WO2002029924A1 - Peripheral device for a portable computer including a retractable antenna - Google Patents

Peripheral device for a portable computer including a retractable antenna Download PDF

Info

Publication number
WO2002029924A1
WO2002029924A1 PCT/GB2001/004218 GB0104218W WO0229924A1 WO 2002029924 A1 WO2002029924 A1 WO 2002029924A1 GB 0104218 W GB0104218 W GB 0104218W WO 0229924 A1 WO0229924 A1 WO 0229924A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
card
peripheral device
casing
rotatably mounted
Prior art date
Application number
PCT/GB2001/004218
Other languages
French (fr)
Inventor
Thomas Albert Gaskell
Original Assignee
Ubinetics Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ubinetics Limited filed Critical Ubinetics Limited
Priority to AU2001290070A priority Critical patent/AU2001290070A1/en
Publication of WO2002029924A1 publication Critical patent/WO2002029924A1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • H01Q1/2275—Supports; Mounting means by structural association with other equipment or articles used with computer equipment associated to expansion card or bus, e.g. in PCMCIA, PC cards, Wireless USB
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/084—Pivotable antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices

Definitions

  • This invention relates to a peripheral device for a computer, and in particular to a PC card such as a wireless PC card.
  • PC card peripheral devices typically comprise a printed circuit board (PCB) carrying a number of sub-circuits, these sub-circuits enabling the PC card to perform its predetermined peripheral function.
  • PCB printed circuit board
  • the use of PC card devices is becoming increasingly important due to their small size. This enables usage with compact computer systems, such as laptop computers, and personal digital assistants (PDAs).
  • PC cards are designed to meet the so-called PCMCIA standards.
  • a wireless PC card has sub-circuits for fulfilling most of the functions of a mobile telephone, that is say functions other than those of an antenna, a subscriber identity module (SIM) card if the associated mobile telecommunications network requires such a card, a microphone and a loudspeaker (or earpiece).
  • SIM subscriber identity module
  • a wireless PC card is, therefore, essentially a mobile telephone housed within the PC card format, and it allows an associated host device (such as a palm top device, a laptop computer or a PDA) to communicate via a mobile telecommunications network.
  • the type of PC card used is usually a type 2 card, namely one that is 5 mm thick.
  • a wireless PC card is usually partially enclosed by the host device, the card having a portion that protrudes from the host device, that portion usually being provided with an antenna for transmitting signals to, and receiving signals from, a base transceiver station of a mobile telecommunications network.
  • a known wireless PC card makes specific demands of its antenna, because the antenna is positioned close to the body of the host device. Where the host device is a palm top device, a laptop computer or a PDA, the position of the antenna may interfere with the positions of the user's hands on the keyboard of the host device. There is also the possibility that the antenna will be easily damaged, and it may be aesthetically unpleasing, being unsuitable and out-of-keeping with "high-tech" nature of such products.
  • the present invention provides a peripheral device for a computer, the peripheral device being constituted by a PC card and an antenna, the antenna being attached to the PC card so as to be movable between first and second positions.
  • the antenna has a conductor arranged substantially in a flat plane.
  • the antenna is a flat blade antenna, the axis of the antenna lying generally in the plane of the PC card when the antenna is in the first position, and lying generally at right-angles to the plane of the PC card when the antenna is in its second position.
  • the antenna is rotatably mounted on the casing of the PC card, preferably in such a manner that there is a gap of substantially 6 mm between the antenna and the adjacent surface of the PC card when the antenna is in its first position.
  • the antenna is rotatably mounted on the casing of the PC by means of an RF connector fixed to the antenna, the RF connector being rotatably mounted within an aperture in the casing.
  • the antenna is provided with a flange made of flexible material, the flange being sized and positioned so that its free end frictionally engages the casing of the PC card.
  • an annular skirt constitutes the flange, the annular skirt surrounding the RF connector.
  • the antenna is constituted by a conductive element in the form of the flexible PCB moulded into a soft outer moulding made of plastics material such as polypropylene or unfilled nylon, or of natural or synthetic rubber or silicone.
  • FIG. 1 is a plan view of the PC card showing its antenna in a first position
  • Figure 2 is a side view of the PC card showing the antenna in a second position
  • Figure 3 shows a modified form of antenna and its connection to the PC card.
  • Figure 1 shows a type 2 PC card 1 (that is to say a PC card which is 5 mm thick) connected to a flat blade antenna 2 by means of an RF connector 3 which is connected to a complementary RF connector 4 inside the PC card.
  • the RF connector 3 is rotatably mounted on the complementary RF connector 4 so that the antenna 2 can be rotated (as indicated by the arrow B) from the position shown in Figure 1, in which its axis is generally aligned with the plane of the PC card 1, to the position shown in Figure 2, in which its axis is at right-angles to the PC card.
  • the antenna 2 is made of a conductive element in the form of a flexible PCB moulded into a soft outer moulding made of a plastics material (such as polypropylene, unfilled nylon or silicone) or natural or synthetic rubber.
  • the RF connector 3 is sized so as to leave a gap of 6 mm between the surface 2a of the antenna 2 and the adjacent surface la of the PC card 1. This ensures that, when the end surface la of the PC card 1 lies sub-flush (by up to 6mm) with respect to the outer surface of the host device, the antenna 2 will be positioned outside the host device so as to be rotatable about its axis.
  • the PC card 1 is inserted, in the direction of the arrow C, into a PC card slot of a laptop computer or a PDA.
  • the antenna 2 can be rotated through 90°, in the direction of the arrow B, so that (as shown in Figure 2) it extends substantially vertically. In this position, the PC card 1 supplements the functions of the laptop computer or PDA to simulate a mobile telephone.
  • the antenna 2 is positioned close to the front of the PC card 1, and hence close to the mouth of the PC card slot, there is a reduced risk of the antenna being contacted (when in the "stowed" position shown in Figure 1) by the hands of the user even when the keyboard of the laptop device or PDA is positioned close to the PC slot.
  • the antenna 2 because of its flexible construction, even if the antenna 2 is contacted by the hands of a user, it is less likely to be damaged than known types of antenna. Similarly, the flexibility of the antenna 2, combined with it having no more than a minimal protrusion away f om the host laptop computer or PDA, means that it is less likely to be damaged by impact with other objects, rough handling, etc and is less likely to injure the user (for example, by impact with the user's eye).
  • the antenna 2 can be rotated to a vertical orientation during normal use as a mobile telephone, or to a horizontal orientation, when mobile telephony is not required, thereby reducing the possibility of contact with the hands of a user manipulating the keyboard.
  • the PC card 1 could be used for mobile telephony with the antenna 2 in the horizontal position, though this may give some reduction in mobile telephony performance during wireless operation.
  • the antenna 2 may be short and thin enough to be stowed (when not in use) within the PC card bay of the associated laptop computer or PDA, and the outer door shut over it. In this case, the arrangement is such that there is substantially no gap between the surfaces 2a and la. In other applications, the gap between the surfaces 2a and la will be varied to suit particular features of those arrangements.
  • antenna 2 is compact and looks “high-tech”, that is to say in keeping with the compact nature of a wireless type 2 PC card and a portable PC or PDA.
  • Figure 3 shows a modified form of antenna.
  • This antenna is very similar to that of Figures 1 and 2, so like reference numerals will be used to like parts, and only the modifications will be described in detail.
  • the antenna 2 of the embodiment of Figure 3 is provided with a flexible annular skirt 5 made of plastics material.
  • the skirt 5 surrounds the RF connector 3, and is sized such that its free end frictionally engages the end surface la of the PC card 1. The friction between the end of the skirt 5 and the surface la allows the antenna 2 to rotate, but prevents accidentally rotation, for example under the effect of gravity.
  • the flat blade antenna 2 could be replaced by any form of antenna with conducting elements arranged mainly in a flat plane.
  • monopolar or bipolar configurations possibly combined with a wound or printed coiled element and arranged in a substantially flat plane, would be possible.
  • the antenna 2 could be any form of flexible element housed within any form of flexible insulating substrate.
  • the wireless card could provide wireless LAN or other wireless data functions, or could be provided in different physical forms such as a compact flash card.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Support Of Aerials (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A peripheral device for a computer is constituted by a PC card (1) and an antenna (2), the antenna being attached to the PC card so as to be movable between first and second positions.

Description

PERIPHERAL DEVICE FOR A PORTABLE COMPUTER INCLUDING A RETRACTABLE ANTENNA
This invention relates to a peripheral device for a computer, and in particular to a PC card such as a wireless PC card.
Many modem computer systems operate with PC card peripheral devices. A PC card • typically comprises a printed circuit board (PCB) carrying a number of sub-circuits, these sub-circuits enabling the PC card to perform its predetermined peripheral function. The use of PC card devices is becoming increasingly important due to their small size. This enables usage with compact computer systems, such as laptop computers, and personal digital assistants (PDAs). Typically, PC cards are designed to meet the so-called PCMCIA standards.
A wireless PC card has sub-circuits for fulfilling most of the functions of a mobile telephone, that is say functions other than those of an antenna, a subscriber identity module (SIM) card if the associated mobile telecommunications network requires such a card, a microphone and a loudspeaker (or earpiece). A wireless PC card is, therefore, essentially a mobile telephone housed within the PC card format, and it allows an associated host device (such as a palm top device, a laptop computer or a PDA) to communicate via a mobile telecommunications network. The type of PC card used is usually a type 2 card, namely one that is 5 mm thick.
- A wireless PC card is usually partially enclosed by the host device, the card having a portion that protrudes from the host device, that portion usually being provided with an antenna for transmitting signals to, and receiving signals from, a base transceiver station of a mobile telecommunications network. A known wireless PC card makes specific demands of its antenna, because the antenna is positioned close to the body of the host device. Where the host device is a palm top device, a laptop computer or a PDA, the position of the antenna may interfere with the positions of the user's hands on the keyboard of the host device. There is also the possibility that the antenna will be easily damaged, and it may be aesthetically unpleasing, being unsuitable and out-of-keeping with "high-tech" nature of such products.
The present invention provides a peripheral device for a computer, the peripheral device being constituted by a PC card and an antenna, the antenna being attached to the PC card so as to be movable between first and second positions.
Advantageously, the antenna has a conductor arranged substantially in a flat plane.
In a preferred embodiment, the antenna is a flat blade antenna, the axis of the antenna lying generally in the plane of the PC card when the antenna is in the first position, and lying generally at right-angles to the plane of the PC card when the antenna is in its second position.
Advantageously, the antenna is rotatably mounted on the casing of the PC card, preferably in such a manner that there is a gap of substantially 6 mm between the antenna and the adjacent surface of the PC card when the antenna is in its first position.
In a preferred embodiment, the antenna is rotatably mounted on the casing of the PC by means of an RF connector fixed to the antenna, the RF connector being rotatably mounted within an aperture in the casing. Advantageously, the antenna is provided with a flange made of flexible material, the flange being sized and positioned so that its free end frictionally engages the casing of the PC card. Preferably, an annular skirt constitutes the flange, the annular skirt surrounding the RF connector.
Preferably, the antenna is constituted by a conductive element in the form of the flexible PCB moulded into a soft outer moulding made of plastics material such as polypropylene or unfilled nylon, or of natural or synthetic rubber or silicone.
A wireless PC card constructed in accordance with the invention will now be described in greater detail, by way of example, with reference to the drawings, in which:- Figure 1 is a plan view of the PC card showing its antenna in a first position; Figure 2 is a side view of the PC card showing the antenna in a second position; and
Figure 3 shows a modified form of antenna and its connection to the PC card.
Referring to the drawings, Figure 1 shows a type 2 PC card 1 (that is to say a PC card which is 5 mm thick) connected to a flat blade antenna 2 by means of an RF connector 3 which is connected to a complementary RF connector 4 inside the PC card. The RF connector 3 is rotatably mounted on the complementary RF connector 4 so that the antenna 2 can be rotated (as indicated by the arrow B) from the position shown in Figure 1, in which its axis is generally aligned with the plane of the PC card 1, to the position shown in Figure 2, in which its axis is at right-angles to the PC card. The antenna 2 is made of a conductive element in the form of a flexible PCB moulded into a soft outer moulding made of a plastics material (such as polypropylene, unfilled nylon or silicone) or natural or synthetic rubber. The RF connector 3 is sized so as to leave a gap of 6 mm between the surface 2a of the antenna 2 and the adjacent surface la of the PC card 1. This ensures that, when the end surface la of the PC card 1 lies sub-flush (by up to 6mm) with respect to the outer surface of the host device, the antenna 2 will be positioned outside the host device so as to be rotatable about its axis.
In use, the PC card 1 is inserted, in the direction of the arrow C, into a PC card slot of a laptop computer or a PDA. When the PC card 1 is in place, the antenna 2 can be rotated through 90°, in the direction of the arrow B, so that (as shown in Figure 2) it extends substantially vertically. In this position, the PC card 1 supplements the functions of the laptop computer or PDA to simulate a mobile telephone. As the antenna 2 is positioned close to the front of the PC card 1, and hence close to the mouth of the PC card slot, there is a reduced risk of the antenna being contacted (when in the "stowed" position shown in Figure 1) by the hands of the user even when the keyboard of the laptop device or PDA is positioned close to the PC slot. Moreover, because of its flexible construction, even if the antenna 2 is contacted by the hands of a user, it is less likely to be damaged than known types of antenna. Similarly, the flexibility of the antenna 2, combined with it having no more than a minimal protrusion away f om the host laptop computer or PDA, means that it is less likely to be damaged by impact with other objects, rough handling, etc and is less likely to injure the user (for example, by impact with the user's eye).
The antenna 2 can be rotated to a vertical orientation during normal use as a mobile telephone, or to a horizontal orientation, when mobile telephony is not required, thereby reducing the possibility of contact with the hands of a user manipulating the keyboard. Of course, the PC card 1 could be used for mobile telephony with the antenna 2 in the horizontal position, though this may give some reduction in mobile telephony performance during wireless operation. Moreover, in some applications the antenna 2 may be short and thin enough to be stowed (when not in use) within the PC card bay of the associated laptop computer or PDA, and the outer door shut over it. In this case, the arrangement is such that there is substantially no gap between the surfaces 2a and la. In other applications, the gap between the surfaces 2a and la will be varied to suit particular features of those arrangements.
Another advantage of the antenna 2 is that it is compact and looks "high-tech", that is to say in keeping with the compact nature of a wireless type 2 PC card and a portable PC or PDA.
Figure 3 shows a modified form of antenna. This antenna is very similar to that of Figures 1 and 2, so like reference numerals will be used to like parts, and only the modifications will be described in detail. Thus, the antenna 2 of the embodiment of Figure 3 is provided with a flexible annular skirt 5 made of plastics material. The skirt 5 surrounds the RF connector 3, and is sized such that its free end frictionally engages the end surface la of the PC card 1. The friction between the end of the skirt 5 and the surface la allows the antenna 2 to rotate, but prevents accidentally rotation, for example under the effect of gravity.
It will be apparent that the PC card described above could be modified in a number of ways. For example, the flat blade antenna 2 could be replaced by any form of antenna with conducting elements arranged mainly in a flat plane. In particular, monopolar or bipolar configurations, possibly combined with a wound or printed coiled element and arranged in a substantially flat plane, would be possible. Moreover, the antenna 2 could be any form of flexible element housed within any form of flexible insulating substrate. Moreover, the wireless card could provide wireless LAN or other wireless data functions, or could be provided in different physical forms such as a compact flash card.

Claims

Claims
1. A peripheral device for a computer, the peripheral device being constituted by a PC card and an antenna, the antenna being attached to the PC card so as to be movable between first and second positions.
2. A peripheral device as claimed in claim 1, wherein the antenna has a conductor arranged substantially in a flat plane.
3. A peripheral device as claimed in claim 1 or claim 2, wherein the antenna is a flat blade antenna, the axis of the antenna lying generally in the plane of the PC card when the antenna is in the first position, and lying generally at right-angles to the plane of the PC card when the antenna is in its second position.
4. A peripheral device as claimed in any one of claims 1 to 3, wherein the antenna is rotatably mounted on the casing of the PC card.
5. A peripheral device as claimed in claim 4, wherein the antenna is rotatably mounted on the casing of the PC card in such a manner that there is a gap of substantially 6 mm between the antenna and the adjacent surface of the PC card when the antenna is in its first position.
6. A peripheral device as claimed in claim 4 or claim 5, wherein the antenna is rotatably mounted on the casing of the PC by means of an RF connector fixed to the antenna, the RF connector being rotatably mounted within an aperture in the casing.
7. A peripheral device as claimed in claim 6, wherein the antenna is provided with a flange made of flexible material, the flange being sized and positioned so that its free end frictionally engages the casing of the PC card.
8. A peripheral device as claimed in claim 7, wherein an annular skirt constitutes the flange, the annular skirt surrounding the RF connector.
9. A peripheral device as claimed in any one of claims 1 to 8, wherein the antenna is constituted by a conductive element in the form of a flexible PCB moulded into a soft outer moulding.
10. A peripheral device as claimed in claim 9, wherein the soft outer moulding is made of a plastics material.
11. A peripheral device as claimed in claim 10, wherein the plastics material is polypropylene or unfilled nylon.
12. A peripheral device as claimed in claim 9, wherein the soft outer moulding is natural or synthetic rubber, or silicone.
PCT/GB2001/004218 2000-10-02 2001-09-20 Peripheral device for a portable computer including a retractable antenna WO2002029924A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001290070A AU2001290070A1 (en) 2000-10-02 2001-09-20 Peripheral device for a portable computer including a retractable antenna

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0024083.8 2000-10-02
GBGB0024083.8A GB0024083D0 (en) 2000-10-02 2000-10-02 Peripheral device for a computer

Publications (1)

Publication Number Publication Date
WO2002029924A1 true WO2002029924A1 (en) 2002-04-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/004218 WO2002029924A1 (en) 2000-10-02 2001-09-20 Peripheral device for a portable computer including a retractable antenna

Country Status (3)

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AU (1) AU2001290070A1 (en)
GB (2) GB0024083D0 (en)
WO (1) WO2002029924A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2483646A (en) * 2010-09-14 2012-03-21 Connor Alan Salter Plug-in antenna accessory for a mobile electronic device

Citations (4)

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US5361061A (en) * 1992-10-19 1994-11-01 Motorola, Inc. Computer card data receiver having a foldable antenna
US5779496A (en) * 1996-10-11 1998-07-14 International Business Machines Corporation Sliding connector block system for electronic devices
EP0936747A2 (en) * 1998-02-10 1999-08-18 Nokia Mobile Phones Ltd. Card-like wireless communication device
US6295031B1 (en) * 1993-12-23 2001-09-25 Symbol Technologies, Inc. Memory card assembly having an integral antenna

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US5373149A (en) * 1993-02-01 1994-12-13 At&T Bell Laboratories Folding electronic card assembly
GB2285341B (en) * 1993-12-28 1998-01-07 Nec Corp Device for controlling extension and retraction of an antenna
US5918163A (en) * 1995-03-31 1999-06-29 Compaq Computer Corporation Electronic card assembly having a retractable antenna
JPH08279027A (en) * 1995-04-04 1996-10-22 Toshiba Corp Radio communication card
DE29721867U1 (en) * 1997-12-10 1998-03-05 Eleon Systems, Inc., Kuei-Shan, Taoyuan Network card microwave antenna for handheld computers
US6172645B1 (en) * 1998-02-06 2001-01-09 Northrop Grumman Corporation Integrated extendable PCMCIA antenna
JPH11346108A (en) * 1998-06-01 1999-12-14 Kokusai Electric Co Ltd Ic memory card receiver
FI108205B (en) * 1999-08-06 2001-11-30 Nokia Mobile Phones Ltd Card-like wireless communication means and antenna construction
SE522874C2 (en) * 2000-02-24 2004-03-16 Ericsson Telefon Ab L M Antenna device comprising an antenna connector and a thin frame support structure supporting a circuit board

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361061A (en) * 1992-10-19 1994-11-01 Motorola, Inc. Computer card data receiver having a foldable antenna
US6295031B1 (en) * 1993-12-23 2001-09-25 Symbol Technologies, Inc. Memory card assembly having an integral antenna
US5779496A (en) * 1996-10-11 1998-07-14 International Business Machines Corporation Sliding connector block system for electronic devices
EP0936747A2 (en) * 1998-02-10 1999-08-18 Nokia Mobile Phones Ltd. Card-like wireless communication device

Also Published As

Publication number Publication date
GB2367951A (en) 2002-04-17
AU2001290070A1 (en) 2002-04-15
GB0024083D0 (en) 2000-11-15
GB0122694D0 (en) 2001-11-14
GB2367951B (en) 2004-02-18

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