NL122369C - - Google Patents

Info

Publication number
NL122369C
NL122369C NL122369DA NL122369C NL 122369 C NL122369 C NL 122369C NL 122369D A NL122369D A NL 122369DA NL 122369 C NL122369 C NL 122369C
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 NL122369C publication Critical patent/NL122369C/xx

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
    • H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
NL122369D 1960-04-01 NL122369C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19314A US3119027A (en) 1960-04-01 1960-04-01 Signal actuated control circuit

Publications (1)

Publication Number Publication Date
NL122369C true NL122369C (enrdf_load_stackoverflow)

Family

ID=21792559

Family Applications (2)

Application Number Title Priority Date Filing Date
NL260729D NL260729A (enrdf_load_stackoverflow) 1960-04-01
NL122369D NL122369C (enrdf_load_stackoverflow) 1960-04-01

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL260729D NL260729A (enrdf_load_stackoverflow) 1960-04-01

Country Status (6)

Country Link
US (1) US3119027A (enrdf_load_stackoverflow)
BE (1) BE601953A (enrdf_load_stackoverflow)
DE (1) DE1242703B (enrdf_load_stackoverflow)
FR (1) FR1281078A (enrdf_load_stackoverflow)
NL (2) NL122369C (enrdf_load_stackoverflow)
SE (1) SE310899B (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226563A (en) * 1961-03-08 1965-12-28 John C Lovci Teletype current supply system
US3217172A (en) * 1961-08-01 1965-11-09 Burroughs Corp Delay circuit employing coupling circuit between two time delay circuits
US3341712A (en) * 1963-01-23 1967-09-12 Fifth Dimension Inc Current sensing timing circuits
US3284791A (en) * 1963-03-25 1966-11-08 Aseco Inc Near alarm receiver having-time delay of discharge type
US3286101A (en) * 1963-10-16 1966-11-15 Massachusetts Inst Technology Sample and hold circuit
US3505541A (en) * 1966-07-29 1970-04-07 Rca Corp Electronic timer
US3482148A (en) * 1966-12-28 1969-12-02 Bell Telephone Labor Inc Pulse driven circuit for activating an electromagnetic device during and for a predetermined interval longer than the input pulse width
US3577087A (en) * 1968-09-27 1971-05-04 Rca Corp Sequence {37 and{38 {0 gate with resetting means
US3584240A (en) * 1969-04-02 1971-06-08 Rca Corp Trigger pulse circuits
US3604956A (en) * 1969-07-01 1971-09-14 Us Navy Radiation immune timing circuit
US3600610A (en) * 1969-07-09 1971-08-17 Xerox Corp Time delay circuit for a radiant energy protective apparatus
US3852646A (en) * 1970-12-28 1974-12-03 Design Elements Inc Solenoid drive circuit
US4330720A (en) * 1978-11-24 1982-05-18 Gould Inc. Electrographic recording apparatus employing an improved drive circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE483166A (enrdf_load_stackoverflow) * 1944-04-24
US2617024A (en) * 1948-08-31 1952-11-04 Rca Corp Time delay circuits
US2653233A (en) * 1951-08-25 1953-09-22 Westinghouse Electric Corp Electrical apparatus
US2845548A (en) * 1956-04-25 1958-07-29 Westinghouse Electric Corp Static time delay circuit
US2902658A (en) * 1957-05-01 1959-09-01 Electrocircuits Inc Apparatus for generating frequency modulated signals
US2998532A (en) * 1958-05-21 1961-08-29 Thompson Ramo Wooldridge Inc Linear ramp voltage wave shape generator

Also Published As

Publication number Publication date
US3119027A (en) 1964-01-21
DE1242703B (de) 1967-06-22
FR1281078A (fr) 1962-01-08
BE601953A (fr) 1961-07-17
SE310899B (enrdf_load_stackoverflow) 1969-05-19
NL260729A (enrdf_load_stackoverflow)

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