GB8313829D0 - Duplex communications - Google Patents

Duplex communications

Info

Publication number
GB8313829D0
GB8313829D0 GB838313829A GB8313829A GB8313829D0 GB 8313829 D0 GB8313829 D0 GB 8313829D0 GB 838313829 A GB838313829 A GB 838313829A GB 8313829 A GB8313829 A GB 8313829A GB 8313829 D0 GB8313829 D0 GB 8313829D0
Authority
GB
United Kingdom
Prior art keywords
duplex communications
duplex
communications
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.)
Granted
Application number
GB838313829A
Other versions
GB2122456B (en
GB2122456A (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.)
White R R
Original Assignee
White R R
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 White R R filed Critical White R R
Publication of GB8313829D0 publication Critical patent/GB8313829D0/en
Publication of GB2122456A publication Critical patent/GB2122456A/en
Application granted granted Critical
Publication of GB2122456B publication Critical patent/GB2122456B/en
Expired 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
    • H04B1/50—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)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
GB08313829A 1982-05-19 1983-05-19 Method of and apparatus for duplex communications Expired GB2122456B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37976082A 1982-05-19 1982-05-19

Publications (3)

Publication Number Publication Date
GB8313829D0 true GB8313829D0 (en) 1983-06-22
GB2122456A GB2122456A (en) 1984-01-11
GB2122456B GB2122456B (en) 1986-11-26

Family

ID=23498569

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08313829A Expired GB2122456B (en) 1982-05-19 1983-05-19 Method of and apparatus for duplex communications

Country Status (2)

Country Link
JP (1) JPS58210729A (en)
GB (1) GB2122456B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4584707A (en) * 1985-01-22 1986-04-22 Dataproducts New England, Inc. Cordless communications system
US4759078A (en) * 1986-11-14 1988-07-19 Rose Communication Systems, Inc. Coordinated local oscillator receiving system
DE3715588C1 (en) * 1987-05-09 1988-09-08 Gewerkschaft Eisenhuette Westfalia Gmbh, 4670 Luenen, De
US5109545A (en) * 1990-02-09 1992-04-28 Rose Communications, Inc. Proximal cable-less communication system with intentional signal path
US5101505A (en) * 1990-02-09 1992-03-31 Rose Communications, Inc. Method and apparatus for selective sideband signal correction in a proximal cable-less communication system
FI94808C (en) * 1991-08-29 1995-10-25 Nokia Telecommunications Oy Frequency modulated transmitter receiver
US5444737A (en) * 1993-05-05 1995-08-22 National Semiconductor Corporation Wireless data transceiver
US5550865A (en) * 1993-05-05 1996-08-27 National Semiconductor Corporation Frequency modulator for data transceiver

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB584513A (en) * 1943-07-26 1947-01-16 Patelhold Patentverwertung Transmission of signals by two-way radio communication with directional aerial
FR1121655A (en) * 1955-02-11 1956-08-23 Thomson Houston Comp Francaise Hertzian relay without local oscillator
GB923178A (en) * 1960-12-22 1963-04-10 Gen Electric Co Ltd Improvements in or relating to radio apparatus for use in a continuous wave radio system
US3202917A (en) * 1962-01-18 1965-08-24 Nippon Electric Co Mono-oscillator u. h. f. transmitterreceiver
GB1339701A (en) * 1971-02-10 1973-12-05 Selenia Ind Elettronichie Asso Repeaters for use in frequency modulated radio relay systems
CA1023434A (en) * 1973-03-02 1977-12-27 Salvatore Amoroso (Jr.) Single oscillator microwave transceiver
US3916412A (en) * 1974-08-29 1975-10-28 United Technologies Corp Frequency stabilized single oscillator transceivers
JPS5168708A (en) * 1974-12-11 1976-06-14 Ricoh Kk
DE2744110C3 (en) * 1977-09-30 1980-04-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Method for stabilizing the microwave oscillator in the transmission branch of a transceiver
JPS575098A (en) * 1980-06-11 1982-01-11 Nippon Musical Instruments Mfg Automatic performance device

Also Published As

Publication number Publication date
GB2122456B (en) 1986-11-26
JPS58210729A (en) 1983-12-08
GB2122456A (en) 1984-01-11

Similar Documents

Publication Publication Date Title
GB2121656B (en) Communications system
GB8302255D0 (en) Communications systems
DE3379767D1 (en) Optical communication
GB8325280D0 (en) Communications systems
EP0112458A3 (en) Duplex optical communication device
AU550757B2 (en) Communication interface
GB8308159D0 (en) Communication systems
GB8324177D0 (en) Communications cables
DE3377964D1 (en) Starloop communication system
GB2123189B (en) Communication between computers
GB8332951D0 (en) Duplex speech transmission
GB2131658B (en) Communication bus
GB8311432D0 (en) Communication networks
DE3368833D1 (en) Digital duplex communication system
GB2121975B (en) Optical communications
GB8313829D0 (en) Duplex communications
GB8418935D0 (en) Duplex communications
DE3380339D1 (en) Communications system
DE3368834D1 (en) Digital duplex communication system
GB8312889D0 (en) Satellite communications
GB8306293D0 (en) Cordless transmission systems
GB8330393D0 (en) Transmission between two shaft-ends
EP0102225A3 (en) Improved communications interface
GB2164229B (en) Communications system
GB2170624B (en) Communication between computers

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee