Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Reexamination Certificate
2000-04-18
2001-08-28
Dinkins, Anthony (Department: 2831)
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
C361S303000, C361S306100, C361S307000
Reexamination Certificate
active
06282078
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of Invention
The present invention relates to capacitor and more particularly to a capacitor for car stereo with current distributing capability.
2. Related Art
Conventionally, battery is used to supply power to electrical system of an automobile. It is also found that the output power of battery is not sufficient when car stereo suddenly needs a large amount of current. As such, a capacitor is inserted in parallel with and between stereo amplifier and battery. This technique can provide a sufficient current in a short period of time such as the starting of stereo. This capacitor also acts as filter.
A conventional capacitor module
30
is shown in
FIG. 1
comprising a capacitor, a circuit board, and a transparent cover. Circuit board is provided on the top of capacitor having a digital display and a status indicator electrically connected thereto. User may see voltage or current value and the connection between positive and negative terminals for determining whether capacitor module
30
functions well. This can eliminate the necessity of using multimeter. Additionally, a relay may be inserted in the circuit board. This relay acts to close the digital display when an error occurs in the connection of positive and negative terminals of capacitor module
30
, thereby eliminating the necessity of inserting an additional protection loop in the circuit board.
In the configuration shown in
FIG. 1
, capacitor module
30
, cable
25
, and distributor
20
are electrically connected together. In detail, positive terminals of battery
10
and capacitor module
30
are connected to distributor
20
, while negative terminals thereof are connected to ground. As such, output current of battery
10
can be distributed to respective loads
50
(e.g., load
1
to load n) through distributor
20
. Further, capacitor module
30
serves as providing a peak current to each load
50
. However, the previous design suffered from several disadvantages: 1) the procedure is somewhat complex, and 2) wiring is messy. As such, a simplified procedure and neat wiring are desirable.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a capacitor for car stereo such that output current of battery can be distributed to respective loads through capacitor without the necessity of installing a distributor in electrical system of car stereo.
To achieve the above and other objects, the present invention provides an apparatus for car stereo with current distributing capability comprising a capacitor, a circuit board, two conductors, and a terminal assembly wherein the spaced apart conductors are provided on the top of capacitor between circuit board and cover of conventional capacitor module, each conductor is penetrated through a terminal hole such that first conductor and second conductor may electrically connect to the negative electrode and positive electrode of capacitor respectively, the first conductor having at least one pair of fastening hole and wire hole and the second conductor having plural pairs of the fastening hole and wire hole for current distributing, each of the pairs of wire hole and fastening hole perpendicular to and in communication with wire holes such that cable may pass through wire hole to reach the bottom of the corresponding fastening hole, and thereafter a fastener is used to pass through fastening hole to fasten the cable to finish the connection of cable to conductors.
Further scope of applicability of the present invention will become apparent from the detailed description given hereinafter. However, it should be understood that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.
REFERENCES:
patent: 4173745 (1979-11-01), Saunders
patent: 5617307 (1997-04-01), Guigueno
patent: 2-740932 (1997-05-01), None
Birch & Stewart Kolasch & Birch, LLP
Dinkins Anthony
Real Power Cap Company
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