GB1473608A - Transmitter-receiver - Google Patents

Transmitter-receiver

Info

Publication number
GB1473608A
GB1473608A GB680275A GB680275A GB1473608A GB 1473608 A GB1473608 A GB 1473608A GB 680275 A GB680275 A GB 680275A GB 680275 A GB680275 A GB 680275A GB 1473608 A GB1473608 A GB 1473608A
Authority
GB
United Kingdom
Prior art keywords
receiver
test
transmitter
signal
indicium
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
GB680275A
Other languages
English (en)
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1473608A publication Critical patent/GB1473608A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • 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
    • H04B1/44—Transmit/receive switching
    • H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
GB680275A 1974-02-27 1975-02-18 Transmitter-receiver Expired GB1473608A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2409375A DE2409375C2 (de) 1974-02-27 1974-02-27 Funksendeempfangsgerät

Publications (1)

Publication Number Publication Date
GB1473608A true GB1473608A (en) 1977-05-18

Family

ID=5908603

Family Applications (1)

Application Number Title Priority Date Filing Date
GB680275A Expired GB1473608A (en) 1974-02-27 1975-02-18 Transmitter-receiver

Country Status (9)

Country Link
US (1) US4069454A (enExample)
CH (1) CH581926A5 (enExample)
DE (1) DE2409375C2 (enExample)
FR (1) FR2262468B1 (enExample)
GB (1) GB1473608A (enExample)
NL (1) NL184932C (enExample)
NO (1) NO139762C (enExample)
SE (1) SE393013B (enExample)
TR (1) TR18843A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2229065A (en) * 1989-01-18 1990-09-12 Nec Corp Method of connecting channels of decentralised radio systems

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145655A (en) * 1977-04-27 1979-03-20 Texas Instruments Incorporated Digitally transmitting transceiver
US4430755A (en) 1981-05-14 1984-02-07 Motorola, Inc. Portable radio telephone
US4392248A (en) * 1981-10-05 1983-07-05 Time And Frequency Technology, Inc. Attention signal receiver for emergency broadcast systems
DE4117241C2 (de) * 1991-05-27 1995-08-03 Loewe Opta Gmbh Abstimmeinheit für Geräte der Nachrichtentechnik
DE4328912C2 (de) * 1993-08-27 1998-08-27 Siemens Ag Abgleichverfahren für einen Überlagerungsempfänger
US5995849A (en) * 1997-11-26 1999-11-30 Direct Wireless Communication Corp. Direct wireless communication system and method of operation
KR100554431B1 (ko) * 2003-11-05 2006-02-22 기륭전자 주식회사 차량 위성 디지털 오디오 라디오방송 수신기용 어댑터 및그러한 어댑터를 구비한 차량용 오디오 시스템
KR100549614B1 (ko) * 2003-11-05 2006-02-03 기륭전자 주식회사 시분할 프로토콜을 이용한 무선원격제어기 및 이를포함하는위성라디오

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1462279A (fr) * 1965-09-21 1966-04-15 Cit Alcatel Liaisons radio à fréquences porteuses aléatoires
US3443228A (en) * 1965-11-22 1969-05-06 Gen Atronics Corp Optimum frequency communication system with different test frequencies in different test intervals
NL6617461A (enExample) * 1966-12-13 1968-06-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2229065A (en) * 1989-01-18 1990-09-12 Nec Corp Method of connecting channels of decentralised radio systems
GB2229065B (en) * 1989-01-18 1993-08-25 Nec Corp Method of connecting channels of decentralized radio systems

Also Published As

Publication number Publication date
NO750644L (enExample) 1975-08-28
NL7501814A (nl) 1975-08-29
US4069454A (en) 1978-01-17
FR2262468A1 (enExample) 1975-09-19
CH581926A5 (enExample) 1976-11-15
SE393013B (sv) 1977-04-25
NO139762C (no) 1979-05-02
SE7502069L (enExample) 1975-08-28
NL184932C (nl) 1989-12-01
TR18843A (tr) 1977-11-01
DE2409375C2 (de) 1975-08-21
FR2262468B1 (enExample) 1981-10-23
NL184932B (nl) 1989-07-03
NO139762B (no) 1979-01-22
DE2409375B1 (de) 1975-01-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee