IP Library › Granted Patent US 9,086,851
Granted Patent B2
US 9,086,851 · App. 13/269,430 · Granted Jul 21, 2015

Curved key input form factors of handheld devices

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Quick Facts
Patent No.
US 9,086,851
App. No.
13/269,430
Granted
Jul 21, 2015
Kind
B2
Abstract

Handheld devices are described herein with display portions and with key input portions having curved form factors. The key input portions have form factors that are concave or convex with respect to a plane formed by two edges of a surface of the display portion.

Claims (8)

1. A handheld device comprising:

a planar display portion; and

a key input portion adjacent to the planar display portion, the key input portion being curved in a direction that is substantially orthogonal to a plane formed by the planar display portion,

wherein the curve of the key input portion is configured in association with an arc value determined using a radius of 20 centimeters,

wherein a shoulder space between an edge of the key input portion and an edge of a casing of the handheld device is within a range of 2.5 to 5 millimeters, and

wherein a key center-to-center width between adjacent keys of the key input portion is within a range of 5.5 to 8 millimeters.

2. The handheld device of claim 1 wherein the curve of the key input portion is a concave curve.

3. The handheld device of claim 1 , wherein the curve of the key input portion is a convex curve.

Assignments (7)
RELEASE OF SECURITY INTEREST Recorded Aug 23, 2022
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: IBSV LLC; LAYER3 TV, LLC; PUSHSPRING, LLC; T-MOBILE CENTRAL LLC; T-MOBILE USA, INC.; ASSURANCE WIRELESS USA, L.P.; BOOST WORLDWIDE, LLC; CLEARWIRE COMMUNICATIONS LLC; CLEARWIRE IP HOLDINGS LLC; SPRINTCOM LLC; SPRINT COMMUNICATIONS COMPANY L.P.; SPRINT INTERNATIONAL INCORPORATED; SPRINT SPECTRUM LLC
Reel/Frame 062595/0001 →
SECURITY AGREEMENT Recorded Apr 2, 2020
From: T-MOBILE USA, INC.; ISBV LLC; T-MOBILE CENTRAL LLC; LAYER3 TV, INC.; PUSHSPRING, INC.; BOOST WORLDWIDE, LLC; CLEARWIRE COMMUNICATIONS LLC; CLEARWIRE IP HOLDINGS LLC; CLEARWIRE LEGACY LLC; SPRINT COMMUNICATIONS COMPANY L.P.; SPRINT INTERNATIONAL INCORPORATED; SPRINT SPECTRUM L.P.; ASSURANCE WIRELESS USA, L.P.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 053182/0001 →
RELEASE OF SECURITY INTEREST Recorded Apr 1, 2020
From: DEUTSCHE TELEKOM AG
To: T-MOBILE USA, INC.; IBSV LLC
Reel/Frame 052969/0381 →
RELEASE OF SECURITY INTEREST Recorded Apr 1, 2020
From: DEUTSCHE BANK AG NEW YORK BRANCH
To: T-MOBILE USA, INC.; IBSV LLC; METROPCS COMMUNICATIONS, INC.; METROPCS WIRELESS, INC.; T-MOBILE SUBSIDIARY IV CORPORATION; LAYER3 TV, INC.; PUSHSPRING, INC.
Reel/Frame 052969/0314 →
INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded Dec 30, 2016
From: T-MOBILE USA, INC.
To: DEUTSCHE TELEKOM AG
Reel/Frame 041225/0910 →
SECURITY AGREEMENT Recorded Nov 17, 2015
From: T-MOBILE USA, INC.; METROPCS COMMUNICATIONS, INC.; T-MOBILE SUBSIDIARY IV CORPORATION
To: DEUTSCHE BANK AG NEW YORK BRANCH, AS ADMINISTRATIVE AGENT
Reel/Frame 037125/0885 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 7, 2011
From: MCLOONE JR., HUGH EDWARD; KEMERY, MICHAEL; COLLINS, MAURA C.
To: T-MOBILE U.S.A, INC.
Reel/Frame 027033/0370 →