The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 1998
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Thomas F Parker, Grand Haven, MI (US);
Thomas J Nook, Grand Haven, MI (US);
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
381 74 ; 381183 ; 381 25 ; 439638 ; 439650 ;
Abstract
A headphone jack extended outlet which amplifies and splits the output signal from a single conventional headphone jack to power multiple headphone jacks. The extended outlet includes a conventional headphone plug that inserts directly into the headphone jack of a sound system and includes multiple headphone jacks for powering multiple headsets. The extended outlet further includes circuitry which amplifies the output signal received from the sound system to a level sufficient to power multiple headsets.