FR913552A - Montage pour le couplage et le déclenchement de combinaisons par appels téléphoniques - Google Patents

Montage pour le couplage et le déclenchement de combinaisons par appels téléphoniques

Info

Publication number
FR913552A
FR913552A FR913552DA FR913552A FR 913552 A FR913552 A FR 913552A FR 913552D A FR913552D A FR 913552DA FR 913552 A FR913552 A FR 913552A
Authority
FR
France
Prior art keywords
coupling
assembly
telephone calls
triggering combinations
triggering
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
English (en)
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.)
IPSOPHON PATENTGESELLSCHAFT A
Original Assignee
IPSOPHON PATENTGESELLSCHAFT A
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 IPSOPHON PATENTGESELLSCHAFT A filed Critical IPSOPHON PATENTGESELLSCHAFT A
Application granted granted Critical
Publication of FR913552A publication Critical patent/FR913552A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04M1/652—Means for playing back the recorded messages by remote control over a telephone line
    • 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
    • H04M1/6515—Recording arrangements for recording a message from the calling party using magnetic tape

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
FR913552D 1944-12-11 1945-08-22 Montage pour le couplage et le déclenchement de combinaisons par appels téléphoniques Expired FR913552A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2489638X 1944-12-11

Publications (1)

Publication Number Publication Date
FR913552A true FR913552A (fr) 1946-09-13

Family

ID=4569601

Family Applications (1)

Application Number Title Priority Date Filing Date
FR913552D Expired FR913552A (fr) 1944-12-11 1945-08-22 Montage pour le couplage et le déclenchement de combinaisons par appels téléphoniques

Country Status (6)

Country Link
US (1) US2489638A (xx)
AT (1) AT163570B (xx)
BE (1) BE460890A (xx)
CH (1) CH257252A (xx)
FR (1) FR913552A (xx)
NL (1) NL65337C (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601393A (en) * 1948-05-27 1952-06-24 Jr John Hays Hammond Selective remote control system
NL169344B (nl) * 1951-05-10 Shell Int Research Werkwijze ter bereiding van een estersmeermiddelcompositie.
NL102804C (xx) * 1957-10-23

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL11285C (xx) * 1920-12-20
FR543176A (fr) * 1921-03-22 1922-08-29 Radio Electr Soc Fr Sélecteur d'appel
US1595241A (en) * 1923-11-26 1926-08-10 Robert O Nelson Automatic phonograph
US1888904A (en) * 1928-10-16 1932-11-22 Brauer Ernst Station calling device
US2072079A (en) * 1933-10-13 1937-03-02 Gen Railway Signal Co Centralized traffic controlling system for railroads
US2141551A (en) * 1936-08-01 1938-12-27 Gen Railway Signal Co Centralized traffic controlling system for railroads
US2194559A (en) * 1937-04-28 1940-03-26 Rca Corp Frequency responsive relay
US2276646A (en) * 1939-01-18 1942-03-17 Westinghouse Electric & Mfg Co Supervisory control system
US2230486A (en) * 1939-06-15 1941-02-04 Lyndon A Durant Selector mechanism
US2238976A (en) * 1940-07-29 1941-04-22 Carl F Huebotter Remote control sound record reproducing system
US2306654A (en) * 1941-05-28 1942-12-29 Rock Ola Mfg Corp Phonograph
US2368826A (en) * 1942-05-11 1945-02-06 Gen Railway Signal Co Centralized traffic controlling system for railroads
US2399738A (en) * 1944-03-29 1946-05-07 Gen Railway Signal Co Centralized traffic controlling system for railroads

Also Published As

Publication number Publication date
NL65337C (xx)
AT163570B (de) 1949-07-25
US2489638A (en) 1949-11-29
BE460890A (xx)
CH257252A (de) 1948-09-30

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