GB2113940B - Data transmission system - Google Patents

Data transmission system

Info

Publication number
GB2113940B
GB2113940B GB08113085A GB8113085A GB2113940B GB 2113940 B GB2113940 B GB 2113940B GB 08113085 A GB08113085 A GB 08113085A GB 8113085 A GB8113085 A GB 8113085A GB 2113940 B GB2113940 B GB 2113940B
Authority
GB
United Kingdom
Prior art keywords
data transmission
transmission system
data
transmission
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
GB08113085A
Other versions
GB2113940A (en
Inventor
Arthur Rex Jenkins
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.)
Allard Way Holdings Ltd
Original Assignee
Elliott Brothers London Ltd
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 Elliott Brothers London Ltd filed Critical Elliott Brothers London Ltd
Priority to GB08113085A priority Critical patent/GB2113940B/en
Publication of GB2113940A publication Critical patent/GB2113940A/en
Application granted granted Critical
Publication of GB2113940B publication Critical patent/GB2113940B/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
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/169—Systems operating in the time domain of the television signal
GB08113085A 1981-04-28 1981-04-28 Data transmission system Expired GB2113940B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08113085A GB2113940B (en) 1981-04-28 1981-04-28 Data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08113085A GB2113940B (en) 1981-04-28 1981-04-28 Data transmission system

Publications (2)

Publication Number Publication Date
GB2113940A GB2113940A (en) 1983-08-10
GB2113940B true GB2113940B (en) 1985-04-17

Family

ID=10521430

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08113085A Expired GB2113940B (en) 1981-04-28 1981-04-28 Data transmission system

Country Status (1)

Country Link
GB (1) GB2113940B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682224A (en) * 1983-10-31 1987-07-21 R. F. Monolithics, Inc. System, method, and apparatus for television signal scrambling and descrambling
US4682223A (en) * 1983-10-31 1987-07-21 R. F. Monolithics, Inc. Descrambler unit method and apparatus for television signal descrambling
EP0140704A3 (en) * 1983-10-31 1987-05-20 R F Monolithics, Inc. Television scrambling and descrambling method and apparatus
GB2186768B (en) * 1985-04-19 1989-07-05 Emc Datacare Ltd Video display unit with improved security
US4736420A (en) * 1986-09-19 1988-04-05 M/A-Com Government Systems, Inc. Video scrambling by segmenting video information lines
FR2681491A1 (en) * 1991-09-17 1993-03-19 Thomson Csf Charge-transfer device allowing video scrambling, and camera containing such a device
GB2400496B (en) * 1991-12-11 2005-02-09 Marconi Gec Ltd Signal processing apparatus

Also Published As

Publication number Publication date
GB2113940A (en) 1983-08-10

Similar Documents

Publication Publication Date Title
GB2118750B (en) Data transmission system
GB2109968B (en) Data transmission system
DE3169333D1 (en) Data transmission system
GB2146509B (en) Data transmission system
GB2142175B (en) Data transmission system
DE3363987D1 (en) Data transmission system
GB8305780D0 (en) Data transmission system
GB8406044D0 (en) Data transmission system
GB2139834B (en) Data transmission system
EP0091562A3 (en) Data transmission system
GB8321483D0 (en) Data transmission system
DE3275801D1 (en) Data transmission system
GB8519984D0 (en) Data transmitting system
DE3376611D1 (en) Data transmission system
YU147881A (en) Data transmission system
JPS56104562A (en) Data transmission system
GB2113940B (en) Data transmission system
ZA82860B (en) Data transmitting systems
DE3370112D1 (en) Data transmission system
GB2147770B (en) Data transmission system
GB2080000B (en) Data transmission system
GB8320453D0 (en) Data transmission system
DE3273670D1 (en) Data transmission system
ZA824733B (en) Data transmission systems
JPS57199096A (en) Information transmission system

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee