BR7505483A - Aperfeicoamento em transceptor - Google Patents

Aperfeicoamento em transceptor

Info

Publication number
BR7505483A
BR7505483A BR7505483*A BR7505483A BR7505483A BR 7505483 A BR7505483 A BR 7505483A BR 7505483 A BR7505483 A BR 7505483A BR 7505483 A BR7505483 A BR 7505483A
Authority
BR
Brazil
Prior art keywords
perfecting
transceiver
Prior art date
Application number
BR7505483*A
Other languages
English (en)
Inventor
S Amoroso
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Publication of BR7505483A publication Critical patent/BR7505483A/pt

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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • 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)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radio Relay Systems (AREA)
BR7505483*A 1974-08-29 1975-08-27 Aperfeicoamento em transceptor BR7505483A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US501722A US3925729A (en) 1974-08-29 1974-08-29 Skirt-tuned single oscillator transceiver

Publications (1)

Publication Number Publication Date
BR7505483A true BR7505483A (pt) 1976-08-03

Family

ID=23994758

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7505483*A BR7505483A (pt) 1974-08-29 1975-08-27 Aperfeicoamento em transceptor

Country Status (8)

Country Link
US (1) US3925729A (pt)
JP (1) JPS5150510A (pt)
BR (1) BR7505483A (pt)
CA (1) CA1044328A (pt)
DE (1) DE2538348A1 (pt)
FR (1) FR2283601A1 (pt)
GB (1) GB1520442A (pt)
SE (1) SE403680B (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965421A (en) * 1974-12-19 1976-06-22 Motorola, Inc. Automatic master-slave carrier switching circuit
FR2363244A1 (fr) * 1976-08-26 1978-03-24 Thomson Csf Systeme de transmission bilaterale entre une station principale et des stations secondaires
US4411018A (en) * 1981-10-20 1983-10-18 United Technologies Corporation Rapidly stabilized Gunn oscillator transceiver
US4501018A (en) * 1983-07-05 1985-02-19 Motorola, Inc. Simplex transceiver employing a common piezoelectric element for transmitting and receiving
JPS6139630A (ja) * 1984-07-28 1986-02-25 Toyo Commun Equip Co Ltd 受信機局部発振器と送信機チヤンネル発振器とを共用した同時送受話通信方式
GB2152333B (en) * 1983-12-27 1988-02-03 United Technologies Corp Full-duplex, electrically switched microwave transceiver
FR2568430B1 (fr) * 1984-07-27 1986-11-07 Alcatel Thomson Faisceaux Poste emetteur-recepteur a reception homodyne.
GB8420210D0 (en) * 1984-08-09 1984-09-12 British Telecomm Duplex microwave equipment
DE3844541C2 (de) * 1987-09-30 1995-06-08 Fujitsu Ten Ltd Antennenschaltung für eine Multiband-Antenne
US5258728A (en) * 1987-09-30 1993-11-02 Fujitsu Ten Limited Antenna circuit for a multi-band antenna
DE3930069A1 (de) * 1989-09-09 1991-03-21 Rheydt Kabelwerk Ag Optisches signaluebertragungssystem
JPH0795112A (ja) * 1993-09-20 1995-04-07 Fujitsu Ltd ディジタル移動無線装置
DE4337088A1 (de) * 1993-10-29 1995-05-24 Siemens Ag Schaltungsanordnung zur kohärenten Erzeugung von Sende- und Empfangssignalen, insbesondere impulsexpandierten/-komprimierten Sende- und Empfangssignalen in einem Identifikations- oder Sensor-Sende- und Empfangssystem
US6148182A (en) * 1996-10-28 2000-11-14 Int Labs, Inc. Technique to facilitate the independent bi-directional data transmission on a single amplitude modulated carrier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB579567A (en) * 1943-10-07 1946-08-08 Marconi Wireless Telegraph Co Improvements in frequency controlling and stabilising means in radio-apparatus and the like
US2757279A (en) * 1951-11-20 1956-07-31 Raytheon Mfg Co Two-way communication systems
US2933598A (en) * 1956-03-28 1960-04-19 Sperry Rand Corp Automatic frequency control circuit

Also Published As

Publication number Publication date
SE7509372L (sv) 1976-03-01
GB1520442A (en) 1978-08-09
CA1044328A (en) 1978-12-12
FR2283601A1 (fr) 1976-03-26
JPS5150510A (pt) 1976-05-04
US3925729A (en) 1975-12-09
SE403680B (sv) 1978-08-28
FR2283601B1 (pt) 1982-04-23
DE2538348A1 (de) 1976-03-11

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