DE2000755C3 - - Google Patents

Info

Publication number
DE2000755C3
DE2000755C3 DE2000755A DE2000755A DE2000755C3 DE 2000755 C3 DE2000755 C3 DE 2000755C3 DE 2000755 A DE2000755 A DE 2000755A DE 2000755 A DE2000755 A DE 2000755A DE 2000755 C3 DE2000755 C3 DE 2000755C3
Authority
DE
Germany
Prior art keywords
frequency
sawtooth
oscillation
output
input
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
DE2000755A
Other languages
German (de)
English (en)
Other versions
DE2000755B2 (de
DE2000755A1 (de
Inventor
Yasuji Hamakita Shizuoka Uchiyama (Japan)
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki 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
Priority claimed from JP44002221A external-priority patent/JPS4840405B1/ja
Priority claimed from JP44006645A external-priority patent/JPS4911024B1/ja
Priority claimed from JP44006644A external-priority patent/JPS4925387B1/ja
Application filed by Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Publication of DE2000755A1 publication Critical patent/DE2000755A1/de
Publication of DE2000755B2 publication Critical patent/DE2000755B2/de
Application granted granted Critical
Publication of DE2000755C3 publication Critical patent/DE2000755C3/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G10H5/07—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 resulting in complex waveforms
    • 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
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
    • H03B19/14—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a semiconductor device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
    • H03K4/58—Boot-strap generators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K6/00—Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
DE19702000755 1969-01-11 1970-01-09 Elektronischer frequenzteiler mit saegezahnfoermig untersetzter ausgangsimpulsfolge Granted DE2000755B2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP44002221A JPS4840405B1 (instruction) 1969-01-11 1969-01-11
JP222069 1969-01-11
JP664269 1969-01-31
JP44006645A JPS4911024B1 (instruction) 1969-01-31 1969-01-31
JP664369 1969-01-31
JP44006644A JPS4925387B1 (instruction) 1969-01-31 1969-01-31
JP929169 1969-02-03

Publications (3)

Publication Number Publication Date
DE2000755A1 DE2000755A1 (de) 1970-07-23
DE2000755B2 DE2000755B2 (de) 1973-04-05
DE2000755C3 true DE2000755C3 (instruction) 1973-10-18

Family

ID=27563176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702000755 Granted DE2000755B2 (de) 1969-01-11 1970-01-09 Elektronischer frequenzteiler mit saegezahnfoermig untersetzter ausgangsimpulsfolge

Country Status (3)

Country Link
US (1) US3603809A (instruction)
DE (1) DE2000755B2 (instruction)
NL (1) NL150290B (instruction)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837254A (en) * 1973-04-30 1974-09-24 Conn C Ltd Organ pedal tone generator
US4056033A (en) * 1974-10-18 1977-11-01 Matsushita Electric Industrial Co., Ltd. Tone generator system for an electronic organ
JPS51132954A (en) * 1975-05-15 1976-11-18 Matsushita Electric Ind Co Ltd Waveform converter
US4074605A (en) * 1975-05-16 1978-02-21 Matsushita Electric Industrial Co., Ltd. Keyboard operated electronic musical instrument
US4177707A (en) * 1975-08-04 1979-12-11 Boucher Gary R Electronic music synthesizer
US4145943A (en) * 1976-06-15 1979-03-27 Norlin Music, Inc. Electronic musical instrument capable of generating a string chorus sound
JPS5466115A (en) * 1977-11-05 1979-05-28 Kawai Musical Instr Mfg Co Sound source circuit for electronic instrument
US4550263A (en) * 1978-10-30 1985-10-29 Phillips Petroleum Company Waveform generator
US5592128A (en) * 1995-03-30 1997-01-07 Micro Linear Corporation Oscillator for generating a varying amplitude feed forward PFC modulation ramp
US5747977A (en) * 1995-03-30 1998-05-05 Micro Linear Corporation Switching regulator having low power mode responsive to load power consumption
US5903138A (en) * 1995-03-30 1999-05-11 Micro Linear Corporation Two-stage switching regulator having low power modes responsive to load power consumption
US5825165A (en) * 1996-04-03 1998-10-20 Micro Linear Corporation Micropower switch controller for use in a hysteretic current-mode switching regulator
US5742151A (en) * 1996-06-20 1998-04-21 Micro Linear Corporation Input current shaping technique and low pin count for pfc-pwm boost converter
US5804950A (en) * 1996-06-20 1998-09-08 Micro Linear Corporation Input current modulation for power factor correction
US5798635A (en) * 1996-06-20 1998-08-25 Micro Linear Corporation One pin error amplifier and switched soft-start for an eight pin PFC-PWM combination integrated circuit converter controller
US5808455A (en) * 1996-11-13 1998-09-15 Micro Linear Corporation DC-to-DC converter having hysteretic current limiting
US5894243A (en) * 1996-12-11 1999-04-13 Micro Linear Corporation Three-pin buck and four-pin boost converter having open loop output voltage control
US5811999A (en) * 1996-12-11 1998-09-22 Micro Linear Corporation Power converter having switching frequency phase locked to system clock
US5818207A (en) * 1996-12-11 1998-10-06 Micro Linear Corporation Three-pin buck converter and four-pin power amplifier having closed loop output voltage control
US6075295A (en) * 1997-04-14 2000-06-13 Micro Linear Corporation Single inductor multiple output boost regulator
US6091233A (en) * 1999-01-14 2000-07-18 Micro Linear Corporation Interleaved zero current switching in a power factor correction boost converter
US6166455A (en) * 1999-01-14 2000-12-26 Micro Linear Corporation Load current sharing and cascaded power supply modules
US6344980B1 (en) 1999-01-14 2002-02-05 Fairchild Semiconductor Corporation Universal pulse width modulating power converter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583012A (en) * 1947-07-02 1952-01-22 Int Standard Electric Corp Class ab operation of horizontal sweep amplifier
US2848616A (en) * 1956-07-16 1958-08-19 Collins Radio Co Stepped frequency generating means
US3255363A (en) * 1963-07-05 1966-06-07 Servo Corp Of America Triangular to sawtooth wave form converter
US3443463A (en) * 1965-07-26 1969-05-13 Chicago Musical Instr Co Frequency doubler and coupler for electronic music generation systems
US3395363A (en) * 1966-10-28 1968-07-30 Air Force Usa Multi-function generator
US3532799A (en) * 1967-04-17 1970-10-06 Tokyo Shibaura Electric Co Electronic musical apparatus improved in a musical tone generating circuit
US3535431A (en) * 1968-04-19 1970-10-20 Electrohome Ltd Apparatus for creating a chorus or celeste effect with an electronic musical instrument

Also Published As

Publication number Publication date
US3603809A (en) 1971-09-07
NL150290B (nl) 1976-07-15
DE2000755B2 (de) 1973-04-05
NL7000267A (instruction) 1970-07-14
DE2000755A1 (de) 1970-07-23

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee