KR830001770B1 - 트랜시버 - Google Patents

트랜시버 Download PDF

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Publication number
KR830001770B1
KR830001770B1 KR1019800002547A KR800002547A KR830001770B1 KR 830001770 B1 KR830001770 B1 KR 830001770B1 KR 1019800002547 A KR1019800002547 A KR 1019800002547A KR 800002547 A KR800002547 A KR 800002547A KR 830001770 B1 KR830001770 B1 KR 830001770B1
Authority
KR
South Korea
Prior art keywords
signal
supplied
mixer
signals
pair
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
Application number
KR1019800002547A
Other languages
English (en)
Korean (ko)
Other versions
KR830003996A (ko
Inventor
케이스 리차드슨 크리스토퍼
Original Assignee
플레세이 오우버시이스 리미티드로날드 니콜슨
원본미기재
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 플레세이 오우버시이스 리미티드로날드 니콜슨, 원본미기재 filed Critical 플레세이 오우버시이스 리미티드로날드 니콜슨
Publication of KR830003996A publication Critical patent/KR830003996A/ko
Application granted granted Critical
Publication of KR830001770B1 publication Critical patent/KR830001770B1/ko
Expired legal-status Critical Current

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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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)
KR1019800002547A 1979-06-29 1980-06-28 트랜시버 Expired KR830001770B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB7922701A GB2063020B (en) 1979-06-29 1979-06-29 Transceivers
GB7922701 1979-06-29
GB22701 1979-06-29

Publications (2)

Publication Number Publication Date
KR830003996A KR830003996A (ko) 1983-06-30
KR830001770B1 true KR830001770B1 (ko) 1983-09-03

Family

ID=10506189

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019800002547A Expired KR830001770B1 (ko) 1979-06-29 1980-06-28 트랜시버

Country Status (8)

Country Link
US (1) US4348757A (enExample)
KR (1) KR830001770B1 (enExample)
DE (1) DE3024278A1 (enExample)
FR (1) FR2460569A1 (enExample)
GB (1) GB2063020B (enExample)
IL (1) IL60220A (enExample)
IN (1) IN153889B (enExample)
NL (1) NL8003662A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI77341C (fi) * 1987-05-19 1989-02-10 Vaisala Oy Foerfarande vid oeverfoering av signaler genom anvaendning av smalbandskanal.
GB2295513B (en) * 1994-11-22 1998-07-08 Edward Charles Forster AM demodulator for I/Q receivers
US5638401A (en) * 1995-01-31 1997-06-10 Ericsson Inc. Method and apparatus for generating plural quadrature modulated carriers
DE19614979C2 (de) 1995-04-20 2001-05-17 Fujitsu Ltd Hochfrequenz-Sende-Empfangs-Vorrichtung zur Datenkommunikation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6617461A (enExample) * 1966-12-13 1968-06-14
GB1504517A (en) * 1975-03-26 1978-03-22 Plessey Co Ltd Signal separation arrangements
IN146303B (enExample) * 1976-03-16 1979-04-21 Plessey Handel Investment Ag
US4127816A (en) * 1976-08-02 1978-11-28 Grosso Clair R Carrier detect and automatic loopback circuit

Also Published As

Publication number Publication date
DE3024278A1 (de) 1981-01-08
IN153889B (enExample) 1984-08-25
KR830003996A (ko) 1983-06-30
GB2063020A (en) 1981-05-28
FR2460569B1 (enExample) 1984-01-06
US4348757A (en) 1982-09-07
FR2460569A1 (fr) 1981-01-23
GB2063020B (en) 1983-08-10
IL60220A (en) 1983-11-30
IL60220A0 (en) 1980-09-16
NL8003662A (nl) 1980-12-31

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Legal Events

Date Code Title Description
PN2301 Change of applicant

Patent event date: 19801127

Comment text: Notification of Change of Applicant

Patent event code: PN23011R01D