Electrical connectors – With flaccid conductor and with additional connector spaced...
Reexamination Certificate
1999-02-04
2001-04-03
Sircus, Brian (Department: 2839)
Electrical connectors
With flaccid conductor and with additional connector spaced...
C439S638000
Reexamination Certificate
active
06210212
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to a computer headphone extension cord device that is connected to the audio output port at the back of a computer. More particularly, the computer headphone extension cord device is extended to the front of the computer and has a receiving box with a phone jack therein for receiving the stereo mini plug from a headphone set.
BACKGROUND OF THE INVENTION
Present day computers (PC's) in most cases, have an audio output port on the rear wall of the PC for use with a standard set of headphones having a stereo mini plug attached to an elongated electrical cord. There are problems with this present headphone system and the rear entry position of the audio output port on the back of the PC. It limits the use of the headphone set by the PC user, wherein most of the elongated electrical cord is used in connecting the headphone set to the audio output port at the back of the PC. The PC user has only a limited amount of space in which to move about while using the headphone set, as presently depicted. Also, the PC user has the inconvenience of having to reach to the back of the computer to connect the headphone set.
There remains a need for a computer headphone extension cord device which may be easily connected to the audio output port on the back of a personal computer. The computer headphone extension cord device has an elongated electrical cord and a receiving box with a phone jack port therein which is extended to the front, of the computer where the stereo mini-plug from a headphone set is received within the phone jack port of the computer headphone extension cord.
DESCRIPTION OF THE PRIOR ART
Audio input and output connectors for computers having various designs, structures and configurations have been disclosed in the prior art. For example, U.S. Pat. No. 5,666,267 to Intel Corporation, discloses an audio input/output connector which can be installed in the front portion of a computer so that a user can connect external devices, such as an input microphone or a set of headphones into the front panel of a computer. This audio input/output connector allows a computer user to plug an external device such as a headphone into the front panel jack of a computer, as opposed to the rear panel jack, which is less accessible. This connector apparatus contains audio ports for headphones which send audio signals through an audio extension card. An audio input/ output connector receives and sends the audio signals through a flex capable and finally to another connector. The audio input/output apparatus is placed inside the hard drive bay and occupies a small fraction of the space therein, without intruding into the conventional space required by the hard drive. This prior art patent does not disclose the design, structure and configuration of the present invention.
This aforementioned prior art patent does not teach or disclose the use of a computer headphone extension cord device of the present invention that is connected to the audio output port on the rear of a personal computer having the design, structure and configuration of the present invention.
Accordingly, it is an object of the present invention to provide a computer headphone extension cord device that is connected to the audio output port on the rear of a personal computer for use with a standard set of headphones.
Another object of the present invention is to provide a computer headphone extension cord device having an elongated electrical cord and having a receiving box with a phone jack port therein at one end of the electrical cord for receiving the stereo mini-plug from a headphone set; and at the other end of the electrical cord a stereo mini-plug for inserting and connecting to the audio output port on the rear of the computer.
Another object of the present invention is to provide a computer headphone extension cord device that can be used on most computer system hardware that have an audio port station either built-in or on an expansion card (i.e. PC's, Macintosh™ computers or Sun™ work stations). This computer headphone extension cord device is not limited by internal components in existing computer system hardware.
Another object of the present invention is to provide a computer headphone extension cord device that can be attached to a computer in a detachable manner or permanently mounted.
Another object of the present invention is to provide a computer headphone extension cord device that can have extended lengths of electrical cord having specific cord lengths of 18″, 24″, 36″, 48″, 60″ or 72″.
Another object of the present invention is to provide a computer headphone extension cord device that can be made less expensively than an internal (headphone cord) unit in a standard PC hardware system.
Another object of the present invention is to provide a computer headphone extension cord device that is light-weight, durable, and conforms to the standards of currently manufactured personal computers.
A further object of the present invention is to provide a computer headphone extension cord device that can be mass produced in an automated and economical manner and is readily affordable by the computer user.
SUMMARY OF THE INVENTION
The present invention provides for a computer headphone extension device for connection to the audio output port on the rear of a personal computer and for connection from a stereo mini-plug of a headphone set. The computer headphone extension device includes an elongated electrical cord having a first end and a second end. The computer headphone extension device further includes a stereo mini-plug connected to the first end of the electrical cord for inserting the stereo mini-plug into the audio output port at the rear of the personal computer; and a receiving box device having a connecting port for connecting to the second end of the electrical cord and having a phone jack for receiving the stereo mini-plug of the headphone set.
REFERENCES:
patent: 4097111 (1978-06-01), Martin
patent: 4944016 (1990-07-01), Christian
patent: 5812683 (1998-09-01), Parker et al.
patent: 6016432 (2000-01-01), Stein
Nguyen Son V.
Sircus Brian
Sutton Ezra
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