Tape recorder with table computer

Details Tape recorder with table computer Tape recorder with table computer

1979-02-27

1980-12-02

Krass, Errol A.

Boots, shoes, and leggings

340711, 340755, 360 1, 364708, G11B 104, G06F 1502

Patent

active

042375401

ABSTRACT:
A tape recorder calculator is disclosed. The tape recorder comprises a cassette charging portion thereof on one side surface of a polyhedron of a housing and digit keys on an other side surface. The display for displaying counted values is also used as a counter display of the tape recorder and is rotatably provided on one side surface of the polyhedron so as to automatically switch its display function in accordance with rotation of the display.

REFERENCES:
patent: 1090989 (1914-03-01), Kelly
patent: 3154636 (1964-10-01), Schwertz
patent: 3555505 (1971-01-01), Srogl
patent: 4120037 (1978-10-01), Sato
patent: 4150435 (1979-04-01), Satoh

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