From: curd@notformail.com   
      
   On Sun, 28 Oct 2018 21:40:50 -0500, amdx wrote:   
      
   >    There used to be signs that used movement to get attention, it could   
   > be as simple as a waving hand. The hand was setup as a pendulum and when   
   > the battery was installed you could give it a push, this would close a   
   > switch, energizing the solenoid and giving the pendulum a kick this   
   > would also open the switch. The pendulum would go through its swing and   
   > then come back and close the switch, repeating the cycle.   
      
   Sounds grossly inefficient. I'm reminded of those Chinese cat things with   
   the waving paw. They seem to have got battery life down to a fine art;   
   must be using a 'joule thief' or some variant thereof I would imagine.   
      
      
      
      
   --   
   This message may be freely reproduced without limit or charge only via   
   the Usenet protocol. Reproduction in whole or part through other   
   protocols, whether for profit or not, is conditional upon a charge of   
   GBP10.00 per reproduction. Publication in this manner via non-Usenet   
   protocols constitutes acceptance of this condition.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)