US5970090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer system for use with a wireless data communication network
Assignee: BlackBerry Ltd
•
Filing: 1997-11-10
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Granted: 1999-10-19
•
Expires: 2017-11-10
Abstract
Abstract The present invention provides a method for enhancing service signals transmitted by a DCE, such as a Modem, to a DTE user. Since any transmission from a remote computer to a DTE user through a wireless communication network can be encoded with additional information, use of an AT compatible modem in conjunction with a wireless communication network adds a new dimension of information that can be displayed to the DTE user. The present invention also includes a method for ensuring effective data transfer from a DCE to a DTE user. When a DTE receives a connection service signal it will often require several internal adjustments before it can accept data. Because data received by a radio-based modem is received in packets, under certain conditions data will be waiting to be transmitted to the user immediately after the modem enters a data transfer state. The method of this invention includes the steps of transmitting a service signal to the DTE indicating that the modem has entered a data transfer state and delaying for a predetermined time after transmitting the data-transfer-state signal before transmitting data from the modem to the DTE.
Inventors
- 👤 Mihal Lazaridis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:52
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/06; H04W; H04W28/00; H04W28/02; H04W28/10; H04W28/14; H04W76/00; H04W76/10
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
100 words
A method of ensuring effective data transfer from data communication equipment (DCE) to data terminal equipment (DTE), comprising the steps of: receiving data at the DCE from a remote computer system; in response to receiving data at the DCE, transmitting a connection signal from the DCE to the DTE indicating that the DCE has entered a data transfer state; storing the data received by the DCE until a predetermined period of time has expired; and the DCE delaying for the predetermined period of time after transmitting the connection signal to the DTE before transmitting the stored data to the DTE.
Claim 2
Independent Claim
100 words
A method of ensuring effective data transfer from data communication equipment (DCE) to data terminal equipment (DTE), comprising the steps of: receiving data at the DCE from a remote computer system; in response to receiving data at the DCE, transmitting a connection signal from the DCE to the DTE indicating that the DCE has entered a data transfer state; storing the data received by the DCE until a predetermined period of time has expired; and the DCE delaying for the predetermined period of time after transmitting the connection signal to the DTE before transmitting the stored data to the DTE.
Claim 3
Dependent Claim
19 words
The method of claim 1, wherein the predetermined period of time is set by a user of the DTE.
Claim 4
Dependent Claim
142 words
A modem for ensuring effective data transfer between a communication network and Data Terminal Equipment (DTE), the modem including: a receiver for receiving a modulated data signal from the communication network; a demodulator coupled to the receiver for demodulating the modulated data signal; a microcomputer coupled to the demodulator for converting the modulated data signal into a serial data stream, and for generating a connection signal indicating that the modem has entered a data transfer state; a delay element for delaying transmission of the serial data stream to the DTE for a predetermined period of time after the modem enters the data transfer state; a memory for storing the serial data stream until the predetermined period of time has expired; and a serial data interface coupled to the microcomputer for transmitting the connection signal and the serial data stream to the DTE.
Claim 5
Dependent Claim
142 words
A modem for ensuring effective data transfer between a communication network and Data Terminal Equipment (DTE), the modem including: a receiver for receiving a modulated data signal from the communication network; a demodulator coupled to the receiver for demodulating the modulated data signal; a microcomputer coupled to the demodulator for converting the modulated data signal into a serial data stream, and for generating a connection signal indicating that the modem has entered a data transfer state; a delay element for delaying transmission of the serial data stream to the DTE for a predetermined period of time after the modem enters the data transfer state; a memory for storing the serial data stream until the predetermined period of time has expired; and a serial data interface coupled to the microcomputer for transmitting the connection signal and the serial data stream to the DTE.
Claim 6
Dependent Claim
23 words
The modem according to claim 3, wherein the microcomputer interprets commands received by the modem when the modem is in a command state.
Claim 7
Dependent Claim
15 words
The modem of claim 3, wherein the communication network is a packetized data communication network.
Claim 8
Dependent Claim
31 words
The modem of claim 5, wherein the modulated signal is received by the modem in a packet format and the microcomputer disassembles the received packet to form the serial data stream.
Claim 9
Dependent Claim
14 words
The modem of claim 3, wherein the communication network is a radio-frequeny communication network.
Claim 10
Dependent Claim
19 words
The modem of claim 3, wherein the predetermined period of time is reconfigurable by a user of the modem.
Claim 11
Dependent Claim
158 words
A programmed method in a wireless modem for ensuring effective data transfer between a remote host system and a DTE via a wireless packet-switched network, wherein the modem is connected between the wireless packet-switched network and the DTE, the method comprising the steps of: transmitting data packets from the remote host system to the wireless modem via the wireless packet-switched network; receiving the data packets at the wireless modem and storing the data in a buffer within the modem; in response to receiving the data, the modem then transmitting a connection service signal to the DTE indicating that the modem is receiving data packets from the remote host system; the modem delaying for a predetermined period of time after transmitting the connection service signal to the DTE, while storing any received data in the buffer; and at the expiration of the predetermined period of time, the modem then transmitting the stored data from the buffer to the DTE.
Claim 12
Dependent Claim
158 words
A programmed method in a wireless modem for ensuring effective data transfer between a remote host system and a DTE via a wireless packet-switched network, wherein the modem is connected between the wireless packet-switched network and the DTE, the method comprising the steps of: transmitting data packets from the remote host system to the wireless modem via the wireless packet-switched network; receiving the data packets at the wireless modem and storing the data in a buffer within the modem; in response to receiving the data, the modem then transmitting a connection service signal to the DTE indicating that the modem is receiving data packets from the remote host system; the modem delaying for a predetermined period of time after transmitting the connection service signal to the DTE, while storing any received data in the buffer; and at the expiration of the predetermined period of time, the modem then transmitting the stored data from the buffer to the DTE.
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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) | 2002-10-18 | 2003-04-19 | 2003-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-10-18 | 2007-04-19 | 2007-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-10-18 | 2011-04-19 | 2011-10-19 | $7700.00 | Window Closed / Lapsed |