A periodical processing time band during which communication is periodically conducted between a plurality of communication terminals and a data bus control apparatus and a nonperiodical processing time band during which communication is nonperiodically conducted between the pluralit
A sample collecting apparatus of a space craft capable of collecting samples securely by collecting them through a single step by using a small size, light weight and simple structure device. The sample collecting apparatus of the space craft includes a canister having a hollow container
A satellite capturing/tracking apparatus including: an antenna drive unit for driving an antenna in such a manner that said antenna is directed to a direction along which electromagnetic waves are transmitted from either a data relay satellite or a space station in response to a capt
An object-transporting apparatus and method is provided for moving an object in a zero-gravity environment without the use of a latch handle or sprayed pressurized air. The object to be transported includes a first joinable element which mates with a second joinable element attached to a
In each module (11) of three or more central processor modules of a fault tolerant computer system, a detector (45) receives a comparator output signal and like comparator output signals from two adjacent modules and produces a detector output signal which confirms absence and presence o
