Keyscreen

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Filing Information

  • Patent Number: US6492978
  • Application Number: US9087816
  • Filing date: 05/29/1998
  • Issue date: 12/10/2002
  • Predicted expiration date: 05/29/2018
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  • U.S. Classifications: 345/173  · 345/168  ·
  • International Classifications: --
  • International Classifications: 345156 · 345168 · 345173 · 345174 · 345 1 · 345169 · 345184 · 178 1801 · 178 1803 · 178 1805 · 178 1806 · 178 1807 ·
  • View document at: (opens new window):
    USPTO  ·  PAIR  ·  esp@cenet  ·  Patent Family
    * Related patent documents may or may not exist on these sites
22 Claims, 8 Drawings


Abstract

A KeyScreen includes a touchscreen for providing an output position signal indicative of location thereon, with a keypad disposed over the touchscreen. The keypad has a plurality of articulated keys to operably engage the touchscreen upon depression thereof and thereby provide tactile feedback to the user.

References Cited

U.S. Patent Documents

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Foreign Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
D359273DittmerJun 1995
* cited by examiner

Other Publications

Arc-USA, “Stanford Keypad GL-101,” 1996, two pages.
Microtouch, “Capacitive and Resistive Touchscreens,” 1996, seven pages.
NCR, “NCR 5962 Touch Screen,” 1997, 2-pages.
NCR, “NCR DynaKey Advanced Retail Interface,” 1997, 2-pages.
NCR, “NCR 5944 Electronic Payment Terminal,” 1992, 2-pages.

Patent Family

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Independent Claims | See all claims (22)

  1. 1. A KeyScreen comprising: a touchscreen for providing a position signal indicative of location thereon; a keypad disposed over said touchscreen, and having a plurality of hollow articulated keys to operatively engage said touchscreen upon depression thereof; and each of said keys includes a target resiliently supported around a perimeter thereof to a common web by a support wall integral therewith, and said support wall is resilient and elastic for being deformed during depression and returning to original shape after depression to provide snap action tactile feedback.
  2. 4. A keyscreen comprising: a touchscreen for providing a position signal indicative of location thereon; a keypad disposed over said touchscreen, and having a plurality of articulated keys to operatively engage said touchscreen upon depression thereof; wherein said keys include a barrier over said touchscreen for preventing direct actuation thereof, and said keys are resiliently supported over said touchscreen for being resiliently depressed toward said touchscreen for in turn actuating said touchscreen; and wherein each of said keys further includes a target defining at least a portion of said barrier resiliently supported by a web, with said target being depressible toward said touchscreen for actuation upon depression thereof to effect said position signal.