BE624666A - - Google Patents

Info

Publication number
BE624666A
BE624666A BE624666DA BE624666A BE 624666 A BE624666 A BE 624666A BE 624666D A BE624666D A BE 624666DA BE 624666 A BE624666 A BE 624666A
Authority
BE
Belgium
Application number
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 BE624666A publication Critical patent/BE624666A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/68—Circuit arrangements for preventing eavesdropping

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE624666D 1961-11-22 BE624666A (enrdf_load_html_response)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEK0045268 1961-11-22
DEK45632A DE1259392B (de) 1961-11-22 1962-01-11 Schaltungsanordnung zur Verhinderung des Abhoerens von Gespraechen bei Fernsprechapparaten

Publications (1)

Publication Number Publication Date
BE624666A true BE624666A (enrdf_load_html_response)

Family

ID=25983500

Family Applications (1)

Application Number Title Priority Date Filing Date
BE624666D BE624666A (enrdf_load_html_response) 1961-11-22

Country Status (6)

Country Link
BE (1) BE624666A (enrdf_load_html_response)
CH (1) CH397783A (enrdf_load_html_response)
DE (1) DE1259392B (enrdf_load_html_response)
FR (1) FR1339246A (enrdf_load_html_response)
GB (1) GB995025A (enrdf_load_html_response)
NL (1) NL285759A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308984C2 (de) * 1983-03-14 1986-02-27 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine digitale Fernsprechstation
DE3308986C2 (de) * 1983-03-14 1986-02-27 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine digitale Fernsprechstation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1066624B (de) * 1959-10-08 Telefonbau und Normalzeit G.m. b.H., Frankfurt/M Schalungsanordnung zum Verhindern des Abhörens von Gesprächen

Also Published As

Publication number Publication date
NL285759A (enrdf_load_html_response)
CH397783A (de) 1965-08-31
GB995025A (en) 1965-06-10
FR1339246A (fr) 1963-10-04
DE1259392B (de) 1968-01-25

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