Miniature computer capable of using a conventional audio cassett

Details Miniature computer capable of using a conventional audio cassett Miniature computer capable of using a conventional audio cassett

1978-04-21

1981-02-24

Springborn, Harvey E.

Boots, shoes, and leggings

G06F 3023, G06F 3147, G06F 922

Patent

active

042531438

ABSTRACT:
A minature computer comprising a main section which includes a central processor, a read only memory storing a monitor program, a random access memory for executing the monitor program and a controlling circuit for peripheral equipments developed which has a hand-held controller electrically connected to the main section through a flat cable, having a keyboard and display device such that the keyboard has keys of a numeral 0 to 9 and the alpha characters A to Z for enabling symbolic languages to be input according to an assembler program. The assembler program is stored in the read only memory and the symbolic languages are converted to corresponding machine languages. The main section has a first jack capable of inputting a program from a audio cassette tape deck and a second jack capable of storing a program in a audio cassette tape deck. The main section also has third and fourth jacks which control the operation of the audio cassette tape decks connected to the first two jacks.

REFERENCES:
patent: 3760375 (1973-09-01), Irwin et al.
patent: 3956740 (1976-05-01), Jones et al.
patent: 3980992 (1976-09-01), Levy et al.
patent: 4024386 (1977-05-01), Caudel et al.
patent: 4112501 (1978-09-01), Onnestam
The "Super Component": The One-Board Computer With Programmable I/O; Garrow et al.; Electronics, pp. 77-84; Feb. 5, 1976.
National's New Portable Terminal-Patel et al., Interface Age, pp. 12-19; Oct. 1976.

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