Telegraphy – Systems – Simplex-reversing periodic
Patent
1973-08-29
1976-02-03
Safourek, Benedict V.
Telegraphy
Systems
Simplex-reversing periodic
35 9R, 178DIG23, 178DIG35, H04N 708, G09B 704
Patent
active
039365956
ABSTRACT:
A signal transmission system for transmitting programed information such as a programed instruction comprising at a transmitter end circuitry for producing a number of program materials and a control signal which is used at a receiver end to control the manner of sequentially connecting program materials in accordance with a response input of a student to construct at least one significant program. The system comprises at the receiver end circuitry for detecting the control signal, circuitry for extracting desired program materials in a desired sequence with the aid of the control signal in accordance with the response input of the student and apparatus for displaying the extracted desired program materials.
REFERENCES:
patent: 3245157 (1966-04-01), Laviana
patent: 3546791 (1970-12-01), Koos et al.
patent: 3566482 (1971-03-01), Morchand
patent: 3606688 (1971-09-01), Zawels et al.
patent: 3757225 (1973-09-01), Ulicki
patent: 3760275 (1973-09-01), Ohsawa et al.
Fukuda Masaaki
Kayano Tatsuo
Masuda Michio
Nabeyama Hiroaki
Sawabe Eiichi
Hitachi , Ltd.
Hitachi Electronics Co., Ltd.
Nippon Hoso Kyokai
Saffian Mitchell
Safourek Benedict V.
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