Keyboard and mobile device with radio frequency antenna

• US 9,740,301 B2
• Filed: 11/07/2013
• Issued: 08/22/2017
• Est. Priority Date: 11/15/2012
• Status: Expired due to Fees

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kim, Ki-Jung, Lee, Jun-Hui, Choi, In-Kyu
• Primary Examiner(s): Han, Jessica
• Assistant Examiner(s): Salih, Awat
• Application Number:
  US14/074,155
• Publication Number:
  US 20140132461A1
• Time in Patent Office: 1,384 Days
• Field of Search: 343702, 345168
• CPC Class Codes: G06F 1/1698 the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone details of antennas disposed inside a computer H01Q1/2266
• CPC Class Codes: G06F 3/0231 Cordless keyboards
• CPC Class Codes: H01Q 1/2258 used with computer equipment
• CPC Class Codes: H01Q 1/2266 disposed inside the computer
• CPC Class Codes: H01Q 1/241 used in mobile communications, e.g. GSM H01Q1/247, H01Q1/248 take precedence
• CPC Class Codes: H01Q 1/242 specially adapted for hand-held use
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Abstract

A keyboard and mobile device are provided that include a plurality of keys installed in the keyboard or mobile device, and a radio frequency antenna device mounted below the plurality of keys.

Claims

1. A keyboard comprising:

a plurality of keys installed in the keyboard;

a radio frequency antenna device mounted below the plurality of keys; and

a membrane for supporting the radio frequency antenna device,

wherein the radio frequency antenna device is formed in a shape matching a frame, the frame being installed above the radio frequency antenna device, and

wherein the radio frequency antenna device is formed in a shape matching an arrangement of two or more of the plurality of keys, around a whole periphery of a block of two or more keys of the plurality of keys.

2. The keyboard of claim 1, wherein the radio frequency antenna device is mounted below spaces that exist between the two or more of the plurality of keys.

3. The keyboard of claim 1, wherein the radio frequency antenna device is mounted below spaces around the periphery of the block of two or more keys of the plurality of keys, and between the block of the two or more keys and keys adjacent to the block of two or more keys.

4. The keyboard of claim 1, wherein the block of two or more keys comprises “

O”

, “

P”

, “

[”

, “

L”

, “

;

” and

“

‘

”

keys.

5. The keyboard of claim 1, further comprising a frame for covering the radio frequency antenna device installed above the radio frequency antenna device.

6. The keyboard of claim 1, wherein a lower surface of the radio frequency antenna device is installed on the membrane.

7. The keyboard of claim 6, further comprising a reinforcing plate upon which the membrane is installed.

8. The keyboard of claim 1, wherein a mounting space is formed below spaces that exist between two or more of the plurality of keys such that the radio frequency antenna device is mounted therein.

9. A mobile device comprising:

a plurality of keys installed in the mobile device;

a radio frequency antenna device mounted below the plurality of keys; and

a membrane for supporting the radio frequency antenna device,

wherein the radio frequency antenna device is formed in a shape matching a frame, the frame being installed above the radio frequency antenna device, and

wherein the radio frequency antenna device is formed in a shape matching an arrangement of two or more of the plurality of keys, around a whole periphery of a block of two or more keys of the plurality of keys.

10. The mobile device of claim 9, wherein the radio frequency antenna device is mounted below spaces that exist between the two or more of the plurality of keys.

11. The mobile device of claim 9, wherein the radio frequency antenna device is mounted below spaces around the periphery of the block of two or more of the plurality of keys, and between the block of the two or more keys and keys adjacent to the block of two or more keys.

12. The mobile device of claim 9, wherein the block of two or more keys comprises “

O”

, “

P”

, “

[”

, “

L”

, “

;

” and

“

‘

”

keys.

13. The mobile device of claim 9, further comprising a frame for covering the radio frequency antenna device installed above the radio frequency antenna device.

14. The mobile device of claim 9, wherein a lower surface of the radio frequency antenna device is installed on the membrane.

15. The mobile device of claim 14, further comprising a reinforcing plate upon which the membrane is installed.

16. The mobile device of claim 9, wherein a mounting space is formed below spaces that exist between two or more of the plurality of keys such that the radio frequency antenna device is mounted therein.