GB2287144B - A radio device and a single-frequency radio transponder - Google Patents

A radio device and a single-frequency radio transponder

Info

Publication number
GB2287144B
GB2287144B GB9403427A GB9403427A GB2287144B GB 2287144 B GB2287144 B GB 2287144B GB 9403427 A GB9403427 A GB 9403427A GB 9403427 A GB9403427 A GB 9403427A GB 2287144 B GB2287144 B GB 2287144B
Authority
GB
United Kingdom
Prior art keywords
radio
transponder
frequency
radio device
frequency radio
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.)
Expired - Fee Related
Application number
GB9403427A
Other versions
GB2287144A (en
GB9403427D0 (en
Inventor
Gadi Shirazi
Tal Mor
Zami Schwartzman
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 Solutions Israel Ltd
Original Assignee
Motorola Israel Ltd
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 Motorola Israel Ltd filed Critical Motorola Israel Ltd
Priority to GB9403427A priority Critical patent/GB2287144B/en
Publication of GB9403427D0 publication Critical patent/GB9403427D0/en
Priority to ZA95891A priority patent/ZA95891B/en
Priority to IL11255095A priority patent/IL112550A/en
Priority to IL12305195A priority patent/IL123051A/en
Priority to AU11655/95A priority patent/AU692812B2/en
Publication of GB2287144A publication Critical patent/GB2287144A/en
Priority to IL12305198A priority patent/IL123051A0/en
Application granted granted Critical
Publication of GB2287144B publication Critical patent/GB2287144B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/045—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation; Modification of the working range
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
    • H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB9403427A 1994-02-23 1994-02-23 A radio device and a single-frequency radio transponder Expired - Fee Related GB2287144B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB9403427A GB2287144B (en) 1994-02-23 1994-02-23 A radio device and a single-frequency radio transponder
ZA95891A ZA95891B (en) 1994-02-23 1995-02-03 Radio device and single-frequency radio transponder
IL11255095A IL112550A (en) 1994-02-23 1995-02-06 Radio device and single-frequency radio transponder
IL12305195A IL123051A (en) 1994-02-23 1995-02-06 Radio device and single-frequency radio transponder
AU11655/95A AU692812B2 (en) 1994-02-23 1995-02-09 A radio device and a single-frequency radio transponder
IL12305198A IL123051A0 (en) 1994-02-23 1998-01-26 Radio device and single-frequency radio transponder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9403427A GB2287144B (en) 1994-02-23 1994-02-23 A radio device and a single-frequency radio transponder

Publications (3)

Publication Number Publication Date
GB9403427D0 GB9403427D0 (en) 1994-04-13
GB2287144A GB2287144A (en) 1995-09-06
GB2287144B true GB2287144B (en) 1998-11-18

Family

ID=10750784

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9403427A Expired - Fee Related GB2287144B (en) 1994-02-23 1994-02-23 A radio device and a single-frequency radio transponder

Country Status (4)

Country Link
AU (1) AU692812B2 (en)
GB (1) GB2287144B (en)
IL (1) IL112550A (en)
ZA (1) ZA95891B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8755834B2 (en) 1998-11-26 2014-06-17 Nokia Corporation Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5963600A (en) * 1997-03-04 1999-10-05 Northrop Grumman Corporation Micro-controller based frequency calibration
US6658237B1 (en) * 1999-03-02 2003-12-02 Skyworks Solutions, Inc. Multi-Band transceiver utilizing direct conversion receiver
WO2007074413A1 (en) * 2005-12-28 2007-07-05 Nxp B.V. A wideband communications receiver and a method for receiving data frames from a wireless device in a wireless local area network
GB2453767A (en) * 2007-10-19 2009-04-22 Toumaz Technology Ltd Automatic frequency correction in a frequency shift keying recevier

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2017436A (en) * 1978-03-10 1979-10-03 Cit Alcatel A circuit for recovering the carrier of an amplitude modulated synchronous digital signal
GB2191367A (en) * 1986-05-29 1987-12-09 Rca Corp Circuitry for reducing demodulation phase error as for an automatic deghosting system
GB2213663A (en) * 1987-12-11 1989-08-16 Philips Electronic Associated Data demodulator carrier phase locking

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2017436A (en) * 1978-03-10 1979-10-03 Cit Alcatel A circuit for recovering the carrier of an amplitude modulated synchronous digital signal
GB2191367A (en) * 1986-05-29 1987-12-09 Rca Corp Circuitry for reducing demodulation phase error as for an automatic deghosting system
GB2213663A (en) * 1987-12-11 1989-08-16 Philips Electronic Associated Data demodulator carrier phase locking

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8755834B2 (en) 1998-11-26 2014-06-17 Nokia Corporation Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems
US8768408B2 (en) 1998-11-26 2014-07-01 Nokia Corporation Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems

Also Published As

Publication number Publication date
GB2287144A (en) 1995-09-06
IL112550A0 (en) 1995-05-26
IL112550A (en) 1998-08-16
AU1165595A (en) 1995-08-31
AU692812B2 (en) 1998-06-18
GB9403427D0 (en) 1994-04-13
ZA95891B (en) 1996-08-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020223