Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1985-12-26
1989-10-31
Orsino, Joseph A.
Communications: electrical
Condition responsive indicating system
Specific condition
70233, 340571, 350 9623, G08B 2900
Patent
active
048780456
ABSTRACT:
A locking cable for use in an antitheft device adapted to give warning in response to a change in a photo signal transmitted through an optical fiber longitudinally extending through the locking cable. The locking cable comprises a core portion including the optical fiber, a reinforcing layer concentrically disposed around the core portion and including at least one electric conductor and a plurality of reinforcing members, and a flexible hollow protective member as an outermost layer covering the electric conductor and reinforcing members in contact with the protective member. If required, a further reinforcing layer may be interposed between the core portion and the first-mentioned reinforcing member, which includes a plurality of second reinforcing members. A holder holding an end of the optical fiber and a photoelectric element in face-to-face relation to each other is axially movably arranged within a plug connected to an end of the locking cable. Space is defined between the plug and the holder, through which the electric conductor axially movably extends.
REFERENCES:
patent: 4525702 (1985-06-01), Kitagawa et al.
patent: 4574192 (1986-03-01), Kitagawa et al.
patent: 4639713 (1987-01-01), Kitagawa et al.
Kawakami Toshikazu
Tanaka Yashihiro
Tanaka Yoshiaki
Yamagata Tetsuo
Honda Giken Kogyo K.K.
Kabushiki Kaisha Honda Rokku
Lessler Arthur L.
Orsino Joseph A.
Swarthout Brent A.
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