NL61751C - - Google Patents

Info

Publication number
NL61751C
NL61751C NL61751DA NL61751C NL 61751 C NL61751 C NL 61751C NL 61751D A NL61751D A NL 61751DA NL 61751 C NL61751 C NL 61751C
Authority
NL
Netherlands
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 NL61751C publication Critical patent/NL61751C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
    • H04M11/045—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems using recorded signals, e.g. speech
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/658—Means for redirecting recorded messages to other extensions or equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Toys (AREA)
NL61751D 1936-11-04 NL61751C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB201139X 1936-11-04
GB190837X 1937-08-19

Publications (1)

Publication Number Publication Date
NL61751C true NL61751C (sv)

Family

ID=26253826

Family Applications (1)

Application Number Title Priority Date Filing Date
NL61751D NL61751C (sv) 1936-11-04

Country Status (5)

Country Link
US (1) US2161525A (sv)
BE (1) BE424390A (sv)
CH (1) CH201139A (sv)
GB (1) GB484308A (sv)
NL (1) NL61751C (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB589160A (en) * 1945-03-15 1947-06-12 Alfred Samuel Horace Picking Improvements in or relating to automatic alarm systems
FR956829A (sv) * 1946-09-03 1950-02-08
GB682276A (en) * 1950-06-07 1952-11-05 Samuel Dunseith Mckellen Improvements in or relating to automatic alarm devices
US2769032A (en) * 1951-03-12 1956-10-30 Strother John Telephone alarm
US2661394A (en) * 1951-08-16 1953-12-01 Carsten J Munch Burglary and fire alarm
US2883460A (en) * 1953-07-14 1959-04-21 Anatol N Andrews Automatic transmission alarm

Also Published As

Publication number Publication date
US2161525A (en) 1939-06-06
CH201139A (de) 1938-11-15
GB484308A (en) 1938-05-04
BE424390A (sv)

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