Education and demonstration – Audio recording and visual means – Common carrier for visual means and audio recording
Patent
1985-09-20
1987-05-12
Grieb, William H.
Education and demonstration
Audio recording and visual means
Common carrier for visual means and audio recording
434318, 434339, 200159B, G09B 506
Patent
active
046646345
ABSTRACT:
Self-teaching apparatus is disclosed herein having a platform for supporting a card carrying printed indicia and a record disc. Information carried on the disc and the printed area is coordinated so as to be meaningful in practice. Record disc playback mechanism and an operating circuit is intercoupled with an electrical probe actuator so that the auditory instructions or information can be related to the printed indicia. In one form, a solid, pliable platform is employed with a membrane switch included in the circuit and, in another form, holes are placed through the platform for passing an electric tip on the probe for contact with a plate connected to the circuit. The card is provided with holes in the latter form and without holes in the former form.
REFERENCES:
patent: 2603006 (1952-07-01), MacChesney et al.
patent: 3106027 (1963-10-01), Thelin
patent: 3396478 (1968-08-01), Genin
patent: 3771240 (1973-11-01), Matui
patent: 3952170 (1976-04-01), Irvin et al.
patent: 4300029 (1981-11-01), Maser
patent: 4302647 (1981-11-01), Kandler et al.
patent: 4434480 (1984-02-01), Fukumitsu
Cutler Burton
Cutler Stanley
Grieb William H.
Marrs Roger A.
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