US 4,768,230 A · Housing for a hand-held remote control transmitter

Abstract

A housing for a hand-held remote control transmitter including a battery, electronic transmission circuit, and a transmission device, including a housing frame having at least one opening for receiving a battery or otherwise accessing the interior of the housing and a cutout for receiving a touch keypad wherein a sealing rim is provided extending into the housing frame surrounding the cutout and an elastic contact mat is compressed against the rim sealing the cutout opening. A cover part is provided for covering the opening and a gasket surrounding the periphery of the opening and of the cover part is compressed between the cover part and the housing frame. Each other opening providing the housing frame is also sealed thereby protecting the contents of housing from liquids and other environmental factors.

Claims16

Dependent claims

In a housing for a hand-held remote control transmitter, of the type including a frame in which a battery, and an electronic transmission circuit and a transmission component, particularly an infra-red transmission component are housed, said frame having a removable cover part disposed on an opening of the frame, said frame also including a cutout portion for receiving a touch keypad, the improvment comprising:

gasket means placed and compressed between said cover part and the housing frame in a surrounding groove-like depression running around said frame for forming a water-tight seal therebetween, a surrounding sealing rim on said frame projecting inward into the housing frame on the periphery of the cutout portion and an elastic contact mat compressed against the sealing rim over the entire periphery of the sealing rim, an infra-red transparent disk placed on the housing frame in front of the transmission component covering a transmission opening in the frame and welded to the housing frame sealing said opening, and a peripheral collar, wedge-shaped in section, provided on the housing frame around the transmission opening, supporting and welded to said disk.

A housing for a hand-held remote control transmitter including a battery, electronic transmission circuit and a transmission device comprising:

a housing frame having one or more openings therethrough including at least a first opening for accessing the housing interior and a cutout for receiving a touch keypad;
a cover part for covering said first opening;
seal means around the periphery of said first opening and said cover part for sealing said first opening with said cover part;
a sealing rim on the housing frame surrounding the periphery of said circuit and extending inwardly into the housing frame;
a keypad elastic contact mat positioned against said sealing rim for covering said cutout;
means for compressing said contact mat against said sealing rim sealing said cutout;
an additional transmission device opening for exposing an infra-red transmission device;
an infra-red-transparent cover covering said transmission device opening;
sealing means for sealing said infra-red-transparent cover to said housing frame over said additional opening;
a wedge-shaped collar on said housing frame surrounding the periphery of said transmission opening and supported and receiving a disc;
and
weld means surrounding said collar for attaching and sealing said disc to said collar.

9 more elements

Dependencies are inferred from the claim text.

Housing for a hand-held remote control transmitter

Life of this patent

Housing for a hand-held remote control transmitter

Life of this patent

Abstract

Claims16