US5793359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for RF communication between a computer and a remote wireless data input device
Assignee: Mitsumi Electric Co Ltd
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Filing: 1996-08-05
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Granted: 1998-08-11
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Expires: 2016-08-05
Abstract
Abstract A wireless data input device requiring no cable for connection to the keyboard or to the pointing device. A wireless keyboard 16 incorporating a pointing device has a data encoder 21 and an RF transmitter 22, and transmits the key data and the pointing cursor data to the reception unit 3 which is connected to a keyboard connector 6 and to a mouse connector 7 of a computer 1 through connection cables 8 and 9. The reception unit 3 has a data decoder 11 and an input/output control unit 12, and decodes the received data and inputs them to the computer through bidirectional communication.
Inventors
- 👤 Yasumi Ushikubo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:06
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/02; G06F3/0202; G06F3/021; G06F3/0213; G06F3/023; G06F3/0231; H; H01; H01H; H01H2207/00; H01H2207/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A system for RF communication between a computer and a remote wireless data input device comprising: a wireless data transmission unit having an alphanumeric keyboard or a command keyboard, a pointing device, an encoder for converting alphanumeric or command key data and pointing device control data into RF signal communication data, and an RF signal transmitter; and a reception unit remote to the computer having an RF signal receiver, a decoder for decoding said RF signal communication data, and an input/output control unit, wherein said reception unit is connected through connection cables to both a keyboard connector and a pointing device connector of a computer.
Claim 2
Independent Claim
105 words
A system for RF communication between a computer and a remote wireless data input device comprising: a wireless data transmission unit having an alphanumeric keyboard or a command keyboard, a pointing device, an encoder for converting alphanumeric or command key data and pointing device control data into RF signal communication data, and an RF signal transmitter; and a reception unit remote to the computer having an RF signal receiver, a decoder for decoding said RF signal communication data, and an input/output control unit, wherein said reception unit is connected through connection cables to both a keyboard connector and a pointing device connector of a computer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-08-10 | 2002-02-09 | 2002-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-08-10 | 2006-02-09 | 2006-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-08-10 | 2010-02-09 | 2010-08-11 | $7700.00 | Window Closed / Lapsed |