CA998767A - Control circuitry for information transmission system - Google Patents

Control circuitry for information transmission system

Info

Publication number
CA998767A
CA998767A CA176,178A CA176178A CA998767A CA 998767 A CA998767 A CA 998767A CA 176178 A CA176178 A CA 176178A CA 998767 A CA998767 A CA 998767A
Authority
CA
Canada
Prior art keywords
transmission system
information transmission
control circuitry
circuitry
information
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
CA176,178A
Other versions
CA176178S (en
Inventor
Earnest F. Rooks
David E. Lewis
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.)
Columbia Pictures Industries Inc
Original Assignee
Columbia Pictures Industries Inc
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 Columbia Pictures Industries Inc filed Critical Columbia Pictures Industries Inc
Application granted granted Critical
Publication of CA998767A publication Critical patent/CA998767A/en
Expired 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
    • H04N7/17345—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
    • H04N2007/1739—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream communication being transmitted via a separate link, e.g. telephone line
CA176,178A 1972-11-15 1973-07-11 Control circuitry for information transmission system Expired CA998767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00306830A US3835387A (en) 1972-11-15 1972-11-15 Control circuitry for information transmission system

Publications (1)

Publication Number Publication Date
CA998767A true CA998767A (en) 1976-10-19

Family

ID=23187055

Family Applications (1)

Application Number Title Priority Date Filing Date
CA176,178A Expired CA998767A (en) 1972-11-15 1973-07-11 Control circuitry for information transmission system

Country Status (2)

Country Link
US (1) US3835387A (en)
CA (1) CA998767A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110743A (en) * 1974-07-11 1978-08-29 Hasler Ag Wireless paging receiver
US4071845A (en) * 1975-03-31 1978-01-31 Raytheon Company Harbor radio navigation system
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
US4837622A (en) * 1985-05-10 1989-06-06 Micro-Probe, Inc. High density probe card

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335406A (en) * 1958-10-06 1967-08-08 Gen Electric Code selectors for selective calling systems
US3233221A (en) * 1960-10-26 1966-02-01 Bendix Corp Binary code selective calling system having synchronized clock oscillators at the transmitter and receiver
BE665912A (en) * 1964-06-26
US3384873A (en) * 1965-01-22 1968-05-21 Collins Radio Co Selective calling system
US3510777A (en) * 1967-05-10 1970-05-05 Corn Products Co Digital stream selective calling system

Also Published As

Publication number Publication date
US3835387A (en) 1974-09-10

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