GB720699A - - Google Patents

Info

Publication number
GB720699A
GB720699A GB720699DA GB720699A GB 720699 A GB720699 A GB 720699A GB 720699D A GB720699D A GB 720699DA GB 720699 A GB720699 A GB 720699A
Authority
GB
United Kingdom
Prior art keywords
circuit
main station
valve
transmitter
tone
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.)
Active
Application number
Other languages
English (en)
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.)
Publication of GB720699A publication Critical patent/GB720699A/en
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
GB720699D 1952-02-15 Active GB720699A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2851591X 1952-02-15

Publications (1)

Publication Number Publication Date
GB720699A true GB720699A (enrdf_load_html_response)

Family

ID=19876012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB720699D Active GB720699A (enrdf_load_html_response) 1952-02-15

Country Status (4)

Country Link
BE (1) BE517684A (enrdf_load_html_response)
FR (1) FR1076979A (enrdf_load_html_response)
GB (1) GB720699A (enrdf_load_html_response)
NL (1) NL81347C (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980794A (en) * 1957-06-13 1961-04-18 Fairchild Camera Instr Co Automatic tone decoder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980794A (en) * 1957-06-13 1961-04-18 Fairchild Camera Instr Co Automatic tone decoder

Also Published As

Publication number Publication date
NL81347C (enrdf_load_html_response)
FR1076979A (enrdf_load_html_response)
BE517684A (enrdf_load_html_response)

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