Texas Instruments

• LCD-1985-1990

Model: TI-1786 card
Battery: solar
Adapter: 
Year: 1990
Chip:     
Info: The TI-1786, introduced together with 4 other members of the TI CARD family (TI-1784, TI-1783, TI-1785  ), weights less than 1 ounce!  Made in Taiwan

• LCD-1980-1984

Model: TI-1788
Battery: 2 x LR44
Adapter: 
Year: 1981
Chip: 
Info: LCD  1980 - 1984  Made in Taiwan

• LCD-1982-1987

Model: TI-1788 II
Battery: 2 x LR43
Adapter: 
Year: 1982
Chip: 
Info: LCD  1980 - 1984  Made in Taiwan

• LCD-1982-1987

Model: TI-1788 III
Battery: 2 x LR43
Adapter: 
Year: 1985
Chip: 
Info: Made in Taiwan 

The TI-1788 III combines the clock and alarm time function known from the TI-1788 II with a whole set of additional functions and includes:

• First lcd and Yellow lcd

Model: TI-1790 datachron
Battery: 2 x LR44
Adapter: 
Year: 1978
Chip: T3566 Toshiba          
Info: first TI-LCD - yellow LCD