Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
Your words are not clear. I serch solution?? This page sampel hint??
I think the ladder diagram on that web page is the answer to your question. It looks like a schematic diagram of a JK flop made from relays. It shows the input switches, relay coils, relay contacts, and output lamps. I think TD1 is a time-delay relay.