FR2433807A1 - Circuit de balayage d'adresse de memoire - Google Patents

Circuit de balayage d'adresse de memoire

Info

Publication number
FR2433807A1
FR2433807A1 FR7919597A FR7919597A FR2433807A1 FR 2433807 A1 FR2433807 A1 FR 2433807A1 FR 7919597 A FR7919597 A FR 7919597A FR 7919597 A FR7919597 A FR 7919597A FR 2433807 A1 FR2433807 A1 FR 2433807A1
Authority
FR
France
Prior art keywords
memory address
scanning circuit
address scanning
circuit
shifting
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.)
Granted
Application number
FR7919597A
Other languages
English (en)
Other versions
FR2433807B1 (fr
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2433807A1 publication Critical patent/FR2433807A1/fr
Application granted granted Critical
Publication of FR2433807B1 publication Critical patent/FR2433807B1/fr
Granted 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
    • H03J5/0272—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H03J5/0281—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Communication Control (AREA)
  • Pulse Circuits (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

a. Circuit de balayage d'adresse de mémoire. b. Circuit caractérisé en ce qu'il comporte un moyen de commande de balayage, distinct, relié au compteur d'adresse pour décaler l'état de comptage pas à pas.
FR7919597A 1978-07-29 1979-07-30 Circuit de balayage d'adresse de memoire Granted FR2433807A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9282078A JPS5522225A (en) 1978-07-29 1978-07-29 Memory scan device

Publications (2)

Publication Number Publication Date
FR2433807A1 true FR2433807A1 (fr) 1980-03-14
FR2433807B1 FR2433807B1 (fr) 1984-12-28

Family

ID=14065057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7919597A Granted FR2433807A1 (fr) 1978-07-29 1979-07-30 Circuit de balayage d'adresse de memoire

Country Status (6)

Country Link
JP (1) JPS5522225A (fr)
AU (1) AU532363B2 (fr)
DE (1) DE2930884A1 (fr)
FR (1) FR2433807A1 (fr)
GB (1) GB2027300B (fr)
NL (1) NL191134C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58114595U (ja) * 1982-01-27 1983-08-05 日本電気株式会社 集積回路記憶素子
JPH0184957U (fr) * 1987-11-27 1989-06-06

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1518712A (en) * 1975-08-28 1978-07-26 Sony Corp Channel selecting apparatus

Also Published As

Publication number Publication date
NL191134C (nl) 1995-02-01
AU4931679A (en) 1980-01-31
JPS6120952B2 (fr) 1986-05-24
DE2930884A1 (de) 1980-02-14
FR2433807B1 (fr) 1984-12-28
NL191134B (nl) 1994-09-01
GB2027300A (en) 1980-02-13
DE2930884C2 (fr) 1990-05-17
NL7905797A (nl) 1980-01-31
JPS5522225A (en) 1980-02-16
AU532363B2 (en) 1983-09-29
GB2027300B (en) 1982-11-10

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse
ST Notification of lapse