# US 12,001,250 B2 · Portable information handling system antenna system

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- Number: US 12,001,250 B2
- Document ID: US12001250B2
- Status: Granted
- Kind: B2
- Application number: 17/874,393
- Filed: 2022-07-27
- Published: 2024-02-01
- Granted: 2024-06-04
- Earliest claimed: 2022-07-27
- Assignees: Dell Products L.P.
- Applicants: Dell Products L.P.
- Inventors: Changsoo Kim; Mark Andrew Schwager; Nicholas Gregory DiLoreto; Kai-Yuan Cheng
- Web page: https://patentgrep.com/patent/US12001250B2

## CPC

- 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)}
- G06F 1/1616: {with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position}
- G06F 1/1681: {Details related solely to hinges (hinge details related to the transmission of signals or power are classified in G06F1/1683)}
- G06F 1/203: {for portable computers, e.g. for laptops}
- H01Q 1/02: Arrangements for de-icing; Arrangements for drying-out {; Arrangements for cooling; Arrangements for preventing corrosion}
- H01Q 1/2266: {disposed inside the computer}
- H01Q 1/36: Structural form of radiating elements, e.g. cone, spiral, umbrella; {Particular materials used therewith}(H01Q1/08, H01Q1/14 take precedence)
- H01Q 1/42: Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q 1/44: using equipment having another main function to serve additionally as an antenna {, e.g. means for giving an antenna an aesthetic aspect}(H01Q1/27 - H01Q1/34 take precedence)
- H01Q 1/52: Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure (absorbing means H01Q17/00)
- H01Q 13/08: Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
- H01Q 13/10: Resonant slot antennas
- H01Q 21/08: the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)}
- H05K 7/20409: {Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing}
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS

## Abstract

An antenna system for a portable information handling system. The antenna system includes an antenna radiating element and an antenna carrier assembly, the antenna radiating element being mounted to the antenna carrier assembly, the antenna carrier assembly comprising a first radiating slot and a second radiating slot, the first radiating slot providing a radiation path through a C-Cover of a base chassis of the portable information handling system in a lid open state of operation, the second radiating slot providing a radiation path through a D-cover of a base chassis of the portable information handling system in a lid closed state of operation.

## Claims

### Claim 1

An antenna system for a portable information handling system, comprising:
an antenna radiating element; and,
an antenna carrier assembly, the antenna radiating element being mounted to the antenna carrier assembly, the antenna carrier assembly comprising a first radiating slot and a second radiating slot, the first radiating slot providing a radiation path through a C-Cover of a base chassis of the portable information handling system in a lid open state of operation, the second radiating slot providing a radiation path through a D-cover of a base chassis of the portable information handling system in a lid closed state of operation; and wherein
the antenna carrier assembly includes an air flow portion, the airflow portion functioning cooperatively with a thermal assembly to allow air flow out a rear portion of the base chassis of the portable information handling system.

### Claim 2 (depends on 1)

The antenna system of claim 1, wherein:
the second radiating slot is positioned under a foot of the base chassis of the portable information handling system.

### Claim 3 (depends on 1)

The antenna system of claim 1, wherein:
the airflow portion defines a plurality of apertures, the plurality of apertures being configured to facilitate air flow as well as RF radiation transmission.

### Claim 4 (depends on 3)

The antenna system of claim 3, wherein:
the dimensions of the plurality of apertures correspond to Lambda over eight of the high frequency of the antenna system.

### Claim 5 (depends on 1)

The antenna system of claim 1, wherein:
the air flow portion comprises a mesh wall, the mesh wall providing a noise isolation function.

### Claim 6

An information handling system comprising:
a processor;
a data bus coupled to the processor; and
an information handling system chassis housing, the chassis housing comprising a base chassis, the base chassis comprising an antenna system, the antenna system comprising
an antenna radiating element; and,
an antenna carrier assembly, the antenna radiating element being mounted to the antenna carrier assembly, the antenna carrier assembly comprising a first radiating slot and a second radiating slot, the first radiating slot providing a radiation path through a C-Cover of the base chassis of the portable information handling system in a lid open state of operation, the second radiating slot providing a radiation path through a D-cover of the base chassis of the portable information handling system in a lid closed state of operation; and wherein
the antenna carrier assembly includes an air flow portion, the airflow portion functioning cooperatively with a thermal assembly to allow air flow out a rear portion of the base chassis of the portable information handling system.

### Claim 7 (depends on 6)

The information handling system of claim 6, wherein:
the second radiating slot is positioned under a foot of the base chassis of the portable information handling system.

### Claim 8 (depends on 6)

The information handling system of claim 6, wherein:
the airflow portion defines a plurality of apertures, the plurality of apertures being configured to facilitate air flow as well as RF radiation transmission.

### Claim 9 (depends on 8)

The information handling system of claim 8, wherein:
the dimensions of the plurality of apertures correspond to Lambda over eight of the high frequency of the antenna system.

### Claim 10 (depends on 6)

The information handling system of claim 6, wherein:
the air flow portion comprises a mesh wall, the mesh wall providing a noise isolation function.