US5481616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug-in sound accessory for portable computers
Assignee: ALST TECHNICAL EXCELLECNCE CENTER Corp
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Filing: 1993-11-08
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Granted: 1996-01-02
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Expires: 2013-11-08
Abstract
Abstract A portable computer is equipped with a sound capability by plugging a personal computer memory card international association (PCMCIA) card having an on-board master speaker module into a PCMCIA slot. A slave speaker module in wireless communication with the master speaker module may also be used to radiate sound.
Inventors
- 👤 Tommyca Freadman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:02
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1632; H; H04; H04R; H04R5/00; H04R5/02
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
85 words
A sound accessory for a portable computer having a personal computer memory card international association (PCMCIA) slot, comprising: a) a PCMCIA card insertable into the slot; b) master speaker means mounted to the card, so as to move with the card during insertion of the card; and c) driver means on at least one of the card and the master speaker means, for processing audio digital signals generated by the computer into master drive signals for driving the master speaker means to radiate sound therefrom.
Claim 2
Dependent Claim
85 words
A sound accessory for a portable computer having a personal computer memory card international association (PCMCIA) slot, comprising: a) a PCMCIA card insertable into the slot; b) master speaker means mounted to the card, so as to move with the card during insertion of the card; and c) driver means on at least one of the card and the master speaker means, for processing audio digital signals generated by the computer into master drive signals for driving the master speaker means to radiate sound therefrom.
Claim 3
Dependent Claim
51 words
The accessory according to claim 1, wherein the driver means includes means for processing the audio digital signals into slave drive signals; and further comprising slave speaker means remote from the card; and also comprising means for conducting the slave drive signals to the slave speaker means to radiate sound therefrom.
Claim 4
Dependent Claim
31 words
The accessory according to claim 2, wherein each speaker means includes a housing having a loudspeaker mounted therein, and wherein each drive signal is an analog signal for driving each loudspeaker.
Claim 5
Dependent Claim
18 words
The accessory according to claim 3; and further comprising means for detachably connecting each housing to the other.
Claim 6
Dependent Claim
47 words
The accessory according to claim 2, wherein the conducting means includes transmitter means on the master speaker means for transmitting the slave drive signals to the slave speaker means, and receiver means on the slave speaker means for receiving the slave drive signals from the transmitter means.
Claim 7
Dependent Claim
23 words
The accessory according to claim 5, wherein the transmitter means and the receiver means include a wireless transmitter and a wireless receiver, respectively.
Claim 8
Dependent Claim
21 words
The accessory according to claim 1, wherein the master speaker means includes a housing fixedly and permanently attached to the card.
Claim 9
Dependent Claim
21 words
The accessory according to claim 1, wherein the master speaker means includes a housing mounted for movement relative to the card.
Claim 10
Dependent Claim
46 words
The accessory according to claim 1; and further comprising microphone means on the master speaker means for converting sound waves into microphone analog signals; and microphone interface means on the card for converting the microphone analog signals into microphone digital signals for input into the computer.
Claim 11
Dependent Claim
140 words
A sound accessory for a portable computer having an accessory card insertion slot adapted for receiving cards providing additional functions for the computer, said sound accessory comprising: a) a sound accessory card insertable into the slot; b) master speaker means mounted to the card so as to move with the card during insertion of the card; c) driver means on at least one of the card and the master speaker means, for processing audio digital signals generated by the computer into master drive signals for driving the master speaker means to radiate sound therefrom; d) microphone means on the master speaker means for converting sound waves into microphone digital signals for input into the computer; and e) telephone interface means on the card operatively connecting the microphone means and the driver means for converting the sound accessory to a speakerphone.
Claim 12
Dependent Claim
140 words
A sound accessory for a portable computer having an accessory card insertion slot adapted for receiving cards providing additional functions for the computer, said sound accessory comprising: a) a sound accessory card insertable into the slot; b) master speaker means mounted to the card so as to move with the card during insertion of the card; c) driver means on at least one of the card and the master speaker means, for processing audio digital signals generated by the computer into master drive signals for driving the master speaker means to radiate sound therefrom; d) microphone means on the master speaker means for converting sound waves into microphone digital signals for input into the computer; and e) telephone interface means on the card operatively connecting the microphone means and the driver means for converting the sound accessory to a speakerphone.
Claim 13
Dependent Claim
158 words
A sound accessory for a portable computer having an accessory card insertion slot adapted for receiving cards providing additional functions for the computer, said sound accessory comprising: a) a sound accessory card insertable into the slot; b) master speaker means mounted to the card so as to move with the card during insertion of the card; and c) driver means on at least one of the card and the master speaker means, for processing audio digital signals generated by the computer into master drive signals for driving the master speaker means to radiate sound therefrom, wherein the portable computer is a laptop having a display on a cover mounted for movement relative to a casing on which a keyboard is supported, and wherein the casing has a side wall through which the slot extends, and wherein the master speaker means includes a housing which exteriorly engages said side wall upon full insertion of the card into the slot.
Claim 14
Dependent Claim
158 words
A sound accessory for a portable computer having an accessory card insertion slot adapted for receiving cards providing additional functions for the computer, said sound accessory comprising: a) a sound accessory card insertable into the slot; b) master speaker means mounted to the card so as to move with the card during insertion of the card; and c) driver means on at least one of the card and the master speaker means, for processing audio digital signals generated by the computer into master drive signals for driving the master speaker means to radiate sound therefrom, wherein the portable computer is a laptop having a display on a cover mounted for movement relative to a casing on which a keyboard is supported, and wherein the casing has a side wall through which the slot extends, and wherein the master speaker means includes a housing which exteriorly engages said side wall upon full insertion of the card into the slot.
Claim 15
Dependent Claim
156 words
A sound accessory for a portable computer having an accessory card insertion slot adapted for receiving cards providing additional functions for the computer, said sound accessory comprising: a) a sound accessory card insertable into the slot; b) master speaker means mounted to the card so as to move with the card during insertion of the card; and c) driver means on at least one of the card and the master speaker means, for processing audio digital signals generated by the computer into master drive signals for driving the master speaker means to radiate sound therefrom, wherein the portable computer is a hand-held, personal digital assistant device having a casing on which a pencontrolled display and control keys are supported, and wherein the casing has a side wall through which the slot extends, and wherein the master speaker means includes a housing which exteriorly engages said side wall upon full insertion of the card into the slot.
Claim 16
Dependent Claim
156 words
A sound accessory for a portable computer having an accessory card insertion slot adapted for receiving cards providing additional functions for the computer, said sound accessory comprising: a) a sound accessory card insertable into the slot; b) master speaker means mounted to the card so as to move with the card during insertion of the card; and c) driver means on at least one of the card and the master speaker means, for processing audio digital signals generated by the computer into master drive signals for driving the master speaker means to radiate sound therefrom, wherein the portable computer is a hand-held, personal digital assistant device having a casing on which a pencontrolled display and control keys are supported, and wherein the casing has a side wall through which the slot extends, and wherein the master speaker means includes a housing which exteriorly engages said side wall upon full insertion of the card into the slot.
Claim 17
Dependent Claim
95 words
A sound accessory for a portable computer having an accessory card insertion slot adapted for receiving cards providing additional functions for the computer, said sound accessory comprising: a) a sound accessory card insertable into the slot; b) master speaker means mounted to the card so as to move with the card during insertion of the card; and c) driver means on at least one of the card and the master speaker means, for processing audio digital signals generated by the computer into master drive signals for driving the master speaker means to radiate sound therefrom.
Claim 18
Dependent Claim
95 words
A sound accessory for a portable computer having an accessory card insertion slot adapted for receiving cards providing additional functions for the computer, said sound accessory comprising: a) a sound accessory card insertable into the slot; b) master speaker means mounted to the card so as to move with the card during insertion of the card; and c) driver means on at least one of the card and the master speaker means, for processing audio digital signals generated by the computer into master drive signals for driving the master speaker means to radiate sound therefrom.
References Cited (Backward Citations)
US5148490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-01-01 | 1999-07-03 | 2000-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-01 | 2003-07-03 | 2004-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-01 | 2007-07-03 | 2008-01-02 | $7700.00 | Window Closed / Lapsed |