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US 6,556,186 B2Granted
Keyboard input device with pointing device for controlling cursor position on graphic display and the like
AssigneeAlps Electric Co., Ltd.
InventorsTsuyoshi Narusawa, Masaru Komatsu, Shinji Hirano
Life of this patent
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Abstract
In a keyboard input device, a mounting member of a pointing device has holes, and a base has projections. The projections are joined to the holes by caulking, thereby mounting the pointing device on the base. An operating portion of the pointing device is placed among a plurality of control keys.
Claims13
A keyboard input device comprising:
- a membrane switch having a plurality of contacts;
- a plurality of control keys arranged on said contacts so as to operate said membrane switch;
- a base for placing said membrane switch thereon;
- and
- a pointing device mounted on said base and having a control member including an operating portion and a plurality of sensing elements, said control member being mounted on a mounting member,
- wherein said pointing device is mounted on said base by a plurality of mounting connections spaced apart from the operating portion of said control member, each of said mounting connections comprising a mounting hole on one of said mounting member and said base, and a projection on the other of said mounting member and said base, said projection extending through said hole and being joined thereto by caulking, and
- wherein said operating portion of said pointing device is placed among said plurality of control keys.
4 more elements
A keyboard input device comprising:
- a membrane switch having a plurality of contacts;
- a plurality of control keys arranged on said contacts so as to operate said membrane switch;
- a base for placing said membrane switch thereon;
- and
- a pointing device mounted on said base and having a control member including an operating portion and a plurality of sensing elements, said control member being mounted on a mounting member,
- wherein said pointing device is mounted on said base by a plurality of mounting connections spaced apart from the operating portion of said control member, each of said mounting connections comprising a hole in said mounting member and said base, and an eyelet or a rivet is passed through said holes in mutual alignment and is caulked so as to mount said pointing device on said base.
3 more elements
Dependencies are inferred from the claim text.