GB1416220A - Waveform producing device - Google Patents

Waveform producing device

Info

Publication number
GB1416220A
GB1416220A GB4982773A GB4982773A GB1416220A GB 1416220 A GB1416220 A GB 1416220A GB 4982773 A GB4982773 A GB 4982773A GB 4982773 A GB4982773 A GB 4982773A GB 1416220 A GB1416220 A GB 1416220A
Authority
GB
United Kingdom
Prior art keywords
transistors
taps
produced
potentiometer
column
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
GB4982773A
Other languages
English (en)
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 JP10694772A external-priority patent/JPS528179B2/ja
Priority claimed from JP47106946A external-priority patent/JPS528178B2/ja
Priority claimed from JP10694572A external-priority patent/JPS528177B2/ja
Priority claimed from JP10694872A external-priority patent/JPS528180B2/ja
Application filed by Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Publication of GB1416220A publication Critical patent/GB1416220A/en
Expired 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
    • G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
    • G10H7/02—Instruments in which the tones are synthesised from a data store, e.g. computer organs in which amplitudes at successive sample points of a tone waveform are stored in one or more memories
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/201—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of only components covered by H10D1/00 or H10D8/00, e.g. RLC circuits
    • H10D84/204—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of only components covered by H10D1/00 or H10D8/00, e.g. RLC circuits of combinations of diodes or capacitors or resistors
    • H10D84/209—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of only components covered by H10D1/00 or H10D8/00, e.g. RLC circuits of combinations of diodes or capacitors or resistors of only resistors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
    • H10D84/811—Combinations of field-effect devices and one or more diodes, capacitors or resistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Analogue/Digital Conversion (AREA)
GB4982773A 1972-10-25 1973-10-25 Waveform producing device Expired GB1416220A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP10694772A JPS528179B2 (enrdf_load_stackoverflow) 1972-10-25 1972-10-25
JP47106946A JPS528178B2 (enrdf_load_stackoverflow) 1972-10-25 1972-10-25
JP10694572A JPS528177B2 (enrdf_load_stackoverflow) 1972-10-25 1972-10-25
JP10694872A JPS528180B2 (enrdf_load_stackoverflow) 1972-10-25 1972-10-25

Publications (1)

Publication Number Publication Date
GB1416220A true GB1416220A (en) 1975-12-03

Family

ID=27469492

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4982773A Expired GB1416220A (en) 1972-10-25 1973-10-25 Waveform producing device

Country Status (4)

Country Link
US (1) US3890602A (enrdf_load_stackoverflow)
DE (2) DE7338355U (enrdf_load_stackoverflow)
GB (1) GB1416220A (enrdf_load_stackoverflow)
NL (1) NL167532C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181878A (en) 1977-05-04 1980-01-01 Sgs-Ates Component Elettronici S.P.A. Integrated-circuit chip with voltage divider
FR2429475A1 (fr) * 1978-06-19 1980-01-18 Siemens Ag Appareil a semi-conducteurs pour la reproduction de signaux acoustiques
US5268651A (en) * 1991-09-23 1993-12-07 Crystal Semiconductor Corporation Low drift resistor structure

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228851A (en) * 1975-08-29 1977-03-04 Nat Semiconductor Corp Converter circuit
US4048626A (en) * 1975-12-29 1977-09-13 Honeywell Information Systems Inc. Memory device
US4160244A (en) * 1976-02-25 1979-07-03 National Semiconductor Corporation Conversion circuit
US4219797A (en) * 1979-03-19 1980-08-26 National Semiconductor Corporation Integrated circuit resistance ladder having curvilinear connecting segments
US4409877A (en) * 1979-06-11 1983-10-18 Cbs, Inc. Electronic tone generating system
US4668932A (en) * 1985-07-26 1987-05-26 Xicor, Inc. Nonvolatile reprogrammable electronic potentiometer
JP3654083B2 (ja) * 1999-09-27 2005-06-02 ヤマハ株式会社 波形生成方法及び装置
US6331768B1 (en) 2000-06-13 2001-12-18 Xicor, Inc. High-resolution, high-precision solid-state potentiometer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721964A (en) * 1970-02-18 1973-03-20 Hewlett Packard Co Integrated circuit read only memory bit organized in coincident select structure
US3735367A (en) * 1970-04-29 1973-05-22 Currier Smith Corp Electronic resistance memory

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181878A (en) 1977-05-04 1980-01-01 Sgs-Ates Component Elettronici S.P.A. Integrated-circuit chip with voltage divider
FR2429475A1 (fr) * 1978-06-19 1980-01-18 Siemens Ag Appareil a semi-conducteurs pour la reproduction de signaux acoustiques
US5268651A (en) * 1991-09-23 1993-12-07 Crystal Semiconductor Corporation Low drift resistor structure

Also Published As

Publication number Publication date
NL167532B (nl) 1981-07-16
DE7338355U (de) 1978-10-26
US3890602A (en) 1975-06-17
NL167532C (nl) 1981-12-16
NL7314597A (enrdf_load_stackoverflow) 1974-04-29
DE2353502A1 (de) 1974-05-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee