Modular electronic timer switch system

An easily programmable load switching system comprising:

• electro-optical display means with first and second parts, a plurality of operator assisting symbols and key defining symbols displayable on said first part, a plurality of entered information confirming indicia displayable on said second part;
• manually operable information entry means including a plurality of manually operable keys;
• load switching means;
• control means coupled to said two part display means, said entry means and said switching means, said control means including
• means for sensing a manually selected programming mode;
• means for receiving key entered time and event sequence related information;
• means for processing the entered information and displaying indicia on said second part confirmatory of receipt thereof;
• means for sensing a manually entered information storage indicium;
• means for sensing a manually selected automatic mode;
• and
• means for executing the entered time and event sequence related information;
• with said switching means switching an exterior load in response to the executed information
• and with said switching means selected from a class containing at least a single pole single throw switch function;
• a double pole single throw switch function;
• and a double pole double throw switch function.

A modular system engageable with circuitry for switching a load comprising:

• a closeable housing;
• manually actuatable means for entry of selected information;
• control means coupled to said entry means;
• electro-optical display means having first and second parts with said first part coupled to said control means for displaying visual, operator assisting indicia in response to manual actuation of selected of said entry means, with said second part coupled to said control means for displaying operator visible indicia related to said entered information, said control means further including means for generating at least one electrical signal having a plurality of time varying states related to said entered information;
• a second housing, slidably receivable in said closeable housing, with said entry means, said control means and said display means carried therein;
• and
• means, slidably receivable within said closeable housing, plug engageable with said second housing for receiving said one electrical signal, and couplable to the switching circuitry for switching the load in response to said signal.

An easily programmable system engageable with load switching circuitry and comprising:

• a closeable exterior housing with the load switching circuitry removable carried therein;
• electro-optical display means with first and second parts, a plurality of operator assisting symbols and key defining symbols displayable on said first part, a plurality of entered information confirming indicia displayable on said second part;
• manually operable information entry means including a plurality of manually operable keys;
• control means coupled to said display means, and said entry means, said control means including
• means for sensing a manually selected programming mode;
• means for receiving key entered time and event sequence related information;
• means for processing the entered information and displaying indicia on said second part confirmatory of receipt of that information;
• means for sensing a manually selected automatic mode;
• means for executing the entered time and event sequence related information;
• a closed interior housing which contains said display means, said information entry means and said control means with said interior housing removably receivable within said closeable exterior housing;
• and
• connector means, carried by said interior housing and engageable with the load switching circuitry for switching an exterior load in response to the entered information.

A modular system for switching a load comprising:

• a housing;
• programmable control means, removably carried in said housing, including manually actuatable means for entry of selected information, electro-optical display means having first and second parts with said first part coupled to said control means for displaying visual, operator assisting indicia in response to manual actuation of selected of said entry means, with said second part coupled to said control means for displaying operator visible indicia related to said entered information, said control means further including means for generating at least one output electrical control signal having a plurality of time varying states related to selected of said entered information with
• said control means carrying first connector means;
• modular means for switching the load including at least one control input and removably carried in said housing, said switching means having second and third different connector means, with said first and said second connector means being plug engageable, said third connector means removably engageable with the load and with said output electrical control signal coupled to said control input via said first and second connector means for switching the load in response thereto.