Keypad assembly

Details Keypad assembly Keypad assembly

2007-07-31

2007-07-31

Luebke, Renee (Department: 2875)

Illumination

Illuminated scale or dial

Telephone dial

C200S314000, C362S027000, C362S030000, C362S267000

Reexamination Certificate

active

10800803

ABSTRACT:
A keypad assembly (100) for a communication device (200) utilizes two boards, a main circuit board (102) with electronic components including light emitting diodes (LEDs) (104) and a keypad board (108). A lightguide (106) is sandwiched between the two boards (102, 108), the lightguide having window protrusions (112) to accommodate the LEDs (104). The keypad board (108) has openings (116) within which the window protrusions (112) align in order to provide backlighting and sealing to the communication device (200).

REFERENCES:
patent: 4349705 (1982-09-01), Kuhfus
patent: 4636593 (1987-01-01), Novak et al.
patent: 4710597 (1987-12-01), Loheac
patent: 5130897 (1992-07-01), Kuzma
patent: 5138119 (1992-08-01), Demeo
patent: 5265274 (1993-11-01), Knutson et al.
patent: 5401927 (1995-03-01), Lundell et al.
patent: 5555550 (1996-09-01), Kaschke
patent: 6621446 (2003-09-01), Chaillie

Affiliated with

Also associated with

Rating

Keypad assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Keypad assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Keypad assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3780381