Electrical connectors – With coupling movement-actuating means or retaining means in... – Including lock for retaining means
Reexamination Certificate
1999-11-05
2001-05-22
Donovan, Lincoln (Department: 2839)
Electrical connectors
With coupling movement-actuating means or retaining means in...
Including lock for retaining means
C333S172000
Reexamination Certificate
active
06234818
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a structure of a signal connector (or distributor), particularly to one having a static electricity removing device for a signal anti-theft connector.
Conventional signal anti-theft connectors for wire television cables generally have a special structure or configuration in combination with a special tool in assembling or disassembling to prevent them from stolen or removed. As shown in
FIG. 1
, it is a common signal distributor
1
for wire television, provided with four plugs
2
for four customers to use. These plugs
2
are rather improved to have a metal cylindrical protector
3
, which is secured tightly with the plug
2
by means of a nut. In carrying out assembling and disassembling, a special tool
4
has to be used, inserted in the protector
3
to rotate the nut. However, this kind of tool
4
is now very popularly used, quite limited in its preventive effect against theft.
Further, the plug
2
not used has static electricity to emit signal to interfere its own channel by feedback, giving negative impact to image. So some makers may add a resistor and a breaker, which may be troublesome to fix, and increase cost, not popular in use.
SUMMARY OF THE INVENTION
This invention has been devised to offer a static electricity removing device for a signal anti-theft connector (or distributor), having an inner tube for containing electronic components for removing static electricity and miscellaneous signals and easy to fix and handle.
The main feature of the invention is an inner tube for containing a capacitor connected to a resistor in series for removing static electricity of a plug of a signal distributor of a wire television so as to prevent interference to its own channel by feedback of signals and also to prevent a protector containing an inner connector in which the inner tube is fixed from illegally removed to stealthily connect the plug of the signal distributor.
REFERENCES:
patent: 3573702 (1971-04-01), O'Keefe
patent: 4972505 (1990-11-01), Isberg
patent: 5011422 (1991-04-01), Yeh
patent: 5106312 (1992-04-01), Yeh
Donovan Lincoln
Dougherty & Troxell
Le Thanh-Tam
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