JPS51115718A - Bi-directional catv system - Google Patents

Bi-directional catv system

Info

Publication number
JPS51115718A
JPS51115718A JP50023041A JP2304175A JPS51115718A JP S51115718 A JPS51115718 A JP S51115718A JP 50023041 A JP50023041 A JP 50023041A JP 2304175 A JP2304175 A JP 2304175A JP S51115718 A JPS51115718 A JP S51115718A
Authority
JP
Japan
Prior art keywords
catv system
directional catv
directional
chargeable
subscribers
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.)
Pending
Application number
JP50023041A
Other languages
English (en)
Inventor
Katsuaki Matsumoto
Yoshibumi Saeki
Osamu Tazawa
Saburo Takaoka
Tsutomu Suzuki
Shozo Nakamuta
Toshihiko Hosaka
Kuniaki Shiratori
Minoru Kosake
Masayuki Saito
Hiroki Uemura
Tetsuo Kanezashi
Seiji Hashimoto
Takeshi Fujiwara
Tsutomu Fukui
Yoichiro Tsuda
Tadashi Morii
Sumitaka Matsumura
Morihisa Oka
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP50023041A priority Critical patent/JPS51115718A/ja
Priority to US05/654,721 priority patent/US4245245A/en
Publication of JPS51115718A publication Critical patent/JPS51115718A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17345—Control of the passage of the selected programme
    • H04N7/17363—Control of the passage of the selected programme at or near the user terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N2007/17372—Analogue 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP50023041A 1975-02-24 1975-02-24 Bi-directional catv system Pending JPS51115718A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50023041A JPS51115718A (en) 1975-02-24 1975-02-24 Bi-directional catv system
US05/654,721 US4245245A (en) 1975-02-24 1976-02-02 Interactive CATV system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50023041A JPS51115718A (en) 1975-02-24 1975-02-24 Bi-directional catv system

Related Child Applications (11)

Application Number Title Priority Date Filing Date
JP51057312A Division JPS51139209A (en) 1976-05-20 1976-05-20 Bilateral catv system
JP51057316A Division JPS5857029B2 (ja) 1976-05-20 1976-05-20 双方向ｃａｔｖシステム
JP51057313A Division JPS51139210A (en) 1976-05-20 1976-05-20 Bilateral catv system
JP51057315A Division JPS5857028B2 (ja) 1976-05-20 1976-05-20 双方向ｃａｔｖシステム
JP51057314A Division JPS51139211A (en) 1976-05-20 1976-05-20 Bilateral catv system
JP51057927A Division JPS51139214A (en) 1976-05-21 1976-05-21 Bilateral catv system
JP51059366A Division JPS5938550B2 (ja) 1976-05-22 1976-05-22 パワ−・センサ
JP51059369A Division JPS51142216A (en) 1976-05-22 1976-05-22 Bidirectional catv system
JP51059368A Division JPS51142215A (en) 1976-05-22 1976-05-22 Bidirectional catv system
JP51059367A Division JPS51142214A (en) 1976-05-22 1976-05-22 Bidirectional catv system
JP51059919A Division JPS51142217A (en) 1976-05-24 1976-05-24 Bidirectional catv system

Publications (1)

Publication Number Publication Date
JPS51115718A true JPS51115718A (en) 1976-10-12

Family

ID=12099363

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50023041A Pending JPS51115718A (en) 1975-02-24 1975-02-24 Bi-directional catv system

Country Status (2)

Country Link
US (1) US4245245A (ja)
JP (1) JPS51115718A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
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JPS5647178A (en) * 1979-09-26 1981-04-28 Pioneer Electronic Corp Specific channel image receiving method of catv system
JPS56140784A (en) * 1980-04-03 1981-11-04 Nobuaki Ikeda Announcement information transmitting device for television common visual-aural device
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US5375740A (en) * 1991-04-26 1994-12-27 Toppan Printing Co., Ltd. Manual dispenser for dispensing predetermined amounts of viscous material through actuation of a trigger
GB2582641B (en) * 2019-03-29 2023-05-17 Siang Syuan Fu Entpr Co Ltd Caulking gun and method for using the same

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