Abstract: A mounting bar for spacing apart indicator lights used in electronic equipment has a channel bar with a base and a top edge from which spaced apart mounting fingers cantileverly extend. The channel bar, base, and fingers form a cavity within which indicator light modules are frictionally held. The indicator light modules may have extending protrusions which engage the gaps between the mounting fingers. The protrusions may be of the same width between the mounting fingers, or may be wider than the gaps between the mounting fingers for increased frictional retention of the indicator lights within the mounting bar.

Abstract: A hearing aid battery cover switch for a hearing aid, having a shorting contact mounted to the battery cover for actuation of various modes of a hearing aid by a user. A contact member is positioned to be engaged by the shorting contact when the contact is moved by a user. Various switch designs are used, including a cantilevered contact switch, a symmetrical wave spring switch, and a cantilevered switch with a battery contact post.

Abstract: The present invention provides a potentiometer having an improved seal for preventing intrusion of corrosive elements into the potentiometer or the socket in which the potentiometer is disposed, wherein the improved potentiometer comprises a housing having top and bottom members and a substantially annular sealing element sandwiched between the top and bottom housing members, the inner aperture of the sealing element sealingly engaging the rotor of the potentiometer, and, in one embodiment of the present invention, the outer edge of the annular sealing element sealing engaging the socket in which the potentiometer is disposed.

Abstract: A mounting bar assembly for versatile positioning and orientation of indicator lights such as light emitting diodes (LED's). The mounting bars are cut to a desired length to accommodate a desired number of LED's and are cut to provide a plurality of slots at predetermined, spaced LED locations. The connector leads of the LED's are inserted within the slots and adjusted in a direction generally perpendicular to the longitudinal direction of extent of the mounting bar so as to position each LED at a desired height with respect to a printed circuit board or other electrical circuit device to which the leads are connected. The connector leads are malleable, and after being secured to the mounting bar, are bent to any desired configuration so as to support each LED in a particular orientation as required.

Abstract: A control switch and potentiometer assembly for use in an in-the-canal type hearing air comprising a miniature single pole, single or double throw, push-pull control switch and rotary potentiometer. The components of the control switch and potentiometer are mounted within a durable thermoplastic resin housing which is anchored within the hearing aid. A single control knob for actuation of the control switch and potentiometer is raised and shaped to permit gripping between the fingertips of the user for removing the hearing aid from the ear canal.The switch contacts and switch wiper are designed such that the process of pulling on the potentiometer control knob to remove the hearing aid will extend the control switch, thereby disengaging a normally closed switch contact and opening a battery powered circuit so as to turn the hearing aid off.

Abstract: A mounting bar for spacing and retaining indicator lights for use with electronic equipment. An elongated channel bar includes a cavity extending along the front wall of the bar. Light emitting diode (LED) modules having light emitting diodes (LED's) mounted therein are frictionally engaged to the bar within the elongated cavity at predetermined locations. This permits LED modules to be mounted and arranged at predetermined spacings as requested by the user without retooling or special handling. The LED modules also include connector leads extending perpendicular from the LED's for connection to a printed circuit board of electronic equipment.