CA2089379A1 - Data transfer method and apparatus for communication between a peripheral and a master - Google Patents

Data transfer method and apparatus for communication between a peripheral and a master

Info

Publication number
CA2089379A1
CA2089379A1 CA2089379A CA2089379A CA2089379A1 CA 2089379 A1 CA2089379 A1 CA 2089379A1 CA 2089379 A CA2089379 A CA 2089379A CA 2089379 A CA2089379 A CA 2089379A CA 2089379 A1 CA2089379 A1 CA 2089379A1
Authority
CA
Canada
Prior art keywords
bus
radiotelephone
data transfer
peripheral
transfer apparatus
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2089379A
Other languages
French (fr)
Other versions
CA2089379C (en
Inventor
Bruce M. Paggeot
Jeffrey W. Tripp
Patrick J. Marry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Mobility LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2089379A1 publication Critical patent/CA2089379A1/en
Application granted granted Critical
Publication of CA2089379C publication Critical patent/CA2089379C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/24—Time-division multiplex systems in which the allocation is indicated by an address the different channels being transmitted sequentially
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40143—Bus networks involving priority mechanisms
    • H04L12/40163—Bus networks involving priority mechanisms by assigning priority to messages according to a message field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/407—Bus networks with decentralised control
    • H04L12/413—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection (CSMA-CD)
    • H04L12/4135—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection (CSMA-CD) using bit-wise arbitration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/403—Bus networks with centralised control, e.g. polling
    • H04L12/4035—Bus networks with centralised control, e.g. polling in which slots of a TDMA packet structure are assigned based on a contention resolution carried out at a master unit

Abstract

Data transfer apparatus (211,213) for a radiotelephone peripheral using a time multiplexed data bus for communication with a bus master of the radiotelephone (201) couples peripheral devices external to the radiotelephone (201) and other user information inputting devices, such as a handset (203) for a cellular mobile radiotelephone, to the radiotelephone's central processor and speech processor (207). The data transfer apparatus generates time slots in frame formats in which the information is sent over the data bus. The entire message, information bits and the header, sent in a time slot from a peripheral device to the bus master is used to determine bus contention. Bus contention resolution during the start-up of data bus operation sets the priority with respect to other data transfer apparati with which a peripheral device's data transfer apparatus is able to access the bus during normal operation.
CA002089379A 1991-07-18 1992-07-14 Data transfer method and apparatus for communication between a peripheral and a master Expired - Lifetime CA2089379C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/732,511 US5297142A (en) 1991-07-18 1991-07-18 Data transfer method and apparatus for communication between a peripheral and a master
US732,511 1991-07-18
PCT/US1992/005885 WO1993002512A1 (en) 1991-07-18 1992-07-14 Data transfer method and apparatus for communication between a peripheral and a master

Publications (2)

Publication Number Publication Date
CA2089379A1 true CA2089379A1 (en) 1993-01-19
CA2089379C CA2089379C (en) 1999-05-11

Family

ID=24943796

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002089379A Expired - Lifetime CA2089379C (en) 1991-07-18 1992-07-14 Data transfer method and apparatus for communication between a peripheral and a master

Country Status (22)

Country Link
US (1) US5297142A (en)
JP (1) JP2655364B2 (en)
KR (1) KR970000797B1 (en)
CN (1) CN1027209C (en)
AR (1) AR247650A1 (en)
AU (2) AU653689B2 (en)
BR (1) BR9205350A (en)
CA (1) CA2089379C (en)
CZ (1) CZ285106B6 (en)
DE (1) DE4292402C1 (en)
FR (1) FR2680256A1 (en)
GB (1) GB2263214B (en)
HK (1) HK1000431A1 (en)
HU (1) HU215863B (en)
IT (1) IT1258435B (en)
MX (1) MX9204189A (en)
RU (1) RU2113764C1 (en)
SE (1) SE9300878L (en)
SG (1) SG42976A1 (en)
SK (1) SK281169B6 (en)
UA (1) UA37250C2 (en)
WO (1) WO1993002512A1 (en)

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ATE492085T1 (en) 2003-01-28 2011-01-15 Cellport Systems Inc A SYSTEM AND METHOD FOR CONTROLLING APPLICATIONS' ACCESS TO PROTECTED RESOURCES WITHIN A SECURE VEHICLE TELEMATICS SYSTEM
US20040166823A1 (en) * 2003-02-21 2004-08-26 Magis Networks, Inc. Control interface scheme for wireless communication chipsets
US7383061B1 (en) * 2003-04-02 2008-06-03 Palm, Inc. Peripheral device for a wireless communication device
US7623892B2 (en) * 2003-04-02 2009-11-24 Palm, Inc. System and method for enabling a person to switch use of computing devices
US7346370B2 (en) * 2004-04-29 2008-03-18 Cellport Systems, Inc. Enabling interoperability between distributed devices using different communication link technologies
US20080062939A1 (en) * 2006-09-07 2008-03-13 Peter Van Horn Wireless communications between a peripheral and a mobile unit in a wireless network environment
US20080148298A1 (en) * 2006-12-18 2008-06-19 Palm, Inc. System and Methods for Providing Granular Security for Locally Running Scripted Environments and Web Applications
US8169998B2 (en) * 2006-12-21 2012-05-01 Broadcom Corporation Method and system for an AD HOC wireless network with master control of network parameters
US20080248834A1 (en) * 2007-04-03 2008-10-09 Palm, Inc. System and methods for providing access to a desktop and applications of a mobile device
US8478299B2 (en) * 2007-04-06 2013-07-02 Hewlett-Packard Development Company, L.P. System and methods for obtaining coarse location for a mobile device
US8060486B2 (en) * 2007-05-07 2011-11-15 Hewlett-Packard Development Company, L.P. Automatic conversion schema for cached web requests
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Also Published As

Publication number Publication date
AU1859692A (en) 1993-01-21
AU2365692A (en) 1993-02-23
SE9300878L (en) 1993-05-18
SG42976A1 (en) 1997-10-17
CN1069842A (en) 1993-03-10
IT1258435B (en) 1996-02-26
SK21693A3 (en) 1993-07-07
MX9204189A (en) 1993-07-01
JPH06502057A (en) 1994-03-03
JP2655364B2 (en) 1997-09-17
CA2089379C (en) 1999-05-11
HU215863B (en) 1999-03-29
KR970000797B1 (en) 1997-01-20
CZ37293A3 (en) 1994-05-18
AU653689B2 (en) 1994-10-06
ITRM920549A0 (en) 1992-07-17
CZ285106B6 (en) 1999-05-12
WO1993002512A1 (en) 1993-02-04
DE4292402C1 (en) 1995-08-31
RU2113764C1 (en) 1998-06-20
GB2263214A (en) 1993-07-14
HK1000431A1 (en) 1998-03-20
AR247650A1 (en) 1995-01-31
GB9303769D0 (en) 1993-04-28
CN1027209C (en) 1994-12-28
BR9205350A (en) 1994-05-31
KR930702837A (en) 1993-09-09
ITRM920549A1 (en) 1994-01-17
HUT63719A (en) 1993-09-28
SK281169B6 (en) 2000-12-11
HU9300778D0 (en) 1993-06-28
FR2680256B1 (en) 1995-02-03
GB2263214B (en) 1995-09-13
US5297142A (en) 1994-03-22
UA37250C2 (en) 2001-05-15
SE9300878D0 (en) 1993-03-17
FR2680256A1 (en) 1993-02-12

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Legal Events

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EEER Examination request
MKEX Expiry
MKEX Expiry

Effective date: 20120716