GB2228379B - Frequency-modulated transceiver - Google Patents

Frequency-modulated transceiver

Info

Publication number
GB2228379B
GB2228379B GB9000641A GB9000641A GB2228379B GB 2228379 B GB2228379 B GB 2228379B GB 9000641 A GB9000641 A GB 9000641A GB 9000641 A GB9000641 A GB 9000641A GB 2228379 B GB2228379 B GB 2228379B
Authority
GB
United Kingdom
Prior art keywords
frequency
modulated transceiver
transceiver
modulated
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
GB9000641A
Other versions
GB9000641D0 (en
GB2228379A (en
Inventor
Jarmo Makinen
Reino Osmo Ilmari Talarmo
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.)
Nokia Oyj
Original Assignee
Telenokia Oy
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 Telenokia Oy filed Critical Telenokia Oy
Publication of GB9000641D0 publication Critical patent/GB9000641D0/en
Publication of GB2228379A publication Critical patent/GB2228379A/en
Application granted granted Critical
Publication of GB2228379B publication Critical patent/GB2228379B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
GB9000641A 1989-01-13 1990-01-11 Frequency-modulated transceiver Expired - Fee Related GB2228379B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI890191A FI80549C (en) 1989-01-13 1989-01-13 Frequency modulated transmitter receiver

Publications (3)

Publication Number Publication Date
GB9000641D0 GB9000641D0 (en) 1990-03-14
GB2228379A GB2228379A (en) 1990-08-22
GB2228379B true GB2228379B (en) 1993-01-13

Family

ID=8527719

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9000641A Expired - Fee Related GB2228379B (en) 1989-01-13 1990-01-11 Frequency-modulated transceiver

Country Status (6)

Country Link
AU (1) AU625604B2 (en)
ES (1) ES2020089A6 (en)
FI (1) FI80549C (en)
FR (1) FR2641915A1 (en)
GB (1) GB2228379B (en)
IT (1) IT1238167B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI80549C (en) * 1989-01-13 1990-06-11 Telenokia Oy Frequency modulated transmitter receiver
FI94808C (en) * 1991-08-29 1995-10-25 Nokia Telecommunications Oy Frequency modulated transmitter receiver
NO305499B1 (en) * 1996-11-06 1999-06-07 Nera Asa Downconversion system and method in which the received signal is downconverted
GB2363267B (en) * 2000-06-07 2002-08-07 Motorola Israel Ltd Circuit and method for signal phase control in a radio transceiver
CN102916718B (en) * 2012-10-31 2014-12-17 成都航天通信设备有限责任公司 Station network communication method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1439895A (en) * 1973-03-02 1976-06-16 United Aircraft Corp Single oscillator microwave transceiver
GB1518831A (en) * 1974-08-29 1978-07-26 United Technologies Corp Frequency stabilized single oscillator transceivers
EP0135816A2 (en) * 1983-08-24 1985-04-03 Toyo Communication Equipment Co.,Ltd. Signal transmission and reception system
WO1985002734A1 (en) * 1983-12-05 1985-06-20 Motorola, Inc. Duplex communication transceiver with modulation cancellation
EP0171997A1 (en) * 1984-08-09 1986-02-19 BRITISH TELECOMMUNICATIONS public limited company Duplex microwave equipment with a single microwave oscillator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61220528A (en) * 1985-03-26 1986-09-30 Nec Corp Radio equipment with simultaneous transmission and reception
FI80549C (en) * 1989-01-13 1990-06-11 Telenokia Oy Frequency modulated transmitter receiver

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1439895A (en) * 1973-03-02 1976-06-16 United Aircraft Corp Single oscillator microwave transceiver
GB1518831A (en) * 1974-08-29 1978-07-26 United Technologies Corp Frequency stabilized single oscillator transceivers
EP0135816A2 (en) * 1983-08-24 1985-04-03 Toyo Communication Equipment Co.,Ltd. Signal transmission and reception system
WO1985002734A1 (en) * 1983-12-05 1985-06-20 Motorola, Inc. Duplex communication transceiver with modulation cancellation
EP0171997A1 (en) * 1984-08-09 1986-02-19 BRITISH TELECOMMUNICATIONS public limited company Duplex microwave equipment with a single microwave oscillator

Also Published As

Publication number Publication date
IT1238167B (en) 1993-07-09
IT9019053A0 (en) 1990-01-12
FR2641915B1 (en) 1994-04-22
IT9019053A1 (en) 1990-07-14
FI890191A0 (en) 1989-01-13
FI80549C (en) 1990-06-11
GB9000641D0 (en) 1990-03-14
AU625604B2 (en) 1992-07-16
AU4792590A (en) 1990-07-19
ES2020089A6 (en) 1991-07-16
FI80549B (en) 1990-02-28
FR2641915A1 (en) 1990-07-20
GB2228379A (en) 1990-08-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050111