Pushbutton keyboard switch assembly having individual concave-co

Details Pushbutton keyboard switch assembly having individual concave-co Pushbutton keyboard switch assembly having individual concave-co

1974-11-29

1977-01-25

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 67DB, 200159B, 200275, H01H 1370, H01H 106

Patent

active

040052931

ABSTRACT:
A pushbutton keyboard system comprising an electrically insulative substrate, a plurality of actuating elements or disks arranged in an array of columns and rows on one face of the substrate, and a plurality of conductors on this one face of the substrate with the conductors being parallel to one another and extending in the direction of the columns.

REFERENCES:
patent: 2966570 (1960-12-01), Jordan
patent: 3133170 (1964-05-01), Nanninga
patent: 3571542 (1971-03-01), Madden et al.
patent: 3600528 (1971-08-01), Leposavic
patent: 3643041 (1972-02-01), Jackson
patent: 3684842 (1972-08-01), Boulanger
patent: 3697711 (1972-10-01), Tetrick
patent: 3742157 (1973-06-01), Leposavic
patent: 3743798 (1973-07-01), Pentecost
patent: 3777082 (1973-12-01), Hatley et al.
patent: 3786205 (1974-01-01), Lien
patent: 3800104 (1974-03-01), Lien et al.
patent: 3819882 (1974-06-01), Anderson et al.
patent: 3860771 (1975-01-01), Lynn et al.
patent: 3879586 (1975-04-01), DuRocher et al.
patent: 3886335 (1975-05-01), Hendricks

Affiliated with

Also associated with

Rating

Pushbutton keyboard switch assembly having individual concave-co does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pushbutton keyboard switch assembly having individual concave-co, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pushbutton keyboard switch assembly having individual concave-co will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1480082