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Multiple-destinational cryptosystem for broadcast networks 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-009/00
출원번호 US-0045703 (1979-06-05)
발명자 / 주소
  • Lee Lin-Nan (Germantown MD) Lu Shyue-Ching (Taiwan TWX)
출원인 / 주소
  • Communications Satellite Corporation (Washington DC 02)
인용정보 피인용 횟수 : 107  인용 특허 : 0

초록 ▼

A method of protecting communications through encryption is disclosed which is particularly useful for multiplexed communications. On the transmit side, each message is multiplied by an enciphering key corresponding to its destination, and the products are all added together to form a cryptogram. Ea

대표청구항 ▼

A method of sending a plurality of messages in the form of a single tranmission signal through a single transmitting station to a plurality of destinations through at least one receiving station comprising; multiplying each of said messages by an enciphering key corresponding to its intended destina

이 특허를 인용한 특허 (107)

  1. Rackman Michael I. (1710 Glenwood Rd. Brooklyn NY 11230), Cartridge-controlled system whose use is limited to authorized cartridges.
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  7. Raivisto, Tommi, Implementation of multicast messaging in a mobile telecommunications network.
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  11. Murakami Hideo,JPX, Residue division multiplexing system and apparatus for discrete-time signals.
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  52. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  53. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  56. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  57. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  58. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  59. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  60. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  61. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  62. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  63. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  64. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  65. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  66. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  67. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  68. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  70. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  71. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  72. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  73. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  75. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  78. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  79. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  80. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  81. Harvey, John Christopher; Cuddihy, James William, Signal processing apparatus and methods.
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  103. Hoffberg, Steven M., System and method for providing a payment to a non-winning auction participant.
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