DE3121708C2 - Frequenzgeneratorschaltung - Google Patents

Frequenzgeneratorschaltung

Info

Publication number
DE3121708C2
DE3121708C2 DE3121708A DE3121708A DE3121708C2 DE 3121708 C2 DE3121708 C2 DE 3121708C2 DE 3121708 A DE3121708 A DE 3121708A DE 3121708 A DE3121708 A DE 3121708A DE 3121708 C2 DE3121708 C2 DE 3121708C2
Authority
DE
Germany
Prior art keywords
circuit
signal
flip
frequency
flop
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
DE3121708A
Other languages
German (de)
English (en)
Other versions
DE3121708A1 (de
Inventor
Kazuyasu Kodaira Tokyo Suzuki
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of DE3121708A1 publication Critical patent/DE3121708A1/de
Application granted granted Critical
Publication of DE3121708C2 publication Critical patent/DE3121708C2/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
    • H03K5/131—Digitally controlled
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H5/00—Instruments in which the tones are generated by means of electronic generators
    • G10H5/02—Instruments in which the tones are generated by means of electronic generators using generation of basic tones
    • G10H5/06—Instruments in which the tones are generated by means of electronic generators using generation of basic tones tones generated by frequency multiplication or division of a basic tone
    • 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
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/64—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors having inductive loads
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • 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
    • H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromechanical Clocks (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
DE3121708A 1980-06-03 1981-06-01 Frequenzgeneratorschaltung Expired DE3121708C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980076275U JPS6344872Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-06-03 1980-06-03

Publications (2)

Publication Number Publication Date
DE3121708A1 DE3121708A1 (de) 1982-03-11
DE3121708C2 true DE3121708C2 (de) 1983-09-08

Family

ID=13600702

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3121708A Expired DE3121708C2 (de) 1980-06-03 1981-06-01 Frequenzgeneratorschaltung

Country Status (4)

Country Link
US (1) US4396909A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6344872Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3121708C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2077969B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3170322D1 (en) * 1980-11-18 1985-06-05 Siemens Ag Tone generator
JPS57119397A (en) * 1981-01-16 1982-07-24 Canon Kk Sound pressure selector for sound emitting body
US4742441A (en) * 1986-11-21 1988-05-03 Heart Interface Corporation High frequency switching power converter
JPH01144819A (ja) * 1987-12-01 1989-06-07 Fuji Xerox Co Ltd 一致回路
JPH0292012A (ja) * 1988-09-29 1990-03-30 Toshiba Corp パルス発生回路
US5150415A (en) * 1989-05-01 1992-09-22 Motorola, Inc. Volume control circuit using pulse modulation
JPH0741359Y2 (ja) * 1989-06-12 1995-09-27 日高産業株式会社 携帯用灰皿
JP2511133Y2 (ja) * 1989-07-12 1996-09-18 三共理研株式会社 携帯用灰皿
US5436628A (en) * 1993-09-13 1995-07-25 Intel Corporation Programmable frequency timing generator with phase adjust
KR960009965B1 (ko) * 1994-04-14 1996-07-25 금성일렉트론 주식회사 주파수 배수 회로
JP5366846B2 (ja) * 2010-01-29 2013-12-11 能美防災株式会社 音響警報装置及びこれを備えた火災報知設備
JP5489754B2 (ja) * 2010-01-29 2014-05-14 能美防災株式会社 音響警報装置及びこれを備えた火災報知設備

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258696A (en) * 1962-10-01 1966-06-28 Multiple bistable element shift register
CH540520A (fr) 1971-04-22 1973-02-15 Ebauches Sa Mouvement d'horlogerie électronique
CH571290A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-06-20 1975-12-31 Hoffmann La Roche
US3995268A (en) * 1974-10-24 1976-11-30 Stewart-Warner Corporation Vehicle alarm
US4001716A (en) * 1976-02-17 1977-01-04 Rockwell International Corporation Variable frequency digital oscillator
JPS6025929B2 (ja) * 1978-01-25 1985-06-21 ソニー株式会社 Ｐｗｍ変調回路
DE2813156C3 (de) 1978-03-25 1987-10-22 Diehl GmbH & Co, 8500 Nürnberg Schaltungsanordnung zur Erzeugung wählbarer Tastverhältnisse
US4242636A (en) * 1978-10-24 1980-12-30 Bell Telephone Laboratories, Incorporated Digital operate/release timer
US4296380A (en) * 1979-05-21 1981-10-20 Matsushita Electric Industrial Co. Programmable digital frequency divider for synthesizing signals at desired frequency

Also Published As

Publication number Publication date
GB2077969B (en) 1984-09-26
JPS6344872Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-11-21
GB2077969A (en) 1981-12-23
US4396909A (en) 1983-08-02
DE3121708A1 (de) 1982-03-11
JPS57798U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-01-05

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee