section turnably connected to a caudal section of said main unit;  
 a first pair of side sections, each of which is turnably connected to a forward section of said main unit;  
 a forward tank section provided in said forward section of said main unit;  
 rear tank sections provided in a backward section of said main unit; and  
 a receiving section provided in said main unit to receive a radio wave instruction signal; and  
 a driving section provided in said main unit to drive said caudal section and said first pair of side sections independently based on said radio wave instruction signal; and  
   a control unit which transmits said radio wave instruction signal to said fish-type underwater navigation body through underwater.    
   
   
       35 . The fish-type underwater navigation body according to  claim 34 , wherein said driving section drives said caudal section to generate propulsion of said navigation body.  
   
   
       36 . The fish-type underwater navigation body control system according to  claim 34 , wherein said fish-type underwater navigation body further comprises: 
 a second pair of side sections turnably connected in lower side sections between said first pair of side sections and said caudal section in said main unit;    a dorsal section turnably connected to an upper section between said first pair of side sections and said caudal section in said main unit; and    a lower caudal section provided in a lower section between said second pair of side sections and said caudal section in said main unit.    wherein said driving section drives said first pair of side sections, said second pair of side sections, said dorsal section, said lower caudal section and said caudal section independently.    
   
   
       37 . The fish-type underwater navigation body control system according to  claim 36  said first pair of side sections, said second pair of side sections, said dorsal section, said lower caudal section and said caudal section function to control attitude of said fish-type underwater navigation body.  
   
   
       38 . The fish-type underwater navigation body control system according to  claim 34 , wherein said caudal section comprises: 
 a first caudal section turnably connected to said caudal section; and    a second caudal section turnably connected with said first caudal section, and    said second caudal section turns in response to a turning operation of said first caudal section.    
   
   
       39 . The fish-type underwater navigation body control system according to  claim 38 , wherein a turning frequency of said caudal section is determined based on a moving speed of said fish-type underwater navigation body and a width of said fish-type underwater navigation body in a direction perpendicular to a direction of movement of said fish-type underwater navigation body.  
   
   
       40 . The fish-type underwater navigation body control system according to  claim 34 , wherein up and down movement of said fish-type underwater navigation body is controlled based on a quantity of water in said forward tank section and said rear tank sections.  
   
   
       41 . The fish-type underwater navigation body control system according to  claim 34 , wherein said radio wave instruction signal is a FM signal having a frequency equal to or less than 100 MHz.  
   
   
       42 . The fish-type underwater navigation body control system according to  claim 34 , wherein said control unit comprises: 
 an operation unit;    a control section which generates said radio wave instruction signal based on an operation of said operation unit; and    a transmitting section which transmits said radio wave instruction signal to said fish-type underwater navigation body through said underwater.    
   
   
       43 . The fish-type underwater navigation body control system according to  claim 34 , wherein said control unit automatically generates said radio wave instruction signal, and 
 said control system further comprises:    a transmitting section which transmits said radio wave instruction signal to said fish-type underwater navigation body through said underwater.    
   
   
       44 . The fish-type underwater navigation body control system according to  claim 34 , wherein said fish-type underwater navigation body further comprises: 
 a supersonic transmitting section which generates a supersonic signal,    said fish-type underwater navigation body control system comprises:    a plurality of said fish-type underwater navigation bodies, and    further comprises:    a position detecting section which detects a position of each of said plurality of fish-type underwater navigation bodies based on said supersonic signals outputted from said supersonic transmitting sections of said plurality of fish-type underwater navigation bodies.    
   
   
       45 . The fish-type underwater navigation body control system according to  claim 44 , wherein said control unit outputs said radio wave instruction signals to said plurality of fish-type underwater navigation bodies for prevention of collision of said plurality of fish-type underwater navigation bodies based on the positions detected by said position detecting section.  
   
   
       46 . An aquarium comprising: 
 a water tank; and    a fish-type underwater navigation body which swims in said water tank, and comprises: 
 a main unit;  
 a caudal section turnably connected to a caudal section of said main unit;  
 a first pair of side sections, each of which is turnably connected to a forward section of said main unit;  
 a forward tank section provided in said forward section of said main unit;  
 rear tank sections provided in a backward section of said main unit; and  
 a receiving section provided in said main unit to receive a radio wave instruction signal; and  
 a driving section provided in said main unit to drive said caudal section and said first pair of side sections independently based on said radio wave instruction signal; and  
   a control unit which transmits said radio wave instruction signal to said fish-type underwater navigation body through underwater.    
   
   
       47 . The aquarium according to  claim 46 , wherein an outward appearance of said fish-type underwater navigation body imitates coelacanth.  
   
   
       48 . The aquarium according to  claim 46 , wherein a plurality of said fish-type underwater navigation body swim in said water tank, and 
 each of said plurality of fish-type underwater navigation bodies moves along a closed loop.    
   
   
       49 . The aquarium according to  claim 46 , wherein each of said plurality of fish-type underwater navigation bodies sinks and floats periodically in a gravity direction.  
   
   
       50 . The aquarium according to  claim 46 , wherein the control unit comprises: 
 an operation section; and    a transmitting section which transmits said radio wave instruction signal generated based on an operation of the operation section into the underwater.    
   
   
       51 . The fish-type underwater navigation body control system according to  claim 46 , wherein said control unit automatically generates said radio wave instruction signal, and 
 said control system further comprises:    a transmitting section which transmits said radio wave instruction signal to said fish-type underwater navigation body through said underwater.    
   
   
       52 . The aquarium according to  claim 46 , wherein said caudal section comprises: 
 a first caudal section; and    a second caudal section connected with said first caudal section, and    said first caudal section turns in response to a turning operation of said second caudal section.    
   
   
       53 . The aquarium according to  claim 52 , wherein a turning frequency of said caudal section is determined based on a moving speed of said fish-type underwater navigation body and a width of said fish-type underwater navigation body in a direction perpendicular to a direction of movement of said fish-type underwater navigation body.  
   
   
       54 . The aquarium according to  claim 46 , wherein said radio wave instruction signal is a FM signal having a frequency equal to or less than 100 MHz.