US2489638A - Arrangement for switching on and initiating processes by means of telephone calls - Google Patents

Arrangement for switching on and initiating processes by means of telephone calls Download PDF

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Publication number
US2489638A
US2489638A US583696A US58369645A US2489638A US 2489638 A US2489638 A US 2489638A US 583696 A US583696 A US 583696A US 58369645 A US58369645 A US 58369645A US 2489638 A US2489638 A US 2489638A
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United States
Prior art keywords
relay
contact
circuit
contacts
actuated
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Expired - Lifetime
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US583696A
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English (en)
Inventor
Handschin Max
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
Ipsophon Patentgesellschaft A-G
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IPSOPHON PATENTGESELLSCHAFT A
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Publication of US2489638A publication Critical patent/US2489638A/en
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Expired - Lifetime legal-status Critical Current

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    • 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

Definitions

  • the present inventiom relates-ta-a secret lock of this kind for arrangements enabling processes to be switched 'on andrrinitiated by: telephone calls.
  • -It is characterized by simplicity? of 13011- struction "and; aiwide rangez ofiwariationeioi the key.
  • ior'iinitiatingiprocesses by means of telephone. calls the subscribers calling-"circuit as ⁇ . usual actuates a" device transmitting at fixed intervals signals "f(for example aseries of numbers) between which the ca'iler :can emitorder impulses of anyidesired frequency,
  • This-device is characterised ina thatv a selector -rnechanism with -:several switchbuttons, to each pulses. :Both oi these relays-are connectedwith.
  • the circuit of the switching device also contains a cam-controlled contact. .Tnis'can only be'j'close'd when all the cam-controlled contacts..of'the sejle'ctor mechanism have been actuated. "This means that .the circuit ofthe' switching ;device can only be closed after allthd'buttons oi'the selector mechanism have. been actuated'i'successively.
  • the .key is the action or the block-relay excluded. "The .switchcircixitisiclosedafter the cam-controlled contactmas' .been actuated "and "the callerisconnected withtheelectricapparatus "or the'process initiated.
  • the windings I and II serve for actuating the relay, while the winding III is bifilar incapable of setting the relay in operation.
  • the relay H6 actuates the contacts 7, 8, ll, 16, i1 and i3 causing the following processes:
  • the relay STIZ which can be energized through each one of its three windings, is, after it has been energized in the said manner through its winding I, inserted in a holding circuit, which runs through a contact 65, closed by the cam of the cam disk NK
  • the recordings existing on the sound carrier T033 which consist of a general message to the calling person and subsequently in a succession of numbers, for instance from 1 to 10, produce in the reproducing magnet SPKHJG currents which are transmitted to the calling subscriber through the amplifier VAG3I and the cables l3, I4.
  • the circuit may now be explained with the help of a number of examples of correct, incorrect and repeatedly incorrect command, considering a selector mechanism with 10 buttons.
  • Let the secret key be the number 146. This presupposes that of the keys TI to Til), the keys Tl, T4, and T6 have been confirmed by the owners of the telephonograph so that the contacts 84, 87, and 89 are closed.
  • contact 5% contacti ti b
  • Uponlputtfnglbh relay ANQB into Operation h a 41l ontact 1 "relay X24, the contact'35 is closezi by which any mechanical w h t f jor electricalprocess may be released.
  • This process may, for example, consist inconnecting the in line l3, M of the telephonograph with a producing"inaiiet' belonging 'totjthe I p ,l'atter,Whiehimagnet operates 'in conjunction 1365 the relay X251 remems "with'asteel band-on tvhichther'e are any, jc1esired igj lbyiousythat the order impulses emitted by thecaHer or 'byiflthe exchange wiitriot'alt'trays ength.
  • the relay S21 is provided with three windings I, II, and III, of which each one can be used for actuating the relay.
  • the relay by its operating contact 52, is inserted in the following holding circuit:
  • relay S21 The make and break contact 94 of relay S21 is inserted in the circuit of relay AN95 which it interrupts when excited. As soon as relay S21 is excited all other order impulses are rendered ineffective by this relay. If an impulse is received at a wrong moment, i. e. when the corresponding button has not been pressed, relay S21 is in any case excited and if, after the passage of all the button circuits, contact 95 of cam NKH is actuated, a special circuit 36 is closed. This circuit can, for example, transmit a busy signal to the calling subscriber in the usual way.
  • the following circuit is formed:
  • Relay Z65 is held in the circuit:
  • circuit I0 is closed, as described above. If other incorrect control impulses are given, the following circuit is formed after the completion of the return movement:
  • Relay S21 is now held by circuit l5. As already repeatedly mentioned, the attraction of relay S21 excludes the possibility of actuating relay AN 96. It also closes the special circuit 36 with the help of relay A1391.
  • a control system for remotely actuating an apparatus, an electrical line, and a station comprising said apparatus, an impulse relay actuated by current impulses arriving over said line, a first intermediate relay connected with the contacts of said impulse relay and energized when said impulse relay is actuated by a current impulse, means for holding said first intermediate relay independently of said impulse relay after the first intermediate relay was actuated, a second intermediate relay connected with the contacts of the first intermediate relay to prepare its actuating circuit and also connected with the contacts of said impulse relay to be actuated on the end of the impulse operating said first intermediate relay, means for holding said second intermediate rela after its actuation independentl of said impulse relay, electrical switching means, and an actuating circuit for said electrical switching means, said actuating circuit including contacts of said impulse relay and contacts of said second intermediate relay and actuating said electrical switching means upon recei-pt of at least two current impulses transmitted over said line.
  • a control system for remotely actuating an apparatus, an electrical line and a station, in which said apparatus is located, a, transmitter for transmitting signals over the line, means for causin the transmission of a number of signals by the transmitter at predetermined time intervals, a first set of switches to be manually actuated in accordance with a prearranged code, a
  • second set of switches including means for operating the switching of said second set one by one and each within one of said time intervals, a first relay, a set of circuits, each circuit being provided with a switch of each set of switches and adapted to operate said first relay when both switches are simultaneously in the operated position, a second relay adapted to be actuated by electrical impulses arriving over the line, a third relay, a circuit comprising contacts of said first and second relay and adapted to operate the third relay upon the arrival of electrical impulses not corresponding to said code, and circuit means for actuating the apparatus, the operation of the latter means being controlled by contacts of the third relay for preventing the apparatus from being actuated when the third relay has been operated.
  • a control system for remotely actuating an apparatus, an electrical line and a station, in which said apparatus is located, a sound carrier having numerals of a numerological series recorded at intervals thereon, a device for reproducing said numerals electrically and for transmitting them over the line, a first set of switches to be manually actuated in accordance with a prearranged code, a second set of switches, a first relay, a set of circuits of which each is provided with a switch of each set of switches and is adapted to operate said first relay when both switches are simultaneously in the operated position, a second relay adapted to be actuated by electrical impulses arriving over the line, rotatable cam means adapted on the one hand to operate the switches of said second set of switches, each during the interval between the transmission of two numerals, and on the other hand to cause said second relay to be connected with the line during each of said intervals, driving means adapted to move the sound carrier and the cam means, a third relay, a circuit comprising contacts of said first and second relay and
  • an electrical line and 10 a station, in which is located an apparatus to be actuated by electrical impulses transmitted over the line and corresponding to a predetermined code, electrical impulse receiving means responsive to impulses transmitted over the line, selective circuit elements set in accordance with the code, control means adapted for cyclic operation from an initial position and causing the selective circuit elements to become efiective one after the other during each cycle, driving means for moving the control means out of said initial position and for automatically restoring them to this position, a test circuit comprising a relay and contact means, said contact means including contacts controlled by said electrical impulse receiving means and contacts controlled by said selective circuit elements for operating the relay upon the arrival during a first cycle of the control means of impulses not corresponding with the code, a starting circuit for said driving means including contacts of said relay and contacts associated with said control means and arranged to be operated thereby in their initial position, the starting circuit being provided to initiate the control means to operate through a further cycle when the impulses transmitted during said first cycle did not correspond with the code.
  • a control system in combination with a transmitter, an electrical line and a station in which is located an apparatus to be actuated by electrical impulses transmitted over the line and corresponding to a predetermined code
  • electrical impulse receiving means including contacts to be operated by impulses transmitted over the line
  • circuit means including a relay and selective circuit elements set in accordance with the code, a time delay switch operating through a fixed range and adapted to govern said transmitter to transmit signals at predetermined time intervals over the line and to cause the circuit means to connect said selective circuit elements one by one and each during one of said time intervals with the said relay for operating it in accordance with the code, control means for causing the switch to move through said range, and a test circuit including the contacts controlled by the impulse receiving means, the contacts of said relay and the control means, which contacts are arranged to operate the control means and thereby to effect the repetition of a foregoing movement of the switch during which a series of impulses transmitted over the line did not correspond to the code.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
US583696A 1944-12-11 1945-03-20 Arrangement for switching on and initiating processes by means of telephone calls Expired - Lifetime US2489638A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
US2489638A true US2489638A (en) 1949-11-29

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ID=4569601

Family Applications (1)

Application Number Title Priority Date Filing Date
US583696A Expired - Lifetime US2489638A (en) 1944-12-11 1945-03-20 Arrangement for switching on and initiating processes by means of telephone calls

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)

Cited By (2)

* 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
US2731620A (en) * 1951-05-10 1956-01-17 Internat Telemeter Corp Pulse responsive control apparatus in a coin demand selling system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL232402A (xx) * 1957-10-23

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1595241A (en) * 1923-11-26 1926-08-10 Robert O Nelson Automatic phonograph
US1665622A (en) * 1921-03-22 1928-04-10 Chauveau Louis Lucien Eugene Calling device
US1719535A (en) * 1920-12-20 1929-07-02 Rca Corp Calling device for wireless telegraphy
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
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
US2276646A (en) * 1939-01-18 1942-03-17 Westinghouse Electric & Mfg Co Supervisory control 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

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1719535A (en) * 1920-12-20 1929-07-02 Rca Corp Calling device for wireless telegraphy
US1665622A (en) * 1921-03-22 1928-04-10 Chauveau Louis Lucien Eugene Calling device
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

Cited By (2)

* 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
US2731620A (en) * 1951-05-10 1956-01-17 Internat Telemeter Corp Pulse responsive control apparatus in a coin demand selling system

Also Published As

Publication number Publication date
CH257252A (de) 1948-09-30
FR913552A (fr) 1946-09-13
BE460890A (xx)
AT163570B (de) 1949-07-25
NL65337C (xx)

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