FR2294475A1 - Procede de lecture d'informations enregistrees et dispositif pour la mise en oeuvre dudit procede - Google Patents

Procede de lecture d'informations enregistrees et dispositif pour la mise en oeuvre dudit procede

Info

Publication number
FR2294475A1
FR2294475A1 FR7441248A FR7441248A FR2294475A1 FR 2294475 A1 FR2294475 A1 FR 2294475A1 FR 7441248 A FR7441248 A FR 7441248A FR 7441248 A FR7441248 A FR 7441248A FR 2294475 A1 FR2294475 A1 FR 2294475A1
Authority
FR
France
Prior art keywords
passive elements
switching system
variable voltage
reader
matrix
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
FR7441248A
Other languages
English (en)
French (fr)
Other versions
FR2294475B1 (de
Inventor
Paul Charles Guiochon
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.)
Philips Industrielle et Commerciale SA
Original Assignee
Philips Industrielle et Commerciale SA
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 Philips Industrielle et Commerciale SA filed Critical Philips Industrielle et Commerciale SA
Priority to FR7441248A priority Critical patent/FR2294475A1/fr
Publication of FR2294475A1 publication Critical patent/FR2294475A1/fr
Application granted granted Critical
Publication of FR2294475B1 publication Critical patent/FR2294475B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/07—Programme control other than numerical control, i.e. in sequence controllers or logic controllers where the programme is defined in the fixed connection of electrical elements, e.g. potentiometers, counters, transistors
    • G05B19/075—Programme control other than numerical control, i.e. in sequence controllers or logic controllers where the programme is defined in the fixed connection of electrical elements, e.g. potentiometers, counters, transistors for delivering a step function, a slope or a continuous function
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/10—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using selector switches
    • G05B19/102—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using selector switches for input of programme steps, i.e. setting up sequence
    • G05B19/104—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using selector switches for input of programme steps, i.e. setting up sequence characterised by physical layout of switches; switches co-operating with display; use of switches in a special way

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Read Only Memory (AREA)
FR7441248A 1974-12-13 1974-12-13 Procede de lecture d'informations enregistrees et dispositif pour la mise en oeuvre dudit procede Granted FR2294475A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7441248A FR2294475A1 (fr) 1974-12-13 1974-12-13 Procede de lecture d'informations enregistrees et dispositif pour la mise en oeuvre dudit procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7441248A FR2294475A1 (fr) 1974-12-13 1974-12-13 Procede de lecture d'informations enregistrees et dispositif pour la mise en oeuvre dudit procede

Publications (2)

Publication Number Publication Date
FR2294475A1 true FR2294475A1 (fr) 1976-07-09
FR2294475B1 FR2294475B1 (de) 1977-04-08

Family

ID=9146171

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7441248A Granted FR2294475A1 (fr) 1974-12-13 1974-12-13 Procede de lecture d'informations enregistrees et dispositif pour la mise en oeuvre dudit procede

Country Status (1)

Country Link
FR (1) FR2294475A1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1665583A1 (de) * 1966-03-26 1970-12-23 Siemens Ag Lichtsteueranlage fuer Fernsehstudios,Theaterbuehnen od.dgl.
DE2131021A1 (de) * 1971-06-23 1972-12-28 Siemens Ag Schaltungsanordnung fuer Sollwertsteller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1665583A1 (de) * 1966-03-26 1970-12-23 Siemens Ag Lichtsteueranlage fuer Fernsehstudios,Theaterbuehnen od.dgl.
DE2131021A1 (de) * 1971-06-23 1972-12-28 Siemens Ag Schaltungsanordnung fuer Sollwertsteller

Also Published As

Publication number Publication date
FR2294475B1 (de) 1977-04-08

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Legal Events

Date Code Title Description
ST Notification of lapse