HK45476A - Improvements relating to incrementally adjustable capacitor unit for tuning a crystal-controlled oscillator - Google Patents

Improvements relating to incrementally adjustable capacitor unit for tuning a crystal-controlled oscillator

Info

Publication number
HK45476A
HK45476A HK454/76*UA HK45476A HK45476A HK 45476 A HK45476 A HK 45476A HK 45476 A HK45476 A HK 45476A HK 45476 A HK45476 A HK 45476A
Authority
HK
Hong Kong
Prior art keywords
tuning
crystal
controlled oscillator
capacitor unit
improvements relating
Prior art date
Application number
HK454/76*UA
Other languages
English (en)
Original Assignee
Bulova Watch Co Inc
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 Bulova Watch Co Inc filed Critical Bulova Watch Co Inc
Publication of HK45476A publication Critical patent/HK45476A/xx

Links

Classifications

    • 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
    • H03K3/283—Stabilisation of output, e.g. using crystal
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
    • G04F5/063—Constructional details
    • G04F5/066—Trimmer condensators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/01—Varying the frequency of the oscillations by manual means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/10—Tuning of a resonator by means of digitally controlled capacitor bank

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electric Clocks (AREA)
HK454/76*UA 1971-11-03 1976-07-15 Improvements relating to incrementally adjustable capacitor unit for tuning a crystal-controlled oscillator HK45476A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19534871A 1971-11-03 1971-11-03

Publications (1)

Publication Number Publication Date
HK45476A true HK45476A (en) 1976-07-23

Family

ID=22721080

Family Applications (1)

Application Number Title Priority Date Filing Date
HK454/76*UA HK45476A (en) 1971-11-03 1976-07-15 Improvements relating to incrementally adjustable capacitor unit for tuning a crystal-controlled oscillator

Country Status (11)

Country Link
US (1) US3754152A (nl)
JP (1) JPS4862363A (nl)
CA (1) CA971640A (nl)
CH (2) CH563615A (nl)
DE (1) DE2253425C3 (nl)
ES (1) ES408248A1 (nl)
FR (1) FR2158497B1 (nl)
GB (1) GB1405644A (nl)
HK (1) HK45476A (nl)
IT (1) IT970601B (nl)
NL (1) NL149939B (nl)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766616A (en) * 1972-03-22 1973-10-23 Statek Corp Microresonator packaging and tuning
GB1400101A (en) * 1972-04-06 1975-07-16 Suwa Seikosha Kk Electronic oscillator circuit for a timepiece
US3838566A (en) * 1973-06-13 1974-10-01 Time Computer Solid state watch having coarse and fine tuning
JPS5120747U (nl) * 1974-07-31 1976-02-16
JPS5237437U (nl) * 1975-09-08 1977-03-16
GB1586064A (en) * 1976-09-18 1981-03-18 Oxley R F Trimmer capacitors
GB8329328D0 (en) * 1983-11-03 1983-12-07 Sarasota Automation Loop oscillators
DE3437492A1 (de) * 1984-10-12 1986-04-17 Kieninger & Obergfell, Fabrik für technische Laufwerke und Apparate GmbH & Co, 7742 St Georgen Elektrisches uhrwerk mit einem elektronischen oszillator
US4644306A (en) * 1985-07-15 1987-02-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Programmable electronic synthesized capacitance
JP2869998B2 (ja) * 1989-03-03 1999-03-10 セイコーエプソン株式会社 圧電発振器
US5548821A (en) * 1992-06-09 1996-08-20 Coveley; Michael Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication system
US6193032B1 (en) * 1998-03-02 2001-02-27 The Penn State Research Foundation Piezoceramic vibration control device and tuning control thereof
US6559730B1 (en) * 2000-07-05 2003-05-06 Cts Corporation Electronic switch with static control voltage for dynamically switching capacitance in a frequency-adjustable crystal oscillator
DE10319157A1 (de) * 2003-04-29 2004-11-25 Infineon Technologies Ag Integrierte Schaltung mit einer Spannungsüberwachungsschaltung sowie ein Verfahren zum Überwachen einer bereitgestellten internen Burn-In-Spannung
US7180212B2 (en) * 2004-07-02 2007-02-20 Visteon Global Technologies, Inc. Electric machine with integrated electronics in a circular/closed-loop arrangement
US7365959B1 (en) 2004-08-12 2008-04-29 Charles Barry Ward Multi value capacitor
US7689190B2 (en) * 2004-09-30 2010-03-30 St-Ericsson Sa Controlling the frequency of an oscillator
US7536164B2 (en) * 2004-09-30 2009-05-19 Silicon Laboratories Inc. Controlling the frequency of an oscillator
DE102005022097A1 (de) * 2005-05-12 2006-11-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Schwingungstilgung einer mechanischen Struktur
US20070004362A1 (en) * 2005-06-30 2007-01-04 Lawrence Der Methods and apparatus to generate small frequency changes
JP5145988B2 (ja) * 2007-02-27 2013-02-20 セイコーエプソン株式会社 発振回路、発振器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT591162A (nl) * 1953-06-19
US2960691A (en) * 1957-06-10 1960-11-15 Bell Telephone Labor Inc Pulse signaling circuit
US3100886A (en) * 1959-04-27 1963-08-13 Admiral Corp Compressional wave transmitter
US3235817A (en) * 1962-12-28 1966-02-15 Westinghouse Air Brake Co Electrical circuit capable of selectively and simultaneously oscillating at a plurality of different frequencies with no intermodulation occurring between the oscillating frequencies
US3212252A (en) * 1963-06-04 1965-10-19 Citizen Watch Co Ltd Vibratory motor and controlled circuit for a small timepiece
US3273033A (en) * 1963-08-29 1966-09-13 Litton Systems Inc Multidielectric thin film capacitors
US3282042A (en) * 1964-09-10 1966-11-01 Bulova Watch Co Inc Crystal controlled chronometer
US3447051A (en) * 1965-01-13 1969-05-27 Union Special Machine Co Control circuit for electro-mechanical devices
US3379943A (en) * 1966-01-17 1968-04-23 American Lava Corp Multilayered electrical capacitor
US3400312A (en) * 1966-09-06 1968-09-03 Sprague Electric Co Stacked mica capacitor having a multiple value mica film
JPS452409Y1 (nl) * 1967-10-31 1970-01-31
US3540209A (en) * 1968-07-31 1970-11-17 Timex Corp Horological time display
GB1242488A (en) * 1968-10-02 1971-08-11 Suwa Seikosha Kk Improvements relating to miniature variable condensers
US3586933A (en) * 1970-01-15 1971-06-22 Gulton Ind Inc Trimmable monolithic capacitor and method of making the same

Also Published As

Publication number Publication date
CH1601572A4 (nl) 1974-12-31
FR2158497A1 (nl) 1973-06-15
US3754152A (en) 1973-08-21
IT970601B (it) 1974-04-20
ES408248A1 (es) 1976-02-16
JPS4862363A (nl) 1973-08-31
DE2253425C3 (de) 1981-07-09
NL7214629A (nl) 1973-05-07
CA971640A (en) 1975-07-22
NL149939B (nl) 1976-06-15
GB1405644A (en) 1975-09-10
DE2253425A1 (de) 1973-05-17
CH563615A (nl) 1975-06-30
DE2253425B2 (de) 1980-10-23
FR2158497B1 (nl) 1976-04-23

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