Communication terminal

• US 7,811,124 B2
• Filed: 11/07/2007
• Issued: 10/12/2010
• Est. Priority Date: 11/23/2006
• Status: Active Grant

• Current Assignee: Optis Cellular Technology LLC (Brevet Capital)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Jang Ho, Kim, Kwan Hee
• Primary Examiner(s): NASRI, JAVAID H
• Application Number:
  US11/936,545
• Publication Number:
  US 20080124982A1
• Time in Patent Office: 1,070 Days
• Field of Search: 439578-581, 439/675
• US Class Current: 439/578
• CPC Class Codes: H01R 9/05 for coaxial cables
• CPC Class Codes: H04M 1/0235 Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
• CPC Class Codes: H04M 1/026 Details of the structure or mounting of specific components
• CPC Class Codes: H04M 1/0264 for a camera module assembly
• CPC Class Codes: H04M 1/0277 for a printed circuit board assembly
• CPC Class Codes: H04M 2250/10 including a GPS signal receiver
• CPC Class Codes: H04M 2250/52 including functional features of a camera constructional features concerning the integration of cameras in portable phones H04M1/0264

Abstract

According to an embodiment, a communication terminal is discussed, by which a coaxial cable capable of carrying a pair of signals is provided to the communication terminal and by which the case performs a grounding function for the coaxial cable to enhance the grounding function.

Claims

1. A communication terminal comprising:

a case;

a wireless communication unit provided in a lower part of the case;

a printed circuit board (PCB) part provided in an upper part of the case; and

a coaxial cable including;

a first connecting wire;

an inner insulating layer configured to enclose at least a part of the first connecting wire;

a second connecting wire configured to enclose at least a part of the inner insulating layer; and

an outer insulating layer configured to enclose at least a part of the second connecting wire and to expose a portion of the second connecting wire,

wherein the coaxial cable connects the wireless communication unit and the PCB part, and an inner surface of the case includes at least one fixing portion to fix the coaxial cable thereto, and

wherein the outer insulating layer includes at least one recessed portion to expose the portion of the second connecting wire externally, and the at least one of the fixing portion to fix the coaxial cable is fitted into the at least one recessed portion.

2. The communication terminal of claim 1, wherein the fixing portion is integrally formed with the case.

3. The communication terminal of claim 1, wherein the case is formed of a metal based material having electric conductivity.

4. The communication terminal of claim 1, wherein the first and second connecting wires of the coaxial cable carry different types of electrical signals, respectively.

5. A communication terminal comprising:

a case;

a wireless communication unit provided in a lower part of the case;

a printed circuit board (PCB) part provided in an upper part of the case; and

a coaxial cable including;

a first connecting wire;

an inner insulating layer configured to enclose at least a part of the first connecting wire;

a second connecting wire configured to enclose at least a part of the inner insulating layer; and

an outer insulating layer configured to enclose at least a part of the second connecting wire and to expose a portion of the second connecting wire,

wherein the coaxial cable connects the wireless communication unit and the PCB part, and an inner surface of the case includes at least one fixing portion to fix the coaxial cable thereto, and

wherein the inner insulating layer of the coaxial cable includes a plurality of penetration holes extending in a longitudinal direction.

6. A communication terminal comprising:

a first body having a display module;

a second body having a power supply unit;

a slide module provided between the first and second bodies, the slide module enabling the first and second bodies to be slidably assembled;

a wireless communication unit provided in a lower part of the second body;

a printed circuit board (PCB) part provided in an upper part of the second body and being spaced apart from the wireless communication unit; and

a coaxial cable including;

a first connecting wire;

an inner insulating layer configured to enclose at least a part of the first connecting wire;

a second connecting wire configured to enclose at least a part of the inner insulating layer; and

an outer insulating layer configured to enclose at least a part of the second connecting wire and to expose a portion of the second connecting wire,

wherein the coaxial cable connects the wireless communication unit and the PCB part, the coaxial cable is fixed to an inner side surface of the second body, and the first and second connecting wires of the coaxial cable carry different types of electrical signals, respectively, and

wherein the inner insulating layer includes a plurality of holes extending along the coaxial cable.

7. The communication terminal of claim 6, wherein the inner side surface of the second body includes at least one fixing portion integrally formed with a case of the second body to fix the coaxial cable thereto.

8. The communication terminal of claim 7, wherein the case is formed of a metal based material having electric conductivity.

9. The communication terminal of claim 7, wherein the second connecting wire is connected to a grounding part provided in the case.

10. The communication terminal of claim 9, wherein the grounding part is the inner side surface of the case and is formed of a metal based material having electric conductivity.

11. The communication terminal of claim 6, wherein the second body has at least one manipulating unit.

12. The communication terminal of claim 6, wherein the power supply unit is loaded in a rear part of the second body.

13. The communication terminal of claim 6, wherein the power supply unit is loaded in a lower part of the second body.

14. A communication terminal comprising:

at least one body having a housing;

a coaxial cable assembly including;

a first connecting wire;

an inner insulating layer configured to enclose at least a part of the first connecting wire;

a second connecting wire configured to enclose at least a part of the inner insulating layer;

an outer insulating layer configured to enclose at least a part of the second connecting wire; and

at least one circuit part connected to the second connecting wire to cut off electric waves, the at least one circuit part being provided in the at least one body;

a wireless communication unit provided in the at least one body;

a printed circuit board (PCB) part including a plurality of electronic parts provided in the at least one body, the PCB part being spaced apart from the wireless communication unit; and

a power supply unit provided in the at least one body,

wherein the first connecting wire electrically connects the wireless communication unit and the PCB part, the second connecting wire electrically connects the power supply unit and the PCB part, and the coaxial cable assembly is fixed to an inner side surface of the housing of the at least one body by at least one fixing portion integrally formed with the inner side surface of the housing of the at least one body, and

wherein the inner insulating layer includes a plurality of penetration holes extending in a longitudinal direction.

15. The communication terminal of claim 14, wherein the at least one fixing portion is formed on an inner side surface of the housing of the body in a longitudinal direction of the inner side surface of the housing of the body at predetermined intervals.

16. The communication terminal of claim 14, wherein the circuit part includes:

a grounding part connected to the second connecting wire to ground the second connecting wire; and

a capacitor provided between the second connecting wire and the grounding part.

17. The communication terminal of claim 16, wherein the at least one circuit part further includes:

a connecting portion between the second connecting wire and the capacitor; and

a different wire is connected in parallel to the connecting portion.

18. The communication terminal of claim 14, wherein the first connecting wire carries an RF signal and the second connecting wire carries a power signal.

19. The communication terminal of claim 14, wherein the at least one circuit part includes:

a first circuit part provided at a first end portion of the second connecting wire; and

a second circuit part provided at a second end portion of the second connecting wire,

wherein at least one of the first and second circuit parts includes;

a grounding part connected to the second connecting wire to ground the second connecting wire; and

a capacitor provided between the second connecting wire and the grounding part.

20. A communication terminal comprising:

at least one body having a housing;

a coaxial cable assembly including;

a first connecting wire;

an inner insulating layer configured to enclose at least a part of the first connecting wire;

a second connecting wire configured to enclose at least a part of the inner insulating layer;

an outer insulating layer configured to enclose at least a part of the second connecting wire; and

at least one circuit part connected to the second connecting wire to cut off electric waves, the at least one circuit part being provided in the at least one body;

a wireless communication unit provided in the at least one body;

a printed circuit board (PCB) part including a plurality of electronic parts provided in the at least one body, the PCB part being spaced apart from the wireless communication unit; and

a power supply unit provided in the at least one body,

wherein the first connecting wire electrically connects the wireless communication unit and the PCB part, the second connecting wire electrically connects the power supply unit and the PCB part, and the coaxial cable assembly is fixed to an inner side surface of the housing of the at least one body by at least one fixing portion integrally formed with the inner side surface of the housing of the at least one body, and

wherein the outer insulating layer includes a recess that exposes an outer surface of the second connecting wire, and the recess receives that at least one fixing portion to fixedly dispose the coaxial cable assembly in the communication terminal.

21. A communication terminal comprising:

a coaxial cable comprising;

a first connecting wire;

an inner insulating layer configured to enclose at least a part of the first connecting wire;

a second connecting wire configured to enclose at least a part of the inner insulating layer; and

an outer insulating layer configured to enclose at least a part of the second connecting wire and to expose a portion of the second connecting wire; and

a case having a part in contact with the exposed portion of the second connecting wire,

wherein the outer insulating layer includes at least one recessed portion to expose the portion of the second connecting wire externally, and an inner surface of the case includes at least one fixing portion to fix the coaxial cable thereto by being fitted into the at least one recessed portion.