Registers – Transfer mechanism – Traveling pawl
Patent
1976-01-05
1977-07-26
Malzahn, David H.
Registers
Transfer mechanism
Traveling pawl
364900, G06F 1502
Patent
active
040385353
ABSTRACT:
This invention relates to enhancement of calculator versatility through connections provided in a calculator cradle leading to a printing mechanism therein when a calculator is nested in the cradle. In a more specific aspect, the invention relates to the communication between a calculator and a printer module which nests the calculator and responds to instructions and data flow from the calculator to print selected calculator information.
REFERENCES:
patent: 3819921 (1972-12-01), Kilby et al.
patent: 3823388 (1974-07-01), Chadima, Jr. et al.
patent: 3900722 (1975-08-01), Cochran et al.
patent: 3909626 (1975-09-01), Balasubrananian et al.
patent: 3940742 (1976-02-01), Hudspeth et al.
patent: 3971925 (1976-07-01), Wenninger et al.
Aldridge Bruce E.
Cochran Michael J.
Hamilton Stephen P.
Kitchens Lee G.
Kressler Robert R.
Berg Richard P.
Grossman Rene E.
Levine Harold
Malzahn David H.
Texas Instruments Incorporated
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