FR914757A - Device for disconnecting false calls in automatic telephony - Google Patents

Device for disconnecting false calls in automatic telephony

Info

Publication number
FR914757A
FR914757A FR914757DA FR914757A FR 914757 A FR914757 A FR 914757A FR 914757D A FR914757D A FR 914757DA FR 914757 A FR914757 A FR 914757A
Authority
FR
France
Prior art keywords
disconnecting
false calls
automatic telephony
telephony
automatic
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
Other languages
French (fr)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR914757A publication Critical patent/FR914757A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR914757D 1944-11-10 1945-09-24 Device for disconnecting false calls in automatic telephony Expired FR914757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE634076X 1944-11-10

Publications (1)

Publication Number Publication Date
FR914757A true FR914757A (en) 1946-10-17

Family

ID=20313598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914757D Expired FR914757A (en) 1944-11-10 1945-09-24 Device for disconnecting false calls in automatic telephony

Country Status (2)

Country Link
FR (1) FR914757A (en)
GB (1) GB634076A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110247759A (en) * 2019-06-03 2019-09-17 武汉理工大学 A kind of SM9 private key generates and application method and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110247759A (en) * 2019-06-03 2019-09-17 武汉理工大学 A kind of SM9 private key generates and application method and system

Also Published As

Publication number Publication date
GB634076A (en) 1950-03-15

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