Registers – Record controlled calculators
Patent
1976-01-19
1978-02-14
Canney, Vincent P.
Registers
Record controlled calculators
364810, G06G 706, G06G 748, G09B 2302
Patent
active
040741133
ABSTRACT:
To satisfy the need for an easily programmable portable analog computer, a compact, punched-card programmable computer is herein described. This compact computer may be programmed three different ways: 1. using conventional patch cords; 2. using mechanical switches; and 3. using a single punched card. The top panel of the cabinet is a combination patching, switching and electronic module board and includes all of the computing components, toggle switches, mode control switch, power switch, voltmeters and computing module diagrams. The mode control switch enables the user to perform "reset", "hold" and "compute" operations. The voltmeters enable input and output voltages of a programmed problem to be measured simultaneously. Switches or relays enable the user to inter-connect computing components, while jacks on the board permit patching other components of a problem, previously programmed on a sheet, for which switches or relays have not been provided. Program symbols appear on covers over the computing modules identical or similar to the ones appearing on a programmed sheet.
To one side of the main computer cabinet is attached the punched card device, an ancillary part. This device may be used at the option of the programmer when solutions to many problems need to be demonstrated in rapid succession, as by a teacher of mathematics. For each problem, a previously punched card would be used by the teacher to program or interconnect most of the computing components of the simulation. Since the computing modules are recessed within the panel, there are no objectionable protrusions above the panel. Thus, the user is not confused as to which components are interconnected or to be connected when using patch cords, or to interfere with the patching operation. The designs exemplify the utmost in simplicity.
REFERENCES:
patent: 3376553 (1968-04-01), Neddenriep
patent: 3643066 (1972-02-01), Coliz et al.
patent: 3812347 (1974-05-01), Cunningham et al.
patent: 3849660 (1974-11-01), Hommerin
patent: 3918028 (1975-11-01), Humphrey et al.
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