AT114392T - Two-way communication systems. - Google Patents

Two-way communication systems.

Info

Publication number
AT114392T
AT114392T AT88301222T AT88301222T AT114392T AT 114392 T AT114392 T AT 114392T AT 88301222 T AT88301222 T AT 88301222T AT 88301222 T AT88301222 T AT 88301222T AT 114392 T AT114392 T AT 114392T
Authority
AT
Austria
Prior art keywords
communication systems
way communication
way
systems
Prior art date
Application number
AT88301222T
Other languages
German (de)
Inventor
Masakatsu C O Patent Toyoshima
Kitashinagawa
Original Assignee
Sony 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
Priority to JP62033945A priority Critical patent/JP2748360B2/en
Priority to JP62043437A priority patent/JP2545831B2/en
Priority to JP4343887A priority patent/JPS63209346A/en
Application filed by Sony Corp filed Critical Sony Corp
Publication of AT114392T publication Critical patent/AT114392T/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N2007/17372Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated or timed by a signal from upstream of the user terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N2007/17381Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated by the user terminal
AT88301222T 1987-02-17 1988-02-15 Two-way communication systems. AT114392T (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP62033945A JP2748360B2 (en) 1987-02-17 1987-02-17 Vehicle information transmission device
JP62043437A JP2545831B2 (en) 1987-02-26 1987-02-26 Information transmission device for vehicles
JP4343887A JPS63209346A (en) 1987-02-26 1987-02-26 Information transmitter

Publications (1)

Publication Number Publication Date
AT114392T true AT114392T (en) 1994-12-15

Family

ID=27288266

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88301222T AT114392T (en) 1987-02-17 1988-02-15 Two-way communication systems.

Country Status (9)

Country Link
US (1) US4958381A (en)
EP (1) EP0279608B1 (en)
KR (1) KR0151129B1 (en)
AT (1) AT114392T (en)
AU (1) AU600338B2 (en)
BR (1) BR8800552A (en)
CA (1) CA1323404C (en)
DE (2) DE3852139D1 (en)
ES (1) ES2063755T3 (en)

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US6400315B1 (en) 2000-07-20 2002-06-04 The Boeing Company Control system for electronically scanned phased array antennas with a mechanically steered axis
AU3142702A (en) * 2000-08-16 2002-02-25 Boeing Co Method and apparatus for providing bi-directional data services and live television programming to mobile platforms
US7921442B2 (en) * 2000-08-16 2011-04-05 The Boeing Company Method and apparatus for simultaneous live television and data services using single beam antennas
US6356239B1 (en) 2000-08-23 2002-03-12 The Boeing Company Method for maintaining instantaneous bandwidth for a segmented, mechanically augmented phased array antenna
US7054593B2 (en) * 2000-09-28 2006-05-30 The Boeing Company Return link design for PSD limited mobile satellite communication systems
US6990338B2 (en) * 2001-06-11 2006-01-24 The Boeing Company Mobile wireless local area network and related methods
US6601798B2 (en) * 2001-06-26 2003-08-05 The Boeing Company Seat track mounted passenger interface
US6847801B2 (en) 2001-08-30 2005-01-25 The Boeing Company Communications system and method employing forward satellite links using multiple simultaneous data rates
US6747960B2 (en) 2001-12-21 2004-06-08 The Boeing Company Closed loop power control for TDMA links
US9374828B2 (en) * 2003-01-13 2016-06-21 Hamilton Sundstrand Corporation Channel allocation for a multi-device communication system
US20040137840A1 (en) * 2003-01-15 2004-07-15 La Chapelle Michael De Bi-directional transponder apparatus and method of operation
US20070176840A1 (en) * 2003-02-06 2007-08-02 James Pristas Multi-receiver communication system with distributed aperture antenna
US7751337B2 (en) * 2003-02-10 2010-07-06 The Boeing Company Method and apparatus for optimizing forward link data rate for radio frequency transmissions to mobile platforms
US7860497B2 (en) * 2004-03-31 2010-12-28 The Boeing Company Dynamic configuration management
EP1774785B1 (en) * 2004-06-15 2011-11-16 Panasonic Avionics Corporation Portable media device and method for presenting viewing content during travel
US20060167745A1 (en) * 2005-01-21 2006-07-27 Paul Wiethorn Providing low-cost message display boards
WO2008033870A2 (en) 2006-09-11 2008-03-20 Lumexis Corporation Fiber-to-the-seat (ftts) fiber distribution system
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JP5386492B2 (en) 2007-09-24 2014-01-15 パナソニック・アビオニクス・コーポレイションPanasonic Avionics Corporation System and method for receiving broadband content on a mobile platform on the move
US8189708B2 (en) * 2008-08-08 2012-05-29 The Boeing Company System and method for accurate downlink power control of composite QPSK modulated signals
EP2189372B1 (en) 2008-11-21 2012-06-13 Deutsche Telekom AG Method and system for passenger seat belt verification
US8509990B2 (en) 2008-12-15 2013-08-13 Panasonic Avionics Corporation System and method for performing real-time data analysis
WO2010144815A2 (en) 2009-06-11 2010-12-16 Panasonic Avionics Corporation System and method for providing security aboard a moving platform
RU2550537C2 (en) 2009-08-06 2015-05-10 Люмексис Корпорейшн Serial networking fibre-to-seat in-flight entertainment system
US8424045B2 (en) 2009-08-14 2013-04-16 Lumexis Corporation Video display unit docking assembly for fiber-to-the-screen inflight entertainment system
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Also Published As

Publication number Publication date
KR880010590A (en) 1988-10-10
EP0279608A3 (en) 1991-04-10
EP0279608A2 (en) 1988-08-24
CA1323404C (en) 1993-10-19
KR0151129B1 (en) 1998-10-15
BR8800552A (en) 1988-09-27
DE3852139T2 (en) 1995-04-13
AU1176588A (en) 1988-08-18
AU600338B2 (en) 1990-08-09
ES2063755T3 (en) 1995-01-16
US4958381A (en) 1990-09-18
EP0279608B1 (en) 1994-11-23
DE3852139D1 (en) 1995-01-05

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee