Title:
INSTRUMENT FOR EXHIBITION WITH BURGLAR ALARM DEVICE, AND METHOD AND APPARATUS FOR CONTROLLING BURGLAR ALARM FOR EXHIBIT
Document Type and Number:
WIPO Patent Application WO/1994/020936
Kind Code:
A1
Abstract:
An instrument comprising a burglar alarm circuit (3) connected to a casing (21) having a chuck mechanism (20) which can grip a wire (W) inserted through it, and means (40, 66, and 25) for detecting the variation of a load of an exhibit. When an exhibit suspended by the instrument is removed, the means (40) detects no longer any load, and then, a warning signal is outputted from the burglar alarm circuit (3) to report the abnormality reliably. The burglar alarm circuit (3) also generates alarming sound. The sound is collected by a sound receiver and an alarm signal from the sound receiver is inputted into a centralized controller (13). In this way, the function of the burglar alarming is performed safely without erroneous operation.
Inventors:
ARAKAWA HIDEO (JP)
Application Number:
PCT/JP1994/000398
Publication Date:
September 15, 1994
Filing Date:
March 11, 1994
Export Citation:
Assignee:
ARAKAWA CO LTD (JP)
ARAKAWA HIDEO (JP)
ARAKAWA HIDEO (JP)
International Classes:
A47G1/16; G08B13/14; A47G1/20; (IPC1-7): G08B13/14; A47F5/08; A47G1/16
Foreign References:
| JPS4835514Y1 | 1973-10-25 | |||
| JPH01187879A | 1989-07-27 | |||
| JPS4987054A | 1974-08-20 | |||
| JPS63306181A | 1988-12-14 | |||
| JPS62275469A | 1987-11-30 | |||
| JPH02144332A | 1990-06-04 | |||
| JPH0377198A | 1991-04-02 | |||
| JPS55112692A | 1980-08-30 | |||
| JPS57148199U | 1982-09-17 |
Other References:
See also references of EP 0689177A4
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