FR1438751A - Pulse generators for driving stopwatches, preferably automatic calendars - Google Patents

Pulse generators for driving stopwatches, preferably automatic calendars

Info

Publication number
FR1438751A
FR1438751A FR21712A FR21712A FR1438751A FR 1438751 A FR1438751 A FR 1438751A FR 21712 A FR21712 A FR 21712A FR 21712 A FR21712 A FR 21712A FR 1438751 A FR1438751 A FR 1438751A
Authority
FR
France
Prior art keywords
stopwatches
calendars
driving
pulse generators
preferably automatic
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
FR21712A
Other languages
French (fr)
Inventor
Karl Wilhelm Schmidt
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.)
Gebrueder Schmidt Metallwarenfabrik
Original Assignee
Gebrueder Schmidt Metallwarenfabrik
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 Gebrueder Schmidt Metallwarenfabrik filed Critical Gebrueder Schmidt Metallwarenfabrik
Priority to FR21712A priority Critical patent/FR1438751A/en
Application granted granted Critical
Publication of FR1438751A publication Critical patent/FR1438751A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/10—Apparatus for producing preselected time intervals for use as timing standards using electric or electronic resonators
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs
    • G04C17/0058—Indicating the time optically by electric means by discs with date indication
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
    • G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
    • G04C3/065—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
    • G04C3/067—Driving circuits with distinct detecting and driving coils
    • 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
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • 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
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • 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
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/282—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
    • H03K3/2826—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistors of the complementary type
    • H03K3/2828—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistors of the complementary type in an asymmetrical circuit configuration
FR21712A 1964-07-25 1965-06-22 Pulse generators for driving stopwatches, preferably automatic calendars Expired FR1438751A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR21712A FR1438751A (en) 1964-07-25 1965-06-22 Pulse generators for driving stopwatches, preferably automatic calendars

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DESCH35527A DE1205141B (en) 1964-07-25 1964-07-25 Multivibrator with two complementary transistors
FR21712A FR1438751A (en) 1964-07-25 1965-06-22 Pulse generators for driving stopwatches, preferably automatic calendars

Publications (1)

Publication Number Publication Date
FR1438751A true FR1438751A (en) 1966-05-13

Family

ID=7433521

Family Applications (1)

Application Number Title Priority Date Filing Date
FR21712A Expired FR1438751A (en) 1964-07-25 1965-06-22 Pulse generators for driving stopwatches, preferably automatic calendars

Country Status (6)

Country Link
US (1) US3378693A (en)
CH (1) CH522911A (en)
DE (1) DE1205141B (en)
FR (1) FR1438751A (en)
GB (1) GB1114745A (en)
NL (1) NL6507732A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971389A (en) * 1975-06-26 1976-07-27 Research Company Pacemaker low current pulse generator

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1240763B (en) * 1965-12-15 1967-05-18 Bosch Gmbh Robert Flashing light, in particular transportable flashing warning light to indicate vehicles that have broken down due to inability to operate
US3423600A (en) * 1966-08-31 1969-01-21 Northern Electric Co Time relay and pulse generator circuit
US3466506A (en) * 1967-05-03 1969-09-09 Gen Time Corp Pulse generator for periodically energizing a timer solenoid
US3560769A (en) * 1967-05-09 1971-02-02 Tokai Rika Co Ltd Sequential flasher
DE1290962B (en) * 1967-05-30 1969-03-20 Telefunken Patent Astable square pulse generator, especially for a pacemaker
DE1279078C2 (en) * 1967-07-28 1973-02-08 Telefunken Patent Pulse generator with a transistor controlled by a time-determining element at its base
DE1766026B1 (en) * 1968-03-23 1972-03-09 Grundig Emv CIRCUIT ARRANGEMENT FOR SWITCH-ON DELAY OF THE OPERATING VOLTAGE OF A MESSAGE DEVICE
DE1762367C3 (en) * 1968-06-05 1978-03-02 Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm Pulse generator
US3588621A (en) * 1969-01-07 1971-06-28 Gen Time Corp Electronic pulse source for elapsed time indicator
US3689832A (en) * 1970-05-01 1972-09-05 Western Technical Products Inc Resistance tester for producing an audible tone that varies with the resistance
US3684895A (en) * 1971-02-19 1972-08-15 Andrew C Edelson Circuit for controlling the duration of an interval between sound signals
FR2220923A1 (en) * 1974-05-07 1974-10-04 Bicosa Recherches Time measurement clocks or watches - uses determined freq. periodic signal generator and D.C. supply source
DE2951976C2 (en) * 1979-12-22 1985-07-11 Walter Ing.(Grad.) 8728 Hassfurt Voll Electrical installation equipment
ZA978537B (en) * 1996-09-23 1998-05-12 Focal Inc Polymerizable biodegradable polymers including carbonate or dioxanone linkages.
CN103595261B (en) * 2013-10-31 2016-01-20 江苏绿扬电子仪器集团有限公司 Power supply duplex switched system
CN105634456A (en) * 2014-10-28 2016-06-01 江苏绿扬电子仪器集团有限公司 Multichannel Schmidt power supply switching system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735009A (en) * 1956-02-14 harry
US3306030A (en) * 1967-02-28 Electronic time registering device
GB690503A (en) * 1950-07-31 1953-04-22 British Telecomm Res Ltd Improvements in or relating to electrical timing circuits employing thermionic valves
US3074028A (en) * 1961-06-19 1963-01-15 Robert A Mammano Long-period relaxation oscillator
US3329907A (en) * 1964-11-06 1967-07-04 Ibm Multi-frequency relaxation oscillator and timing circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971389A (en) * 1975-06-26 1976-07-27 Research Company Pacemaker low current pulse generator

Also Published As

Publication number Publication date
GB1114745A (en) 1968-05-22
CH522911A (en) 1972-06-30
CH936965A4 (en) 1968-03-15
US3378693A (en) 1968-04-16
NL6507732A (en) 1966-01-26
DE1205141B (en) 1965-11-18

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