Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1985-03-07
1986-02-18
Gilreath, Stanley N.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
226 11, 226 24, 242 57, 360 746, B65H 6300
Patent
active
045708762
ABSTRACT:
A device for use in a tape driving apparatus for detecting the tape end made of transparent material, comprising means for generating signals consisting of a first output and a second output having a delay time behind the first output, a device for emitting light upon the existence of the second output, a sensor for receiving the light emitting from the light emitting device through the tape end of transparent material, and a discriminating means for controlling, by means of the first output, the output supplied from the sensor during the existence of the second output, whereby the tape end is correctly detected without causing trouble in connection with extraneous light to be introduced from the outside.
REFERENCES:
patent: 3539084 (1970-11-01), Bradshaw
patent: 3642226 (1972-02-01), Tokunaga
patent: 3694585 (1972-09-01), Goldner
patent: 3696981 (1972-10-01), Levy
patent: 3834649 (1974-09-01), Papay
patent: 3861619 (1975-01-01), Wolff
patent: 4091426 (1978-05-01), Umeda
patent: 4111378 (1978-09-01), Barwick
patent: 4343024 (1982-08-01), Kawai
patent: 4492993 (1985-01-01), Otis
Andoh Toshihiro
Kondo Tatsuya
Toguchi Akira
Gilreath Stanley N.
Sanyo Electric Co,. Ltd.
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