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GB1569149A - Electronic control device - Google Patents

Electronic control device Download PDF

Info

Publication number
GB1569149A
GB1569149A GB44396/76A GB4439676A GB1569149A GB 1569149 A GB1569149 A GB 1569149A GB 44396/76 A GB44396/76 A GB 44396/76A GB 4439676 A GB4439676 A GB 4439676A GB 1569149 A GB1569149 A GB 1569149A
Authority
GB
United Kingdom
Prior art keywords
ohm
signal
resistors
key
converter
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
GB44396/76A
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.)
Indesit Industria Elettrodomestici Italiana SpA
Original Assignee
Indesit Industria Elettrodomestici Italiana SpA
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 Indesit Industria Elettrodomestici Italiana SpA filed Critical Indesit Industria Elettrodomestici Italiana SpA
Publication of GB1569149A publication Critical patent/GB1569149A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0209—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of non preset values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/22—Static coding
    • H03M11/24—Static coding using analogue means, e.g. by coding the states of multiple switches into a single multi-level analogue signal or by indicating the type of a device using the voltage level at a specific tap of a resistive divider
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
    • H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Television Systems (AREA)
  • Input From Keyboards Or The Like (AREA)
GB44396/76A 1975-11-11 1976-10-26 Electronic control device Expired GB1569149A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69772/75A IT1055670B (it) 1975-11-11 1975-11-11 Dispositivo elettronico di comando

Publications (1)

Publication Number Publication Date
GB1569149A true GB1569149A (en) 1980-06-11

Family

ID=11312802

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44396/76A Expired GB1569149A (en) 1975-11-11 1976-10-26 Electronic control device

Country Status (4)

Country Link
DE (1) DE2651029A1 (fr)
FR (1) FR2331923A1 (fr)
GB (1) GB1569149A (fr)
IT (1) IT1055670B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127598A (en) * 1982-09-16 1984-04-11 Daniel Lemuel Phillips Keyboard attachment
GB2291762A (en) * 1994-07-26 1996-01-31 Nokia Mobile Phones Ltd Telephone keypads
CN115014180A (zh) * 2022-05-05 2022-09-06 厦门大学 一种触摸定位传感器制作方法及触摸定位传感器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419623A1 (fr) * 1978-03-10 1979-10-05 Telediffusion Fse Systeme de transmission numerique et d'affichage de textes et de graphismes sur un ecran de television
EP0136630A3 (fr) * 1983-10-03 1986-10-08 Siemens Aktiengesellschaft Clavier alphanumérique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2356858C2 (de) * 1973-11-14 1980-09-25 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltung zum Programmieren digitaler Speicher mit Analogausgang in Fernseh- oder Rundfunkempfängern

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127598A (en) * 1982-09-16 1984-04-11 Daniel Lemuel Phillips Keyboard attachment
GB2291762A (en) * 1994-07-26 1996-01-31 Nokia Mobile Phones Ltd Telephone keypads
GB2291762B (en) * 1994-07-26 1999-04-07 Nokia Mobile Phones Ltd Mobile telephone
US5983116A (en) * 1994-07-26 1999-11-09 Nokia Mobile Phones Limited Radio telephone having analog key signal output for power conservation
CN115014180A (zh) * 2022-05-05 2022-09-06 厦门大学 一种触摸定位传感器制作方法及触摸定位传感器

Also Published As

Publication number Publication date
DE2651029A1 (de) 1977-05-12
IT1055670B (it) 1982-01-11
FR2331923A1 (fr) 1977-06-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee