US3772659A - Method and apparatus for forming certain pulse sequences - Google Patents

Method and apparatus for forming certain pulse sequences Download PDF

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Publication number
US3772659A
US3772659A US00288420A US3772659DA US3772659A US 3772659 A US3772659 A US 3772659A US 00288420 A US00288420 A US 00288420A US 3772659D A US3772659D A US 3772659DA US 3772659 A US3772659 A US 3772659A
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United States
Prior art keywords
signal
address
pulse
pulse sequence
retrieved
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US00288420A
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English (en)
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Vries H De
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Zellweger Uster AG
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Zellweger Uster AG
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • H02J13/00009—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission using pulsed signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/78—Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
    • H03K5/15013—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
    • H03K5/15013—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs
    • H03K5/1506—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs with parallel driven output stages; with synchronously driven series connected output stages
    • H03K5/15066—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs with parallel driven output stages; with synchronously driven series connected output stages using bistable devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

Definitions

  • a command element is actuated so that clock pulses are delivered to a counter and the counter state or result is delivered as addresses of a first type to the storage.
  • addresses of a first type there are retrieved the stored order numbers which are delivered in the form of actual value signals to the comparator.
  • a coincidence signal which interrupts the counting operation and from the address signal of the first type corresponding to the reference value and an additional sig nal produced by such coincidence signal forms an address signal of the second type associated with the pulse sequence desired to be retrieved.
  • This address signal of the second type then serves to retrieve the associated pulse sequence.
  • the present invention relates to a new and improved method of, and apparatus for, forming certain or predetermined pulse sequences and also concerns the use of the aforesaid method.
  • control commands delivered to equipment which is to be controlled are often formed in a coded configuration.
  • Each such command has associated therewith a consecutive number, so that for a predetermined command number there is to be understood a specific pulse sequence, also known as pulse image.
  • Such control command portrayed in the form of a predetermined pulse image can be directly delivered to a piece of equipment or device which is to be controlled, or it can be transmitted via a transmission channel to a control command receiver.
  • coded control commands it is, for instance, also possible to control a generator for alternatingcurrent pulses and in this manner to form alternating current pulse sequences which correspond to the aforementioned coded control commands.
  • This procedure is conventional for instance in the remote control art wherein preferably audio-frequency-altemating current pulses are superimposed upon a high voltage power supply network.
  • each pulse sequence which can be produced has associated at a first address an order number and at a second address there is associated a pulse sequence associated with the aforesaid order number.
  • each of the order numbers is stored in binary coded-decimal notation at a read only memory and each of the pulse sequences which can be generated and a pulse image associated therewith is stored at the second address likewise at the read only memory.
  • a signal for retrieving a pulse sequence By means of a signal for retrieving a pulse sequence, there is placed into operation a counting operation for clock or timing pulses and an actual value of the order numbers retrieved by the counting result or condition is continuously compared with the set or adjusted order number of a retrieved pulse sequence serving as the reference value. Upon coincidence of the actual value and reference value there is formed a coincidence signal.
  • This coincidence signal on the one hand, stops the aforementioned counting operation and, on the other hand, from the aforementioned first address and an addition released by the aforesaid coincidence signal there is formed the second address and delivered to the address input of the read only memory in such a manner that at the output of the read only memory there appears the pulse sequence stored at the second address or a pulse image corresponding thereto.
  • the invention is not only concerned with the aforementioned method aspects but also with apparatus for carrying out the aforementioned method which is manifested by the features that there is provided a read only memory for the storage of a predetermined number of order numbers as well as for the storage of a predetermined number of pulse sequences or pulse images.
  • the aforementioned order numbers and the aforementioned pulse sequences or pulse images can be retrieved from the read only memory through input of addresses of a first type and input of addresses of a second type respectively.
  • an input device or mechanism for the infeed of order numbers to reference value inputs of a comparator are connected with corresponding outputs of the read only memory.
  • a counting mechanism having outputs wherein the outputs of the counting mechanism are connected with the address inputs of the read only memory.
  • Circuit means are associated with the counting mechanism in order to control delivery of clock or timing pulses of a clock generator or timer both as a function of actuation of a command element as well as also as a function of the comparison result of the comparator. Furthermore, as a function of the aforementioned comparison result by modifying the aforesaid addresses of the first type, there can be formed an address of the second type and delivered to the read only memory in such a manner that at the outputs of the read only memory and the apparatus after actuation of the input device and the command element, the retrieved or recalled pulse sequence can be delivered by the apparatus.
  • FIGURE illustrates a block circuit diagram of a preferred exemplary embodiment of inventive apparatus useful in the practice of the method aspects of this development.
  • the inventive apparatus has been generally designated in its entirety by reference character I and contains a conventional read only memory (ROM) 2 for storing a number n of, for instance, [28 order numbers as well as storing, for instance, according to the exemplary embodiment under discussion, a like number of I28 pulse sequences.
  • ROM read only memory
  • pulse sequences correspond to 128 different pulse images of remote control commands.
  • different remote control commands as such for instance, in the remote control art are superimposed upon a high voltage power network.
  • Each such pulse image portrays for example a combination of the fifth class of elements. This is to say, each such pulse image contains five respective pulses and five respective pulse intervals divided over IO-time intervals as elements in all possible combinations.
  • Such pulse images can represent for instance socalled individual commands and/or collective commands. Of course, other combinations as well as a different number of pulse sequences are readily possible.
  • Each of the order numbers is associated with a respective predetermined pulse sequence and a predetermined pulse image.
  • a read only memory 2 suitable for the purposes of the invention is available on the market from Electronic Arrays Inc., 501 Ellis St., Mountain View, Calif. 94040, United States of America, under their commercial designation Type EA 3100, or there can be readily employed a similar construction. Further details concerning such ROM 2 are available from such company's data sheet EA 3100.
  • the apparatus 1 additionally embodies an input device 3 for the input of order numbers or characters.
  • Such input device 3 can for instance constitute a multiplace or multi-position multiple switch arrangement of known construction for the infeed of numerical values in binary-coded-decimal notation, for instance of the type available from the Swiss concern, Contraves AG, of Zurich, Switzerland, under their commercial designation Type BO 31.
  • the outputs 4 of the input or infeed device 3 are coupled through the agency of connections or lines 5 with reference-value inputs 6 of a conventional comparator 7.
  • the comparator 7 can be, for instance, of the type available from Texas instruments Corporation, of Dallas, Tex., under their trade designation Type Ser. No. 7485 N.
  • the outputs 8 of ROM 2 are coupled via connections or lines 9 with actual-value inputs 10 of the comparator 7.
  • a portion 11 of the address inputs of the ROM 2 are connected via connections or lines 12 with the counter state or result Z of a counter 14.
  • Switching means to be considered more fully hereinafter are associated with the counter 14 in order to deliver clock or timing pulses T from a conventional clock generator or timer 15, for instance an astabile multivibrator or the like, both as a function of actuation of a command element 16, for instance a push button or keyboard switch, and also as a function of the result of the comparison operation of comparator 7.
  • Suitable as such switching means are for instance an AND- gate 17, the first input 18 of which is coupled via a conductor 19 with output 20 of the clock generator or timer 15, whereas a second input 21 is connected via conductor 22 with an output 0 of a storage 23, for instance a bistable multivibrator.
  • a first input R of the storage 23 is connected via conductor 24 with output 25 of the comparator 7.
  • the comparator 7 Upon coincidence of the set reference value and an infed or delivered actual value the comparator 7 delivers at its output 25 a coincidence signal U.
  • the comparator output 25 Upon non-coincidence there appears at the comparator output 25 the logic signal 0 for instance, and upon coincidence the logic signal 1.
  • a second input S of the storage 23 is coupled through the agency of a conductor 26 with the command element 16. To the input S there can be applied a positive voltage upon actuation of the command element 16, which then corresponds to the value of the logic signal 1.
  • a further output 6 of the storage 23 is connected through the agency of a conductor 27 with a further portion 28 of the address inputs ll of the ROM 2.
  • the current supply for the previously described circuitry corresponds to the type which is conventional for logic circuits and therefore has not been further depicted in detail.
  • the input device 3 is set or adjusted to the order number 125," for instance by adjusting a switch associated with each decimal place to the corresponding numerical value, in other words, in the example under consideration the first decimal place (unit place) is set to the value 5, the second decimal place (the tens place) to the numeral 2 and the third decimal place (the hundreds place) to the numeral 1.
  • the reference value inputs six of the comparator seven logic signals which portray the order number 125 in binary-coded-decimal notation. At the actual value inputs it) of the comparator there initially appear random signals.
  • the clock pulses T generated by the timer or clock generator can therefore arrive via the input 18 through the AND- gate 17 at its output 29.
  • these clock or timing pulses T are then delivered to input 31 of counter 14.
  • the counter state or result Z passes through all of the values which are possible owing to the nature of the counter. All of these values are delivered via the connections 12 to the first portion or component 11 of the address inputs of the ROM 2 as addresses of the first type. Owing to the input of these addresses of the first type, during a fourth operational step, there is retrieved from the ROM 2 the therein stored n order numbers in binarycoded-decimal notation, one after the other at the outputs 8 of the ROM 2. These order numbers in binarycoded-decimal notation arrive via conductors 9 at the actual value inputs 10 of comparator 7.
  • the coincidence signal U appearing at the input R of the storage 23 resets the storage 23, so that now there appears at the output 0 the logic signal 0 and at the output 0 the logic signal 1.
  • the logic signal 0 arrives from the output Q via the conductor 22 to the input 21 of the AND- gate 17.
  • this AND-gate 17 is blocked and the counting operation is brought to standstill upon reaching the reference value of thelorder number which was set at the input device 3.
  • the logic signal I arrives as an additional address signal at the ROM 2 and specifically from the output 6 via the conductor 27 to the further portion or component 28 of the address inputs of the ROM 2, whereas at the first component or portion ll of the address inputs there appears just as before the counter result Z corresponding to the reference value.
  • the prevailing counter result 2, corresponding to the reference vglue, and the additional address signal from the output 0 of the storage 23 collectively form an ad dress of the second type.
  • the ROM 2 is designed such that upon delivery of such address of the second type it delivers at its outputs 8 the pulse sequence stored thereat which is associated with the order number introduced by means of the input device 3, i.e., in the example under consideration "125.
  • This desired recalled pulse sequence can be directly delivered via the conductors 9 and the conductors 32 to the signal outputs 29 of the apparatus I.
  • the capacity of the ROM 2 can be readily accommodated to the momentarily existing requirements, for instance by conventionally connecting together a number of read only memories.
  • the outputs 29 of the apparatus 1 can be connected with the control inputs of a suitable control device of known type for producing alternating current pulses which are then superimposed in known manner in the form of remote control signals upon an alternating current-high voltage power supply network.
  • a method of producing certain pulse sequences comprising the steps of storing each of the order numbers in binary-codeddecimal notation at its corresponding first address, storing each of the pulse sequences which can be produced at its corresponding second address, producing a signal for retrieving the desired pulse sequence, utilizing such signal to initiate a counting operation for timing pulses, producing signals corresponding to actual values of the order numbers as a function of the state of the counting operation, continuously comparing the actual value signals with a set reference value signal corresponding to the order number of the pulse sequence which is to be retrieved, upon coincidence of an actual value signal with the set reference value signal forming a coincidence signal, utilizing the coincidence signal to interrupt the counting operation and to produce an additional signal, forming from said additional signal and an actual value signal of the counter result corresponding to the first address of the pulse sequence to be retrieved a second address, and employing the second address for
  • a method of generating predetermined pulse sequences comprising the steps of associating each pulse sequence which is to be generated with an order number at a first address, and associating the pulse sequence belonging to such order number with a second address, storing each of the order numbers at its corresponding first address, storing each of the pulse sequences which can be generated at its corresponding second address, producing a reference value signal corresponding to the order number of the pulse sequence desired to be retrieved, initiating a counting operation for timing pulses, producing as a result of the counting operation a sequence of address signals of a first type, obtaining from said address signals of the first type actual value signals corresponding to the order numbers of the stored pulse sequences, comparing the actual value signals with the reference value signal, upon coincidence of an actual value signal with the reference value signal producing a coincidence signal, utilizing the coincidence signal to interrupt the counting operation, producing from said coincidence signal an additional address signal, forming from said additional address signal and the address signal of the first type corresponding to the order number of the pulse sequence to be retrieved an address signal of the second
  • An apparatus for producing predetermined pulse sequences comprising a read only memory for the storage of a predetermined number of order numbers and for the storage of a predetermined number of pulse sequenccs, each of the order numbers being associated with a given pulse sequence which is desired to be retrieved, and wherein the order numbers can be retrieved by the infeed of addresses of a first type to the read only memory and the pulse sequences can be retrieved by the infeed of addresses of a second type to the read only memory, said read only memory having inputs and outputs, a comparator having actual value inputs and reference value inputs, said actual value inputs being in circuit with said outputs of the read only memory, input means for the input of order numbers to the reference value inputs of the comparator, said comparator including an output, a counter having outputs connected with at least some of said inputs of the read only memory, a clock generator for clock pulses in circuit with said counter, switching means in circuit with said counter and clock generator, a command element in circuit with said switching means, said switching means controlling the delivery
  • said switching means further includes a storage.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
US00288420A 1971-10-08 1972-09-12 Method and apparatus for forming certain pulse sequences Expired - Lifetime US3772659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1470771A CH543835A (de) 1971-10-08 1971-10-08 Verfahren und Vorrichtung zur Erzeugung bestimmter Impulsfolgen und Anwendung des Verfahrens

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US3772659A true US3772659A (en) 1973-11-13

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US (1) US3772659A (de)
JP (1) JPS4847259A (de)
AT (1) AT318058B (de)
AU (1) AU470446B2 (de)
BE (1) BE789457A (de)
CA (1) CA977069A (de)
CH (1) CH543835A (de)
DE (1) DE2226339A1 (de)
FR (1) FR2155311A5 (de)
GB (1) GB1381159A (de)
IT (1) IT963518B (de)
NL (1) NL7209951A (de)
SE (1) SE377746B (de)
ZA (1) ZA726565B (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912863A (en) * 1973-06-14 1975-10-14 Int Standard Electric Corp Telegraph transmission apparatus
US3913822A (en) * 1974-12-19 1975-10-21 Connelly Containers Inc Two component double thickness shipping containers
US4063310A (en) * 1973-07-25 1977-12-13 Pye Limited Sampler control system for chromatograph analytical apparatus
US4092524A (en) * 1975-05-13 1978-05-30 Societe Internationale Pour L'innovation Systems for storing and transferring data
US4146931A (en) * 1977-02-04 1979-03-27 International Standard Electric Corporation Digital filter
DE2755822A1 (de) 1977-10-06 1979-04-19 Bbc Brown Boveri & Cie Einrichtung zur prozessdatenverarbeitung
EP0026326A1 (de) * 1979-10-01 1981-04-08 International Business Machines Corporation Zeitintervallgeneratoren und Erzeugungsverfahren
US4292624A (en) * 1974-10-25 1981-09-29 Serp William K International Morse Code number generator
US4530108A (en) * 1981-07-16 1985-07-16 Itt Industries Inc. Counter for non-volatile storage
US5218692A (en) * 1989-07-04 1993-06-08 Kabushiki Kaisha Toshiba Digital pulse timing parameter measuring device
US5317724A (en) * 1992-04-01 1994-05-31 Helix Research & Development, Inc. Simplex sequence controller
US20040164707A1 (en) * 2003-02-21 2004-08-26 Dusan Veselic Circuit and method of operation for an adaptive charge rate power supply

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5099063A (de) * 1973-12-28 1975-08-06
JPS5155661A (de) * 1974-11-12 1976-05-15 Fujitsu Ltd
SE408985B (sv) * 1977-12-27 1979-07-16 Philips Svenska Ab Pulsgenerator
JPS5490916A (en) * 1977-12-27 1979-07-19 Fujitsu Ltd Periodical pulse forming system in exchanging system
FR2450006A1 (fr) * 1979-02-22 1980-09-19 Materiel Telephonique Dispositif generateur sequentiel de signaux numeriques conditionnel et programmable

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665426A (en) * 1970-10-07 1972-05-23 Singer Co Alterable read only memory organization

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665426A (en) * 1970-10-07 1972-05-23 Singer Co Alterable read only memory organization

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912863A (en) * 1973-06-14 1975-10-14 Int Standard Electric Corp Telegraph transmission apparatus
US4063310A (en) * 1973-07-25 1977-12-13 Pye Limited Sampler control system for chromatograph analytical apparatus
US4292624A (en) * 1974-10-25 1981-09-29 Serp William K International Morse Code number generator
US3913822A (en) * 1974-12-19 1975-10-21 Connelly Containers Inc Two component double thickness shipping containers
US4092524A (en) * 1975-05-13 1978-05-30 Societe Internationale Pour L'innovation Systems for storing and transferring data
US4146931A (en) * 1977-02-04 1979-03-27 International Standard Electric Corporation Digital filter
DE2759612C2 (de) * 1977-10-06 1988-11-17 Bbc Brown Boveri Ag, Baden, Aargau, Ch
DE2755822A1 (de) 1977-10-06 1979-04-19 Bbc Brown Boveri & Cie Einrichtung zur prozessdatenverarbeitung
EP0026326A1 (de) * 1979-10-01 1981-04-08 International Business Machines Corporation Zeitintervallgeneratoren und Erzeugungsverfahren
US4530108A (en) * 1981-07-16 1985-07-16 Itt Industries Inc. Counter for non-volatile storage
US5218692A (en) * 1989-07-04 1993-06-08 Kabushiki Kaisha Toshiba Digital pulse timing parameter measuring device
US5317724A (en) * 1992-04-01 1994-05-31 Helix Research & Development, Inc. Simplex sequence controller
US20040164707A1 (en) * 2003-02-21 2004-08-26 Dusan Veselic Circuit and method of operation for an adaptive charge rate power supply

Also Published As

Publication number Publication date
IT963518B (it) 1974-01-21
CA977069A (en) 1975-10-28
BE789457A (fr) 1973-01-15
AU4751472A (en) 1974-04-11
AT318058B (de) 1974-09-25
AU470446B2 (en) 1976-03-18
NL7209951A (de) 1973-04-10
JPS4847259A (de) 1973-07-05
ZA726565B (en) 1973-06-27
FR2155311A5 (de) 1973-05-18
CH543835A (de) 1973-10-31
SE377746B (de) 1975-07-21
DE2226339A1 (de) 1973-04-12
GB1381159A (en) 1975-01-22

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